STM32F0xx Standard Peripherals Firmware Library: stm32f0xx_it.c Source File

00001 /**
00002   ******************************************************************************
00003   * @file    RTC/RTC_Timer/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_Timer
00038   * @{
00039   */
00040 
00041 /* Private typedef -----------------------------------------------------------*/
00042 /* Private define ------------------------------------------------------------*/
00043 /* Private macro -------------------------------------------------------------*/
00044 /* Private variables ---------------------------------------------------------*/
00045 extern __IO uint8_t ALARM_Occured;
00046 
00047 /* Private function prototypes -----------------------------------------------*/
00048 /* Private functions ---------------------------------------------------------*/
00049 
00050 /******************************************************************************/
00051 /*            Cortex-M0 Processor Exceptions Handlers                         */
00052 /******************************************************************************/
00053 
00054 /**
00055   * @brief   This function handles NMI exception.
00056   * @param  None
00057   * @retval None
00058   */
00059 void NMI_Handler(void)
00060 {
00061 }
00062 
00063 /**
00064   * @brief  This function handles Hard Fault exception.
00065   * @param  None
00066   * @retval None
00067   */
00068 void HardFault_Handler(void)
00069 {
00070   /* Go to infinite loop when Hard Fault exception occurs */
00071   while (1)
00072   {
00073   }
00074 }
00075 
00076 /**
00077   * @brief  This function handles Memory Manage exception.
00078   * @param  None
00079   * @retval None
00080   */
00081 void MemManage_Handler(void)
00082 {
00083   /* Go to infinite loop when Memory Manage exception occurs */
00084   while (1)
00085   {
00086   }
00087 }
00088 
00089 /**
00090   * @brief  This function handles Bus Fault exception.
00091   * @param  None
00092   * @retval None
00093   */
00094 void BusFault_Handler(void)
00095 {
00096   /* Go to infinite loop when Bus Fault exception occurs */
00097   while (1)
00098   {
00099   }
00100 }
00101 
00102 /**
00103   * @brief  This function handles Usage Fault exception.
00104   * @param  None
00105   * @retval None
00106   */
00107 void UsageFault_Handler(void)
00108 {
00109   /* Go to infinite loop when Usage Fault exception occurs */
00110   while (1)
00111   {
00112   }
00113 }
00114 
00115 /**
00116   * @brief  This function handles SVCall exception.
00117   * @param  None
00118   * @retval None
00119   */
00120 void SVC_Handler(void)
00121 {
00122 }
00123 
00124 /**
00125   * @brief  This function handles Debug Monitor exception.
00126   * @param  None
00127   * @retval None
00128   */
00129 void DebugMon_Handler(void)
00130 {
00131 }
00132 
00133 /**
00134   * @brief  This function handles PendSVC exception.
00135   * @param  None
00136   * @retval None
00137   */
00138 void PendSV_Handler(void)
00139 {
00140 }
00141 
00142 /**
00143   * @brief  This function handles SysTick Handler.
00144   * @param  None
00145   * @retval None
00146   */
00147 void SysTick_Handler(void)
00148 {
00149 }
00150 
00151 /******************************************************************************/
00152 /*                 STM32F0xx Peripherals Interrupt Handlers                   */
00153 /******************************************************************************/
00154 /**
00155   * @brief  This function handles External line 10 to 15 interrupts request.
00156   * @param  None
00157   * @retval None
00158   */
00159 void EXTI4_15_IRQHandler(void)
00160 {
00161   if((EXTI_GetITStatus(TAMPER_BUTTON_EXTI_LINE) != RESET))
00162   {
00163     /* Disable the RTC Clock */
00164     RCC_RTCCLKCmd(DISABLE);
00165     
00166     /* Wait for RTC APB registers synchronisation */
00167     RTC_WaitForSynchro();
00168     
00169     /* Clear the TAMPER EXTI pending bit */
00170     EXTI_ClearITPendingBit(TAMPER_BUTTON_EXTI_LINE);  
00171   }
00172 }
00173 
00174 /**
00175   * @brief  This function handles External line 0 interrupt request.
00176   * @param  None
00177   * @retval None
00178   */
00179 void EXTI0_1_IRQHandler(void)
00180 {
00181   if((EXTI_GetITStatus(SEL_BUTTON_EXTI_LINE) != RESET))
00182   {
00183     /* Set the LCD Back Color */
00184     LCD_SetBackColor(White);
00185     
00186     /* Enable the RTC Clock */
00187     RCC_RTCCLKCmd(ENABLE);
00188     
00189     /* Wait for RTC APB registers synchronisation */
00190     RTC_WaitForSynchro();
00191     
00192     /* Enable the alarmA */
00193     RTC_AlarmCmd(RTC_Alarm_A, ENABLE);
00194     
00195     /* Clear the WAKEUP EXTI  pending bit */
00196     EXTI_ClearITPendingBit(SEL_BUTTON_EXTI_LINE);  
00197   }
00198 
00199 }
00200 
00201 /**
00202   * @brief  This function handles RTC Alarm interrupt (A and B) request.
00203   * @param  None
00204   * @retval None
00205   */
00206 void RTC_IRQHandler(void)
00207 {
00208   /* Check on the AlarmA flag and on the number of interrupts per Second (60*8) */
00209   if(RTC_GetITStatus(RTC_IT_ALRA) != RESET) 
00210   { 
00211     /* ALARM is enabled */
00212     ALARM_Occured = 1;
00213     
00214     /* Clear RTC AlarmA Flags */
00215     RTC_ClearITPendingBit(RTC_IT_ALRA);
00216   }
00217   /* Clear the EXTIL line 17 */
00218   EXTI_ClearITPendingBit(EXTI_Line17);
00219   
00220 }
00221 
00222 /**
00223   * @}
00224   */
00225 
00226 /**
00227   * @}
00228   */
00229 
00230 
00231 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/