STM32F0xx Standard Peripherals Firmware Library: stm32f0xx_it.c Source File

00001 /**
00002   ******************************************************************************
00003   * @file    USART/USART_WakeUpFromStop/stm32f0xx_it.c 
00004   * @author  MCD Application Team
00005   * @version V1.4.0
00006   * @date    24-July-2014
00007   * @brief   Main Interrupt Service Routines.
00008   *          This file provides template for all exceptions handler and 
00009   *          peripherals interrupt service routine.
00010   ******************************************************************************
00011   * @attention
00012   *
00013   * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
00014   *
00015   * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
00016   * You may not use this file except in compliance with the License.
00017   * You may obtain a copy of the License at:
00018   *
00019   *        http://www.st.com/software_license_agreement_liberty_v2
00020   *
00021   * Unless required by applicable law or agreed to in writing, software 
00022   * distributed under the License is distributed on an "AS IS" BASIS, 
00023   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00024   * See the License for the specific language governing permissions and
00025   * limitations under the License.
00026   *
00027   ******************************************************************************
00028   */
00029 
00030 /* Includes ------------------------------------------------------------------*/
00031 #include "stm32f0xx_it.h"
00032 
00033 /** @addtogroup STM32F0xx_StdPeriph_Examples
00034   * @{
00035   */
00036 
00037 /** @addtogroup USART_WakeUpFromStop
00038   * @{
00039   */
00040 
00041 /* Private typedef -----------------------------------------------------------*/
00042 /* Private define ------------------------------------------------------------*/
00043 /* Private macro -------------------------------------------------------------*/
00044 /* Private variables ---------------------------------------------------------*/
00045 __IO uint8_t InterruptCounter = 0x00;
00046 __IO uint8_t Counter = 0;
00047 
00048 /* Private function prototypes -----------------------------------------------*/
00049 /* Private functions ---------------------------------------------------------*/
00050 
00051 /******************************************************************************/
00052 /*            Cortex-M0 Processor Exceptions Handlers                         */
00053 /******************************************************************************/
00054 
00055 /**
00056   * @brief  This function handles NMI exception.
00057   * @param  None
00058   * @retval None
00059   */
00060 void NMI_Handler(void)
00061 {
00062 }
00063 
00064 /**
00065   * @brief  This function handles Hard Fault exception.
00066   * @param  None
00067   * @retval None
00068   */
00069 void HardFault_Handler(void)
00070 {
00071   /* Go to infinite loop when Hard Fault exception occurs */
00072   while (1)
00073   {
00074   }
00075 }
00076 
00077 /**
00078   * @brief  This function handles SVCall exception.
00079   * @param  None
00080   * @retval None
00081   */
00082 void SVC_Handler(void)
00083 {
00084 }
00085 
00086 /**
00087   * @brief  This function handles PendSVC exception.
00088   * @param  None
00089   * @retval None
00090   */
00091 void PendSV_Handler(void)
00092 {
00093 }
00094 
00095 /**
00096   * @brief  This function handles SysTick Handler.
00097   * @param  None
00098   * @retval None
00099   */
00100 void SysTick_Handler(void)
00101 {  
00102   if (Counter == 20)
00103   {
00104     /* Toggle LED's */
00105     STM_EVAL_LEDToggle(LED1);
00106     STM_EVAL_LEDToggle(LED2);
00107     STM_EVAL_LEDToggle(LED3);
00108     STM_EVAL_LEDToggle(LED4);  
00109     
00110     /* Reset Counter */
00111     Counter = 0;
00112   }
00113   else
00114   {
00115     /* increment Counter */
00116     Counter++; 
00117   }
00118 }
00119 
00120 /******************************************************************************/
00121 /*                 STM32F0xx Peripherals Interrupt Handlers                   */
00122 /*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
00123 /*  available peripheral interrupt handler's name please refer to the startup */
00124 /*  file (startup_stm32f0xx.s).                                               */
00125 /******************************************************************************/
00126 
00127 /**
00128   * @brief  This function handles PPP interrupt request.
00129   * @param  None
00130   * @retval None
00131   */
00132 /*void PPP_IRQHandler(void)
00133 {
00134 }*/
00135 
00136 /**
00137 * @brief  This function handles USART interrupt request.
00138 * @param  None
00139 * @retval None
00140 */
00141 #ifdef USE_STM320518_EVAL
00142 void USART1_IRQHandler(void)
00143 {
00144   if (USART_GetITStatus(USART1, USART_IT_WU) == SET)
00145   { 
00146     /* Clear The USART WU flag */  
00147     USART_ClearITPendingBit(USART1, USART_IT_WU);
00148     InterruptCounter = 0x01;
00149   }
00150 }
00151 #else 
00152 void USART2_IRQHandler(void)
00153 {
00154   if (USART_GetITStatus(USART2, USART_IT_WU) == SET)
00155   { 
00156     /* Clear The USART WU flag */  
00157     USART_ClearITPendingBit(USART2, USART_IT_WU);
00158     InterruptCounter = 0x01;
00159   }
00160 }
00161 #endif /* USE_STM320518_EVAL */
00162 
00163 
00164 /**
00165   * @}
00166   */
00167 
00168 /**
00169   * @}
00170   */
00171 
00172 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/