src/main/vcp/stm32_it.c

   1 /**
   2  ******************************************************************************
   3  * @file    stm32_it.c
   4  * @author  MCD Application Team
   5  * @version V4.0.0
   6  * @date    21-January-2013
   7  * @brief   Main Interrupt Service Routines.
   8  *          This file provides template for all exceptions handler and peripherals
   9  *          interrupt service routine.
  10  ******************************************************************************
  11  * @attention
  12  *
  13  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
  14  *
  15  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  16  * You may not use this file except in compliance with the License.
  17  * You may obtain a copy of the License at:
  18  *
  19  *        http://www.st.com/software_license_agreement_liberty_v2
  20  *
  21  * Unless required by applicable law or agreed to in writing, software
  22  * distributed under the License is distributed on an "AS IS" BASIS,
  23  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  24  * See the License for the specific language governing permissions and
  25  * limitations under the License.
  26  *
  27  ******************************************************************************
  28  */
  29
  30 /* Includes ------------------------------------------------------------------*/
  31
  32 #include "platform.h"
  33
  34 #include "hw_config.h"
  35 #include "stm32_it.h"
  36 #include "usb_lib.h"
  37 #include "vcp/usb_istr.h"
  38
  39 /* Private typedef -----------------------------------------------------------*/
  40 /* Private define ------------------------------------------------------------*/
  41 /* Private macro -------------------------------------------------------------*/
  42 /* Private variables ---------------------------------------------------------*/
  43 /* Private function prototypes -----------------------------------------------*/
  44 /* Private functions ---------------------------------------------------------*/
  45 /******************************************************************************/
  46 /*            Cortex-M Processor Exceptions Handlers                         */
  47 /******************************************************************************/
  48
  49 /*******************************************************************************
  50  * Function Name  : NMI_Handler
  51  * Description    : This function handles NMI exception.
  52  * Input          : None
  53  * Output         : None
  54  * Return         : None
  55  *******************************************************************************/
  56 void NMI_Handler(void)
  57 {
  58 }
  59
  60
  61
  62 /*******************************************************************************
  63  * Function Name  : MemManage_Handler
  64  * Description    : This function handles Memory Manage exception.
  65  * Input          : None
  66  * Output         : None
  67  * Return         : None
  68  *******************************************************************************/
  69 void MemManage_Handler(void)
  70 {
  71     /* Go to infinite loop when Memory Manage exception occurs */
  72     while (1) {
  73     }
  74 }
  75
  76 /*******************************************************************************
  77  * Function Name  : BusFault_Handler
  78  * Description    : This function handles Bus Fault exception.
  79  * Input          : None
  80  * Output         : None
  81  * Return         : None
  82  *******************************************************************************/
  83 void BusFault_Handler(void)
  84 {
  85     /* Go to infinite loop when Bus Fault exception occurs */
  86     while (1) {
  87     }
  88 }
  89
  90 /*******************************************************************************
  91  * Function Name  : UsageFault_Handler
  92  * Description    : This function handles Usage Fault exception.
  93  * Input          : None
  94  * Output         : None
  95  * Return         : None
  96  *******************************************************************************/
  97 void UsageFault_Handler(void)
  98 {
  99     /* Go to infinite loop when Usage Fault exception occurs */
 100     while (1) {
 101     }
 102 }
 103
 104 /*******************************************************************************
 105  * Function Name  : SVC_Handler
 106  * Description    : This function handles SVCall exception.
 107  * Input          : None
 108  * Output         : None
 109  * Return         : None
 110  *******************************************************************************/
 111 void SVC_Handler(void)
 112 {
 113 }
 114
 115 /*******************************************************************************
 116  * Function Name  : DebugMon_Handler
 117  * Description    : This function handles Debug Monitor exception.
 118  * Input          : None
 119  * Output         : None
 120  * Return         : None
 121  *******************************************************************************/
 122 void DebugMon_Handler(void)
 123 {
 124 }
 125
 126 /*******************************************************************************
 127  * Function Name  : PendSV_Handler
 128  * Description    : This function handles PendSVC exception.
 129  * Input          : None
 130  * Output         : None
 131  * Return         : None
 132  *******************************************************************************/
 133 void PendSV_Handler(void)
 134 {
 135 }
 136
 137
 138 /*******************************************************************************
 139  * Function Name  : USB_IRQHandler
 140  * Description    : This function handles USB Low Priority interrupts
 141  *                  requests.
 142  * Input          : None
 143  * Output         : None
 144  * Return         : None
 145  *******************************************************************************/
 146 #if defined(STM32L1XX_MD) || defined(STM32L1XX_HD)|| defined(STM32L1XX_MD_PLUS)|| defined (STM32F37X)
 147 void USB_LP_IRQHandler(void)
 148 #else
 149 void USB_LP_CAN1_RX0_IRQHandler(void)
 150 #endif
 151 {
 152     USB_Istr();
 153 }
 154
 155 /*******************************************************************************
 156  * Function Name  : USB_FS_WKUP_IRQHandler
 157  * Description    : This function handles USB WakeUp interrupt request.
 158  * Input          : None
 159  * Output         : None
 160  * Return         : None
 161  *******************************************************************************/
 162
 163 #if defined(STM32L1XX_MD) || defined(STM32L1XX_HD)|| defined(STM32L1XX_MD_PLUS)
 164 void USB_FS_WKUP_IRQHandler(void)
 165 #else
 166 void USBWakeUp_IRQHandler(void)
 167 #endif
 168 {
 169     EXTI_ClearITPendingBit(EXTI_Line18);
 170 }