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 #include "hw_config.h"
  32 #include "stm32_it.h"
  33 #include "usb_lib.h"
  34 #include "vcp/usb_istr.h"
  35
  36 /* Private typedef -----------------------------------------------------------*/
  37 /* Private define ------------------------------------------------------------*/
  38 /* Private macro -------------------------------------------------------------*/
  39 /* Private variables ---------------------------------------------------------*/
  40 /* Private function prototypes -----------------------------------------------*/
  41 /* Private functions ---------------------------------------------------------*/
  42 /******************************************************************************/
  43 /*            Cortex-M Processor Exceptions Handlers                         */
  44 /******************************************************************************/
  45
  46 /*******************************************************************************
  47  * Function Name  : NMI_Handler
  48  * Description    : This function handles NMI exception.
  49  * Input          : None
  50  * Output         : None
  51  * Return         : None
  52  *******************************************************************************/
  53 void NMI_Handler(void)
  54 {
  55 }
  56
  57
  58
  59 /*******************************************************************************
  60  * Function Name  : MemManage_Handler
  61  * Description    : This function handles Memory Manage exception.
  62  * Input          : None
  63  * Output         : None
  64  * Return         : None
  65  *******************************************************************************/
  66 void MemManage_Handler(void)
  67 {
  68     /* Go to infinite loop when Memory Manage exception occurs */
  69     while (1) {
  70     }
  71 }
  72
  73 /*******************************************************************************
  74  * Function Name  : BusFault_Handler
  75  * Description    : This function handles Bus Fault exception.
  76  * Input          : None
  77  * Output         : None
  78  * Return         : None
  79  *******************************************************************************/
  80 void BusFault_Handler(void)
  81 {
  82     /* Go to infinite loop when Bus Fault exception occurs */
  83     while (1) {
  84     }
  85 }
  86
  87 /*******************************************************************************
  88  * Function Name  : UsageFault_Handler
  89  * Description    : This function handles Usage Fault exception.
  90  * Input          : None
  91  * Output         : None
  92  * Return         : None
  93  *******************************************************************************/
  94 void UsageFault_Handler(void)
  95 {
  96     /* Go to infinite loop when Usage Fault exception occurs */
  97     while (1) {
  98     }
  99 }
 100
 101 /*******************************************************************************
 102  * Function Name  : SVC_Handler
 103  * Description    : This function handles SVCall exception.
 104  * Input          : None
 105  * Output         : None
 106  * Return         : None
 107  *******************************************************************************/
 108 void SVC_Handler(void)
 109 {
 110 }
 111
 112 /*******************************************************************************
 113  * Function Name  : DebugMon_Handler
 114  * Description    : This function handles Debug Monitor exception.
 115  * Input          : None
 116  * Output         : None
 117  * Return         : None
 118  *******************************************************************************/
 119 void DebugMon_Handler(void)
 120 {
 121 }
 122
 123 /*******************************************************************************
 124  * Function Name  : PendSV_Handler
 125  * Description    : This function handles PendSVC exception.
 126  * Input          : None
 127  * Output         : None
 128  * Return         : None
 129  *******************************************************************************/
 130 void PendSV_Handler(void)
 131 {
 132 }
 133
 134
 135 /*******************************************************************************
 136  * Function Name  : USB_IRQHandler
 137  * Description    : This function handles USB Low Priority interrupts
 138  *                  requests.
 139  * Input          : None
 140  * Output         : None
 141  * Return         : None
 142  *******************************************************************************/
 143 #if defined(STM32L1XX_MD) || defined(STM32L1XX_HD)|| defined(STM32L1XX_MD_PLUS)
 144 void USB_LP_IRQHandler(void)
 145 #else
 146 void USB_LP_CAN1_RX0_IRQHandler(void)
 147 #endif
 148 {
 149     USB_Istr();
 150 }
 151
 152 /*******************************************************************************
 153  * Function Name  : USB_FS_WKUP_IRQHandler
 154  * Description    : This function handles USB WakeUp interrupt request.
 155  * Input          : None
 156  * Output         : None
 157  * Return         : None
 158  *******************************************************************************/
 159
 160 #if defined(STM32L1XX_MD) || defined(STM32L1XX_HD)|| defined(STM32L1XX_MD_PLUS)
 161 void USB_FS_WKUP_IRQHandler(void)
 162 #else
 163 void USBWakeUp_IRQHandler(void)
 164 #endif
 165 {
 166     EXTI_ClearITPendingBit(EXTI_Line18);
 167 }