STM32F0xx Standard Peripherals Firmware Library: stm32f0xx_it.c Source File

00001 /**
00002   ******************************************************************************
00003   * @file    RTC/RTC_Tamper/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 RTC_Tamper
00038   * @{
00039   */
00040 
00041 /* Private typedef -----------------------------------------------------------*/
00042 /* Private define ------------------------------------------------------------*/
00043 /* Private macro -------------------------------------------------------------*/
00044 /* Private variables ---------------------------------------------------------*/
00045 /* Private function prototypes -----------------------------------------------*/
00046 /* Private functions ---------------------------------------------------------*/
00047 
00048 /******************************************************************************/
00049 /*            Cortex-M0 Processor Exceptions Handlers                         */
00050 /******************************************************************************/
00051 
00052 /**
00053   * @brief  This function handles NMI exception.
00054   * @param  None
00055   * @retval None
00056   */
00057 void NMI_Handler(void)
00058 {
00059 }
00060 
00061 /**
00062   * @brief  This function handles Hard Fault exception.
00063   * @param  None
00064   * @retval None
00065   */
00066 void HardFault_Handler(void)
00067 {
00068   /* Go to infinite loop when Hard Fault exception occurs */
00069   while (1)
00070   {
00071   }
00072 }
00073 
00074 /**
00075   * @brief  This function handles SVCall exception.
00076   * @param  None
00077   * @retval None
00078   */
00079 void SVC_Handler(void)
00080 {
00081 }
00082 
00083 /**
00084   * @brief  This function handles PendSVC exception.
00085   * @param  None
00086   * @retval None
00087   */
00088 void PendSV_Handler(void)
00089 {
00090 }
00091 
00092 /**
00093   * @brief  This function handles SysTick Handler.
00094   * @param  None
00095   * @retval None
00096   */
00097 void SysTick_Handler(void)
00098 {
00099 }
00100 
00101 /******************************************************************************/
00102 /*                 STM32F0xx Peripherals Interrupt Handlers                   */
00103 /******************************************************************************/
00104 /**
00105   * @brief  This function handles RTC interrupt request. 
00106   * @param  None
00107   * @retval None
00108   */
00109 void RTC_IRQHandler(void)
00110 {
00111   if(RTC_GetFlagStatus(RTC_FLAG_TAMP1F) != RESET)
00112   { 
00113     /* Tamper 1 detection event occurred */
00114     /* Check if RTC Backup Data registers are cleared */
00115     if(IsBackupRegReset() == 0)
00116     {
00117       /* OK, RTC Backup Data registers are reset as expected */
00118       /* Turn on LED2 */
00119       STM_EVAL_LEDToggle(LED2);            
00120     }
00121     else
00122     {
00123       /* RTC Backup Data registers are not reset */
00124       /* Turn on LED4 */
00125       STM_EVAL_LEDToggle(LED4);
00126     }
00127     
00128     /* Clear Tamper 1 pin Event(TAMP1F) pending flag */
00129     RTC_ClearFlag(RTC_FLAG_TAMP1F);
00130 
00131     /* Disable Tamper pin 1 */
00132     RTC_TamperCmd(RTC_Tamper_1, DISABLE);
00133     
00134     /* Enable Tamper pin */
00135     RTC_TamperCmd(RTC_Tamper_1, ENABLE); 
00136   }
00137 }
00138 /******************************************************************************/
00139 /*                 STM32F0xx Peripherals Interrupt Handlers                   */
00140 /*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
00141 /*  available peripheral interrupt handler's name please refer to the startup */
00142 /*  file (startup_stm32f0xx.s).                                               */
00143 /******************************************************************************/
00144 
00145 /**
00146   * @brief  This function handles PPP interrupt request.
00147   * @param  None
00148   * @retval None
00149   */
00150 /*void PPP_IRQHandler(void)
00151 {
00152 }*/
00153 
00154 /**
00155   * @}
00156   */
00157 
00158 /**
00159   * @}
00160   */
00161 
00162 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/