STM32F0xx_StdPeriph_Examples/RTC/RTC_Timer/stm32f0xx_it.c

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/**
  ******************************************************************************
  * @file    RTC/RTC_Timer/stm32f0xx_it.c 
  * @author  MCD Application Team
  * @version V1.4.0
  * @date    24-July-2014
  * @brief   Main Interrupt Service Routines.
  *          This file provides template for all exceptions handler and 
  *          peripherals interrupt service routine.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx_it.h"

/** @addtogroup STM32F0xx_StdPeriph_Examples
  * @{
  */
  
/** @addtogroup RTC_Timer
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
extern __IO uint8_t ALARM_Occured;

/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*            Cortex-M0 Processor Exceptions Handlers                         */
/******************************************************************************/

/**
  * @brief   This function handles NMI exception.
  * @param  None
  * @retval None
  */
void NMI_Handler(void)
{
}

/**
  * @brief  This function handles Hard Fault exception.
  * @param  None
  * @retval None
  */
void HardFault_Handler(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Memory Manage exception.
  * @param  None
  * @retval None
  */
void MemManage_Handler(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Bus Fault exception.
  * @param  None
  * @retval None
  */
void BusFault_Handler(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Usage Fault exception.
  * @param  None
  * @retval None
  */
void UsageFault_Handler(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles SVCall exception.
  * @param  None
  * @retval None
  */
void SVC_Handler(void)
{
}

/**
  * @brief  This function handles Debug Monitor exception.
  * @param  None
  * @retval None
  */
void DebugMon_Handler(void)
{
}

/**
  * @brief  This function handles PendSVC exception.
  * @param  None
  * @retval None
  */
void PendSV_Handler(void)
{
}

/**
  * @brief  This function handles SysTick Handler.
  * @param  None
  * @retval None
  */
void SysTick_Handler(void)
{
}

/******************************************************************************/
/*                 STM32F0xx Peripherals Interrupt Handlers                   */
/******************************************************************************/
/**
  * @brief  This function handles External line 10 to 15 interrupts request.
  * @param  None
  * @retval None
  */
void EXTI4_15_IRQHandler(void)
{
  if((EXTI_GetITStatus(TAMPER_BUTTON_EXTI_LINE) != RESET))
  {
    /* Disable the RTC Clock */
    RCC_RTCCLKCmd(DISABLE);
    
    /* Wait for RTC APB registers synchronisation */
    RTC_WaitForSynchro();
    
    /* Clear the TAMPER EXTI pending bit */
    EXTI_ClearITPendingBit(TAMPER_BUTTON_EXTI_LINE);  
  }
}

/**
  * @brief  This function handles External line 0 interrupt request.
  * @param  None
  * @retval None
  */
void EXTI0_1_IRQHandler(void)
{
  if((EXTI_GetITStatus(SEL_BUTTON_EXTI_LINE) != RESET))
  {
    /* Set the LCD Back Color */
    LCD_SetBackColor(White);
    
    /* Enable the RTC Clock */
    RCC_RTCCLKCmd(ENABLE);
    
    /* Wait for RTC APB registers synchronisation */
    RTC_WaitForSynchro();
    
    /* Enable the alarmA */
    RTC_AlarmCmd(RTC_Alarm_A, ENABLE);
    
    /* Clear the WAKEUP EXTI  pending bit */
    EXTI_ClearITPendingBit(SEL_BUTTON_EXTI_LINE);  
  }

}

/**
  * @brief  This function handles RTC Alarm interrupt (A and B) request.
  * @param  None
  * @retval None
  */
void RTC_IRQHandler(void)
{
  /* Check on the AlarmA flag and on the number of interrupts per Second (60*8) */
  if(RTC_GetITStatus(RTC_IT_ALRA) != RESET) 
  { 
    /* ALARM is enabled */
    ALARM_Occured = 1;
    
    /* Clear RTC AlarmA Flags */
    RTC_ClearITPendingBit(RTC_IT_ALRA);
  }
  /* Clear the EXTIL line 17 */
  EXTI_ClearITPendingBit(EXTI_Line17);
  
}

/**
  * @}
  */

/**
  * @}
  */


/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/