stm32f10x_it.c

st公司的开发板的资料

/******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
* File Name          : stm32f10x_it.c
* Author             : MCD Application Team
* Version            : V1.1
* Date               : 11/26/2007
* Description        : Main Interrupt Service Routines.
*                      This file can be used to describe all the exceptions 
*                      subroutines that may occur within user application.
*                      When an interrupt happens, the software will branch 
*                      automatically to the corresponding routine.
*                      The following routines are all empty, user can write code 
*                      for exceptions handlers and peripherals IRQ interrupts.
********************************************************************************
* THE PRESENT SOFTWARE 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.
*******************************************************************************/

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

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

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

/*******************************************************************************
* Function Name  : NMIException
* Description    : This function handles NMI exception.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void NMIException(void)
{
  u32 tmp = 318, index = 0;

  /* Disable LCD Window mode */
  LCD_WindowModeDisable(); 

  /* If HSE is not detected at program startup or HSE clock failed during program execution */
  if((Get_HSEStartUpStatus() == ERROR) || (RCC_GetITStatus(RCC_IT_CSS) != RESET))
  { 
    /* Clear the LCD */
    LCD_Clear(White);
    /* Set the LCD Back Color */
    LCD_SetBackColor(Blue);

    /* Set the LCD Text Color */
    LCD_SetTextColor(White);

    /* Display " No Clock Detected  " message */
    LCD_DisplayStringLine(Line0, "No HSE Clock Detected");
    LCD_DisplayStringLine(Line1, "Detected. STANDBY    ");
    LCD_DisplayStringLine(Line2, "mode in few seconds. ");
    
    LCD_DisplayStringLine(Line5, "If HSE Clock recovers");
    LCD_DisplayStringLine(Line6, "before the time out a");
    LCD_DisplayStringLine(Line7, "system reset is      ");
    LCD_DisplayStringLine(Line8, "generated.           ");
    LCD_ClearLine(Line9);
    /* Clear Clock Security System interrupt pending bit */
    RCC_ClearITPendingBit(RCC_IT_CSS);

    GPIO_SetBits(GPIOC, GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9);

    /* Enable HSE */
    RCC_HSEConfig(RCC_HSE_ON);
    LCD_ClearLine(Line4);
    /* Set the Back Color */
    LCD_SetBackColor(White);
    /* Set the Text Color */
    LCD_SetTextColor(Red);
    LCD_DrawRect(71, 319, 25, 320);
    LCD_SetBackColor(Green); 
    LCD_SetTextColor(White);

    /* Wait till HSE is ready */
    while(RCC_GetFlagStatus(RCC_FLAG_HSERDY) == RESET)
    {
      if(index == 0x3FFFF)
      {
        LCD_DisplayChar(Line3, tmp, 0x20);
        tmp -= 16;
        index = 0;
      }
      index++;
      /* Enters the system in STANDBY mode */
      if(tmp < 16)
      {
        LCD_SetBackColor(Blue);
        LCD_ClearLine(Line3);
        LCD_ClearLine(Line4);
        LCD_ClearLine(Line5);
        LCD_ClearLine(Line6);
        LCD_DisplayStringLine(Line7, " MCU in STANDBY Mode"); 
        LCD_DisplayStringLine(Line8, "To exit press Wakeup");
        /* Request to enter STANDBY mode */
        PWR_EnterSTANDBYMode();
      }
    }
  
    /* Generate a system reset */  
    NVIC_GenerateSystemReset();
  }
}

/*******************************************************************************
* 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)
{
  /* Decrement the TimingDelay variable */
  Decrement_TimingDelay();
}

/*******************************************************************************
* 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
*******************************************************************************/
void EXTI4_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : DMAChannel1_IRQHandler
* Description    : This function handles DMA Stream 1 interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void DMAChannel1_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : DMAChannel2_IRQHandler
* Description    : This function handles DMA Stream 2 interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void DMAChannel2_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : DMAChannel3_IRQHandler
* Description    : This function handles DMA Stream 3 interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void DMAChannel3_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : DMAChannel4_IRQHandler
* Description    : This function handles DMA Stream 4 interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void DMAChannel4_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : DMAChannel5_IRQHandler
* Description    : This function handles DMA Stream 5 interrupt request.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void DMAChannel5_IRQHandler(void)
{
}

/*******************************************************************************
* Function Name  : DMAChannel6_IRQHandler
* Description    : This function handles DMA Stream 6 interrupt request.
* Input          : None
* Output         : None