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****/