diff --git a/Makefile b/Makefile --- a/Makefile +++ b/Makefile @@ -9,7 +9,7 @@ TOP:=$(shell readlink -f "../..") DISCOVERY:=Utilities/STM32L100C-Discovery STMLIB:=libraries OLEDDRV:=oleddrv -USBDRV:=/STM32_USB-FS-Device_Driver/inc +USBDRV:=libraries/USB STD_PERIPH:=$(STMLIB)/STM32L1xx_StdPeriph_Driver STARTUP:=$(STMLIB)/CMSIS/Device/ST/STM32L1xx/Source/Templates/gcc_ride7 LINKER_SCRIPT:=$(CURDIR)/stm32-flash.ld diff --git a/hw_config.c b/hw_config.c --- a/hw_config.c +++ b/hw_config.c @@ -1,400 +1,379 @@ -/** - ****************************************************************************** - * @file hw_config.c - * @author MCD Application Team - * @version V4.0.0 - * @date 21-January-2013 - * @brief Hardware Configuration & Setup - ****************************************************************************** - * @attention - * - *

© COPYRIGHT 2013 STMicroelectronics

- * - * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); - * You may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.st.com/software_license_agreement_liberty_v2 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ - -#include "stm32_it.h" -#include "usb_lib.h" -#include "usb_prop.h" -#include "usb_desc.h" -#include "hw_config.h" -#include "usb_pwr.h" - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -ErrorStatus HSEStartUpStatus; -EXTI_InitTypeDef EXTI_InitStructure; -uint32_t packet_sent; -extern __IO uint8_t Send_Buffer[VIRTUAL_COM_PORT_DATA_SIZE] ; -uint32_t packet_receive; -extern __IO uint8_t Receive_length; - -void set_packet_sent() { - packet_sent = 1; -} -uint32_t get_packet_sent() { - return packet_sent; -} -void clear_packet_sent() { - packet_sent = 0; -} -void set_packet_receive() { - packet_receive = 1; -} -uint32_t get_packet_receive() { - return packet_receive; -} -void clear_packet_receive() { - packet_receive = 0; -} - - -uint8_t Receive_Buffer[64]; -uint32_t Send_length; -static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len); -/* Extern variables ----------------------------------------------------------*/ - -extern LINE_CODING linecoding; - -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ -/******************************************************************************* -* Function Name : Set_System -* Description : Configures Main system clocks & power -* Input : None. -* Return : None. -*******************************************************************************/ -void Set_System(void) -{ -#if !defined(STM32L1XX_MD) && !defined(STM32L1XX_HD) && !defined(STM32L1XX_MD_PLUS) - GPIO_InitTypeDef GPIO_InitStructure; -#endif /* STM32L1XX_MD && STM32L1XX_XD */ - -#if defined(USB_USE_EXTERNAL_PULLUP) - GPIO_InitTypeDef GPIO_InitStructure; -#endif /* USB_USE_EXTERNAL_PULLUP */ - - /*!< At this stage the microcontroller clock setting is already configured, - this is done through SystemInit() function which is called from startup - file (startup_stm32f10x_xx.s) before to branch to application main. - To reconfigure the default setting of SystemInit() function, refer to - system_stm32f10x.c file - */ -#if defined(STM32L1XX_MD) || defined(STM32L1XX_HD)|| defined(STM32L1XX_MD_PLUS) || defined(STM32F37X) || defined(STM32F30X) - /* Enable the SYSCFG module clock */ - RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE); -#endif /* STM32L1XX_XD */ - -#if !defined(STM32L1XX_MD) && !defined(STM32L1XX_HD) && !defined(STM32L1XX_MD_PLUS) && !defined(STM32F37X) && !defined(STM32F30X) - /* Enable USB_DISCONNECT GPIO clock */ - RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_DISCONNECT, ENABLE); - - /* Configure USB pull-up pin */ - GPIO_InitStructure.GPIO_Pin = USB_DISCONNECT_PIN; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD; - GPIO_Init(USB_DISCONNECT, &GPIO_InitStructure); -#endif /* STM32L1XX_MD && STM32L1XX_XD */ - -#if defined(USB_USE_EXTERNAL_PULLUP) - /* Enable the USB disconnect GPIO clock */ - RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIO_DISCONNECT, ENABLE); - - /* USB_DISCONNECT used as USB pull-up */ - GPIO_InitStructure.GPIO_Pin = USB_DISCONNECT_PIN; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; - GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; - GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; - GPIO_Init(USB_DISCONNECT, &GPIO_InitStructure); -#endif /* USB_USE_EXTERNAL_PULLUP */ - -#if defined(STM32F37X) || defined(STM32F30X) - - /* Enable the USB disconnect GPIO clock */ - RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIO_DISCONNECT, ENABLE); - - /*Set PA11,12 as IN - USB_DM,DP*/ - RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE); - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; - GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; - GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; - GPIO_Init(GPIOA, &GPIO_InitStructure); - - /*SET PA11,12 for USB: USB_DM,DP*/ - GPIO_PinAFConfig(GPIOA, GPIO_PinSource11, GPIO_AF_14); - GPIO_PinAFConfig(GPIOA, GPIO_PinSource12, GPIO_AF_14); - - /* USB_DISCONNECT used as USB pull-up */ - GPIO_InitStructure.GPIO_Pin = USB_DISCONNECT_PIN; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; - GPIO_InitStructure.GPIO_OType = GPIO_OType_OD; - GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; - GPIO_Init(USB_DISCONNECT, &GPIO_InitStructure); -#endif /* STM32F37X && STM32F30X)*/ - - /* Configure the EXTI line 18 connected internally to the USB IP */ - EXTI_ClearITPendingBit(EXTI_Line18); - EXTI_InitStructure.EXTI_Line = EXTI_Line18; - EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; - EXTI_InitStructure.EXTI_LineCmd = ENABLE; - EXTI_Init(&EXTI_InitStructure); -} - -/******************************************************************************* -* Function Name : Set_USBClock -* Description : Configures USB Clock input (48MHz) -* Input : None. -* Return : None. -*******************************************************************************/ -void Set_USBClock(void) -{ -#if defined(STM32L1XX_MD) || defined(STM32L1XX_HD) || defined(STM32L1XX_MD_PLUS) - /* Enable USB clock */ - RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE); - -#else - /* Select USBCLK source */ - RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_1Div5); - - /* Enable the USB clock */ - RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE); -#endif /* STM32L1XX_MD */ -} - -/******************************************************************************* -* Function Name : Enter_LowPowerMode -* Description : Power-off system clocks and power while entering suspend mode -* Input : None. -* Return : None. -*******************************************************************************/ -void Enter_LowPowerMode(void) -{ - /* Set the device state to suspend */ - bDeviceState = SUSPENDED; -} - -/******************************************************************************* -* Function Name : Leave_LowPowerMode -* Description : Restores system clocks and power while exiting suspend mode -* Input : None. -* Return : None. -*******************************************************************************/ -void Leave_LowPowerMode(void) -{ - DEVICE_INFO *pInfo = &Device_Info; - - /* Set the device state to the correct state */ - if (pInfo->Current_Configuration != 0) - { - /* Device configured */ - bDeviceState = CONFIGURED; - } - else - { - bDeviceState = ATTACHED; - } - /*Enable SystemCoreClock*/ - SystemInit(); -} - -/******************************************************************************* -* Function Name : USB_Interrupts_Config -* Description : Configures the USB interrupts -* Input : None. -* Return : None. -*******************************************************************************/ -void USB_Interrupts_Config(void) -{ -NVIC_InitTypeDef NVIC_InitStructure; - - /* 2 bit for pre-emption priority, 2 bits for subpriority */ - NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); - -#if defined(STM32L1XX_MD)|| defined(STM32L1XX_HD) || defined(STM32L1XX_MD_PLUS) - /* Enable the USB interrupt */ - NVIC_InitStructure.NVIC_IRQChannel = USB_LP_IRQn; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; - NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; - NVIC_Init(&NVIC_InitStructure); - - /* Enable the USB Wake-up interrupt */ - NVIC_InitStructure.NVIC_IRQChannel = USB_FS_WKUP_IRQn; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; - NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; - NVIC_Init(&NVIC_InitStructure); - -#elif defined(STM32F37X) - /* Enable the USB interrupt */ - NVIC_InitStructure.NVIC_IRQChannel = USB_LP_IRQn; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; - NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; - NVIC_Init(&NVIC_InitStructure); - - /* Enable the USB Wake-up interrupt */ - NVIC_InitStructure.NVIC_IRQChannel = USBWakeUp_IRQn; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; - NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; - NVIC_Init(&NVIC_InitStructure); - -#else - /* Enable the USB interrupt */ - NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; - NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; - NVIC_Init(&NVIC_InitStructure); - - /* Enable the USB Wake-up interrupt */ - NVIC_InitStructure.NVIC_IRQChannel = USBWakeUp_IRQn; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; - NVIC_Init(&NVIC_InitStructure); -#endif -} - -/******************************************************************************* -* Function Name : USB_Cable_Config -* Description : Software Connection/Disconnection of USB Cable -* Input : None. -* Return : Status -*******************************************************************************/ -void USB_Cable_Config (FunctionalState NewState) -{ -#if defined(STM32L1XX_MD) || defined (STM32L1XX_HD)|| (STM32L1XX_MD_PLUS) - if (NewState != DISABLE) - { - STM32L15_USB_CONNECT; - } - else - { - STM32L15_USB_DISCONNECT; - } - -#else /* USE_STM3210B_EVAL or USE_STM3210E_EVAL */ - if (NewState != DISABLE) - { - GPIO_ResetBits(USB_DISCONNECT, USB_DISCONNECT_PIN); - } - else - { - GPIO_SetBits(USB_DISCONNECT, USB_DISCONNECT_PIN); - } -#endif /* STM32L1XX_MD */ -} - -/******************************************************************************* -* Function Name : Get_SerialNum. -* Description : Create the serial number string descriptor. -* Input : None. -* Output : None. -* Return : None. -*******************************************************************************/ -void Get_SerialNum(void) -{ - uint32_t Device_Serial0, Device_Serial1, Device_Serial2; - - Device_Serial0 = *(uint32_t*)ID1; - Device_Serial1 = *(uint32_t*)ID2; - Device_Serial2 = *(uint32_t*)ID3; - - Device_Serial0 += Device_Serial2; - - if (Device_Serial0 != 0) - { - IntToUnicode (Device_Serial0, &Virtual_Com_Port_StringSerial[2] , 8); - IntToUnicode (Device_Serial1, &Virtual_Com_Port_StringSerial[18], 4); - } -} - -/******************************************************************************* -* Function Name : HexToChar. -* Description : Convert Hex 32Bits value into char. -* Input : None. -* Output : None. -* Return : None. -*******************************************************************************/ -static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len) -{ - uint8_t idx = 0; - - for( idx = 0 ; idx < len ; idx ++) - { - if( ((value >> 28)) < 0xA ) - { - pbuf[ 2* idx] = (value >> 28) + '0'; - } - else - { - pbuf[2* idx] = (value >> 28) + 'A' - 10; - } - - value = value << 4; - - pbuf[ 2* idx + 1] = 0; - } -} - -/******************************************************************************* -* Function Name : Send DATA . -* Description : send the data received from the STM32 to the PC through USB -* Input : None. -* Output : None. -* Return : None. -*******************************************************************************/ -uint32_t CDC_Send_DATA (uint8_t *ptrBuffer, uint8_t Send_length) -{ - /*if max buffer is Not reached*/ - if(Send_length < VIRTUAL_COM_PORT_DATA_SIZE) - { - /*Sent flag*/ - clear_packet_sent(); - /* send packet to PMA*/ - UserToPMABufferCopy((unsigned char*)ptrBuffer, ENDP1_TXADDR, Send_length); - SetEPTxCount(ENDP1, Send_length); - SetEPTxValid(ENDP1); - } - else - { - return 0; - } - return 1; -} - -/******************************************************************************* -* Function Name : Receive DATA . -* Description : receive the data from the PC to STM32 and send it through USB -* Input : None. -* Output : None. -* Return : None. -*******************************************************************************/ -uint32_t CDC_Receive_DATA(void) -{ - /*Receive flag*/ - clear_packet_receive(); - SetEPRxValid(ENDP3); - return 1 ; -} - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ - +/** + ****************************************************************************** + * @file hw_config.c + * @author MCD Application Team + * @version V4.0.0 + * @date 21-January-2013 + * @brief Hardware Configuration & Setup + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ + +#include "stm32_it.h" +#include "usb_lib.h" +#include "usb_prop.h" +#include "usb_desc.h" +#include "hw_config.h" +#include "usb_pwr.h" + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +ErrorStatus HSEStartUpStatus; +EXTI_InitTypeDef EXTI_InitStructure; +extern __IO uint32_t packet_sent; +extern __IO uint8_t Send_Buffer[VIRTUAL_COM_PORT_DATA_SIZE] ; +extern __IO uint32_t packet_receive; +extern __IO uint8_t Receive_length; + +uint8_t Receive_Buffer[64]; +uint32_t Send_length; +static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len); +/* Extern variables ----------------------------------------------------------*/ + +extern LINE_CODING linecoding; + +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ +/******************************************************************************* +* Function Name : Set_System +* Description : Configures Main system clocks & power +* Input : None. +* Return : None. +*******************************************************************************/ +void Set_System(void) +{ +#if !defined(STM32L1XX_MD) && !defined(STM32L1XX_HD) && !defined(STM32L1XX_MD_PLUS) + GPIO_InitTypeDef GPIO_InitStructure; +#endif /* STM32L1XX_MD && STM32L1XX_XD */ + +#if defined(USB_USE_EXTERNAL_PULLUP) + GPIO_InitTypeDef GPIO_InitStructure; +#endif /* USB_USE_EXTERNAL_PULLUP */ + + /*!< At this stage the microcontroller clock setting is already configured, + this is done through SystemInit() function which is called from startup + file (startup_stm32f10x_xx.s) before to branch to application main. + To reconfigure the default setting of SystemInit() function, refer to + system_stm32f10x.c file + */ +#if defined(STM32L1XX_MD) || defined(STM32L1XX_HD)|| defined(STM32L1XX_MD_PLUS) || defined(STM32F37X) || defined(STM32F30X) + /* Enable the SYSCFG module clock */ + RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE); +#endif /* STM32L1XX_XD */ + +#if !defined(STM32L1XX_MD) && !defined(STM32L1XX_HD) && !defined(STM32L1XX_MD_PLUS) && !defined(STM32F37X) && !defined(STM32F30X) + /* Enable USB_DISCONNECT GPIO clock */ + RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_DISCONNECT, ENABLE); + + /* Configure USB pull-up pin */ + GPIO_InitStructure.GPIO_Pin = USB_DISCONNECT_PIN; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD; + GPIO_Init(USB_DISCONNECT, &GPIO_InitStructure); +#endif /* STM32L1XX_MD && STM32L1XX_XD */ + +#if defined(USB_USE_EXTERNAL_PULLUP) + /* Enable the USB disconnect GPIO clock */ + RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIO_DISCONNECT, ENABLE); + + /* USB_DISCONNECT used as USB pull-up */ + GPIO_InitStructure.GPIO_Pin = USB_DISCONNECT_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; + GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + GPIO_Init(USB_DISCONNECT, &GPIO_InitStructure); +#endif /* USB_USE_EXTERNAL_PULLUP */ + +#if defined(STM32F37X) || defined(STM32F30X) + + /* Enable the USB disconnect GPIO clock */ + RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIO_DISCONNECT, ENABLE); + + /*Set PA11,12 as IN - USB_DM,DP*/ + RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE); + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; + GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + GPIO_Init(GPIOA, &GPIO_InitStructure); + + /*SET PA11,12 for USB: USB_DM,DP*/ + GPIO_PinAFConfig(GPIOA, GPIO_PinSource11, GPIO_AF_14); + GPIO_PinAFConfig(GPIOA, GPIO_PinSource12, GPIO_AF_14); + + /* USB_DISCONNECT used as USB pull-up */ + GPIO_InitStructure.GPIO_Pin = USB_DISCONNECT_PIN; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; + GPIO_InitStructure.GPIO_OType = GPIO_OType_OD; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + GPIO_Init(USB_DISCONNECT, &GPIO_InitStructure); +#endif /* STM32F37X && STM32F30X)*/ + + /* Configure the EXTI line 18 connected internally to the USB IP */ + EXTI_ClearITPendingBit(EXTI_Line18); + EXTI_InitStructure.EXTI_Line = EXTI_Line18; + EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; + EXTI_InitStructure.EXTI_LineCmd = ENABLE; + EXTI_Init(&EXTI_InitStructure); +} + +/******************************************************************************* +* Function Name : Set_USBClock +* Description : Configures USB Clock input (48MHz) +* Input : None. +* Return : None. +*******************************************************************************/ +void Set_USBClock(void) +{ +#if defined(STM32L1XX_MD) || defined(STM32L1XX_HD) || defined(STM32L1XX_MD_PLUS) + /* Enable USB clock */ + RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE); + +#else + /* Select USBCLK source */ + RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_1Div5); + + /* Enable the USB clock */ + RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE); +#endif /* STM32L1XX_MD */ +} + +/******************************************************************************* +* Function Name : Enter_LowPowerMode +* Description : Power-off system clocks and power while entering suspend mode +* Input : None. +* Return : None. +*******************************************************************************/ +void Enter_LowPowerMode(void) +{ + /* Set the device state to suspend */ + bDeviceState = SUSPENDED; +} + +/******************************************************************************* +* Function Name : Leave_LowPowerMode +* Description : Restores system clocks and power while exiting suspend mode +* Input : None. +* Return : None. +*******************************************************************************/ +void Leave_LowPowerMode(void) +{ + DEVICE_INFO *pInfo = &Device_Info; + + /* Set the device state to the correct state */ + if (pInfo->Current_Configuration != 0) + { + /* Device configured */ + bDeviceState = CONFIGURED; + } + else + { + bDeviceState = ATTACHED; + } + /*Enable SystemCoreClock*/ + SystemInit(); +} + +/******************************************************************************* +* Function Name : USB_Interrupts_Config +* Description : Configures the USB interrupts +* Input : None. +* Return : None. +*******************************************************************************/ +void USB_Interrupts_Config(void) +{ +NVIC_InitTypeDef NVIC_InitStructure; + + /* 2 bit for pre-emption priority, 2 bits for subpriority */ + NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); + +#if defined(STM32L1XX_MD)|| defined(STM32L1XX_HD) || defined(STM32L1XX_MD_PLUS) + /* Enable the USB interrupt */ + NVIC_InitStructure.NVIC_IRQChannel = USB_LP_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + + /* Enable the USB Wake-up interrupt */ + NVIC_InitStructure.NVIC_IRQChannel = USB_FS_WKUP_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + +#elif defined(STM32F37X) + /* Enable the USB interrupt */ + NVIC_InitStructure.NVIC_IRQChannel = USB_LP_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + + /* Enable the USB Wake-up interrupt */ + NVIC_InitStructure.NVIC_IRQChannel = USBWakeUp_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + +#else + /* Enable the USB interrupt */ + NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + + /* Enable the USB Wake-up interrupt */ + NVIC_InitStructure.NVIC_IRQChannel = USBWakeUp_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; + NVIC_Init(&NVIC_InitStructure); +#endif +} + +/******************************************************************************* +* Function Name : USB_Cable_Config +* Description : Software Connection/Disconnection of USB Cable +* Input : None. +* Return : Status +*******************************************************************************/ +void USB_Cable_Config (FunctionalState NewState) +{ +#if defined(STM32L1XX_MD) || defined (STM32L1XX_HD)|| (STM32L1XX_MD_PLUS) + if (NewState != DISABLE) + { + STM32L15_USB_CONNECT; + } + else + { + STM32L15_USB_DISCONNECT; + } + +#else /* USE_STM3210B_EVAL or USE_STM3210E_EVAL */ + if (NewState != DISABLE) + { + GPIO_ResetBits(USB_DISCONNECT, USB_DISCONNECT_PIN); + } + else + { + GPIO_SetBits(USB_DISCONNECT, USB_DISCONNECT_PIN); + } +#endif /* STM32L1XX_MD */ +} + +/******************************************************************************* +* Function Name : Get_SerialNum. +* Description : Create the serial number string descriptor. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void Get_SerialNum(void) +{ + uint32_t Device_Serial0, Device_Serial1, Device_Serial2; + + Device_Serial0 = *(uint32_t*)ID1; + Device_Serial1 = *(uint32_t*)ID2; + Device_Serial2 = *(uint32_t*)ID3; + + Device_Serial0 += Device_Serial2; + + if (Device_Serial0 != 0) + { + IntToUnicode (Device_Serial0, &Virtual_Com_Port_StringSerial[2] , 8); + IntToUnicode (Device_Serial1, &Virtual_Com_Port_StringSerial[18], 4); + } +} + +/******************************************************************************* +* Function Name : HexToChar. +* Description : Convert Hex 32Bits value into char. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len) +{ + uint8_t idx = 0; + + for( idx = 0 ; idx < len ; idx ++) + { + if( ((value >> 28)) < 0xA ) + { + pbuf[ 2* idx] = (value >> 28) + '0'; + } + else + { + pbuf[2* idx] = (value >> 28) + 'A' - 10; + } + + value = value << 4; + + pbuf[ 2* idx + 1] = 0; + } +} + +/******************************************************************************* +* Function Name : Send DATA . +* Description : send the data received from the STM32 to the PC through USB +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +uint32_t CDC_Send_DATA (uint8_t *ptrBuffer, uint8_t Send_length) +{ + /*if max buffer is Not reached*/ + if(Send_length < VIRTUAL_COM_PORT_DATA_SIZE) + { + /*Sent flag*/ + packet_sent = 0; + /* send packet to PMA*/ + UserToPMABufferCopy((unsigned char*)ptrBuffer, ENDP1_TXADDR, Send_length); + SetEPTxCount(ENDP1, Send_length); + SetEPTxValid(ENDP1); + } + else + { + return 0; + } + return 1; +} + +/******************************************************************************* +* Function Name : Receive DATA . +* Description : receive the data from the PC to STM32 and send it through USB +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +uint32_t CDC_Receive_DATA(void) +{ + /*Receive flag*/ + packet_receive = 0; + SetEPRxValid(ENDP3); + return 1 ; +} + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/hw_config.h b/hw_config.h --- a/hw_config.h +++ b/hw_config.h @@ -44,16 +44,7 @@ #define LED_OFF 0xFF /* Exported functions ------------------------------------------------------- */ - - -void set_packet_sent(); -uint32_t get_packet_sent(); -void clear_packet_sent(); - -void set_packet_receive(); -uint32_t get_packet_receive(); -void clear_packet_receive(); - +void Set_System(void); void Set_USBClock(void); void Enter_LowPowerMode(void); void Leave_LowPowerMode(void); diff --git a/libraries/USB/usb_core.c b/libraries/USB/usb_core.c new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_core.c @@ -0,0 +1,1033 @@ +/** + ****************************************************************************** + * @file usb_core.c + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Standard protocol processing (USB v2.0) + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Includes ------------------------------------------------------------------*/ +#include "usb_lib.h" +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +#define ValBit(VAR,Place) (VAR & (1 << Place)) +#define SetBit(VAR,Place) (VAR |= (1 << Place)) +#define ClrBit(VAR,Place) (VAR &= ((1 << Place) ^ 255)) +#define Send0LengthData() { _SetEPTxCount(ENDP0, 0); \ + vSetEPTxStatus(EP_TX_VALID); \ + } + +#define vSetEPRxStatus(st) (SaveRState = st) +#define vSetEPTxStatus(st) (SaveTState = st) + +#define USB_StatusIn() Send0LengthData() +#define USB_StatusOut() vSetEPRxStatus(EP_RX_VALID) + +#define StatusInfo0 StatusInfo.bw.bb1 /* Reverse bb0 & bb1 */ +#define StatusInfo1 StatusInfo.bw.bb0 + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +uint16_t_uint8_t StatusInfo; + +bool Data_Mul_MaxPacketSize = FALSE; +/* Private function prototypes -----------------------------------------------*/ +static void DataStageOut(void); +static void DataStageIn(void); +static void NoData_Setup0(void); +static void Data_Setup0(void); +/* Private functions ---------------------------------------------------------*/ + +/******************************************************************************* +* Function Name : Standard_GetConfiguration. +* Description : Return the current configuration variable address. +* Input : Length - How many bytes are needed. +* Output : None. +* Return : Return 1 , if the request is invalid when "Length" is 0. +* Return "Buffer" if the "Length" is not 0. +*******************************************************************************/ +uint8_t *Standard_GetConfiguration(uint16_t Length) +{ + if (Length == 0) + { + pInformation->Ctrl_Info.Usb_wLength = + sizeof(pInformation->Current_Configuration); + return 0; + } + pUser_Standard_Requests->User_GetConfiguration(); + return (uint8_t *)&pInformation->Current_Configuration; +} + +/******************************************************************************* +* Function Name : Standard_SetConfiguration. +* Description : This routine is called to set the configuration value +* Then each class should configure device itself. +* Input : None. +* Output : None. +* Return : Return USB_SUCCESS, if the request is performed. +* Return USB_UNSUPPORT, if the request is invalid. +*******************************************************************************/ +RESULT Standard_SetConfiguration(void) +{ + + if ((pInformation->USBwValue0 <= + Device_Table.Total_Configuration) && (pInformation->USBwValue1 == 0) + && (pInformation->USBwIndex == 0)) /*call Back usb spec 2.0*/ + { + pInformation->Current_Configuration = pInformation->USBwValue0; + pUser_Standard_Requests->User_SetConfiguration(); + return USB_SUCCESS; + } + else + { + return USB_UNSUPPORT; + } +} + +/******************************************************************************* +* Function Name : Standard_GetInterface. +* Description : Return the Alternate Setting of the current interface. +* Input : Length - How many bytes are needed. +* Output : None. +* Return : Return 0, if the request is invalid when "Length" is 0. +* Return "Buffer" if the "Length" is not 0. +*******************************************************************************/ +uint8_t *Standard_GetInterface(uint16_t Length) +{ + if (Length == 0) + { + pInformation->Ctrl_Info.Usb_wLength = + sizeof(pInformation->Current_AlternateSetting); + return 0; + } + pUser_Standard_Requests->User_GetInterface(); + return (uint8_t *)&pInformation->Current_AlternateSetting; +} + +/******************************************************************************* +* Function Name : Standard_SetInterface. +* Description : This routine is called to set the interface. +* Then each class should configure the interface them self. +* Input : None. +* Output : None. +* Return : - Return USB_SUCCESS, if the request is performed. +* - Return USB_UNSUPPORT, if the request is invalid. +*******************************************************************************/ +RESULT Standard_SetInterface(void) +{ + RESULT Re; + /*Test if the specified Interface and Alternate Setting are supported by + the application Firmware*/ + Re = (*pProperty->Class_Get_Interface_Setting)(pInformation->USBwIndex0, pInformation->USBwValue0); + + if (pInformation->Current_Configuration != 0) + { + if ((Re != USB_SUCCESS) || (pInformation->USBwIndex1 != 0) + || (pInformation->USBwValue1 != 0)) + { + return USB_UNSUPPORT; + } + else if (Re == USB_SUCCESS) + { + pUser_Standard_Requests->User_SetInterface(); + pInformation->Current_Interface = pInformation->USBwIndex0; + pInformation->Current_AlternateSetting = pInformation->USBwValue0; + return USB_SUCCESS; + } + + } + + return USB_UNSUPPORT; +} + +/******************************************************************************* +* Function Name : Standard_GetStatus. +* Description : Copy the device request data to "StatusInfo buffer". +* Input : - Length - How many bytes are needed. +* Output : None. +* Return : Return 0, if the request is at end of data block, +* or is invalid when "Length" is 0. +*******************************************************************************/ +uint8_t *Standard_GetStatus(uint16_t Length) +{ + if (Length == 0) + { + pInformation->Ctrl_Info.Usb_wLength = 2; + return 0; + } + + /* Reset Status Information */ + StatusInfo.w = 0; + + if (Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) + { + /*Get Device Status */ + uint8_t Feature = pInformation->Current_Feature; + + /* Remote Wakeup enabled */ + if (ValBit(Feature, 5)) + { + SetBit(StatusInfo0, 1); + } + else + { + ClrBit(StatusInfo0, 1); + } + + /* Bus-powered */ + if (ValBit(Feature, 6)) + { + SetBit(StatusInfo0, 0); + } + else /* Self-powered */ + { + ClrBit(StatusInfo0, 0); + } + } + /*Interface Status*/ + else if (Type_Recipient == (STANDARD_REQUEST | INTERFACE_RECIPIENT)) + { + return (uint8_t *)&StatusInfo; + } + /*Get EndPoint Status*/ + else if (Type_Recipient == (STANDARD_REQUEST | ENDPOINT_RECIPIENT)) + { + uint8_t Related_Endpoint; + uint8_t wIndex0 = pInformation->USBwIndex0; + + Related_Endpoint = (wIndex0 & 0x0f); + if (ValBit(wIndex0, 7)) + { + /* IN endpoint */ + if (_GetTxStallStatus(Related_Endpoint)) + { + SetBit(StatusInfo0, 0); /* IN Endpoint stalled */ + } + } + else + { + /* OUT endpoint */ + if (_GetRxStallStatus(Related_Endpoint)) + { + SetBit(StatusInfo0, 0); /* OUT Endpoint stalled */ + } + } + + } + else + { + return NULL; + } + pUser_Standard_Requests->User_GetStatus(); + return (uint8_t *)&StatusInfo; +} + +/******************************************************************************* +* Function Name : Standard_ClearFeature. +* Description : Clear or disable a specific feature. +* Input : None. +* Output : None. +* Return : - Return USB_SUCCESS, if the request is performed. +* - Return USB_UNSUPPORT, if the request is invalid. +*******************************************************************************/ +RESULT Standard_ClearFeature(void) +{ + uint32_t Type_Rec = Type_Recipient; + uint32_t Status; + + + if (Type_Rec == (STANDARD_REQUEST | DEVICE_RECIPIENT)) + {/*Device Clear Feature*/ + ClrBit(pInformation->Current_Feature, 5); + return USB_SUCCESS; + } + else if (Type_Rec == (STANDARD_REQUEST | ENDPOINT_RECIPIENT)) + {/*EndPoint Clear Feature*/ + DEVICE* pDev; + uint32_t Related_Endpoint; + uint32_t wIndex0; + uint32_t rEP; + + if ((pInformation->USBwValue != ENDPOINT_STALL) + || (pInformation->USBwIndex1 != 0)) + { + return USB_UNSUPPORT; + } + + pDev = &Device_Table; + wIndex0 = pInformation->USBwIndex0; + rEP = wIndex0 & ~0x80; + Related_Endpoint = ENDP0 + rEP; + + if (ValBit(pInformation->USBwIndex0, 7)) + { + /*Get Status of endpoint & stall the request if the related_ENdpoint + is Disabled*/ + Status = _GetEPTxStatus(Related_Endpoint); + } + else + { + Status = _GetEPRxStatus(Related_Endpoint); + } + + if ((rEP >= pDev->Total_Endpoint) || (Status == 0) + || (pInformation->Current_Configuration == 0)) + { + return USB_UNSUPPORT; + } + + + if (wIndex0 & 0x80) + { + /* IN endpoint */ + if (_GetTxStallStatus(Related_Endpoint )) + { + ClearDTOG_TX(Related_Endpoint); + SetEPTxStatus(Related_Endpoint, EP_TX_VALID); + } + } + else + { + /* OUT endpoint */ + if (_GetRxStallStatus(Related_Endpoint)) + { + if (Related_Endpoint == ENDP0) + { + /* After clear the STALL, enable the default endpoint receiver */ + SetEPRxCount(Related_Endpoint, Device_Property.MaxPacketSize); + _SetEPRxStatus(Related_Endpoint, EP_RX_VALID); + } + else + { + ClearDTOG_RX(Related_Endpoint); + _SetEPRxStatus(Related_Endpoint, EP_RX_VALID); + } + } + } + pUser_Standard_Requests->User_ClearFeature(); + return USB_SUCCESS; + } + + return USB_UNSUPPORT; +} + +/******************************************************************************* +* Function Name : Standard_SetEndPointFeature +* Description : Set or enable a specific feature of EndPoint +* Input : None. +* Output : None. +* Return : - Return USB_SUCCESS, if the request is performed. +* - Return USB_UNSUPPORT, if the request is invalid. +*******************************************************************************/ +RESULT Standard_SetEndPointFeature(void) +{ + uint32_t wIndex0; + uint32_t Related_Endpoint; + uint32_t rEP; + uint32_t Status; + + wIndex0 = pInformation->USBwIndex0; + rEP = wIndex0 & ~0x80; + Related_Endpoint = ENDP0 + rEP; + + if (ValBit(pInformation->USBwIndex0, 7)) + { + /* get Status of endpoint & stall the request if the related_ENdpoint + is Disabled*/ + Status = _GetEPTxStatus(Related_Endpoint); + } + else + { + Status = _GetEPRxStatus(Related_Endpoint); + } + + if (Related_Endpoint >= Device_Table.Total_Endpoint + || pInformation->USBwValue != 0 || Status == 0 + || pInformation->Current_Configuration == 0) + { + return USB_UNSUPPORT; + } + else + { + if (wIndex0 & 0x80) + { + /* IN endpoint */ + _SetEPTxStatus(Related_Endpoint, EP_TX_STALL); + } + + else + { + /* OUT endpoint */ + _SetEPRxStatus(Related_Endpoint, EP_RX_STALL); + } + } + pUser_Standard_Requests->User_SetEndPointFeature(); + return USB_SUCCESS; +} + +/******************************************************************************* +* Function Name : Standard_SetDeviceFeature. +* Description : Set or enable a specific feature of Device. +* Input : None. +* Output : None. +* Return : - Return USB_SUCCESS, if the request is performed. +* - Return USB_UNSUPPORT, if the request is invalid. +*******************************************************************************/ +RESULT Standard_SetDeviceFeature(void) +{ + SetBit(pInformation->Current_Feature, 5); + pUser_Standard_Requests->User_SetDeviceFeature(); + return USB_SUCCESS; +} + +/******************************************************************************* +* Function Name : Standard_GetDescriptorData. +* Description : Standard_GetDescriptorData is used for descriptors transfer. +* : This routine is used for the descriptors resident in Flash +* or RAM +* pDesc can be in either Flash or RAM +* The purpose of this routine is to have a versatile way to +* response descriptors request. It allows user to generate +* certain descriptors with software or read descriptors from +* external storage part by part. +* Input : - Length - Length of the data in this transfer. +* - pDesc - A pointer points to descriptor struct. +* The structure gives the initial address of the descriptor and +* its original size. +* Output : None. +* Return : Address of a part of the descriptor pointed by the Usb_ +* wOffset The buffer pointed by this address contains at least +* Length bytes. +*******************************************************************************/ +uint8_t *Standard_GetDescriptorData(uint16_t Length, ONE_DESCRIPTOR *pDesc) +{ + uint32_t wOffset; + + wOffset = pInformation->Ctrl_Info.Usb_wOffset; + if (Length == 0) + { + pInformation->Ctrl_Info.Usb_wLength = pDesc->Descriptor_Size - wOffset; + return 0; + } + + return pDesc->Descriptor + wOffset; +} + +/******************************************************************************* +* Function Name : DataStageOut. +* Description : Data stage of a Control Write Transfer. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void DataStageOut(void) +{ + ENDPOINT_INFO *pEPinfo = &pInformation->Ctrl_Info; + uint32_t save_rLength; + + save_rLength = pEPinfo->Usb_rLength; + + if (pEPinfo->CopyData && save_rLength) + { + uint8_t *Buffer; + uint32_t Length; + + Length = pEPinfo->PacketSize; + if (Length > save_rLength) + { + Length = save_rLength; + } + + Buffer = (*pEPinfo->CopyData)(Length); + pEPinfo->Usb_rLength -= Length; + pEPinfo->Usb_rOffset += Length; + PMAToUserBufferCopy(Buffer, GetEPRxAddr(ENDP0), Length); + + } + + if (pEPinfo->Usb_rLength != 0) + { + vSetEPRxStatus(EP_RX_VALID);/* re-enable for next data reception */ + SetEPTxCount(ENDP0, 0); + vSetEPTxStatus(EP_TX_VALID);/* Expect the host to abort the data OUT stage */ + } + /* Set the next State*/ + if (pEPinfo->Usb_rLength >= pEPinfo->PacketSize) + { + pInformation->ControlState = OUT_DATA; + } + else + { + if (pEPinfo->Usb_rLength > 0) + { + pInformation->ControlState = LAST_OUT_DATA; + } + else if (pEPinfo->Usb_rLength == 0) + { + pInformation->ControlState = WAIT_STATUS_IN; + USB_StatusIn(); + } + } +} + +/******************************************************************************* +* Function Name : DataStageIn. +* Description : Data stage of a Control Read Transfer. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void DataStageIn(void) +{ + ENDPOINT_INFO *pEPinfo = &pInformation->Ctrl_Info; + uint32_t save_wLength = pEPinfo->Usb_wLength; + uint32_t ControlState = pInformation->ControlState; + + uint8_t *DataBuffer; + uint32_t Length; + + if ((save_wLength == 0) && (ControlState == LAST_IN_DATA)) + { + if(Data_Mul_MaxPacketSize == TRUE) + { + /* No more data to send and empty packet */ + Send0LengthData(); + ControlState = LAST_IN_DATA; + Data_Mul_MaxPacketSize = FALSE; + } + else + { + /* No more data to send so STALL the TX Status*/ + ControlState = WAIT_STATUS_OUT; + vSetEPTxStatus(EP_TX_STALL); + + } + + goto Expect_Status_Out; + } + + Length = pEPinfo->PacketSize; + ControlState = (save_wLength <= Length) ? LAST_IN_DATA : IN_DATA; + + if (Length > save_wLength) + { + Length = save_wLength; + } + + DataBuffer = (*pEPinfo->CopyData)(Length); + + UserToPMABufferCopy(DataBuffer, GetEPTxAddr(ENDP0), Length); + + SetEPTxCount(ENDP0, Length); + + pEPinfo->Usb_wLength -= Length; + pEPinfo->Usb_wOffset += Length; + vSetEPTxStatus(EP_TX_VALID); + + USB_StatusOut();/* Expect the host to abort the data IN stage */ + +Expect_Status_Out: + pInformation->ControlState = ControlState; +} + +/******************************************************************************* +* Function Name : NoData_Setup0. +* Description : Proceed the processing of setup request without data stage. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void NoData_Setup0(void) +{ + RESULT Result = USB_UNSUPPORT; + uint32_t RequestNo = pInformation->USBbRequest; + uint32_t ControlState; + + if (Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) + { + /* Device Request*/ + /* SET_CONFIGURATION*/ + if (RequestNo == SET_CONFIGURATION) + { + Result = Standard_SetConfiguration(); + } + + /*SET ADDRESS*/ + else if (RequestNo == SET_ADDRESS) + { + if ((pInformation->USBwValue0 > 127) || (pInformation->USBwValue1 != 0) + || (pInformation->USBwIndex != 0) + || (pInformation->Current_Configuration != 0)) + /* Device Address should be 127 or less*/ + { + ControlState = STALLED; + goto exit_NoData_Setup0; + } + else + { + Result = USB_SUCCESS; + } + } + /*SET FEATURE for Device*/ + else if (RequestNo == SET_FEATURE) + { + if ((pInformation->USBwValue0 == DEVICE_REMOTE_WAKEUP) \ + && (pInformation->USBwIndex == 0)) + { + Result = Standard_SetDeviceFeature(); + } + else + { + Result = USB_UNSUPPORT; + } + } + /*Clear FEATURE for Device */ + else if (RequestNo == CLEAR_FEATURE) + { + if (pInformation->USBwValue0 == DEVICE_REMOTE_WAKEUP + && pInformation->USBwIndex == 0 + && ValBit(pInformation->Current_Feature, 5)) + { + Result = Standard_ClearFeature(); + } + else + { + Result = USB_UNSUPPORT; + } + } + + } + + /* Interface Request*/ + else if (Type_Recipient == (STANDARD_REQUEST | INTERFACE_RECIPIENT)) + { + /*SET INTERFACE*/ + if (RequestNo == SET_INTERFACE) + { + Result = Standard_SetInterface(); + } + } + + /* EndPoint Request*/ + else if (Type_Recipient == (STANDARD_REQUEST | ENDPOINT_RECIPIENT)) + { + /*CLEAR FEATURE for EndPoint*/ + if (RequestNo == CLEAR_FEATURE) + { + Result = Standard_ClearFeature(); + } + /* SET FEATURE for EndPoint*/ + else if (RequestNo == SET_FEATURE) + { + Result = Standard_SetEndPointFeature(); + } + } + else + { + Result = USB_UNSUPPORT; + } + + + if (Result != USB_SUCCESS) + { + Result = (*pProperty->Class_NoData_Setup)(RequestNo); + if (Result == USB_NOT_READY) + { + ControlState = PAUSE; + goto exit_NoData_Setup0; + } + } + + if (Result != USB_SUCCESS) + { + ControlState = STALLED; + goto exit_NoData_Setup0; + } + + ControlState = WAIT_STATUS_IN;/* After no data stage SETUP */ + + USB_StatusIn(); + +exit_NoData_Setup0: + pInformation->ControlState = ControlState; + return; +} + +/******************************************************************************* +* Function Name : Data_Setup0. +* Description : Proceed the processing of setup request with data stage. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void Data_Setup0(void) +{ + uint8_t *(*CopyRoutine)(uint16_t); + RESULT Result; + uint32_t Request_No = pInformation->USBbRequest; + + uint32_t Related_Endpoint, Reserved; + uint32_t wOffset, Status; + + + + CopyRoutine = NULL; + wOffset = 0; + + /*GET DESCRIPTOR*/ + if (Request_No == GET_DESCRIPTOR) + { + if (Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) + { + uint8_t wValue1 = pInformation->USBwValue1; + if (wValue1 == DEVICE_DESCRIPTOR) + { + CopyRoutine = pProperty->GetDeviceDescriptor; + } + else if (wValue1 == CONFIG_DESCRIPTOR) + { + CopyRoutine = pProperty->GetConfigDescriptor; + } + else if (wValue1 == STRING_DESCRIPTOR) + { + CopyRoutine = pProperty->GetStringDescriptor; + } /* End of GET_DESCRIPTOR */ + } + } + + /*GET STATUS*/ + else if ((Request_No == GET_STATUS) && (pInformation->USBwValue == 0) + && (pInformation->USBwLength == 0x0002) + && (pInformation->USBwIndex1 == 0)) + { + /* GET STATUS for Device*/ + if ((Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) + && (pInformation->USBwIndex == 0)) + { + CopyRoutine = Standard_GetStatus; + } + + /* GET STATUS for Interface*/ + else if (Type_Recipient == (STANDARD_REQUEST | INTERFACE_RECIPIENT)) + { + if (((*pProperty->Class_Get_Interface_Setting)(pInformation->USBwIndex0, 0) == USB_SUCCESS) + && (pInformation->Current_Configuration != 0)) + { + CopyRoutine = Standard_GetStatus; + } + } + + /* GET STATUS for EndPoint*/ + else if (Type_Recipient == (STANDARD_REQUEST | ENDPOINT_RECIPIENT)) + { + Related_Endpoint = (pInformation->USBwIndex0 & 0x0f); + Reserved = pInformation->USBwIndex0 & 0x70; + + if (ValBit(pInformation->USBwIndex0, 7)) + { + /*Get Status of endpoint & stall the request if the related_ENdpoint + is Disabled*/ + Status = _GetEPTxStatus(Related_Endpoint); + } + else + { + Status = _GetEPRxStatus(Related_Endpoint); + } + + if ((Related_Endpoint < Device_Table.Total_Endpoint) && (Reserved == 0) + && (Status != 0)) + { + CopyRoutine = Standard_GetStatus; + } + } + + } + + /*GET CONFIGURATION*/ + else if (Request_No == GET_CONFIGURATION) + { + if (Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT)) + { + CopyRoutine = Standard_GetConfiguration; + } + } + /*GET INTERFACE*/ + else if (Request_No == GET_INTERFACE) + { + if ((Type_Recipient == (STANDARD_REQUEST | INTERFACE_RECIPIENT)) + && (pInformation->Current_Configuration != 0) && (pInformation->USBwValue == 0) + && (pInformation->USBwIndex1 == 0) && (pInformation->USBwLength == 0x0001) + && ((*pProperty->Class_Get_Interface_Setting)(pInformation->USBwIndex0, 0) == USB_SUCCESS)) + { + CopyRoutine = Standard_GetInterface; + } + + } + + if (CopyRoutine) + { + pInformation->Ctrl_Info.Usb_wOffset = wOffset; + pInformation->Ctrl_Info.CopyData = CopyRoutine; + /* sb in the original the cast to word was directly */ + /* now the cast is made step by step */ + (*CopyRoutine)(0); + Result = USB_SUCCESS; + } + else + { + Result = (*pProperty->Class_Data_Setup)(pInformation->USBbRequest); + if (Result == USB_NOT_READY) + { + pInformation->ControlState = PAUSE; + return; + } + } + + if (pInformation->Ctrl_Info.Usb_wLength == 0xFFFF) + { + /* Data is not ready, wait it */ + pInformation->ControlState = PAUSE; + return; + } + if ((Result == USB_UNSUPPORT) || (pInformation->Ctrl_Info.Usb_wLength == 0)) + { + /* Unsupported request */ + pInformation->ControlState = STALLED; + return; + } + + + if (ValBit(pInformation->USBbmRequestType, 7)) + { + /* Device ==> Host */ + __IO uint32_t wLength = pInformation->USBwLength; + + /* Restrict the data length to be the one host asks for */ + if (pInformation->Ctrl_Info.Usb_wLength > wLength) + { + pInformation->Ctrl_Info.Usb_wLength = wLength; + } + + else if (pInformation->Ctrl_Info.Usb_wLength < pInformation->USBwLength) + { + if (pInformation->Ctrl_Info.Usb_wLength < pProperty->MaxPacketSize) + { + Data_Mul_MaxPacketSize = FALSE; + } + else if ((pInformation->Ctrl_Info.Usb_wLength % pProperty->MaxPacketSize) == 0) + { + Data_Mul_MaxPacketSize = TRUE; + } + } + + pInformation->Ctrl_Info.PacketSize = pProperty->MaxPacketSize; + DataStageIn(); + } + else + { + pInformation->ControlState = OUT_DATA; + vSetEPRxStatus(EP_RX_VALID); /* enable for next data reception */ + } + + return; +} + +/******************************************************************************* +* Function Name : Setup0_Process +* Description : Get the device request data and dispatch to individual process. +* Input : None. +* Output : None. +* Return : Post0_Process. +*******************************************************************************/ +uint8_t Setup0_Process(void) +{ + + union + { + uint8_t* b; + uint16_t* w; + } pBuf; + uint16_t offset = 1; + + pBuf.b = PMAAddr + (uint8_t *)(_GetEPRxAddr(ENDP0) * 2); /* *2 for 32 bits addr */ + + if (pInformation->ControlState != PAUSE) + { + pInformation->USBbmRequestType = *pBuf.b++; /* bmRequestType */ + pInformation->USBbRequest = *pBuf.b++; /* bRequest */ + pBuf.w += offset; /* word not accessed because of 32 bits addressing */ + pInformation->USBwValue = ByteSwap(*pBuf.w++); /* wValue */ + pBuf.w += offset; /* word not accessed because of 32 bits addressing */ + pInformation->USBwIndex = ByteSwap(*pBuf.w++); /* wIndex */ + pBuf.w += offset; /* word not accessed because of 32 bits addressing */ + pInformation->USBwLength = *pBuf.w; /* wLength */ + } + + pInformation->ControlState = SETTING_UP; + if (pInformation->USBwLength == 0) + { + /* Setup with no data stage */ + NoData_Setup0(); + } + else + { + /* Setup with data stage */ + Data_Setup0(); + } + return Post0_Process(); +} + +/******************************************************************************* +* Function Name : In0_Process +* Description : Process the IN token on all default endpoint. +* Input : None. +* Output : None. +* Return : Post0_Process. +*******************************************************************************/ +uint8_t In0_Process(void) +{ + uint32_t ControlState = pInformation->ControlState; + + if ((ControlState == IN_DATA) || (ControlState == LAST_IN_DATA)) + { + DataStageIn(); + /* ControlState may be changed outside the function */ + ControlState = pInformation->ControlState; + } + + else if (ControlState == WAIT_STATUS_IN) + { + if ((pInformation->USBbRequest == SET_ADDRESS) && + (Type_Recipient == (STANDARD_REQUEST | DEVICE_RECIPIENT))) + { + SetDeviceAddress(pInformation->USBwValue0); + pUser_Standard_Requests->User_SetDeviceAddress(); + } + (*pProperty->Process_Status_IN)(); + ControlState = STALLED; + } + + else + { + ControlState = STALLED; + } + + pInformation->ControlState = ControlState; + + return Post0_Process(); +} + +/******************************************************************************* +* Function Name : Out0_Process +* Description : Process the OUT token on all default endpoint. +* Input : None. +* Output : None. +* Return : Post0_Process. +*******************************************************************************/ +uint8_t Out0_Process(void) +{ + uint32_t ControlState = pInformation->ControlState; + + if ((ControlState == IN_DATA) || (ControlState == LAST_IN_DATA)) + { + /* host aborts the transfer before finish */ + ControlState = STALLED; + } + else if ((ControlState == OUT_DATA) || (ControlState == LAST_OUT_DATA)) + { + DataStageOut(); + ControlState = pInformation->ControlState; /* may be changed outside the function */ + } + + else if (ControlState == WAIT_STATUS_OUT) + { + (*pProperty->Process_Status_OUT)(); + ControlState = STALLED; + } + + + /* Unexpect state, STALL the endpoint */ + else + { + ControlState = STALLED; + } + + pInformation->ControlState = ControlState; + + return Post0_Process(); +} + +/******************************************************************************* +* Function Name : Post0_Process +* Description : Stall the Endpoint 0 in case of error. +* Input : None. +* Output : None. +* Return : - 0 if the control State is in PAUSE +* - 1 if not. +*******************************************************************************/ +uint8_t Post0_Process(void) +{ + + SetEPRxCount(ENDP0, Device_Property.MaxPacketSize); + + if (pInformation->ControlState == STALLED) + { + vSetEPRxStatus(EP_RX_STALL); + vSetEPTxStatus(EP_TX_STALL); + } + + return (pInformation->ControlState == PAUSE); +} + +/******************************************************************************* +* Function Name : SetDeviceAddress. +* Description : Set the device and all the used Endpoints addresses. +* Input : - Val: device address. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetDeviceAddress(uint8_t Val) +{ + uint32_t i; + uint32_t nEP = Device_Table.Total_Endpoint; + + /* set address in every used endpoint */ + for (i = 0; i < nEP; i++) + { + _SetEPAddress((uint8_t)i, (uint8_t)i); + } /* for */ + _SetDADDR(Val | DADDR_EF); /* set device address and enable function */ +} + +/******************************************************************************* +* Function Name : NOP_Process +* Description : No operation function. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void NOP_Process(void) +{ +} + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_core.h b/libraries/USB/usb_core.h new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_core.h @@ -0,0 +1,259 @@ +/** + ****************************************************************************** + * @file usb_core.h + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Standard protocol processing functions prototypes + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_CORE_H +#define __USB_CORE_H + +/* Includes ------------------------------------------------------------------*/ +/* Exported types ------------------------------------------------------------*/ +typedef enum _CONTROL_STATE +{ + WAIT_SETUP, /* 0 */ + SETTING_UP, /* 1 */ + IN_DATA, /* 2 */ + OUT_DATA, /* 3 */ + LAST_IN_DATA, /* 4 */ + LAST_OUT_DATA, /* 5 */ + WAIT_STATUS_IN, /* 7 */ + WAIT_STATUS_OUT, /* 8 */ + STALLED, /* 9 */ + PAUSE /* 10 */ +} CONTROL_STATE; /* The state machine states of a control pipe */ + +typedef struct OneDescriptor +{ + uint8_t *Descriptor; + uint16_t Descriptor_Size; +} +ONE_DESCRIPTOR, *PONE_DESCRIPTOR; +/* All the request process routines return a value of this type + If the return value is not SUCCESS or NOT_READY, + the software will STALL the correspond endpoint */ +typedef enum _RESULT +{ + USB_SUCCESS = 0, /* Process successfully */ + USB_ERROR, + USB_UNSUPPORT, + USB_NOT_READY /* The process has not been finished, endpoint will be + NAK to further request */ +} RESULT; + + +/*-*-*-*-*-*-*-*-*-*-* Definitions for endpoint level -*-*-*-*-*-*-*-*-*-*-*-*/ +typedef struct _ENDPOINT_INFO +{ + /* When send data out of the device, + CopyData() is used to get data buffer 'Length' bytes data + if Length is 0, + CopyData() returns the total length of the data + if the request is not supported, returns 0 + (NEW Feature ) + if CopyData() returns -1, the calling routine should not proceed + further and will resume the SETUP process by the class device + if Length is not 0, + CopyData() returns a pointer to indicate the data location + Usb_wLength is the data remain to be sent, + Usb_wOffset is the Offset of original data + When receive data from the host, + CopyData() is used to get user data buffer which is capable + of Length bytes data to copy data from the endpoint buffer. + if Length is 0, + CopyData() returns the available data length, + if Length is not 0, + CopyData() returns user buffer address + Usb_rLength is the data remain to be received, + Usb_rPointer is the Offset of data buffer + */ + uint16_t Usb_wLength; + uint16_t Usb_wOffset; + uint16_t PacketSize; + uint8_t *(*CopyData)(uint16_t Length); +}ENDPOINT_INFO; + +/*-*-*-*-*-*-*-*-*-*-*-* Definitions for device level -*-*-*-*-*-*-*-*-*-*-*-*/ + +typedef struct _DEVICE +{ + uint8_t Total_Endpoint; /* Number of endpoints that are used */ + uint8_t Total_Configuration;/* Number of configuration available */ +} +DEVICE; + +typedef union +{ + uint16_t w; + struct BW + { + uint8_t bb1; + uint8_t bb0; + } + bw; +} uint16_t_uint8_t; + +typedef struct _DEVICE_INFO +{ + uint8_t USBbmRequestType; /* bmRequestType */ + uint8_t USBbRequest; /* bRequest */ + uint16_t_uint8_t USBwValues; /* wValue */ + uint16_t_uint8_t USBwIndexs; /* wIndex */ + uint16_t_uint8_t USBwLengths; /* wLength */ + + uint8_t ControlState; /* of type CONTROL_STATE */ + uint8_t Current_Feature; + uint8_t Current_Configuration; /* Selected configuration */ + uint8_t Current_Interface; /* Selected interface of current configuration */ + uint8_t Current_AlternateSetting;/* Selected Alternate Setting of current + interface*/ + + ENDPOINT_INFO Ctrl_Info; +}DEVICE_INFO; + +typedef struct _DEVICE_PROP +{ + void (*Init)(void); /* Initialize the device */ + void (*Reset)(void); /* Reset routine of this device */ + + /* Device dependent process after the status stage */ + void (*Process_Status_IN)(void); + void (*Process_Status_OUT)(void); + + /* Procedure of process on setup stage of a class specified request with data stage */ + /* All class specified requests with data stage are processed in Class_Data_Setup + Class_Data_Setup() + responses to check all special requests and fills ENDPOINT_INFO + according to the request + If IN tokens are expected, then wLength & wOffset will be filled + with the total transferring bytes and the starting position + If OUT tokens are expected, then rLength & rOffset will be filled + with the total expected bytes and the starting position in the buffer + + If the request is valid, Class_Data_Setup returns SUCCESS, else UNSUPPORT + + CAUTION: + Since GET_CONFIGURATION & GET_INTERFACE are highly related to + the individual classes, they will be checked and processed here. + */ + RESULT (*Class_Data_Setup)(uint8_t RequestNo); + + /* Procedure of process on setup stage of a class specified request without data stage */ + /* All class specified requests without data stage are processed in Class_NoData_Setup + Class_NoData_Setup + responses to check all special requests and perform the request + + CAUTION: + Since SET_CONFIGURATION & SET_INTERFACE are highly related to + the individual classes, they will be checked and processed here. + */ + RESULT (*Class_NoData_Setup)(uint8_t RequestNo); + + /*Class_Get_Interface_Setting + This function is used by the file usb_core.c to test if the selected Interface + and Alternate Setting (uint8_t Interface, uint8_t AlternateSetting) are supported by + the application. + This function is writing by user. It should return "SUCCESS" if the Interface + and Alternate Setting are supported by the application or "UNSUPPORT" if they + are not supported. */ + + RESULT (*Class_Get_Interface_Setting)(uint8_t Interface, uint8_t AlternateSetting); + + uint8_t* (*GetDeviceDescriptor)(uint16_t Length); + uint8_t* (*GetConfigDescriptor)(uint16_t Length); + uint8_t* (*GetStringDescriptor)(uint16_t Length); + + /* This field is not used in current library version. It is kept only for + compatibility with previous versions */ + void* RxEP_buffer; + + uint8_t MaxPacketSize; + +}DEVICE_PROP; + +typedef struct _USER_STANDARD_REQUESTS +{ + void (*User_GetConfiguration)(void); /* Get Configuration */ + void (*User_SetConfiguration)(void); /* Set Configuration */ + void (*User_GetInterface)(void); /* Get Interface */ + void (*User_SetInterface)(void); /* Set Interface */ + void (*User_GetStatus)(void); /* Get Status */ + void (*User_ClearFeature)(void); /* Clear Feature */ + void (*User_SetEndPointFeature)(void); /* Set Endpoint Feature */ + void (*User_SetDeviceFeature)(void); /* Set Device Feature */ + void (*User_SetDeviceAddress)(void); /* Set Device Address */ +} +USER_STANDARD_REQUESTS; + +/* Exported constants --------------------------------------------------------*/ +#define Type_Recipient (pInformation->USBbmRequestType & (REQUEST_TYPE | RECIPIENT)) + +#define Usb_rLength Usb_wLength +#define Usb_rOffset Usb_wOffset + +#define USBwValue USBwValues.w +#define USBwValue0 USBwValues.bw.bb0 +#define USBwValue1 USBwValues.bw.bb1 +#define USBwIndex USBwIndexs.w +#define USBwIndex0 USBwIndexs.bw.bb0 +#define USBwIndex1 USBwIndexs.bw.bb1 +#define USBwLength USBwLengths.w +#define USBwLength0 USBwLengths.bw.bb0 +#define USBwLength1 USBwLengths.bw.bb1 + +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ +uint8_t Setup0_Process(void); +uint8_t Post0_Process(void); +uint8_t Out0_Process(void); +uint8_t In0_Process(void); + +RESULT Standard_SetEndPointFeature(void); +RESULT Standard_SetDeviceFeature(void); + +uint8_t *Standard_GetConfiguration(uint16_t Length); +RESULT Standard_SetConfiguration(void); +uint8_t *Standard_GetInterface(uint16_t Length); +RESULT Standard_SetInterface(void); +uint8_t *Standard_GetDescriptorData(uint16_t Length, PONE_DESCRIPTOR pDesc); + +uint8_t *Standard_GetStatus(uint16_t Length); +RESULT Standard_ClearFeature(void); +void SetDeviceAddress(uint8_t); +void NOP_Process(void); + +extern DEVICE_PROP Device_Property; +extern USER_STANDARD_REQUESTS User_Standard_Requests; +extern DEVICE Device_Table; +extern DEVICE_INFO Device_Info; + +/* cells saving status during interrupt servicing */ +extern __IO uint16_t SaveRState; +extern __IO uint16_t SaveTState; + +#endif /* __USB_CORE_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_def.h b/libraries/USB/usb_def.h new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_def.h @@ -0,0 +1,92 @@ +/** + ****************************************************************************** + * @file usb_def.h + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Definitions related to USB Core + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_DEF_H +#define __USB_DEF_H + +/* Includes ------------------------------------------------------------------*/ +/* Exported types ------------------------------------------------------------*/ +typedef enum _RECIPIENT_TYPE +{ + DEVICE_RECIPIENT, /* Recipient device */ + INTERFACE_RECIPIENT, /* Recipient interface */ + ENDPOINT_RECIPIENT, /* Recipient endpoint */ + OTHER_RECIPIENT +} RECIPIENT_TYPE; + + +typedef enum _STANDARD_REQUESTS +{ + GET_STATUS = 0, + CLEAR_FEATURE, + RESERVED1, + SET_FEATURE, + RESERVED2, + SET_ADDRESS, + GET_DESCRIPTOR, + SET_DESCRIPTOR, + GET_CONFIGURATION, + SET_CONFIGURATION, + GET_INTERFACE, + SET_INTERFACE, + TOTAL_sREQUEST, /* Total number of Standard request */ + SYNCH_FRAME = 12 +} STANDARD_REQUESTS; + +/* Definition of "USBwValue" */ +typedef enum _DESCRIPTOR_TYPE +{ + DEVICE_DESCRIPTOR = 1, + CONFIG_DESCRIPTOR, + STRING_DESCRIPTOR, + INTERFACE_DESCRIPTOR, + ENDPOINT_DESCRIPTOR +} DESCRIPTOR_TYPE; + +/* Feature selector of a SET_FEATURE or CLEAR_FEATURE */ +typedef enum _FEATURE_SELECTOR +{ + ENDPOINT_STALL, + DEVICE_REMOTE_WAKEUP +} FEATURE_SELECTOR; + +/* Exported constants --------------------------------------------------------*/ +/* Definition of "USBbmRequestType" */ +#define REQUEST_TYPE 0x60 /* Mask to get request type */ +#define STANDARD_REQUEST 0x00 /* Standard request */ +#define CLASS_REQUEST 0x20 /* Class request */ +#define VENDOR_REQUEST 0x40 /* Vendor request */ + +#define RECIPIENT 0x1F /* Mask to get recipient */ + +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ + +#endif /* __USB_DEF_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_init.c b/libraries/USB/usb_init.c new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_init.c @@ -0,0 +1,76 @@ +/** + ****************************************************************************** + * @file usb_init.c + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Initialization routines & global variables + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Includes ------------------------------------------------------------------*/ +#include "usb_lib.h" + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* The number of current endpoint, it will be used to specify an endpoint */ + uint8_t EPindex; +/* The number of current device, it is an index to the Device_Table */ +/* uint8_t Device_no; */ +/* Points to the DEVICE_INFO structure of current device */ +/* The purpose of this register is to speed up the execution */ +DEVICE_INFO *pInformation; +/* Points to the DEVICE_PROP structure of current device */ +/* The purpose of this register is to speed up the execution */ +DEVICE_PROP *pProperty; +/* Temporary save the state of Rx & Tx status. */ +/* Whenever the Rx or Tx state is changed, its value is saved */ +/* in this variable first and will be set to the EPRB or EPRA */ +/* at the end of interrupt process */ +uint16_t SaveState ; +uint16_t wInterrupt_Mask; +DEVICE_INFO Device_Info; +USER_STANDARD_REQUESTS *pUser_Standard_Requests; + +/* Extern variables ----------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/******************************************************************************* +* Function Name : USB_Init +* Description : USB system initialization +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void USB_Init(void) +{ + pInformation = &Device_Info; + pInformation->ControlState = 2; + pProperty = &Device_Property; + pUser_Standard_Requests = &User_Standard_Requests; + /* Initialize devices one by one */ + pProperty->Init(); +} + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_init.h b/libraries/USB/usb_init.h new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_init.h @@ -0,0 +1,62 @@ +/** + ****************************************************************************** + * @file usb_init.h + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Initialization routines & global variables + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_INIT_H +#define __USB_INIT_H + +/* Includes ------------------------------------------------------------------*/ +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ +void USB_Init(void); + +/* External variables --------------------------------------------------------*/ +/* The number of current endpoint, it will be used to specify an endpoint */ +extern uint8_t EPindex; +/* The number of current device, it is an index to the Device_Table */ +/*extern uint8_t Device_no; */ +/* Points to the DEVICE_INFO structure of current device */ +/* The purpose of this register is to speed up the execution */ +extern DEVICE_INFO* pInformation; +/* Points to the DEVICE_PROP structure of current device */ +/* The purpose of this register is to speed up the execution */ +extern DEVICE_PROP* pProperty; +/* Temporary save the state of Rx & Tx status. */ +/* Whenever the Rx or Tx state is changed, its value is saved */ +/* in this variable first and will be set to the EPRB or EPRA */ +/* at the end of interrupt process */ +extern USER_STANDARD_REQUESTS *pUser_Standard_Requests; + +extern uint16_t SaveState ; +extern uint16_t wInterrupt_Mask; + +#endif /* __USB_INIT_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_int.c b/libraries/USB/usb_int.c new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_int.c @@ -0,0 +1,195 @@ +/** + ****************************************************************************** + * @file usb_int.c + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Endpoint CTR (Low and High) interrupt's service routines + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "usb_lib.h" + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +__IO uint16_t SaveRState; +__IO uint16_t SaveTState; + +/* Extern variables ----------------------------------------------------------*/ +extern void (*pEpInt_IN[7])(void); /* Handles IN interrupts */ +extern void (*pEpInt_OUT[7])(void); /* Handles OUT interrupts */ + +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/******************************************************************************* +* Function Name : CTR_LP. +* Description : Low priority Endpoint Correct Transfer interrupt's service +* routine. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void CTR_LP(void) +{ + __IO uint16_t wEPVal = 0; + /* stay in loop while pending interrupts */ + while (((wIstr = _GetISTR()) & ISTR_CTR) != 0) + { + /* extract highest priority endpoint number */ + EPindex = (uint8_t)(wIstr & ISTR_EP_ID); + if (EPindex == 0) + { + /* Decode and service control endpoint interrupt */ + /* calling related service routine */ + /* (Setup0_Process, In0_Process, Out0_Process) */ + + /* save RX & TX status */ + /* and set both to NAK */ + + SaveRState = _GetENDPOINT(ENDP0); + SaveTState = SaveRState & EPTX_STAT; + SaveRState &= EPRX_STAT; + + _SetEPRxTxStatus(ENDP0,EP_RX_NAK,EP_TX_NAK); + + /* DIR bit = origin of the interrupt */ + + if ((wIstr & ISTR_DIR) == 0) + { + /* DIR = 0 */ + + /* DIR = 0 => IN int */ + /* DIR = 0 implies that (EP_CTR_TX = 1) always */ + + _ClearEP_CTR_TX(ENDP0); + In0_Process(); + + /* before terminate set Tx & Rx status */ + + _SetEPRxTxStatus(ENDP0,SaveRState,SaveTState); + return; + } + else + { + /* DIR = 1 */ + + /* DIR = 1 & CTR_RX => SETUP or OUT int */ + /* DIR = 1 & (CTR_TX | CTR_RX) => 2 int pending */ + + wEPVal = _GetENDPOINT(ENDP0); + + if ((wEPVal &EP_SETUP) != 0) + { + _ClearEP_CTR_RX(ENDP0); /* SETUP bit kept frozen while CTR_RX = 1 */ + Setup0_Process(); + /* before terminate set Tx & Rx status */ + + _SetEPRxTxStatus(ENDP0,SaveRState,SaveTState); + return; + } + + else if ((wEPVal & EP_CTR_RX) != 0) + { + _ClearEP_CTR_RX(ENDP0); + Out0_Process(); + /* before terminate set Tx & Rx status */ + + _SetEPRxTxStatus(ENDP0,SaveRState,SaveTState); + return; + } + } + }/* if(EPindex == 0) */ + else + { + /* Decode and service non control endpoints interrupt */ + + /* process related endpoint register */ + wEPVal = _GetENDPOINT(EPindex); + if ((wEPVal & EP_CTR_RX) != 0) + { + /* clear int flag */ + _ClearEP_CTR_RX(EPindex); + + /* call OUT service function */ + (*pEpInt_OUT[EPindex-1])(); + + } /* if((wEPVal & EP_CTR_RX) */ + + if ((wEPVal & EP_CTR_TX) != 0) + { + /* clear int flag */ + _ClearEP_CTR_TX(EPindex); + + /* call IN service function */ + (*pEpInt_IN[EPindex-1])(); + } /* if((wEPVal & EP_CTR_TX) != 0) */ + + }/* if(EPindex == 0) else */ + + }/* while(...) */ +} + +/******************************************************************************* +* Function Name : CTR_HP. +* Description : High Priority Endpoint Correct Transfer interrupt's service +* routine. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void CTR_HP(void) +{ + uint32_t wEPVal = 0; + + while (((wIstr = _GetISTR()) & ISTR_CTR) != 0) + { + _SetISTR((uint16_t)CLR_CTR); /* clear CTR flag */ + /* extract highest priority endpoint number */ + EPindex = (uint8_t)(wIstr & ISTR_EP_ID); + /* process related endpoint register */ + wEPVal = _GetENDPOINT(EPindex); + if ((wEPVal & EP_CTR_RX) != 0) + { + /* clear int flag */ + _ClearEP_CTR_RX(EPindex); + + /* call OUT service function */ + (*pEpInt_OUT[EPindex-1])(); + + } /* if((wEPVal & EP_CTR_RX) */ + else if ((wEPVal & EP_CTR_TX) != 0) + { + /* clear int flag */ + _ClearEP_CTR_TX(EPindex); + + /* call IN service function */ + (*pEpInt_IN[EPindex-1])(); + + + } /* if((wEPVal & EP_CTR_TX) != 0) */ + + }/* while(...) */ +} + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_int.h b/libraries/USB/usb_int.h new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_int.h @@ -0,0 +1,45 @@ +/** + ****************************************************************************** + * @file usb_int.h + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Endpoint CTR (Low and High) interrupt's service routines prototypes + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_INT_H +#define __USB_INT_H + +/* Includes ------------------------------------------------------------------*/ +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ +void CTR_LP(void); +void CTR_HP(void); + +/* External variables --------------------------------------------------------*/ + +#endif /* __USB_INT_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_lib.h b/libraries/USB/usb_lib.h new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_lib.h @@ -0,0 +1,52 @@ +/** + ****************************************************************************** + * @file usb_lib.h + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief USB library include files + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_LIB_H +#define __USB_LIB_H + +/* Includes ------------------------------------------------------------------*/ +#include "hw_config.h" +#include "usb_type.h" +#include "usb_regs.h" +#include "usb_def.h" +#include "usb_core.h" +#include "usb_init.h" +#include "usb_sil.h" +#include "usb_mem.h" +#include "usb_int.h" + +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ +/* External variables --------------------------------------------------------*/ + +#endif /* __USB_LIB_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_mem.c b/libraries/USB/usb_mem.c new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_mem.c @@ -0,0 +1,87 @@ +/** + ****************************************************************************** + * @file usb_mem.c + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Utility functions for memory transfers to/from PMA + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "usb_lib.h" + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Extern variables ----------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/******************************************************************************* +* Function Name : UserToPMABufferCopy +* Description : Copy a buffer from user memory area to packet memory area (PMA) +* Input : - pbUsrBuf: pointer to user memory area. +* - wPMABufAddr: address into PMA. +* - wNBytes: no. of bytes to be copied. +* Output : None. +* Return : None . +*******************************************************************************/ +void UserToPMABufferCopy(uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes) +{ + uint32_t n = (wNBytes + 1) >> 1; /* n = (wNBytes + 1) / 2 */ + uint32_t i, temp1, temp2; + uint16_t *pdwVal; + pdwVal = (uint16_t *)(wPMABufAddr * 2 + PMAAddr); + for (i = n; i != 0; i--) + { + temp1 = (uint16_t) * pbUsrBuf; + pbUsrBuf++; + temp2 = temp1 | (uint16_t) * pbUsrBuf << 8; + *pdwVal++ = temp2; + pdwVal++; + pbUsrBuf++; + } +} + +/******************************************************************************* +* Function Name : PMAToUserBufferCopy +* Description : Copy a buffer from user memory area to packet memory area (PMA) +* Input : - pbUsrBuf = pointer to user memory area. +* - wPMABufAddr = address into PMA. +* - wNBytes = no. of bytes to be copied. +* Output : None. +* Return : None. +*******************************************************************************/ +void PMAToUserBufferCopy(uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes) +{ + uint32_t n = (wNBytes + 1) >> 1;/* /2*/ + uint32_t i; + uint32_t *pdwVal; + pdwVal = (uint32_t *)(wPMABufAddr * 2 + PMAAddr); + for (i = n; i != 0; i--) + { + *(uint16_t*)pbUsrBuf++ = *pdwVal++; + pbUsrBuf++; + } +} + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_mem.h b/libraries/USB/usb_mem.h new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_mem.h @@ -0,0 +1,45 @@ +/** + ****************************************************************************** + * @file usb_mem.h + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Utility prototypes functions for memory/PMA transfers + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_MEM_H +#define __USB_MEM_H + +/* Includes ------------------------------------------------------------------*/ +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ +void UserToPMABufferCopy(uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes); +void PMAToUserBufferCopy(uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes); + +/* External variables --------------------------------------------------------*/ + +#endif /*__USB_MEM_H*/ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_regs.c b/libraries/USB/usb_regs.c new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_regs.c @@ -0,0 +1,760 @@ +/** + ****************************************************************************** + * @file usb_regs.c + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Interface functions to USB cell registers + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "usb_lib.h" + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Extern variables ----------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/******************************************************************************* +* Function Name : SetCNTR. +* Description : Set the CNTR register value. +* Input : wRegValue: new register value. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetCNTR(uint16_t wRegValue) +{ + _SetCNTR(wRegValue); +} + +/******************************************************************************* +* Function Name : GetCNTR. +* Description : returns the CNTR register value. +* Input : None. +* Output : None. +* Return : CNTR register Value. +*******************************************************************************/ +uint16_t GetCNTR(void) +{ + return(_GetCNTR()); +} + +/******************************************************************************* +* Function Name : SetISTR. +* Description : Set the ISTR register value. +* Input : wRegValue: new register value. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetISTR(uint16_t wRegValue) +{ + _SetISTR(wRegValue); +} + +/******************************************************************************* +* Function Name : GetISTR +* Description : Returns the ISTR register value. +* Input : None. +* Output : None. +* Return : ISTR register Value +*******************************************************************************/ +uint16_t GetISTR(void) +{ + return(_GetISTR()); +} + +/******************************************************************************* +* Function Name : GetFNR +* Description : Returns the FNR register value. +* Input : None. +* Output : None. +* Return : FNR register Value +*******************************************************************************/ +uint16_t GetFNR(void) +{ + return(_GetFNR()); +} + +/******************************************************************************* +* Function Name : SetDADDR +* Description : Set the DADDR register value. +* Input : wRegValue: new register value. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetDADDR(uint16_t wRegValue) +{ + _SetDADDR(wRegValue); +} + +/******************************************************************************* +* Function Name : GetDADDR +* Description : Returns the DADDR register value. +* Input : None. +* Output : None. +* Return : DADDR register Value +*******************************************************************************/ +uint16_t GetDADDR(void) +{ + return(_GetDADDR()); +} + +/******************************************************************************* +* Function Name : SetBTABLE +* Description : Set the BTABLE. +* Input : wRegValue: New register value. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetBTABLE(uint16_t wRegValue) +{ + _SetBTABLE(wRegValue); +} + +/******************************************************************************* +* Function Name : GetBTABLE. +* Description : Returns the BTABLE register value. +* Input : None. +* Output : None. +* Return : BTABLE address. +*******************************************************************************/ +uint16_t GetBTABLE(void) +{ + return(_GetBTABLE()); +} + +/******************************************************************************* +* Function Name : SetENDPOINT +* Description : Set the Endpoint register value. +* Input : bEpNum: Endpoint Number. +* wRegValue. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetENDPOINT(uint8_t bEpNum, uint16_t wRegValue) +{ + _SetENDPOINT(bEpNum, wRegValue); +} + +/******************************************************************************* +* Function Name : GetENDPOINT +* Description : Return the Endpoint register value. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Endpoint register value. +*******************************************************************************/ +uint16_t GetENDPOINT(uint8_t bEpNum) +{ + return(_GetENDPOINT(bEpNum)); +} + +/******************************************************************************* +* Function Name : SetEPType +* Description : sets the type in the endpoint register. +* Input : bEpNum: Endpoint Number. +* wType: type definition. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPType(uint8_t bEpNum, uint16_t wType) +{ + _SetEPType(bEpNum, wType); +} + +/******************************************************************************* +* Function Name : GetEPType +* Description : Returns the endpoint type. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Endpoint Type +*******************************************************************************/ +uint16_t GetEPType(uint8_t bEpNum) +{ + return(_GetEPType(bEpNum)); +} + +/******************************************************************************* +* Function Name : SetEPTxStatus +* Description : Set the status of Tx endpoint. +* Input : bEpNum: Endpoint Number. +* wState: new state. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPTxStatus(uint8_t bEpNum, uint16_t wState) +{ + _SetEPTxStatus(bEpNum, wState); +} + +/******************************************************************************* +* Function Name : SetEPRxStatus +* Description : Set the status of Rx endpoint. +* Input : bEpNum: Endpoint Number. +* wState: new state. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPRxStatus(uint8_t bEpNum, uint16_t wState) +{ + _SetEPRxStatus(bEpNum, wState); +} + +/******************************************************************************* +* Function Name : SetDouBleBuffEPStall +* Description : sets the status for Double Buffer Endpoint to STALL +* Input : bEpNum: Endpoint Number. +* bDir: Endpoint direction. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetDouBleBuffEPStall(uint8_t bEpNum, uint8_t bDir) +{ + uint16_t Endpoint_DTOG_Status; + Endpoint_DTOG_Status = GetENDPOINT(bEpNum); + if (bDir == EP_DBUF_OUT) + { /* OUT double buffered endpoint */ + _SetENDPOINT(bEpNum, Endpoint_DTOG_Status & ~EPRX_DTOG1); + } + else if (bDir == EP_DBUF_IN) + { /* IN double buffered endpoint */ + _SetENDPOINT(bEpNum, Endpoint_DTOG_Status & ~EPTX_DTOG1); + } +} + +/******************************************************************************* +* Function Name : GetEPTxStatus +* Description : Returns the endpoint Tx status. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Endpoint TX Status +*******************************************************************************/ +uint16_t GetEPTxStatus(uint8_t bEpNum) +{ + return(_GetEPTxStatus(bEpNum)); +} + +/******************************************************************************* +* Function Name : GetEPRxStatus +* Description : Returns the endpoint Rx status. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Endpoint RX Status +*******************************************************************************/ +uint16_t GetEPRxStatus(uint8_t bEpNum) +{ + return(_GetEPRxStatus(bEpNum)); +} + +/******************************************************************************* +* Function Name : SetEPTxValid +* Description : Valid the endpoint Tx Status. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPTxValid(uint8_t bEpNum) +{ + _SetEPTxStatus(bEpNum, EP_TX_VALID); +} + +/******************************************************************************* +* Function Name : SetEPRxValid +* Description : Valid the endpoint Rx Status. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPRxValid(uint8_t bEpNum) +{ + _SetEPRxStatus(bEpNum, EP_RX_VALID); +} + +/******************************************************************************* +* Function Name : SetEP_KIND +* Description : Clear the EP_KIND bit. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEP_KIND(uint8_t bEpNum) +{ + _SetEP_KIND(bEpNum); +} + +/******************************************************************************* +* Function Name : ClearEP_KIND +* Description : set the EP_KIND bit. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void ClearEP_KIND(uint8_t bEpNum) +{ + _ClearEP_KIND(bEpNum); +} +/******************************************************************************* +* Function Name : Clear_Status_Out +* Description : Clear the Status Out of the related Endpoint +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void Clear_Status_Out(uint8_t bEpNum) +{ + _ClearEP_KIND(bEpNum); +} +/******************************************************************************* +* Function Name : Set_Status_Out +* Description : Set the Status Out of the related Endpoint +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void Set_Status_Out(uint8_t bEpNum) +{ + _SetEP_KIND(bEpNum); +} +/******************************************************************************* +* Function Name : SetEPDoubleBuff +* Description : Enable the double buffer feature for the endpoint. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPDoubleBuff(uint8_t bEpNum) +{ + _SetEP_KIND(bEpNum); +} +/******************************************************************************* +* Function Name : ClearEPDoubleBuff +* Description : Disable the double buffer feature for the endpoint. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void ClearEPDoubleBuff(uint8_t bEpNum) +{ + _ClearEP_KIND(bEpNum); +} +/******************************************************************************* +* Function Name : GetTxStallStatus +* Description : Returns the Stall status of the Tx endpoint. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Tx Stall status. +*******************************************************************************/ +uint16_t GetTxStallStatus(uint8_t bEpNum) +{ + return(_GetTxStallStatus(bEpNum)); +} +/******************************************************************************* +* Function Name : GetRxStallStatus +* Description : Returns the Stall status of the Rx endpoint. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Rx Stall status. +*******************************************************************************/ +uint16_t GetRxStallStatus(uint8_t bEpNum) +{ + return(_GetRxStallStatus(bEpNum)); +} +/******************************************************************************* +* Function Name : ClearEP_CTR_RX +* Description : Clear the CTR_RX bit. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void ClearEP_CTR_RX(uint8_t bEpNum) +{ + _ClearEP_CTR_RX(bEpNum); +} +/******************************************************************************* +* Function Name : ClearEP_CTR_TX +* Description : Clear the CTR_TX bit. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void ClearEP_CTR_TX(uint8_t bEpNum) +{ + _ClearEP_CTR_TX(bEpNum); +} +/******************************************************************************* +* Function Name : ToggleDTOG_RX +* Description : Toggle the DTOG_RX bit. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void ToggleDTOG_RX(uint8_t bEpNum) +{ + _ToggleDTOG_RX(bEpNum); +} +/******************************************************************************* +* Function Name : ToggleDTOG_TX +* Description : Toggle the DTOG_TX bit. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void ToggleDTOG_TX(uint8_t bEpNum) +{ + _ToggleDTOG_TX(bEpNum); +} +/******************************************************************************* +* Function Name : ClearDTOG_RX. +* Description : Clear the DTOG_RX bit. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void ClearDTOG_RX(uint8_t bEpNum) +{ + _ClearDTOG_RX(bEpNum); +} +/******************************************************************************* +* Function Name : ClearDTOG_TX. +* Description : Clear the DTOG_TX bit. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +void ClearDTOG_TX(uint8_t bEpNum) +{ + _ClearDTOG_TX(bEpNum); +} +/******************************************************************************* +* Function Name : SetEPAddress +* Description : Set the endpoint address. +* Input : bEpNum: Endpoint Number. +* bAddr: New endpoint address. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPAddress(uint8_t bEpNum, uint8_t bAddr) +{ + _SetEPAddress(bEpNum, bAddr); +} +/******************************************************************************* +* Function Name : GetEPAddress +* Description : Get the endpoint address. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Endpoint address. +*******************************************************************************/ +uint8_t GetEPAddress(uint8_t bEpNum) +{ + return(_GetEPAddress(bEpNum)); +} +/******************************************************************************* +* Function Name : SetEPTxAddr +* Description : Set the endpoint Tx buffer address. +* Input : bEpNum: Endpoint Number. +* wAddr: new address. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPTxAddr(uint8_t bEpNum, uint16_t wAddr) +{ + _SetEPTxAddr(bEpNum, wAddr); +} +/******************************************************************************* +* Function Name : SetEPRxAddr +* Description : Set the endpoint Rx buffer address. +* Input : bEpNum: Endpoint Number. +* wAddr: new address. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPRxAddr(uint8_t bEpNum, uint16_t wAddr) +{ + _SetEPRxAddr(bEpNum, wAddr); +} +/******************************************************************************* +* Function Name : GetEPTxAddr +* Description : Returns the endpoint Tx buffer address. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Rx buffer address. +*******************************************************************************/ +uint16_t GetEPTxAddr(uint8_t bEpNum) +{ + return(_GetEPTxAddr(bEpNum)); +} +/******************************************************************************* +* Function Name : GetEPRxAddr. +* Description : Returns the endpoint Rx buffer address. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Rx buffer address. +*******************************************************************************/ +uint16_t GetEPRxAddr(uint8_t bEpNum) +{ + return(_GetEPRxAddr(bEpNum)); +} +/******************************************************************************* +* Function Name : SetEPTxCount. +* Description : Set the Tx count. +* Input : bEpNum: Endpoint Number. +* wCount: new count value. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPTxCount(uint8_t bEpNum, uint16_t wCount) +{ + _SetEPTxCount(bEpNum, wCount); +} +/******************************************************************************* +* Function Name : SetEPCountRxReg. +* Description : Set the Count Rx Register value. +* Input : *pdwReg: point to the register. +* wCount: the new register value. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPCountRxReg(uint32_t *pdwReg, uint16_t wCount) +{ + _SetEPCountRxReg(dwReg, wCount); +} +/******************************************************************************* +* Function Name : SetEPRxCount +* Description : Set the Rx count. +* Input : bEpNum: Endpoint Number. +* wCount: the new count value. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPRxCount(uint8_t bEpNum, uint16_t wCount) +{ + _SetEPRxCount(bEpNum, wCount); +} +/******************************************************************************* +* Function Name : GetEPTxCount +* Description : Get the Tx count. +* Input : bEpNum: Endpoint Number. +* Output : None +* Return : Tx count value. +*******************************************************************************/ +uint16_t GetEPTxCount(uint8_t bEpNum) +{ + return(_GetEPTxCount(bEpNum)); +} +/******************************************************************************* +* Function Name : GetEPRxCount +* Description : Get the Rx count. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Rx count value. +*******************************************************************************/ +uint16_t GetEPRxCount(uint8_t bEpNum) +{ + return(_GetEPRxCount(bEpNum)); +} +/******************************************************************************* +* Function Name : SetEPDblBuffAddr +* Description : Set the addresses of the buffer 0 and 1. +* Input : bEpNum: Endpoint Number. +* wBuf0Addr: new address of buffer 0. +* wBuf1Addr: new address of buffer 1. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPDblBuffAddr(uint8_t bEpNum, uint16_t wBuf0Addr, uint16_t wBuf1Addr) +{ + _SetEPDblBuffAddr(bEpNum, wBuf0Addr, wBuf1Addr); +} +/******************************************************************************* +* Function Name : SetEPDblBuf0Addr +* Description : Set the Buffer 1 address. +* Input : bEpNum: Endpoint Number +* wBuf0Addr: new address. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPDblBuf0Addr(uint8_t bEpNum, uint16_t wBuf0Addr) +{ + _SetEPDblBuf0Addr(bEpNum, wBuf0Addr); +} +/******************************************************************************* +* Function Name : SetEPDblBuf1Addr +* Description : Set the Buffer 1 address. +* Input : bEpNum: Endpoint Number +* wBuf1Addr: new address. +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPDblBuf1Addr(uint8_t bEpNum, uint16_t wBuf1Addr) +{ + _SetEPDblBuf1Addr(bEpNum, wBuf1Addr); +} +/******************************************************************************* +* Function Name : GetEPDblBuf0Addr +* Description : Returns the address of the Buffer 0. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +uint16_t GetEPDblBuf0Addr(uint8_t bEpNum) +{ + return(_GetEPDblBuf0Addr(bEpNum)); +} +/******************************************************************************* +* Function Name : GetEPDblBuf1Addr +* Description : Returns the address of the Buffer 1. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Address of the Buffer 1. +*******************************************************************************/ +uint16_t GetEPDblBuf1Addr(uint8_t bEpNum) +{ + return(_GetEPDblBuf1Addr(bEpNum)); +} +/******************************************************************************* +* Function Name : SetEPDblBuffCount +* Description : Set the number of bytes for a double Buffer +* endpoint. +* Input : bEpNum,bDir, wCount +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPDblBuffCount(uint8_t bEpNum, uint8_t bDir, uint16_t wCount) +{ + _SetEPDblBuffCount(bEpNum, bDir, wCount); +} +/******************************************************************************* +* Function Name : SetEPDblBuf0Count +* Description : Set the number of bytes in the buffer 0 of a double Buffer +* endpoint. +* Input : bEpNum, bDir, wCount +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPDblBuf0Count(uint8_t bEpNum, uint8_t bDir, uint16_t wCount) +{ + _SetEPDblBuf0Count(bEpNum, bDir, wCount); +} +/******************************************************************************* +* Function Name : SetEPDblBuf1Count +* Description : Set the number of bytes in the buffer 0 of a double Buffer +* endpoint. +* Input : bEpNum, bDir, wCount +* Output : None. +* Return : None. +*******************************************************************************/ +void SetEPDblBuf1Count(uint8_t bEpNum, uint8_t bDir, uint16_t wCount) +{ + _SetEPDblBuf1Count(bEpNum, bDir, wCount); +} +/******************************************************************************* +* Function Name : GetEPDblBuf0Count +* Description : Returns the number of byte received in the buffer 0 of a double +* Buffer endpoint. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Endpoint Buffer 0 count +*******************************************************************************/ +uint16_t GetEPDblBuf0Count(uint8_t bEpNum) +{ + return(_GetEPDblBuf0Count(bEpNum)); +} +/******************************************************************************* +* Function Name : GetEPDblBuf1Count +* Description : Returns the number of data received in the buffer 1 of a double +* Buffer endpoint. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Endpoint Buffer 1 count. +*******************************************************************************/ +uint16_t GetEPDblBuf1Count(uint8_t bEpNum) +{ + return(_GetEPDblBuf1Count(bEpNum)); +} +/******************************************************************************* +* Function Name : GetEPDblBufDir +* Description : gets direction of the double buffered endpoint +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : EP_DBUF_OUT, EP_DBUF_IN, +* EP_DBUF_ERR if the endpoint counter not yet programmed. +*******************************************************************************/ +EP_DBUF_DIR GetEPDblBufDir(uint8_t bEpNum) +{ + if ((uint16_t)(*_pEPRxCount(bEpNum) & 0xFC00) != 0) + return(EP_DBUF_OUT); + else if (((uint16_t)(*_pEPTxCount(bEpNum)) & 0x03FF) != 0) + return(EP_DBUF_IN); + else + return(EP_DBUF_ERR); +} +/******************************************************************************* +* Function Name : FreeUserBuffer +* Description : free buffer used from the application realizing it to the line + toggles bit SW_BUF in the double buffered endpoint register +* Input : bEpNum, bDir +* Output : None. +* Return : None. +*******************************************************************************/ +void FreeUserBuffer(uint8_t bEpNum, uint8_t bDir) +{ + if (bDir == EP_DBUF_OUT) + { /* OUT double buffered endpoint */ + _ToggleDTOG_TX(bEpNum); + } + else if (bDir == EP_DBUF_IN) + { /* IN double buffered endpoint */ + _ToggleDTOG_RX(bEpNum); + } +} + +/******************************************************************************* +* Function Name : ToWord +* Description : merge two byte in a word. +* Input : bh: byte high, bl: bytes low. +* Output : None. +* Return : resulted word. +*******************************************************************************/ +uint16_t ToWord(uint8_t bh, uint8_t bl) +{ + uint16_t wRet; + wRet = (uint16_t)bl | ((uint16_t)bh << 8); + return(wRet); +} +/******************************************************************************* +* Function Name : ByteSwap +* Description : Swap two byte in a word. +* Input : wSwW: word to Swap. +* Output : None. +* Return : resulted word. +*******************************************************************************/ +uint16_t ByteSwap(uint16_t wSwW) +{ + uint8_t bTemp; + uint16_t wRet; + bTemp = (uint8_t)(wSwW & 0xff); + wRet = (wSwW >> 8) | ((uint16_t)bTemp << 8); + return(wRet); +} + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_regs.h b/libraries/USB/usb_regs.h new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_regs.h @@ -0,0 +1,680 @@ +/** + ****************************************************************************** + * @file usb_regs.h + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Interface prototype functions to USB cell registers + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_REGS_H +#define __USB_REGS_H + +/* Includes ------------------------------------------------------------------*/ +/* Exported types ------------------------------------------------------------*/ +typedef enum _EP_DBUF_DIR +{ + /* double buffered endpoint direction */ + EP_DBUF_ERR, + EP_DBUF_OUT, + EP_DBUF_IN +}EP_DBUF_DIR; + +/* endpoint buffer number */ +enum EP_BUF_NUM +{ + EP_NOBUF, + EP_BUF0, + EP_BUF1 +}; + +/* Exported constants --------------------------------------------------------*/ +#define RegBase (0x40005C00L) /* USB_IP Peripheral Registers base address */ +#define PMAAddr (0x40006000L) /* USB_IP Packet Memory Area base address */ + +/******************************************************************************/ +/* General registers */ +/******************************************************************************/ + +/* Control register */ +#define CNTR ((__IO unsigned *)(RegBase + 0x40)) +/* Interrupt status register */ +#define ISTR ((__IO unsigned *)(RegBase + 0x44)) +/* Frame number register */ +#define FNR ((__IO unsigned *)(RegBase + 0x48)) +/* Device address register */ +#define DADDR ((__IO unsigned *)(RegBase + 0x4C)) +/* Buffer Table address register */ +#define BTABLE ((__IO unsigned *)(RegBase + 0x50)) +/******************************************************************************/ +/* Endpoint registers */ +/******************************************************************************/ +#define EP0REG ((__IO unsigned *)(RegBase)) /* endpoint 0 register address */ + +/* Endpoint Addresses (w/direction) */ +#define EP0_OUT ((uint8_t)0x00) +#define EP0_IN ((uint8_t)0x80) +#define EP1_OUT ((uint8_t)0x01) +#define EP1_IN ((uint8_t)0x81) +#define EP2_OUT ((uint8_t)0x02) +#define EP2_IN ((uint8_t)0x82) +#define EP3_OUT ((uint8_t)0x03) +#define EP3_IN ((uint8_t)0x83) +#define EP4_OUT ((uint8_t)0x04) +#define EP4_IN ((uint8_t)0x84) +#define EP5_OUT ((uint8_t)0x05) +#define EP5_IN ((uint8_t)0x85) +#define EP6_OUT ((uint8_t)0x06) +#define EP6_IN ((uint8_t)0x86) +#define EP7_OUT ((uint8_t)0x07) +#define EP7_IN ((uint8_t)0x87) + +/* endpoints enumeration */ +#define ENDP0 ((uint8_t)0) +#define ENDP1 ((uint8_t)1) +#define ENDP2 ((uint8_t)2) +#define ENDP3 ((uint8_t)3) +#define ENDP4 ((uint8_t)4) +#define ENDP5 ((uint8_t)5) +#define ENDP6 ((uint8_t)6) +#define ENDP7 ((uint8_t)7) + +/******************************************************************************/ +/* ISTR interrupt events */ +/******************************************************************************/ +#define ISTR_CTR (0x8000) /* Correct TRansfer (clear-only bit) */ +#define ISTR_DOVR (0x4000) /* DMA OVeR/underrun (clear-only bit) */ +#define ISTR_ERR (0x2000) /* ERRor (clear-only bit) */ +#define ISTR_WKUP (0x1000) /* WaKe UP (clear-only bit) */ +#define ISTR_SUSP (0x0800) /* SUSPend (clear-only bit) */ +#define ISTR_RESET (0x0400) /* RESET (clear-only bit) */ +#define ISTR_SOF (0x0200) /* Start Of Frame (clear-only bit) */ +#define ISTR_ESOF (0x0100) /* Expected Start Of Frame (clear-only bit) */ + + +#define ISTR_DIR (0x0010) /* DIRection of transaction (read-only bit) */ +#define ISTR_EP_ID (0x000F) /* EndPoint IDentifier (read-only bit) */ + +#define CLR_CTR (~ISTR_CTR) /* clear Correct TRansfer bit */ +#define CLR_DOVR (~ISTR_DOVR) /* clear DMA OVeR/underrun bit*/ +#define CLR_ERR (~ISTR_ERR) /* clear ERRor bit */ +#define CLR_WKUP (~ISTR_WKUP) /* clear WaKe UP bit */ +#define CLR_SUSP (~ISTR_SUSP) /* clear SUSPend bit */ +#define CLR_RESET (~ISTR_RESET) /* clear RESET bit */ +#define CLR_SOF (~ISTR_SOF) /* clear Start Of Frame bit */ +#define CLR_ESOF (~ISTR_ESOF) /* clear Expected Start Of Frame bit */ + +/******************************************************************************/ +/* CNTR control register bits definitions */ +/******************************************************************************/ +#define CNTR_CTRM (0x8000) /* Correct TRansfer Mask */ +#define CNTR_DOVRM (0x4000) /* DMA OVeR/underrun Mask */ +#define CNTR_ERRM (0x2000) /* ERRor Mask */ +#define CNTR_WKUPM (0x1000) /* WaKe UP Mask */ +#define CNTR_SUSPM (0x0800) /* SUSPend Mask */ +#define CNTR_RESETM (0x0400) /* RESET Mask */ +#define CNTR_SOFM (0x0200) /* Start Of Frame Mask */ +#define CNTR_ESOFM (0x0100) /* Expected Start Of Frame Mask */ + + +#define CNTR_RESUME (0x0010) /* RESUME request */ +#define CNTR_FSUSP (0x0008) /* Force SUSPend */ +#define CNTR_LPMODE (0x0004) /* Low-power MODE */ +#define CNTR_PDWN (0x0002) /* Power DoWN */ +#define CNTR_FRES (0x0001) /* Force USB RESet */ + +/******************************************************************************/ +/* FNR Frame Number Register bit definitions */ +/******************************************************************************/ +#define FNR_RXDP (0x8000) /* status of D+ data line */ +#define FNR_RXDM (0x4000) /* status of D- data line */ +#define FNR_LCK (0x2000) /* LoCKed */ +#define FNR_LSOF (0x1800) /* Lost SOF */ +#define FNR_FN (0x07FF) /* Frame Number */ +/******************************************************************************/ +/* DADDR Device ADDRess bit definitions */ +/******************************************************************************/ +#define DADDR_EF (0x80) +#define DADDR_ADD (0x7F) +/******************************************************************************/ +/* Endpoint register */ +/******************************************************************************/ +/* bit positions */ +#define EP_CTR_RX (0x8000) /* EndPoint Correct TRansfer RX */ +#define EP_DTOG_RX (0x4000) /* EndPoint Data TOGGLE RX */ +#define EPRX_STAT (0x3000) /* EndPoint RX STATus bit field */ +#define EP_SETUP (0x0800) /* EndPoint SETUP */ +#define EP_T_FIELD (0x0600) /* EndPoint TYPE */ +#define EP_KIND (0x0100) /* EndPoint KIND */ +#define EP_CTR_TX (0x0080) /* EndPoint Correct TRansfer TX */ +#define EP_DTOG_TX (0x0040) /* EndPoint Data TOGGLE TX */ +#define EPTX_STAT (0x0030) /* EndPoint TX STATus bit field */ +#define EPADDR_FIELD (0x000F) /* EndPoint ADDRess FIELD */ + +/* EndPoint REGister MASK (no toggle fields) */ +#define EPREG_MASK (EP_CTR_RX|EP_SETUP|EP_T_FIELD|EP_KIND|EP_CTR_TX|EPADDR_FIELD) + +/* EP_TYPE[1:0] EndPoint TYPE */ +#define EP_TYPE_MASK (0x0600) /* EndPoint TYPE Mask */ +#define EP_BULK (0x0000) /* EndPoint BULK */ +#define EP_CONTROL (0x0200) /* EndPoint CONTROL */ +#define EP_ISOCHRONOUS (0x0400) /* EndPoint ISOCHRONOUS */ +#define EP_INTERRUPT (0x0600) /* EndPoint INTERRUPT */ +#define EP_T_MASK (~EP_T_FIELD & EPREG_MASK) + + +/* EP_KIND EndPoint KIND */ +#define EPKIND_MASK (~EP_KIND & EPREG_MASK) + +/* STAT_TX[1:0] STATus for TX transfer */ +#define EP_TX_DIS (0x0000) /* EndPoint TX DISabled */ +#define EP_TX_STALL (0x0010) /* EndPoint TX STALLed */ +#define EP_TX_NAK (0x0020) /* EndPoint TX NAKed */ +#define EP_TX_VALID (0x0030) /* EndPoint TX VALID */ +#define EPTX_DTOG1 (0x0010) /* EndPoint TX Data TOGgle bit1 */ +#define EPTX_DTOG2 (0x0020) /* EndPoint TX Data TOGgle bit2 */ +#define EPTX_DTOGMASK (EPTX_STAT|EPREG_MASK) + +/* STAT_RX[1:0] STATus for RX transfer */ +#define EP_RX_DIS (0x0000) /* EndPoint RX DISabled */ +#define EP_RX_STALL (0x1000) /* EndPoint RX STALLed */ +#define EP_RX_NAK (0x2000) /* EndPoint RX NAKed */ +#define EP_RX_VALID (0x3000) /* EndPoint RX VALID */ +#define EPRX_DTOG1 (0x1000) /* EndPoint RX Data TOGgle bit1 */ +#define EPRX_DTOG2 (0x2000) /* EndPoint RX Data TOGgle bit1 */ +#define EPRX_DTOGMASK (EPRX_STAT|EPREG_MASK) +/* Exported macro ------------------------------------------------------------*/ +/* SetCNTR */ +#define _SetCNTR(wRegValue) (*CNTR = (uint16_t)wRegValue) + +/* SetISTR */ +#define _SetISTR(wRegValue) (*ISTR = (uint16_t)wRegValue) + +/* SetDADDR */ +#define _SetDADDR(wRegValue) (*DADDR = (uint16_t)wRegValue) + +/* SetBTABLE */ +#define _SetBTABLE(wRegValue)(*BTABLE = (uint16_t)(wRegValue & 0xFFF8)) + +/* GetCNTR */ +#define _GetCNTR() ((uint16_t) *CNTR) + +/* GetISTR */ +#define _GetISTR() ((uint16_t) *ISTR) + +/* GetFNR */ +#define _GetFNR() ((uint16_t) *FNR) + +/* GetDADDR */ +#define _GetDADDR() ((uint16_t) *DADDR) + +/* GetBTABLE */ +#define _GetBTABLE() ((uint16_t) *BTABLE) + +/* SetENDPOINT */ +#define _SetENDPOINT(bEpNum,wRegValue) (*(EP0REG + bEpNum)= \ + (uint16_t)wRegValue) + +/* GetENDPOINT */ +#define _GetENDPOINT(bEpNum) ((uint16_t)(*(EP0REG + bEpNum))) + +/******************************************************************************* +* Macro Name : SetEPType +* Description : sets the type in the endpoint register(bits EP_TYPE[1:0]) +* Input : bEpNum: Endpoint Number. +* wType +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEPType(bEpNum,wType) (_SetENDPOINT(bEpNum,\ + ((_GetENDPOINT(bEpNum) & EP_T_MASK) | wType ))) + +/******************************************************************************* +* Macro Name : GetEPType +* Description : gets the type in the endpoint register(bits EP_TYPE[1:0]) +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : Endpoint Type +*******************************************************************************/ +#define _GetEPType(bEpNum) (_GetENDPOINT(bEpNum) & EP_T_FIELD) + +/******************************************************************************* +* Macro Name : SetEPTxStatus +* Description : sets the status for tx transfer (bits STAT_TX[1:0]). +* Input : bEpNum: Endpoint Number. +* wState: new state +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEPTxStatus(bEpNum,wState) {\ + register uint16_t _wRegVal; \ + _wRegVal = _GetENDPOINT(bEpNum) & EPTX_DTOGMASK;\ + /* toggle first bit ? */ \ + if((EPTX_DTOG1 & wState)!= 0) \ + _wRegVal ^= EPTX_DTOG1; \ + /* toggle second bit ? */ \ + if((EPTX_DTOG2 & wState)!= 0) \ + _wRegVal ^= EPTX_DTOG2; \ + _SetENDPOINT(bEpNum, (_wRegVal | EP_CTR_RX|EP_CTR_TX)); \ + } /* _SetEPTxStatus */ + +/******************************************************************************* +* Macro Name : SetEPRxStatus +* Description : sets the status for rx transfer (bits STAT_TX[1:0]) +* Input : bEpNum: Endpoint Number. +* wState: new state. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEPRxStatus(bEpNum,wState) {\ + register uint16_t _wRegVal; \ + \ + _wRegVal = _GetENDPOINT(bEpNum) & EPRX_DTOGMASK;\ + /* toggle first bit ? */ \ + if((EPRX_DTOG1 & wState)!= 0) \ + _wRegVal ^= EPRX_DTOG1; \ + /* toggle second bit ? */ \ + if((EPRX_DTOG2 & wState)!= 0) \ + _wRegVal ^= EPRX_DTOG2; \ + _SetENDPOINT(bEpNum, (_wRegVal | EP_CTR_RX|EP_CTR_TX)); \ + } /* _SetEPRxStatus */ + +/******************************************************************************* +* Macro Name : SetEPRxTxStatus +* Description : sets the status for rx & tx (bits STAT_TX[1:0] & STAT_RX[1:0]) +* Input : bEpNum: Endpoint Number. +* wStaterx: new state. +* wStatetx: new state. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEPRxTxStatus(bEpNum,wStaterx,wStatetx) {\ + register uint32_t _wRegVal; \ + \ + _wRegVal = _GetENDPOINT(bEpNum) & (EPRX_DTOGMASK |EPTX_STAT) ;\ + /* toggle first bit ? */ \ + if((EPRX_DTOG1 & wStaterx)!= 0) \ + _wRegVal ^= EPRX_DTOG1; \ + /* toggle second bit ? */ \ + if((EPRX_DTOG2 & wStaterx)!= 0) \ + _wRegVal ^= EPRX_DTOG2; \ + /* toggle first bit ? */ \ + if((EPTX_DTOG1 & wStatetx)!= 0) \ + _wRegVal ^= EPTX_DTOG1; \ + /* toggle second bit ? */ \ + if((EPTX_DTOG2 & wStatetx)!= 0) \ + _wRegVal ^= EPTX_DTOG2; \ + _SetENDPOINT(bEpNum, _wRegVal | EP_CTR_RX|EP_CTR_TX); \ + } /* _SetEPRxTxStatus */ +/******************************************************************************* +* Macro Name : GetEPTxStatus / GetEPRxStatus +* Description : gets the status for tx/rx transfer (bits STAT_TX[1:0] +* /STAT_RX[1:0]) +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : status . +*******************************************************************************/ +#define _GetEPTxStatus(bEpNum) ((uint16_t)_GetENDPOINT(bEpNum) & EPTX_STAT) + +#define _GetEPRxStatus(bEpNum) ((uint16_t)_GetENDPOINT(bEpNum) & EPRX_STAT) + +/******************************************************************************* +* Macro Name : SetEPTxValid / SetEPRxValid +* Description : sets directly the VALID tx/rx-status into the enpoint register +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEPTxValid(bEpNum) (_SetEPTxStatus(bEpNum, EP_TX_VALID)) + +#define _SetEPRxValid(bEpNum) (_SetEPRxStatus(bEpNum, EP_RX_VALID)) + +/******************************************************************************* +* Macro Name : GetTxStallStatus / GetRxStallStatus. +* Description : checks stall condition in an endpoint. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : TRUE = endpoint in stall condition. +*******************************************************************************/ +#define _GetTxStallStatus(bEpNum) (_GetEPTxStatus(bEpNum) \ + == EP_TX_STALL) +#define _GetRxStallStatus(bEpNum) (_GetEPRxStatus(bEpNum) \ + == EP_RX_STALL) + +/******************************************************************************* +* Macro Name : SetEP_KIND / ClearEP_KIND. +* Description : set & clear EP_KIND bit. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEP_KIND(bEpNum) (_SetENDPOINT(bEpNum, \ + (EP_CTR_RX|EP_CTR_TX|((_GetENDPOINT(bEpNum) | EP_KIND) & EPREG_MASK)))) +#define _ClearEP_KIND(bEpNum) (_SetENDPOINT(bEpNum, \ + (EP_CTR_RX|EP_CTR_TX|(_GetENDPOINT(bEpNum) & EPKIND_MASK)))) + +/******************************************************************************* +* Macro Name : Set_Status_Out / Clear_Status_Out. +* Description : Sets/clears directly STATUS_OUT bit in the endpoint register. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _Set_Status_Out(bEpNum) _SetEP_KIND(bEpNum) +#define _Clear_Status_Out(bEpNum) _ClearEP_KIND(bEpNum) + +/******************************************************************************* +* Macro Name : SetEPDoubleBuff / ClearEPDoubleBuff. +* Description : Sets/clears directly EP_KIND bit in the endpoint register. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEPDoubleBuff(bEpNum) _SetEP_KIND(bEpNum) +#define _ClearEPDoubleBuff(bEpNum) _ClearEP_KIND(bEpNum) + +/******************************************************************************* +* Macro Name : ClearEP_CTR_RX / ClearEP_CTR_TX. +* Description : Clears bit CTR_RX / CTR_TX in the endpoint register. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _ClearEP_CTR_RX(bEpNum) (_SetENDPOINT(bEpNum,\ + _GetENDPOINT(bEpNum) & 0x7FFF & EPREG_MASK)) +#define _ClearEP_CTR_TX(bEpNum) (_SetENDPOINT(bEpNum,\ + _GetENDPOINT(bEpNum) & 0xFF7F & EPREG_MASK)) + +/******************************************************************************* +* Macro Name : ToggleDTOG_RX / ToggleDTOG_TX . +* Description : Toggles DTOG_RX / DTOG_TX bit in the endpoint register. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _ToggleDTOG_RX(bEpNum) (_SetENDPOINT(bEpNum, \ + EP_CTR_RX|EP_CTR_TX|EP_DTOG_RX | (_GetENDPOINT(bEpNum) & EPREG_MASK))) +#define _ToggleDTOG_TX(bEpNum) (_SetENDPOINT(bEpNum, \ + EP_CTR_RX|EP_CTR_TX|EP_DTOG_TX | (_GetENDPOINT(bEpNum) & EPREG_MASK))) + +/******************************************************************************* +* Macro Name : ClearDTOG_RX / ClearDTOG_TX. +* Description : Clears DTOG_RX / DTOG_TX bit in the endpoint register. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _ClearDTOG_RX(bEpNum) if((_GetENDPOINT(bEpNum) & EP_DTOG_RX) != 0)\ + _ToggleDTOG_RX(bEpNum) +#define _ClearDTOG_TX(bEpNum) if((_GetENDPOINT(bEpNum) & EP_DTOG_TX) != 0)\ + _ToggleDTOG_TX(bEpNum) +/******************************************************************************* +* Macro Name : SetEPAddress. +* Description : Sets address in an endpoint register. +* Input : bEpNum: Endpoint Number. +* bAddr: Address. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEPAddress(bEpNum,bAddr) _SetENDPOINT(bEpNum,\ + EP_CTR_RX|EP_CTR_TX|(_GetENDPOINT(bEpNum) & EPREG_MASK) | bAddr) + +/******************************************************************************* +* Macro Name : GetEPAddress. +* Description : Gets address in an endpoint register. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _GetEPAddress(bEpNum) ((uint8_t)(_GetENDPOINT(bEpNum) & EPADDR_FIELD)) + +#define _pEPTxAddr(bEpNum) ((uint32_t *)((_GetBTABLE()+bEpNum*8 )*2 + PMAAddr)) +#define _pEPTxCount(bEpNum) ((uint32_t *)((_GetBTABLE()+bEpNum*8+2)*2 + PMAAddr)) +#define _pEPRxAddr(bEpNum) ((uint32_t *)((_GetBTABLE()+bEpNum*8+4)*2 + PMAAddr)) +#define _pEPRxCount(bEpNum) ((uint32_t *)((_GetBTABLE()+bEpNum*8+6)*2 + PMAAddr)) + +/******************************************************************************* +* Macro Name : SetEPTxAddr / SetEPRxAddr. +* Description : sets address of the tx/rx buffer. +* Input : bEpNum: Endpoint Number. +* wAddr: address to be set (must be word aligned). +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEPTxAddr(bEpNum,wAddr) (*_pEPTxAddr(bEpNum) = ((wAddr >> 1) << 1)) +#define _SetEPRxAddr(bEpNum,wAddr) (*_pEPRxAddr(bEpNum) = ((wAddr >> 1) << 1)) + +/******************************************************************************* +* Macro Name : GetEPTxAddr / GetEPRxAddr. +* Description : Gets address of the tx/rx buffer. +* Input : bEpNum: Endpoint Number. +* Output : None. +* Return : address of the buffer. +*******************************************************************************/ +#define _GetEPTxAddr(bEpNum) ((uint16_t)*_pEPTxAddr(bEpNum)) +#define _GetEPRxAddr(bEpNum) ((uint16_t)*_pEPRxAddr(bEpNum)) + +/******************************************************************************* +* Macro Name : SetEPCountRxReg. +* Description : Sets counter of rx buffer with no. of blocks. +* Input : pdwReg: pointer to counter. +* wCount: Counter. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _BlocksOf32(dwReg,wCount,wNBlocks) {\ + wNBlocks = wCount >> 5;\ + if((wCount & 0x1f) == 0)\ + wNBlocks--;\ + *pdwReg = (uint32_t)((wNBlocks << 10) | 0x8000);\ + }/* _BlocksOf32 */ + +#define _BlocksOf2(dwReg,wCount,wNBlocks) {\ + wNBlocks = wCount >> 1;\ + if((wCount & 0x1) != 0)\ + wNBlocks++;\ + *pdwReg = (uint32_t)(wNBlocks << 10);\ + }/* _BlocksOf2 */ + +#define _SetEPCountRxReg(dwReg,wCount) {\ + uint16_t wNBlocks;\ + if(wCount > 62){_BlocksOf32(dwReg,wCount,wNBlocks);}\ + else {_BlocksOf2(dwReg,wCount,wNBlocks);}\ + }/* _SetEPCountRxReg */ + + + +#define _SetEPRxDblBuf0Count(bEpNum,wCount) {\ + uint32_t *pdwReg = _pEPTxCount(bEpNum); \ + _SetEPCountRxReg(pdwReg, wCount);\ + } +/******************************************************************************* +* Macro Name : SetEPTxCount / SetEPRxCount. +* Description : sets counter for the tx/rx buffer. +* Input : bEpNum: endpoint number. +* wCount: Counter value. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEPTxCount(bEpNum,wCount) (*_pEPTxCount(bEpNum) = wCount) +#define _SetEPRxCount(bEpNum,wCount) {\ + uint32_t *pdwReg = _pEPRxCount(bEpNum); \ + _SetEPCountRxReg(pdwReg, wCount);\ + } +/******************************************************************************* +* Macro Name : GetEPTxCount / GetEPRxCount. +* Description : gets counter of the tx buffer. +* Input : bEpNum: endpoint number. +* Output : None. +* Return : Counter value. +*******************************************************************************/ +#define _GetEPTxCount(bEpNum)((uint16_t)(*_pEPTxCount(bEpNum)) & 0x3ff) +#define _GetEPRxCount(bEpNum)((uint16_t)(*_pEPRxCount(bEpNum)) & 0x3ff) + +/******************************************************************************* +* Macro Name : SetEPDblBuf0Addr / SetEPDblBuf1Addr. +* Description : Sets buffer 0/1 address in a double buffer endpoint. +* Input : bEpNum: endpoint number. +* : wBuf0Addr: buffer 0 address. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEPDblBuf0Addr(bEpNum,wBuf0Addr) {_SetEPTxAddr(bEpNum, wBuf0Addr);} +#define _SetEPDblBuf1Addr(bEpNum,wBuf1Addr) {_SetEPRxAddr(bEpNum, wBuf1Addr);} + +/******************************************************************************* +* Macro Name : SetEPDblBuffAddr. +* Description : Sets addresses in a double buffer endpoint. +* Input : bEpNum: endpoint number. +* : wBuf0Addr: buffer 0 address. +* : wBuf1Addr = buffer 1 address. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEPDblBuffAddr(bEpNum,wBuf0Addr,wBuf1Addr) { \ + _SetEPDblBuf0Addr(bEpNum, wBuf0Addr);\ + _SetEPDblBuf1Addr(bEpNum, wBuf1Addr);\ + } /* _SetEPDblBuffAddr */ + +/******************************************************************************* +* Macro Name : GetEPDblBuf0Addr / GetEPDblBuf1Addr. +* Description : Gets buffer 0/1 address of a double buffer endpoint. +* Input : bEpNum: endpoint number. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _GetEPDblBuf0Addr(bEpNum) (_GetEPTxAddr(bEpNum)) +#define _GetEPDblBuf1Addr(bEpNum) (_GetEPRxAddr(bEpNum)) + +/******************************************************************************* +* Macro Name : SetEPDblBuffCount / SetEPDblBuf0Count / SetEPDblBuf1Count. +* Description : Gets buffer 0/1 address of a double buffer endpoint. +* Input : bEpNum: endpoint number. +* : bDir: endpoint dir EP_DBUF_OUT = OUT +* EP_DBUF_IN = IN +* : wCount: Counter value +* Output : None. +* Return : None. +*******************************************************************************/ +#define _SetEPDblBuf0Count(bEpNum, bDir, wCount) { \ + if(bDir == EP_DBUF_OUT)\ + /* OUT endpoint */ \ + {_SetEPRxDblBuf0Count(bEpNum,wCount);} \ + else if(bDir == EP_DBUF_IN)\ + /* IN endpoint */ \ + *_pEPTxCount(bEpNum) = (uint32_t)wCount; \ + } /* SetEPDblBuf0Count*/ + +#define _SetEPDblBuf1Count(bEpNum, bDir, wCount) { \ + if(bDir == EP_DBUF_OUT)\ + /* OUT endpoint */ \ + {_SetEPRxCount(bEpNum,wCount);}\ + else if(bDir == EP_DBUF_IN)\ + /* IN endpoint */\ + *_pEPRxCount(bEpNum) = (uint32_t)wCount; \ + } /* SetEPDblBuf1Count */ + +#define _SetEPDblBuffCount(bEpNum, bDir, wCount) {\ + _SetEPDblBuf0Count(bEpNum, bDir, wCount); \ + _SetEPDblBuf1Count(bEpNum, bDir, wCount); \ + } /* _SetEPDblBuffCount */ + +/******************************************************************************* +* Macro Name : GetEPDblBuf0Count / GetEPDblBuf1Count. +* Description : Gets buffer 0/1 rx/tx counter for double buffering. +* Input : bEpNum: endpoint number. +* Output : None. +* Return : None. +*******************************************************************************/ +#define _GetEPDblBuf0Count(bEpNum) (_GetEPTxCount(bEpNum)) +#define _GetEPDblBuf1Count(bEpNum) (_GetEPRxCount(bEpNum)) + + +/* External variables --------------------------------------------------------*/ +extern __IO uint16_t wIstr; /* ISTR register last read value */ + +/* Exported functions ------------------------------------------------------- */ +void SetCNTR(uint16_t /*wRegValue*/); +void SetISTR(uint16_t /*wRegValue*/); +void SetDADDR(uint16_t /*wRegValue*/); +void SetBTABLE(uint16_t /*wRegValue*/); +void SetBTABLE(uint16_t /*wRegValue*/); +uint16_t GetCNTR(void); +uint16_t GetISTR(void); +uint16_t GetFNR(void); +uint16_t GetDADDR(void); +uint16_t GetBTABLE(void); +void SetENDPOINT(uint8_t /*bEpNum*/, uint16_t /*wRegValue*/); +uint16_t GetENDPOINT(uint8_t /*bEpNum*/); +void SetEPType(uint8_t /*bEpNum*/, uint16_t /*wType*/); +uint16_t GetEPType(uint8_t /*bEpNum*/); +void SetEPTxStatus(uint8_t /*bEpNum*/, uint16_t /*wState*/); +void SetEPRxStatus(uint8_t /*bEpNum*/, uint16_t /*wState*/); +void SetDouBleBuffEPStall(uint8_t /*bEpNum*/, uint8_t bDir); +uint16_t GetEPTxStatus(uint8_t /*bEpNum*/); +uint16_t GetEPRxStatus(uint8_t /*bEpNum*/); +void SetEPTxValid(uint8_t /*bEpNum*/); +void SetEPRxValid(uint8_t /*bEpNum*/); +uint16_t GetTxStallStatus(uint8_t /*bEpNum*/); +uint16_t GetRxStallStatus(uint8_t /*bEpNum*/); +void SetEP_KIND(uint8_t /*bEpNum*/); +void ClearEP_KIND(uint8_t /*bEpNum*/); +void Set_Status_Out(uint8_t /*bEpNum*/); +void Clear_Status_Out(uint8_t /*bEpNum*/); +void SetEPDoubleBuff(uint8_t /*bEpNum*/); +void ClearEPDoubleBuff(uint8_t /*bEpNum*/); +void ClearEP_CTR_RX(uint8_t /*bEpNum*/); +void ClearEP_CTR_TX(uint8_t /*bEpNum*/); +void ToggleDTOG_RX(uint8_t /*bEpNum*/); +void ToggleDTOG_TX(uint8_t /*bEpNum*/); +void ClearDTOG_RX(uint8_t /*bEpNum*/); +void ClearDTOG_TX(uint8_t /*bEpNum*/); +void SetEPAddress(uint8_t /*bEpNum*/, uint8_t /*bAddr*/); +uint8_t GetEPAddress(uint8_t /*bEpNum*/); +void SetEPTxAddr(uint8_t /*bEpNum*/, uint16_t /*wAddr*/); +void SetEPRxAddr(uint8_t /*bEpNum*/, uint16_t /*wAddr*/); +uint16_t GetEPTxAddr(uint8_t /*bEpNum*/); +uint16_t GetEPRxAddr(uint8_t /*bEpNum*/); +void SetEPCountRxReg(uint32_t * /*pdwReg*/, uint16_t /*wCount*/); +void SetEPTxCount(uint8_t /*bEpNum*/, uint16_t /*wCount*/); +void SetEPRxCount(uint8_t /*bEpNum*/, uint16_t /*wCount*/); +uint16_t GetEPTxCount(uint8_t /*bEpNum*/); +uint16_t GetEPRxCount(uint8_t /*bEpNum*/); +void SetEPDblBuf0Addr(uint8_t /*bEpNum*/, uint16_t /*wBuf0Addr*/); +void SetEPDblBuf1Addr(uint8_t /*bEpNum*/, uint16_t /*wBuf1Addr*/); +void SetEPDblBuffAddr(uint8_t /*bEpNum*/, uint16_t /*wBuf0Addr*/, uint16_t /*wBuf1Addr*/); +uint16_t GetEPDblBuf0Addr(uint8_t /*bEpNum*/); +uint16_t GetEPDblBuf1Addr(uint8_t /*bEpNum*/); +void SetEPDblBuffCount(uint8_t /*bEpNum*/, uint8_t /*bDir*/, uint16_t /*wCount*/); +void SetEPDblBuf0Count(uint8_t /*bEpNum*/, uint8_t /*bDir*/, uint16_t /*wCount*/); +void SetEPDblBuf1Count(uint8_t /*bEpNum*/, uint8_t /*bDir*/, uint16_t /*wCount*/); +uint16_t GetEPDblBuf0Count(uint8_t /*bEpNum*/); +uint16_t GetEPDblBuf1Count(uint8_t /*bEpNum*/); +EP_DBUF_DIR GetEPDblBufDir(uint8_t /*bEpNum*/); +void FreeUserBuffer(uint8_t bEpNum/*bEpNum*/, uint8_t bDir); +uint16_t ToWord(uint8_t, uint8_t); +uint16_t ByteSwap(uint16_t); + +#endif /* __USB_REGS_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_sil.c b/libraries/USB/usb_sil.c new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_sil.c @@ -0,0 +1,103 @@ +/** + ****************************************************************************** + * @file usb_sil.c + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Simplified Interface Layer for Global Initialization and Endpoint + * Rea/Write operations. + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Includes ------------------------------------------------------------------*/ +#include "usb_lib.h" + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Extern variables ----------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/******************************************************************************* +* Function Name : USB_SIL_Init +* Description : Initialize the USB Device IP and the Endpoint 0. +* Input : None. +* Output : None. +* Return : Status. +*******************************************************************************/ +uint32_t USB_SIL_Init(void) +{ + /* USB interrupts initialization */ + /* clear pending interrupts */ + _SetISTR(0); + wInterrupt_Mask = IMR_MSK; + /* set interrupts mask */ + _SetCNTR(wInterrupt_Mask); + return 0; +} + +/******************************************************************************* +* Function Name : USB_SIL_Write +* Description : Write a buffer of data to a selected endpoint. +* Input : - bEpAddr: The address of the non control endpoint. +* - pBufferPointer: The pointer to the buffer of data to be written +* to the endpoint. +* - wBufferSize: Number of data to be written (in bytes). +* Output : None. +* Return : Status. +*******************************************************************************/ +uint32_t USB_SIL_Write(uint8_t bEpAddr, uint8_t* pBufferPointer, uint32_t wBufferSize) +{ + /* Use the memory interface function to write to the selected endpoint */ + UserToPMABufferCopy(pBufferPointer, GetEPTxAddr(bEpAddr & 0x7F), wBufferSize); + + /* Update the data length in the control register */ + SetEPTxCount((bEpAddr & 0x7F), wBufferSize); + + return 0; +} + +/******************************************************************************* +* Function Name : USB_SIL_Read +* Description : Write a buffer of data to a selected endpoint. +* Input : - bEpAddr: The address of the non control endpoint. +* - pBufferPointer: The pointer to which will be saved the +* received data buffer. +* Output : None. +* Return : Number of received data (in Bytes). +*******************************************************************************/ +uint32_t USB_SIL_Read(uint8_t bEpAddr, uint8_t* pBufferPointer) +{ + uint32_t DataLength = 0; + + /* Get the number of received data on the selected Endpoint */ + DataLength = GetEPRxCount(bEpAddr & 0x7F); + + /* Use the memory interface function to write to the selected endpoint */ + PMAToUserBufferCopy(pBufferPointer, GetEPRxAddr(bEpAddr & 0x7F), DataLength); + + /* Return the number of received data */ + return DataLength; +} + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_sil.h b/libraries/USB/usb_sil.h new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_sil.h @@ -0,0 +1,47 @@ +/** + ****************************************************************************** + * @file usb_sil.h + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Simplified Interface Layer function prototypes. + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_SIL_H +#define __USB_SIL_H + +/* Includes ------------------------------------------------------------------*/ +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ + +uint32_t USB_SIL_Init(void); +uint32_t USB_SIL_Write(uint8_t bEpAddr, uint8_t* pBufferPointer, uint32_t wBufferSize); +uint32_t USB_SIL_Read(uint8_t bEpAddr, uint8_t* pBufferPointer); + +/* External variables --------------------------------------------------------*/ + +#endif /* __USB_SIL_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/libraries/USB/usb_type.h b/libraries/USB/usb_type.h new file mode 100644 --- /dev/null +++ b/libraries/USB/usb_type.h @@ -0,0 +1,54 @@ +/** + ****************************************************************************** + * @file usb_type.h + * @author MCD Application Team + * @version V4.0.0 + * @date 28-August-2012 + * @brief Type definitions used by the USB Library + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2012 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_TYPE_H +#define __USB_TYPE_H + +/* Includes ------------------------------------------------------------------*/ +#include "usb_conf.h" + +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ +#ifndef NULL +#define NULL ((void *)0) +#endif + +typedef enum +{ + FALSE = 0, TRUE = !FALSE +} +bool; + +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ +/* External variables --------------------------------------------------------*/ + +#endif /* __USB_TYPE_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/platform_config.h b/platform_config.h --- a/platform_config.h +++ b/platform_config.h @@ -30,19 +30,16 @@ #ifndef __PLATFORM_CONFIG_H #define __PLATFORM_CONFIG_H -#define STM32L1XX_MD - /* Includes ------------------------------------------------------------------*/ #if defined(STM32L1XX_MD) || defined(STM32L1XX_HD)|| defined(STM32L1XX_MD_PLUS) #include "stm32l1xx.h" - #include "evalcompat.h" -// #if defined (USE_STM32L152_EVAL) -// #include "stm32l152_eval.h" -// #elif defined (USE_STM32L152D_EVAL) -// #include "stm32l152d_eval.h" -// #else -// #error "Missing define: USE_STM32L152_EVAL or USE_STM32L152D_EVAL" -// #endif /* USE_STM32L152_EVAL */ + #if defined (USE_STM32L152_EVAL) + #include "stm32l152_eval.h" + #elif defined (USE_STM32L152D_EVAL) + #include "stm32l152d_eval.h" + #else + #error "Missing define: USE_STM32L152_EVAL or USE_STM32L152D_EVAL" + #endif /* USE_STM32L152_EVAL */ #elif defined (STM32F10X_MD) || defined (STM32F10X_HD) || defined (STM32F10X_XL) #include "stm32f10x.h" #if defined (USE_STM3210B_EVAL) @@ -64,15 +61,16 @@ /* Exported constants --------------------------------------------------------*/ /* Uncomment the line corresponding to the STMicroelectronics evaluation board used to run the example */ -#if !defined (USE_STM3210B_EVAL) && !defined (USE_STM3210E_EVAL) && !defined (USE_STM32L152_EVAL) && !defined (USE_STM32L152D_EVAL) && !defined (USE_STM32373C_EVAL) && !defined (USE_STM32303C_EVAL) +#if !defined (USE_STM3210B_EVAL) && !defined (USE_STM3210E_EVAL) && !defined (USE_STM32L152_EVAL) && !defined (USE_STM32L152D_EVAL) && !defined (USE_STM32373C_EVAL) && !defined (USE_STM32303C_EVAL) //#define USE_STM3210B_EVAL //#define USE_STM3210E_EVAL -#define USE_STM32L152_EVAL +//#define USE_STM32L152_EVAL //#define USE_STM32L152D_EVAL //#define (USE_STM32373C_EVAL) -//#define USE_STM32303C_EVAL +#define (USE_STM32303C_EVAL) #endif + /*Unique Devices IDs register set*/ #if defined(STM32L1XX_MD) || defined(STM32L1XX_HD) || defined(STM32L1XX_MD_PLUS) @@ -95,10 +93,59 @@ #endif + /* Define the STM32F10x hardware depending on the used evaluation board */ -#define USB_DISCONNECT GPIOA -#define USB_DISCONNECT_PIN GPIO_Pin_10 -#define RCC_APB2Periph_GPIO_DISCONNECT RCC_APB2Periph_GPIOA +#ifdef USE_STM3210B_EVAL + #define USB_DISCONNECT GPIOD + #define USB_DISCONNECT_PIN GPIO_Pin_9 + #define RCC_APB2Periph_GPIO_DISCONNECT RCC_APB2Periph_GPIOD + +#elif defined (USE_STM3210E_EVAL) + #define USB_DISCONNECT GPIOB + #define USB_DISCONNECT_PIN GPIO_Pin_14 + #define RCC_APB2Periph_GPIO_DISCONNECT RCC_APB2Periph_GPIOB + +#elif defined (USE_STM32L152_EVAL) || defined (USE_STM32L152D_EVAL) + /* + For STM32L15xx devices it is possible to use the internal USB pullup + controlled by register SYSCFG_PMC (refer to RM0038 reference manual for + more details). + It is also possible to use external pullup (and disable the internal pullup) + by setting the define USB_USE_EXTERNAL_PULLUP in file platform_config.h + and configuring the right pin to be used for the external pull up configuration. + To have more details on how to use an external pull up, please refer to + STM3210E-EVAL evaluation board manuals. + */ + /* Uncomment the following define to use an external pull up instead of the + integrated STM32L15xx internal pull up. In this case make sure to set up + correctly the external required hardware and the GPIO defines below.*/ +/* #define USB_USE_EXTERNAL_PULLUP */ + + #if !defined(USB_USE_EXTERNAL_PULLUP) + #define STM32L15_USB_CONNECT SYSCFG_USBPuCmd(ENABLE) + #define STM32L15_USB_DISCONNECT SYSCFG_USBPuCmd(DISABLE) + + #elif defined(USB_USE_EXTERNAL_PULLUP) + /* PA0 is chosen just as illustrating example, you should modify the defines + below according to your hardware configuration. */ + #define USB_DISCONNECT GPIOA + #define USB_DISCONNECT_PIN GPIO_Pin_0 + #define RCC_AHBPeriph_GPIO_DISCONNECT RCC_AHBPeriph_GPIOA + #define STM32L15_USB_CONNECT GPIO_ResetBits(USB_DISCONNECT, USB_DISCONNECT_PIN) + #define STM32L15_USB_DISCONNECT GPIO_SetBits(USB_DISCONNECT, USB_DISCONNECT_PIN) + #endif /* USB_USE_EXTERNAL_PULLUP */ + +#elif defined (USE_STM32373C_EVAL) + #define USB_DISCONNECT GPIOC + #define USB_DISCONNECT_PIN GPIO_Pin_5 + #define RCC_AHBPeriph_GPIO_DISCONNECT RCC_AHBPeriph_GPIOC + +#elif defined (USE_STM32303C_EVAL) + #define USB_DISCONNECT GPIOB + #define USB_DISCONNECT_PIN GPIO_Pin_8 + + #define RCC_AHBPeriph_GPIO_DISCONNECT RCC_AHBPeriph_GPIOB +#endif /* USE_STM3210B_EVAL */ /* Exported macro ------------------------------------------------------------*/ /* Exported functions ------------------------------------------------------- */ diff --git a/stm32l1xx_it.c b/stm32l1xx_it.c --- a/stm32l1xx_it.c +++ b/stm32l1xx_it.c @@ -28,8 +28,11 @@ */ /* Includes ------------------------------------------------------------------*/ +#include "hw_config.h" #include "stm32l1xx_it.h" #include "main.h" +#include "usb_lib.h" +#include "usb_istr.h" /** @addtogroup STM32L100C-Discovery_Demo * @{ @@ -144,6 +147,50 @@ void SysTick_Handler(void) TimingDelay_Decrement(); } + + + + + +/******************************************************************************* +* Function Name : USB_IRQHandler +* Description : This function handles USB Low Priority interrupts +* requests. +* Input : None +* Output : None +* Return : None +*******************************************************************************/ +#if defined(STM32L1XX_MD) || defined(STM32L1XX_HD)|| defined(STM32L1XX_MD_PLUS)|| defined (STM32F37X) +void USB_LP_IRQHandler(void) +#else +void USB_LP_CAN1_RX0_IRQHandler(void) +#endif +{ + USB_Istr(); +} + +/******************************************************************************* +* Function Name : USB_FS_WKUP_IRQHandler +* Description : This function handles USB WakeUp interrupt request. +* Input : None +* Output : None +* Return : None +*******************************************************************************/ + +#if defined(STM32L1XX_MD) || defined(STM32L1XX_HD)|| defined(STM32L1XX_MD_PLUS) +void USB_FS_WKUP_IRQHandler(void) +#else +void USBWakeUp_IRQHandler(void) +#endif +{ + EXTI_ClearITPendingBit(EXTI_Line18); +} + + + + + + /******************************************************************************/ /* STM32L1xx Peripherals Interrupt Handlers */ /* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */ @@ -165,4 +212,7 @@ void SysTick_Handler(void) */ + + + /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/stm32l1xx_it.h b/stm32l1xx_it.h --- a/stm32l1xx_it.h +++ b/stm32l1xx_it.h @@ -35,6 +35,8 @@ /* Includes ------------------------------------------------------------------*/ #include "stm32l1xx.h" +#include "platform_config.h" + /* Exported types ------------------------------------------------------------*/ /* Exported constants --------------------------------------------------------*/ @@ -50,6 +52,9 @@ void SVC_Handler(void); void DebugMon_Handler(void); void PendSV_Handler(void); void SysTick_Handler(void); +void USBWakeUp_IRQHandler(void); +void USB_FS_WKUP_IRQHandler(void); + #ifdef __cplusplus } diff --git a/usb_conf.h b/usb_conf.h new file mode 100644 --- /dev/null +++ b/usb_conf.h @@ -0,0 +1,103 @@ +/** + ****************************************************************************** + * @file usb_conf.h + * @author MCD Application Team + * @version V4.0.0 + * @date 21-January-2013 + * @brief Virtual COM Port Demo configuration header + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_CONF_H +#define __USB_CONF_H + +/* Includes ------------------------------------------------------------------*/ +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ +/* External variables --------------------------------------------------------*/ + +/*-------------------------------------------------------------*/ +/* EP_NUM */ +/* defines how many endpoints are used by the device */ +/*-------------------------------------------------------------*/ + +#define EP_NUM (4) + +/*-------------------------------------------------------------*/ +/* -------------- Buffer Description Table -----------------*/ +/*-------------------------------------------------------------*/ +/* buffer table base address */ +/* buffer table base address */ +#define BTABLE_ADDRESS (0x00) + +/* EP0 */ +/* rx/tx buffer base address */ +#define ENDP0_RXADDR (0x40) +#define ENDP0_TXADDR (0x80) + +/* EP1 */ +/* tx buffer base address */ +#define ENDP1_TXADDR (0xC0) +#define ENDP2_TXADDR (0x100) +#define ENDP3_RXADDR (0x110) + + +/*-------------------------------------------------------------*/ +/* ------------------- ISTR events -------------------------*/ +/*-------------------------------------------------------------*/ +/* IMR_MSK */ +/* mask defining which events has to be handled */ +/* by the device application software */ +#define IMR_MSK (CNTR_CTRM | CNTR_WKUPM | CNTR_SUSPM | CNTR_ERRM | CNTR_SOFM \ + | CNTR_ESOFM | CNTR_RESETM ) + +/*#define CTR_CALLBACK*/ +/*#define DOVR_CALLBACK*/ +/*#define ERR_CALLBACK*/ +/*#define WKUP_CALLBACK*/ +/*#define SUSP_CALLBACK*/ +/*#define RESET_CALLBACK*/ +/*#define SOF_CALLBACK*/ +/*#define ESOF_CALLBACK*/ +/* CTR service routines */ +/* associated to defined endpoints */ +/*#define EP1_IN_Callback NOP_Process*/ +#define EP2_IN_Callback NOP_Process +#define EP3_IN_Callback NOP_Process +#define EP4_IN_Callback NOP_Process +#define EP5_IN_Callback NOP_Process +#define EP6_IN_Callback NOP_Process +#define EP7_IN_Callback NOP_Process + +#define EP1_OUT_Callback NOP_Process +#define EP2_OUT_Callback NOP_Process +/*#define EP3_OUT_Callback NOP_Process*/ +#define EP4_OUT_Callback NOP_Process +#define EP5_OUT_Callback NOP_Process +#define EP6_OUT_Callback NOP_Process +#define EP7_OUT_Callback NOP_Process + +#endif /* __USB_CONF_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/usb_desc.c b/usb_desc.c new file mode 100644 --- /dev/null +++ b/usb_desc.c @@ -0,0 +1,174 @@ +/** + ****************************************************************************** + * @file usb_desc.c + * @author MCD Application Team + * @version V4.0.0 + * @date 21-January-2013 + * @brief Descriptors for Virtual Com Port Demo + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Includes ------------------------------------------------------------------*/ +#include "usb_lib.h" +#include "usb_desc.h" + +/* USB Standard Device Descriptor */ +const uint8_t Virtual_Com_Port_DeviceDescriptor[] = + { + 0x12, /* bLength */ + USB_DEVICE_DESCRIPTOR_TYPE, /* bDescriptorType */ + 0x00, + 0x02, /* bcdUSB = 2.00 */ + 0x02, /* bDeviceClass: CDC */ + 0x00, /* bDeviceSubClass */ + 0x00, /* bDeviceProtocol */ + 0x40, /* bMaxPacketSize0 */ + 0x83, + 0x04, /* idVendor = 0x0483 */ + 0x40, + 0x57, /* idProduct = 0x7540 */ + 0x00, + 0x02, /* bcdDevice = 2.00 */ + 1, /* Index of string descriptor describing manufacturer */ + 2, /* Index of string descriptor describing product */ + 3, /* Index of string descriptor describing the device's serial number */ + 0x01 /* bNumConfigurations */ + }; + +const uint8_t Virtual_Com_Port_ConfigDescriptor[] = + { + /*Configuration Descriptor*/ + 0x09, /* bLength: Configuration Descriptor size */ + USB_CONFIGURATION_DESCRIPTOR_TYPE, /* bDescriptorType: Configuration */ + VIRTUAL_COM_PORT_SIZ_CONFIG_DESC, /* wTotalLength:no of returned bytes */ + 0x00, + 0x02, /* bNumInterfaces: 2 interface */ + 0x01, /* bConfigurationValue: Configuration value */ + 0x00, /* iConfiguration: Index of string descriptor describing the configuration */ + 0xC0, /* bmAttributes: self powered */ + 0x32, /* MaxPower 0 mA */ + /*Interface Descriptor*/ + 0x09, /* bLength: Interface Descriptor size */ + USB_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType: Interface */ + /* Interface descriptor type */ + 0x00, /* bInterfaceNumber: Number of Interface */ + 0x00, /* bAlternateSetting: Alternate setting */ + 0x01, /* bNumEndpoints: One endpoints used */ + 0x02, /* bInterfaceClass: Communication Interface Class */ + 0x02, /* bInterfaceSubClass: Abstract Control Model */ + 0x01, /* bInterfaceProtocol: Common AT commands */ + 0x00, /* iInterface: */ + /*Header Functional Descriptor*/ + 0x05, /* bLength: Endpoint Descriptor size */ + 0x24, /* bDescriptorType: CS_INTERFACE */ + 0x00, /* bDescriptorSubtype: Header Func Desc */ + 0x10, /* bcdCDC: spec release number */ + 0x01, + /*Call Management Functional Descriptor*/ + 0x05, /* bFunctionLength */ + 0x24, /* bDescriptorType: CS_INTERFACE */ + 0x01, /* bDescriptorSubtype: Call Management Func Desc */ + 0x00, /* bmCapabilities: D0+D1 */ + 0x01, /* bDataInterface: 1 */ + /*ACM Functional Descriptor*/ + 0x04, /* bFunctionLength */ + 0x24, /* bDescriptorType: CS_INTERFACE */ + 0x02, /* bDescriptorSubtype: Abstract Control Management desc */ + 0x02, /* bmCapabilities */ + /*Union Functional Descriptor*/ + 0x05, /* bFunctionLength */ + 0x24, /* bDescriptorType: CS_INTERFACE */ + 0x06, /* bDescriptorSubtype: Union func desc */ + 0x00, /* bMasterInterface: Communication class interface */ + 0x01, /* bSlaveInterface0: Data Class Interface */ + /*Endpoint 2 Descriptor*/ + 0x07, /* bLength: Endpoint Descriptor size */ + USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: Endpoint */ + 0x82, /* bEndpointAddress: (IN2) */ + 0x03, /* bmAttributes: Interrupt */ + VIRTUAL_COM_PORT_INT_SIZE, /* wMaxPacketSize: */ + 0x00, + 0xFF, /* bInterval: */ + /*Data class interface descriptor*/ + 0x09, /* bLength: Endpoint Descriptor size */ + USB_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType: */ + 0x01, /* bInterfaceNumber: Number of Interface */ + 0x00, /* bAlternateSetting: Alternate setting */ + 0x02, /* bNumEndpoints: Two endpoints used */ + 0x0A, /* bInterfaceClass: CDC */ + 0x00, /* bInterfaceSubClass: */ + 0x00, /* bInterfaceProtocol: */ + 0x00, /* iInterface: */ + /*Endpoint 3 Descriptor*/ + 0x07, /* bLength: Endpoint Descriptor size */ + USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: Endpoint */ + 0x03, /* bEndpointAddress: (OUT3) */ + 0x02, /* bmAttributes: Bulk */ + VIRTUAL_COM_PORT_DATA_SIZE, /* wMaxPacketSize: */ + 0x00, + 0x00, /* bInterval: ignore for Bulk transfer */ + /*Endpoint 1 Descriptor*/ + 0x07, /* bLength: Endpoint Descriptor size */ + USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: Endpoint */ + 0x81, /* bEndpointAddress: (IN1) */ + 0x02, /* bmAttributes: Bulk */ + VIRTUAL_COM_PORT_DATA_SIZE, /* wMaxPacketSize: */ + 0x00, + 0x00 /* bInterval */ + }; + +/* USB String Descriptors */ +const uint8_t Virtual_Com_Port_StringLangID[VIRTUAL_COM_PORT_SIZ_STRING_LANGID] = + { + VIRTUAL_COM_PORT_SIZ_STRING_LANGID, + USB_STRING_DESCRIPTOR_TYPE, + 0x09, + 0x04 /* LangID = 0x0409: U.S. English */ + }; + +const uint8_t Virtual_Com_Port_StringVendor[VIRTUAL_COM_PORT_SIZ_STRING_VENDOR] = + { + VIRTUAL_COM_PORT_SIZ_STRING_VENDOR, /* Size of Vendor string */ + USB_STRING_DESCRIPTOR_TYPE, /* bDescriptorType*/ + /* Manufacturer: "STMicroelectronics" */ + 'S', 0, 'T', 0, 'M', 0, 'i', 0, 'c', 0, 'r', 0, 'o', 0, 'e', 0, + 'l', 0, 'e', 0, 'c', 0, 't', 0, 'r', 0, 'o', 0, 'n', 0, 'i', 0, + 'c', 0, 's', 0 + }; + +const uint8_t Virtual_Com_Port_StringProduct[VIRTUAL_COM_PORT_SIZ_STRING_PRODUCT] = + { + VIRTUAL_COM_PORT_SIZ_STRING_PRODUCT, /* bLength */ + USB_STRING_DESCRIPTOR_TYPE, /* bDescriptorType */ + /* Product name: "STM32 Virtual COM Port" */ + 'S', 0, 'T', 0, 'M', 0, '3', 0, '2', 0, ' ', 0, 'V', 0, 'i', 0, + 'r', 0, 't', 0, 'u', 0, 'a', 0, 'l', 0, ' ', 0, 'C', 0, 'O', 0, + 'M', 0, ' ', 0, 'P', 0, 'o', 0, 'r', 0, 't', 0, ' ', 0, ' ', 0 + }; + +uint8_t Virtual_Com_Port_StringSerial[VIRTUAL_COM_PORT_SIZ_STRING_SERIAL] = + { + VIRTUAL_COM_PORT_SIZ_STRING_SERIAL, /* bLength */ + USB_STRING_DESCRIPTOR_TYPE, /* bDescriptorType */ + 'S', 0, 'T', 0, 'M', 0, '3', 0, '2', 0 + }; + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/usb_desc.h b/usb_desc.h new file mode 100644 --- /dev/null +++ b/usb_desc.h @@ -0,0 +1,66 @@ +/** + ****************************************************************************** + * @file usb_desc.h + * @author MCD Application Team + * @version V4.0.0 + * @date 21-January-2013 + * @brief Descriptor Header for Virtual COM Port Device + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_DESC_H +#define __USB_DESC_H + +/* Includes ------------------------------------------------------------------*/ +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ +/* Exported macro ------------------------------------------------------------*/ +/* Exported define -----------------------------------------------------------*/ +#define USB_DEVICE_DESCRIPTOR_TYPE 0x01 +#define USB_CONFIGURATION_DESCRIPTOR_TYPE 0x02 +#define USB_STRING_DESCRIPTOR_TYPE 0x03 +#define USB_INTERFACE_DESCRIPTOR_TYPE 0x04 +#define USB_ENDPOINT_DESCRIPTOR_TYPE 0x05 + +#define VIRTUAL_COM_PORT_DATA_SIZE 64 +#define VIRTUAL_COM_PORT_INT_SIZE 8 + +#define VIRTUAL_COM_PORT_SIZ_DEVICE_DESC 18 +#define VIRTUAL_COM_PORT_SIZ_CONFIG_DESC 67 +#define VIRTUAL_COM_PORT_SIZ_STRING_LANGID 4 +#define VIRTUAL_COM_PORT_SIZ_STRING_VENDOR 38 +#define VIRTUAL_COM_PORT_SIZ_STRING_PRODUCT 50 +#define VIRTUAL_COM_PORT_SIZ_STRING_SERIAL 26 + +#define STANDARD_ENDPOINT_DESC_SIZE 0x09 + +/* Exported functions ------------------------------------------------------- */ +extern const uint8_t Virtual_Com_Port_DeviceDescriptor[VIRTUAL_COM_PORT_SIZ_DEVICE_DESC]; +extern const uint8_t Virtual_Com_Port_ConfigDescriptor[VIRTUAL_COM_PORT_SIZ_CONFIG_DESC]; + +extern const uint8_t Virtual_Com_Port_StringLangID[VIRTUAL_COM_PORT_SIZ_STRING_LANGID]; +extern const uint8_t Virtual_Com_Port_StringVendor[VIRTUAL_COM_PORT_SIZ_STRING_VENDOR]; +extern const uint8_t Virtual_Com_Port_StringProduct[VIRTUAL_COM_PORT_SIZ_STRING_PRODUCT]; +extern uint8_t Virtual_Com_Port_StringSerial[VIRTUAL_COM_PORT_SIZ_STRING_SERIAL]; + +#endif /* __USB_DESC_H */ +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/usb_endp.c b/usb_endp.c new file mode 100644 --- /dev/null +++ b/usb_endp.c @@ -0,0 +1,78 @@ +/** + ****************************************************************************** + * @file usb_endp.c + * @author MCD Application Team + * @version V4.0.0 + * @date 21-January-2013 + * @brief Endpoint routines + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Includes ------------------------------------------------------------------*/ +#include "usb_lib.h" +#include "usb_desc.h" +#include "usb_mem.h" +#include "hw_config.h" +#include "usb_istr.h" +#include "usb_pwr.h" + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ + +/* Interval between sending IN packets in frame number (1 frame = 1ms) */ +#define VCOMPORT_IN_FRAME_INTERVAL 5 +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +extern __IO uint32_t packet_sent; +extern __IO uint32_t packet_receive; +extern __IO uint8_t Receive_Buffer[64]; +uint32_t Receive_length; +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/******************************************************************************* +* Function Name : EP1_IN_Callback +* Description : +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ + +void EP1_IN_Callback (void) +{ + packet_sent = 1; +} + +/******************************************************************************* +* Function Name : EP3_OUT_Callback +* Description : +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void EP3_OUT_Callback(void) +{ + packet_receive = 1; + Receive_length = GetEPRxCount(ENDP3); + PMAToUserBufferCopy((unsigned char*)Receive_Buffer, ENDP3_RXADDR, Receive_length); +} + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/usb_istr.c b/usb_istr.c new file mode 100644 --- /dev/null +++ b/usb_istr.c @@ -0,0 +1,232 @@ +/** + ****************************************************************************** + * @file usb_istr.c + * @author MCD Application Team + * @version V4.0.0 + * @date 21-January-2013 + * @brief ISTR events interrupt service routines + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Includes ------------------------------------------------------------------*/ +#include "usb_lib.h" +#include "usb_prop.h" +#include "usb_pwr.h" +#include "usb_istr.h" + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +__IO uint16_t wIstr; /* ISTR register last read value */ +__IO uint8_t bIntPackSOF = 0; /* SOFs received between 2 consecutive packets */ +__IO uint32_t esof_counter =0; /* expected SOF counter */ +__IO uint32_t wCNTR=0; + +/* Extern variables ----------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ +/* function pointers to non-control endpoints service routines */ +void (*pEpInt_IN[7])(void) = + { + EP1_IN_Callback, + EP2_IN_Callback, + EP3_IN_Callback, + EP4_IN_Callback, + EP5_IN_Callback, + EP6_IN_Callback, + EP7_IN_Callback, + }; + +void (*pEpInt_OUT[7])(void) = + { + EP1_OUT_Callback, + EP2_OUT_Callback, + EP3_OUT_Callback, + EP4_OUT_Callback, + EP5_OUT_Callback, + EP6_OUT_Callback, + EP7_OUT_Callback, + }; + +/******************************************************************************* +* Function Name : USB_Istr +* Description : ISTR events interrupt service routine +* Input : +* Output : +* Return : +*******************************************************************************/ +void USB_Istr(void) +{ + uint32_t i=0; + __IO uint32_t EP[8]; + + wIstr = _GetISTR(); + +#if (IMR_MSK & ISTR_SOF) + if (wIstr & ISTR_SOF & wInterrupt_Mask) + { + _SetISTR((uint16_t)CLR_SOF); + bIntPackSOF++; + +#ifdef SOF_CALLBACK + SOF_Callback(); +#endif + } +#endif + /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ + +#if (IMR_MSK & ISTR_CTR) + if (wIstr & ISTR_CTR & wInterrupt_Mask) + { + /* servicing of the endpoint correct transfer interrupt */ + /* clear of the CTR flag into the sub */ + CTR_LP(); +#ifdef CTR_CALLBACK + CTR_Callback(); +#endif + } +#endif + /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ +#if (IMR_MSK & ISTR_RESET) + if (wIstr & ISTR_RESET & wInterrupt_Mask) + { + _SetISTR((uint16_t)CLR_RESET); + Device_Property.Reset(); +#ifdef RESET_CALLBACK + RESET_Callback(); +#endif + } +#endif + /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ +#if (IMR_MSK & ISTR_DOVR) + if (wIstr & ISTR_DOVR & wInterrupt_Mask) + { + _SetISTR((uint16_t)CLR_DOVR); +#ifdef DOVR_CALLBACK + DOVR_Callback(); +#endif + } +#endif + /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ +#if (IMR_MSK & ISTR_ERR) + if (wIstr & ISTR_ERR & wInterrupt_Mask) + { + _SetISTR((uint16_t)CLR_ERR); +#ifdef ERR_CALLBACK + ERR_Callback(); +#endif + } +#endif + /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ +#if (IMR_MSK & ISTR_WKUP) + if (wIstr & ISTR_WKUP & wInterrupt_Mask) + { + _SetISTR((uint16_t)CLR_WKUP); + Resume(RESUME_EXTERNAL); +#ifdef WKUP_CALLBACK + WKUP_Callback(); +#endif + } +#endif + /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ +#if (IMR_MSK & ISTR_SUSP) + if (wIstr & ISTR_SUSP & wInterrupt_Mask) + { + + /* check if SUSPEND is possible */ + if (fSuspendEnabled) + { + Suspend(); + } + else + { + /* if not possible then resume after xx ms */ + Resume(RESUME_LATER); + } + /* clear of the ISTR bit must be done after setting of CNTR_FSUSP */ + _SetISTR((uint16_t)CLR_SUSP); +#ifdef SUSP_CALLBACK + SUSP_Callback(); +#endif + } +#endif + /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ + +#if (IMR_MSK & ISTR_ESOF) + if (wIstr & ISTR_ESOF & wInterrupt_Mask) + { + /* clear ESOF flag in ISTR */ + _SetISTR((uint16_t)CLR_ESOF); + + if ((_GetFNR()&FNR_RXDP)!=0) + { + /* increment ESOF counter */ + esof_counter ++; + + /* test if we enter in ESOF more than 3 times with FSUSP =0 and RXDP =1=>> possible missing SUSP flag*/ + if ((esof_counter >3)&&((_GetCNTR()&CNTR_FSUSP)==0)) + { + /* this a sequence to apply a force RESET*/ + + /*Store CNTR value */ + wCNTR = _GetCNTR(); + + /*Store endpoints registers status */ + for (i=0;i<8;i++) EP[i] = _GetENDPOINT(i); + + /*apply FRES */ + wCNTR|=CNTR_FRES; + _SetCNTR(wCNTR); + + /*clear FRES*/ + wCNTR&=~CNTR_FRES; + _SetCNTR(wCNTR); + + /*poll for RESET flag in ISTR*/ + while((_GetISTR()&ISTR_RESET) == 0); + /* clear RESET flag in ISTR */ + _SetISTR((uint16_t)CLR_RESET); + + /*restore Enpoints*/ + for (i=0;i<8;i++) + _SetENDPOINT(i, EP[i]); + + esof_counter = 0; + } + } + else + { + esof_counter = 0; + } + + /* resume handling timing is made with ESOFs */ + Resume(RESUME_ESOF); /* request without change of the machine state */ + +#ifdef ESOF_CALLBACK + ESOF_Callback(); +#endif + } +#endif +} /* USB_Istr */ + + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/usb_istr.h b/usb_istr.h new file mode 100644 --- /dev/null +++ b/usb_istr.h @@ -0,0 +1,94 @@ +/** + ****************************************************************************** + * @file usb_istr.h + * @author MCD Application Team + * @version V4.0.0 + * @date 21-January-2013 + * @brief This file includes the peripherals header files in the user application. + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_ISTR_H +#define __USB_ISTR_H + +/* Includes ------------------------------------------------------------------*/ +#include "usb_conf.h" + +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ + + void USB_Istr(void); + +/* function prototypes Automatically built defining related macros */ + +void EP1_IN_Callback(void); +void EP2_IN_Callback(void); +void EP3_IN_Callback(void); +void EP4_IN_Callback(void); +void EP5_IN_Callback(void); +void EP6_IN_Callback(void); +void EP7_IN_Callback(void); + +void EP1_OUT_Callback(void); +void EP2_OUT_Callback(void); +void EP3_OUT_Callback(void); +void EP4_OUT_Callback(void); +void EP5_OUT_Callback(void); +void EP6_OUT_Callback(void); +void EP7_OUT_Callback(void); + +#ifdef CTR_CALLBACK +void CTR_Callback(void); +#endif + +#ifdef DOVR_CALLBACK +void DOVR_Callback(void); +#endif + +#ifdef ERR_CALLBACK +void ERR_Callback(void); +#endif + +#ifdef WKUP_CALLBACK +void WKUP_Callback(void); +#endif + +#ifdef SUSP_CALLBACK +void SUSP_Callback(void); +#endif + +#ifdef RESET_CALLBACK +void RESET_Callback(void); +#endif + +#ifdef SOF_CALLBACK +void SOF_Callback(void); +#endif + +#ifdef ESOF_CALLBACK +void ESOF_Callback(void); +#endif +#endif /*__USB_ISTR_H*/ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/usb_prop.c b/usb_prop.c new file mode 100644 --- /dev/null +++ b/usb_prop.c @@ -0,0 +1,414 @@ +/** + ****************************************************************************** + * @file usb_prop.c + * @author MCD Application Team + * @version V4.0.0 + * @date 21-January-2013 + * @brief All processing related to Virtual Com Port Demo + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Includes ------------------------------------------------------------------*/ +#include "usb_lib.h" +#include "usb_conf.h" +#include "usb_prop.h" +#include "usb_desc.h" +#include "usb_pwr.h" +#include "hw_config.h" + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +uint8_t Request = 0; + +LINE_CODING linecoding = + { + 115200, /* baud rate*/ + 0x00, /* stop bits-1*/ + 0x00, /* parity - none*/ + 0x08 /* no. of bits 8*/ + }; + +/* -------------------------------------------------------------------------- */ +/* Structures initializations */ +/* -------------------------------------------------------------------------- */ + +DEVICE Device_Table = + { + EP_NUM, + 1 + }; + +DEVICE_PROP Device_Property = + { + Virtual_Com_Port_init, + Virtual_Com_Port_Reset, + Virtual_Com_Port_Status_In, + Virtual_Com_Port_Status_Out, + Virtual_Com_Port_Data_Setup, + Virtual_Com_Port_NoData_Setup, + Virtual_Com_Port_Get_Interface_Setting, + Virtual_Com_Port_GetDeviceDescriptor, + Virtual_Com_Port_GetConfigDescriptor, + Virtual_Com_Port_GetStringDescriptor, + 0, + 0x40 /*MAX PACKET SIZE*/ + }; + +USER_STANDARD_REQUESTS User_Standard_Requests = + { + Virtual_Com_Port_GetConfiguration, + Virtual_Com_Port_SetConfiguration, + Virtual_Com_Port_GetInterface, + Virtual_Com_Port_SetInterface, + Virtual_Com_Port_GetStatus, + Virtual_Com_Port_ClearFeature, + Virtual_Com_Port_SetEndPointFeature, + Virtual_Com_Port_SetDeviceFeature, + Virtual_Com_Port_SetDeviceAddress + }; + +ONE_DESCRIPTOR Device_Descriptor = + { + (uint8_t*)Virtual_Com_Port_DeviceDescriptor, + VIRTUAL_COM_PORT_SIZ_DEVICE_DESC + }; + +ONE_DESCRIPTOR Config_Descriptor = + { + (uint8_t*)Virtual_Com_Port_ConfigDescriptor, + VIRTUAL_COM_PORT_SIZ_CONFIG_DESC + }; + +ONE_DESCRIPTOR String_Descriptor[4] = + { + {(uint8_t*)Virtual_Com_Port_StringLangID, VIRTUAL_COM_PORT_SIZ_STRING_LANGID}, + {(uint8_t*)Virtual_Com_Port_StringVendor, VIRTUAL_COM_PORT_SIZ_STRING_VENDOR}, + {(uint8_t*)Virtual_Com_Port_StringProduct, VIRTUAL_COM_PORT_SIZ_STRING_PRODUCT}, + {(uint8_t*)Virtual_Com_Port_StringSerial, VIRTUAL_COM_PORT_SIZ_STRING_SERIAL} + }; + +/* Extern variables ----------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Extern function prototypes ------------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ +/******************************************************************************* +* Function Name : Virtual_Com_Port_init. +* Description : Virtual COM Port Mouse init routine. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void Virtual_Com_Port_init(void) +{ + + /* Update the serial number string descriptor with the data from the unique + ID*/ + Get_SerialNum(); + + pInformation->Current_Configuration = 0; + + /* Connect the device */ + PowerOn(); + + /* Perform basic device initialization operations */ + USB_SIL_Init(); + + bDeviceState = UNCONNECTED; +} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_Reset +* Description : Virtual_Com_Port Mouse reset routine +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void Virtual_Com_Port_Reset(void) +{ + /* Set Virtual_Com_Port DEVICE as not configured */ + pInformation->Current_Configuration = 0; + + /* Current Feature initialization */ + pInformation->Current_Feature = Virtual_Com_Port_ConfigDescriptor[7]; + + /* Set Virtual_Com_Port DEVICE with the default Interface*/ + pInformation->Current_Interface = 0; + + SetBTABLE(BTABLE_ADDRESS); + + /* Initialize Endpoint 0 */ + SetEPType(ENDP0, EP_CONTROL); + SetEPTxStatus(ENDP0, EP_TX_STALL); + SetEPRxAddr(ENDP0, ENDP0_RXADDR); + SetEPTxAddr(ENDP0, ENDP0_TXADDR); + Clear_Status_Out(ENDP0); + SetEPRxCount(ENDP0, Device_Property.MaxPacketSize); + SetEPRxValid(ENDP0); + + /* Initialize Endpoint 1 */ + SetEPType(ENDP1, EP_BULK); + SetEPTxAddr(ENDP1, ENDP1_TXADDR); + SetEPTxStatus(ENDP1, EP_TX_NAK); + SetEPRxStatus(ENDP1, EP_RX_DIS); + + /* Initialize Endpoint 2 */ + SetEPType(ENDP2, EP_INTERRUPT); + SetEPTxAddr(ENDP2, ENDP2_TXADDR); + SetEPRxStatus(ENDP2, EP_RX_DIS); + SetEPTxStatus(ENDP2, EP_TX_NAK); + + /* Initialize Endpoint 3 */ + SetEPType(ENDP3, EP_BULK); + SetEPRxAddr(ENDP3, ENDP3_RXADDR); + SetEPRxCount(ENDP3, VIRTUAL_COM_PORT_DATA_SIZE); + SetEPRxStatus(ENDP3, EP_RX_VALID); + SetEPTxStatus(ENDP3, EP_TX_DIS); + + /* Set this device to response on default address */ + SetDeviceAddress(0); + + bDeviceState = ATTACHED; +} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_SetConfiguration. +* Description : Update the device state to configured. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void Virtual_Com_Port_SetConfiguration(void) +{ + DEVICE_INFO *pInfo = &Device_Info; + + if (pInfo->Current_Configuration != 0) + { + /* Device configured */ + bDeviceState = CONFIGURED; + } +} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_SetConfiguration. +* Description : Update the device state to addressed. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void Virtual_Com_Port_SetDeviceAddress (void) +{ + bDeviceState = ADDRESSED; +} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_Status_In. +* Description : Virtual COM Port Status In Routine. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void Virtual_Com_Port_Status_In(void) +{ + if (Request == SET_LINE_CODING) + { + Request = 0; + } +} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_Status_Out +* Description : Virtual COM Port Status OUT Routine. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void Virtual_Com_Port_Status_Out(void) +{} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_Data_Setup +* Description : handle the data class specific requests +* Input : Request Nb. +* Output : None. +* Return : USB_UNSUPPORT or USB_SUCCESS. +*******************************************************************************/ +RESULT Virtual_Com_Port_Data_Setup(uint8_t RequestNo) +{ + uint8_t *(*CopyRoutine)(uint16_t); + + CopyRoutine = NULL; + + if (RequestNo == GET_LINE_CODING) + { + if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT)) + { + CopyRoutine = Virtual_Com_Port_GetLineCoding; + } + } + else if (RequestNo == SET_LINE_CODING) + { + if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT)) + { + CopyRoutine = Virtual_Com_Port_SetLineCoding; + } + Request = SET_LINE_CODING; + } + + if (CopyRoutine == NULL) + { + return USB_UNSUPPORT; + } + + pInformation->Ctrl_Info.CopyData = CopyRoutine; + pInformation->Ctrl_Info.Usb_wOffset = 0; + (*CopyRoutine)(0); + return USB_SUCCESS; +} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_NoData_Setup. +* Description : handle the no data class specific requests. +* Input : Request Nb. +* Output : None. +* Return : USB_UNSUPPORT or USB_SUCCESS. +*******************************************************************************/ +RESULT Virtual_Com_Port_NoData_Setup(uint8_t RequestNo) +{ + + if (Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT)) + { + if (RequestNo == SET_COMM_FEATURE) + { + return USB_SUCCESS; + } + else if (RequestNo == SET_CONTROL_LINE_STATE) + { + return USB_SUCCESS; + } + } + + return USB_UNSUPPORT; +} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_GetDeviceDescriptor. +* Description : Gets the device descriptor. +* Input : Length. +* Output : None. +* Return : The address of the device descriptor. +*******************************************************************************/ +uint8_t *Virtual_Com_Port_GetDeviceDescriptor(uint16_t Length) +{ + return Standard_GetDescriptorData(Length, &Device_Descriptor); +} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_GetConfigDescriptor. +* Description : get the configuration descriptor. +* Input : Length. +* Output : None. +* Return : The address of the configuration descriptor. +*******************************************************************************/ +uint8_t *Virtual_Com_Port_GetConfigDescriptor(uint16_t Length) +{ + return Standard_GetDescriptorData(Length, &Config_Descriptor); +} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_GetStringDescriptor +* Description : Gets the string descriptors according to the needed index +* Input : Length. +* Output : None. +* Return : The address of the string descriptors. +*******************************************************************************/ +uint8_t *Virtual_Com_Port_GetStringDescriptor(uint16_t Length) +{ + uint8_t wValue0 = pInformation->USBwValue0; + if (wValue0 > 4) + { + return NULL; + } + else + { + return Standard_GetDescriptorData(Length, &String_Descriptor[wValue0]); + } +} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_Get_Interface_Setting. +* Description : test the interface and the alternate setting according to the +* supported one. +* Input1 : uint8_t: Interface : interface number. +* Input2 : uint8_t: AlternateSetting : Alternate Setting number. +* Output : None. +* Return : The address of the string descriptors. +*******************************************************************************/ +RESULT Virtual_Com_Port_Get_Interface_Setting(uint8_t Interface, uint8_t AlternateSetting) +{ + if (AlternateSetting > 0) + { + return USB_UNSUPPORT; + } + else if (Interface > 1) + { + return USB_UNSUPPORT; + } + return USB_SUCCESS; +} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_GetLineCoding. +* Description : send the linecoding structure to the PC host. +* Input : Length. +* Output : None. +* Return : Linecoding structure base address. +*******************************************************************************/ +uint8_t *Virtual_Com_Port_GetLineCoding(uint16_t Length) +{ + if (Length == 0) + { + pInformation->Ctrl_Info.Usb_wLength = sizeof(linecoding); + return NULL; + } + return(uint8_t *)&linecoding; +} + +/******************************************************************************* +* Function Name : Virtual_Com_Port_SetLineCoding. +* Description : Set the linecoding structure fields. +* Input : Length. +* Output : None. +* Return : Linecoding structure base address. +*******************************************************************************/ +uint8_t *Virtual_Com_Port_SetLineCoding(uint16_t Length) +{ + if (Length == 0) + { + pInformation->Ctrl_Info.Usb_wLength = sizeof(linecoding); + return NULL; + } + return(uint8_t *)&linecoding; +} + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + diff --git a/usb_prop.h b/usb_prop.h new file mode 100644 --- /dev/null +++ b/usb_prop.h @@ -0,0 +1,87 @@ +/** + ****************************************************************************** + * @file usb_prop.h + * @author MCD Application Team + * @version V4.0.0 + * @date 21-January-2013 + * @brief All processing related to Virtual COM Port Demo (Endpoint 0) + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __usb_prop_H +#define __usb_prop_H + +/* Includes ------------------------------------------------------------------*/ +/* Exported types ------------------------------------------------------------*/ +typedef struct +{ + uint32_t bitrate; + uint8_t format; + uint8_t paritytype; + uint8_t datatype; +}LINE_CODING; + +/* Exported constants --------------------------------------------------------*/ +/* Exported macro ------------------------------------------------------------*/ +/* Exported define -----------------------------------------------------------*/ + +#define Virtual_Com_Port_GetConfiguration NOP_Process +//#define Virtual_Com_Port_SetConfiguration NOP_Process +#define Virtual_Com_Port_GetInterface NOP_Process +#define Virtual_Com_Port_SetInterface NOP_Process +#define Virtual_Com_Port_GetStatus NOP_Process +#define Virtual_Com_Port_ClearFeature NOP_Process +#define Virtual_Com_Port_SetEndPointFeature NOP_Process +#define Virtual_Com_Port_SetDeviceFeature NOP_Process +//#define Virtual_Com_Port_SetDeviceAddress NOP_Process + +#define SEND_ENCAPSULATED_COMMAND 0x00 +#define GET_ENCAPSULATED_RESPONSE 0x01 +#define SET_COMM_FEATURE 0x02 +#define GET_COMM_FEATURE 0x03 +#define CLEAR_COMM_FEATURE 0x04 +#define SET_LINE_CODING 0x20 +#define GET_LINE_CODING 0x21 +#define SET_CONTROL_LINE_STATE 0x22 +#define SEND_BREAK 0x23 + +/* Exported functions ------------------------------------------------------- */ +void Virtual_Com_Port_init(void); +void Virtual_Com_Port_Reset(void); +void Virtual_Com_Port_SetConfiguration(void); +void Virtual_Com_Port_SetDeviceAddress (void); +void Virtual_Com_Port_Status_In (void); +void Virtual_Com_Port_Status_Out (void); +RESULT Virtual_Com_Port_Data_Setup(uint8_t); +RESULT Virtual_Com_Port_NoData_Setup(uint8_t); +RESULT Virtual_Com_Port_Get_Interface_Setting(uint8_t Interface, uint8_t AlternateSetting); +uint8_t *Virtual_Com_Port_GetDeviceDescriptor(uint16_t ); +uint8_t *Virtual_Com_Port_GetConfigDescriptor(uint16_t); +uint8_t *Virtual_Com_Port_GetStringDescriptor(uint16_t); + +uint8_t *Virtual_Com_Port_GetLineCoding(uint16_t Length); +uint8_t *Virtual_Com_Port_SetLineCoding(uint16_t Length); + +#endif /* __usb_prop_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ + diff --git a/usb_pwr.c b/usb_pwr.c new file mode 100644 --- /dev/null +++ b/usb_pwr.c @@ -0,0 +1,318 @@ +/** + ****************************************************************************** + * @file usb_pwr.c + * @author MCD Application Team + * @version V4.0.0 + * @date 21-January-2013 + * @brief Connection/disconnection & power management + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Includes ------------------------------------------------------------------*/ +#include "usb_lib.h" +#include "usb_conf.h" +#include "usb_pwr.h" +#include "hw_config.h" + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +__IO uint32_t bDeviceState = UNCONNECTED; /* USB device status */ +__IO bool fSuspendEnabled = TRUE; /* true when suspend is possible */ +__IO uint32_t EP[8]; + +struct +{ + __IO RESUME_STATE eState; + __IO uint8_t bESOFcnt; +} +ResumeS; + +__IO uint32_t remotewakeupon=0; + +/* Extern variables ----------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Extern function prototypes ------------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/******************************************************************************* +* Function Name : PowerOn +* Description : +* Input : None. +* Output : None. +* Return : USB_SUCCESS. +*******************************************************************************/ +RESULT PowerOn(void) +{ + uint16_t wRegVal; + + /*** cable plugged-in ? ***/ + USB_Cable_Config(ENABLE); + + /*** CNTR_PWDN = 0 ***/ + wRegVal = CNTR_FRES; + _SetCNTR(wRegVal); + + /*** CNTR_FRES = 0 ***/ + wInterrupt_Mask = 0; + _SetCNTR(wInterrupt_Mask); + /*** Clear pending interrupts ***/ + _SetISTR(0); + /*** Set interrupt mask ***/ + wInterrupt_Mask = CNTR_RESETM | CNTR_SUSPM | CNTR_WKUPM; + _SetCNTR(wInterrupt_Mask); + + return USB_SUCCESS; +} + +/******************************************************************************* +* Function Name : PowerOff +* Description : handles switch-off conditions +* Input : None. +* Output : None. +* Return : USB_SUCCESS. +*******************************************************************************/ +RESULT PowerOff() +{ + /* disable all interrupts and force USB reset */ + _SetCNTR(CNTR_FRES); + /* clear interrupt status register */ + _SetISTR(0); + /* Disable the Pull-Up*/ + USB_Cable_Config(DISABLE); + /* switch-off device */ + _SetCNTR(CNTR_FRES + CNTR_PDWN); + /* sw variables reset */ + /* ... */ + + return USB_SUCCESS; +} + +/******************************************************************************* +* Function Name : Suspend +* Description : sets suspend mode operating conditions +* Input : None. +* Output : None. +* Return : USB_SUCCESS. +*******************************************************************************/ +void Suspend(void) +{ + uint32_t i =0; + uint16_t wCNTR; + uint32_t tmpreg = 0; + __IO uint32_t savePWR_CR=0; + /* suspend preparation */ + /* ... */ + + /*Store CNTR value */ + wCNTR = _GetCNTR(); + + /* This a sequence to apply a force RESET to handle a robustness case */ + + /*Store endpoints registers status */ + for (i=0;i<8;i++) EP[i] = _GetENDPOINT(i); + + /* unmask RESET flag */ + wCNTR|=CNTR_RESETM; + _SetCNTR(wCNTR); + + /*apply FRES */ + wCNTR|=CNTR_FRES; + _SetCNTR(wCNTR); + + /*clear FRES*/ + wCNTR&=~CNTR_FRES; + _SetCNTR(wCNTR); + + /*poll for RESET flag in ISTR*/ + while((_GetISTR()&ISTR_RESET) == 0); + + /* clear RESET flag in ISTR */ + _SetISTR((uint16_t)CLR_RESET); + + /*restore Enpoints*/ + for (i=0;i<8;i++) + _SetENDPOINT(i, EP[i]); + + /* Now it is safe to enter macrocell in suspend mode */ + wCNTR |= CNTR_FSUSP; + _SetCNTR(wCNTR); + + /* force low-power mode in the macrocell */ + wCNTR = _GetCNTR(); + wCNTR |= CNTR_LPMODE; + _SetCNTR(wCNTR); + + /*prepare entry in low power mode (STOP mode)*/ + /* Select the regulator state in STOP mode*/ + savePWR_CR = PWR->CR; + tmpreg = PWR->CR; + /* Clear PDDS and LPDS bits */ + tmpreg &= ((uint32_t)0xFFFFFFFC); + /* Set LPDS bit according to PWR_Regulator value */ + tmpreg |= PWR_Regulator_LowPower; + /* Store the new value */ + PWR->CR = tmpreg; + /* Set SLEEPDEEP bit of Cortex System Control Register */ +#if defined (STM32F30X) || defined (STM32F37X) + SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk; +#else + SCB->SCR |= SCB_SCR_SLEEPDEEP; +#endif + /* enter system in STOP mode, only when wakeup flag in not set */ + if((_GetISTR()&ISTR_WKUP)==0) + { + __WFI(); + /* Reset SLEEPDEEP bit of Cortex System Control Register */ +#if defined (STM32F30X) || defined (STM32F37X) + SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP_Msk); +#else + SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP); +#endif + } + else + { + /* Clear Wakeup flag */ + _SetISTR(CLR_WKUP); + /* clear FSUSP to abort entry in suspend mode */ + wCNTR = _GetCNTR(); + wCNTR&=~CNTR_FSUSP; + _SetCNTR(wCNTR); + + /*restore sleep mode configuration */ + /* restore Power regulator config in sleep mode*/ + PWR->CR = savePWR_CR; + + /* Reset SLEEPDEEP bit of Cortex System Control Register */ +#if defined (STM32F30X) || defined (STM32F37X) + SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP_Msk); +#else + SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP); +#endif + + } +} + +/******************************************************************************* +* Function Name : Resume_Init +* Description : Handles wake-up restoring normal operations +* Input : None. +* Output : None. +* Return : USB_SUCCESS. +*******************************************************************************/ +void Resume_Init(void) +{ + uint16_t wCNTR; + + /* ------------------ ONLY WITH BUS-POWERED DEVICES ---------------------- */ + /* restart the clocks */ + /* ... */ + + /* CNTR_LPMODE = 0 */ + wCNTR = _GetCNTR(); + wCNTR &= (~CNTR_LPMODE); + _SetCNTR(wCNTR); + + /* restore full power */ + /* ... on connected devices */ + Leave_LowPowerMode(); + + /* reset FSUSP bit */ + _SetCNTR(IMR_MSK); + + /* reverse suspend preparation */ + /* ... */ + +} + +/******************************************************************************* +* Function Name : Resume +* Description : This is the state machine handling resume operations and +* timing sequence. The control is based on the Resume structure +* variables and on the ESOF interrupt calling this subroutine +* without changing machine state. +* Input : a state machine value (RESUME_STATE) +* RESUME_ESOF doesn't change ResumeS.eState allowing +* decrementing of the ESOF counter in different states. +* Output : None. +* Return : None. +*******************************************************************************/ +void Resume(RESUME_STATE eResumeSetVal) +{ + uint16_t wCNTR; + + if (eResumeSetVal != RESUME_ESOF) + ResumeS.eState = eResumeSetVal; + switch (ResumeS.eState) + { + case RESUME_EXTERNAL: + if (remotewakeupon ==0) + { + Resume_Init(); + ResumeS.eState = RESUME_OFF; + } + else /* RESUME detected during the RemoteWAkeup signalling => keep RemoteWakeup handling*/ + { + ResumeS.eState = RESUME_ON; + } + break; + case RESUME_INTERNAL: + Resume_Init(); + ResumeS.eState = RESUME_START; + remotewakeupon = 1; + break; + case RESUME_LATER: + ResumeS.bESOFcnt = 2; + ResumeS.eState = RESUME_WAIT; + break; + case RESUME_WAIT: + ResumeS.bESOFcnt--; + if (ResumeS.bESOFcnt == 0) + ResumeS.eState = RESUME_START; + break; + case RESUME_START: + wCNTR = _GetCNTR(); + wCNTR |= CNTR_RESUME; + _SetCNTR(wCNTR); + ResumeS.eState = RESUME_ON; + ResumeS.bESOFcnt = 10; + break; + case RESUME_ON: + ResumeS.bESOFcnt--; + if (ResumeS.bESOFcnt == 0) + { + wCNTR = _GetCNTR(); + wCNTR &= (~CNTR_RESUME); + _SetCNTR(wCNTR); + ResumeS.eState = RESUME_OFF; + remotewakeupon = 0; + } + break; + case RESUME_OFF: + case RESUME_ESOF: + default: + ResumeS.eState = RESUME_OFF; + break; + } +} + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/usb_pwr.h b/usb_pwr.h new file mode 100644 --- /dev/null +++ b/usb_pwr.h @@ -0,0 +1,72 @@ +/** + ****************************************************************************** + * @file usb_pwr.h + * @author MCD Application Team + * @version V4.0.0 + * @date 21-January-2013 + * @brief Connection/disconnection & power management header + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __USB_PWR_H +#define __USB_PWR_H + +/* Includes ------------------------------------------------------------------*/ +/* Exported types ------------------------------------------------------------*/ +typedef enum _RESUME_STATE +{ + RESUME_EXTERNAL, + RESUME_INTERNAL, + RESUME_LATER, + RESUME_WAIT, + RESUME_START, + RESUME_ON, + RESUME_OFF, + RESUME_ESOF +} RESUME_STATE; + +typedef enum _DEVICE_STATE +{ + UNCONNECTED, + ATTACHED, + POWERED, + SUSPENDED, + ADDRESSED, + CONFIGURED +} DEVICE_STATE; + +/* Exported constants --------------------------------------------------------*/ +/* Exported macro ------------------------------------------------------------*/ +/* Exported functions ------------------------------------------------------- */ +void Suspend(void); +void Resume_Init(void); +void Resume(RESUME_STATE eResumeSetVal); +RESULT PowerOn(void); +RESULT PowerOff(void); + +/* External variables --------------------------------------------------------*/ +extern __IO uint32_t bDeviceState; /* USB device status */ +extern __IO bool fSuspendEnabled; /* true when suspend is possible */ + +#endif /*__USB_PWR_H*/ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/