diff --git a/hw_config.c b/hw_config.c new file mode 100644 --- /dev/null +++ b/hw_config.c @@ -0,0 +1,400 @@ +/** + ****************************************************************************** + * @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****/ +