stm32f10x_it.c

STM32不完全手册 例程源码 29个

/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name          : stm32f10x_it.c
* Author             : MCD Application Team
* Version            : V1.1
* Date               : 05/30/2008
* Description        : Main Interrupt Service Routines.
*                      This file provides template for all exceptions handler
*                      and peripherals interrupt service routine.
********************************************************************************
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
* FOR MORE INFORMATION PLEASE CAREFULLY READ THE LICENSE AGREEMENT FILE LOCATED 
* IN THE ROOT DIRECTORY OF THIS FIRMWARE PACKAGE.
*******************************************************************************/

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

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
static vu32 Index = 0;
static vu32 AlarmStatus = 0;
static vu32 LedCounter = 0;
static u16 LedTick;


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

/*******************************************************************************
* Function Name  : NMIException
* Description    : This function handles NMI exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void NMIException(void)
{
 
}

/*******************************************************************************
* Function Name  : HardFaultException
* Description    : This function handles Hard Fault exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void HardFaultException(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : MemManageException
* Description    : This function handles Memory Manage exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void MemManageException(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : BusFaultException
* Description    : This function handles Bus Fault exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void BusFaultException(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : UsageFaultException
* Description    : This function handles Usage Fault exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void UsageFaultException(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/*******************************************************************************
* Function Name  : DebugMonitor
* Description    : This function handles Debug Monitor exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void DebugMonitor(void)
{
}

/*******************************************************************************
* Function Name  : SVCHandler
* Description    : This function handles SVCall exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void SVCHandler(void)
{
}

/*******************************************************************************
* Function Name  : PendSVC
* Description    : This function handles PendSVC exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void PendSVC(void)
{
}

/*******************************************************************************
* Function Name  : SysTickHandler
* Description    : This function handles SysTick Handler.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void SysTickHandler(void)
{
   OS_CPU_SR  cpu_sr;


    OS_ENTER_CRITICAL();  //保存全局中断标志,关总中断/* Tell uC/OS-II that we are starting an ISR*/
    OSIntNesting++;
    OS_EXIT_CRITICAL();	  //恢复全局中断标志

    OSTimeTick();     /* Call uC/OS-II's OSTimeTick(),在os_core.c文件里定义,主要判断延时的任务是否计时到*/

    OSIntExit();  //在os_core.c文件里定义,如果有更高优先级的任务就绪了,则执行一次任务切换            
}

/*******************************************************************************
* Function Name  : WWDG_IRQHandler
* Description    : This function handles WWDG interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void WWDG_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : PVD_IRQHandler
* Description    : This function handles PVD interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void PVD_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : TAMPER_IRQHandler
* Description    : This function handles Tamper interrupt request. 
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void TAMPER_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : RTC_IRQHandler
* Description    : This function handles RTC global interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void RTC_IRQHandler(void)
{
  /* If counter is equal to 86339: one day was elapsed */
  if((RTC_GetCounter()/3600 == 23)&&(((RTC_GetCounter()%3600)/60) == 59)&&
     (((RTC_GetCounter()%3600)%60) == 59)) /* 23*3600 + 59*60 + 59 = 86339 */
  {
    /* Wait until last write operation on RTC registers has finished */
    RTC_WaitForLastTask();
    /* Reset counter value */
    RTC_SetCounter(0x0);
    /* Wait until last write operation on RTC registers has finished */
    RTC_WaitForLastTask();

    /* Increment the date */
   // Date_Update();
  }
  /* Clear the RTC Second Interrupt pending bit */  
  RTC_ClearITPendingBit(RTC_IT_SEC);
}

/*******************************************************************************
* Function Name  : FLASH_IRQHandler
* Description    : This function handles Flash interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void FLASH_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : RCC_IRQHandler
* Description    : This function handles RCC interrupt request. 
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void RCC_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : EXTI0_IRQHandler
* Description    : This function handles External interrupt Line 0 request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void EXTI0_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : EXTI1_IRQHandler
* Description    : This function handles External interrupt Line 1 request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void EXTI1_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : EXTI2_IRQHandler
* Description    : This function handles External interrupt Line 2 request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void EXTI2_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : EXTI3_IRQHandler
* Description    : This function handles External interrupt Line 3 request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void EXTI3_IRQHandler(void)
{

}

/*******************************************************************************
* Function Name  : EXTI4_IRQHandler
* Description    : This function handles External interrupt Line 4 request.
* Input          : None
* Output         : None
* Return         : None