stm32f10x_it.c

STM32F103C8-PKT评估板例程

/**
  ******************************************************************************
  * @file TIM/PWM_Output/stm32f10x_it.c 
  * @author  MCD Application Team
  * @version  V3.0.0
  * @date  04/06/2009
  * @brief  Main Interrupt Service Routines.
  *         This file provides template for all exceptions handler and
  *         peripherals interrupt service routine.
  ******************************************************************************
  * @copy
  *
  * 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 FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>
  */ 

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_it.h"

/** @addtogroup StdPeriph_Examples
  * @{
  */

/** @addtogroup TIM_PWM_Output
  * @{
  */ 

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*            Cortex-M3 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 Debug Monitor exception.
  * @param  None
  * @retval : None
  */
void DebugMon_Handler(void)
{}

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

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

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

/******************************************************************************/
/*                 STM32F10x Peripherals Interrupt Handlers                   */
/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
/*  available peripheral interrupt handler's name please refer to the startup */
/*  file (startup_stm32f10x_xx.s).                                            */
/******************************************************************************/

/**
  * @brief  This function handles TIM3 interrupt request.
  * @param  None
  * @retval : None
  */
#define EGR_UG_Set              ((u16)0x0001)
  u16 ADC_ConvertedValue;
void TIM3_IRQHandler(void)
{
  u16 temp;

  if (TIM_GetITStatus(TIM3, TIM_IT_CC1) != RESET) {
    TIM_ClearITPendingBit(TIM3, TIM_IT_CC1);
    
    ADC_Cmd(ADC1, ENABLE);    /* start ADC convert */ 
    
    while(ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == RESET);

    ADC_ConvertedValue = ADC_GetConversionValue(ADC1);
    
    ADC_ClearFlag(ADC1, ADC_FLAG_EOC);
    
    temp = (ADC_ConvertedValue * (7499 - 2999)) / 0xFFF  + 2999;
    
    TIM2->ARR = temp ;
    TIM2->CCR4 = temp / 2;
  }
}
/**
  * @brief  This function handles PPP interrupt request.
  * @param  None
  * @retval : None
  */
/*void PPP_IRQHandler(void)
{
}*/

/**
  * @}
  */ 

/**
  * @}
  */ 

/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/