stm32f10x_it.c

STM32+Grlib

/**
  ******************************************************************************
  * @file GPIO/IOToggle/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"
#include "stm32f10x.h"
/** @addtogroup StdPeriph_Examples
  * @{
  */

/** @addtogroup GPIO_IOToggle
  * @{
  */

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



extern uint8_t TxBuffer1[]; 
extern uint8_t TxBuffer2[]; 
extern uint8_t RxBuffer1[];
extern uint8_t RxBuffer2[];
extern __IO uint8_t TxCounter1;
extern __IO uint8_t TxCounter2;
extern __IO uint8_t RxCounter1; 
extern __IO uint8_t RxCounter2;

extern uint8_t rec_f,tx_flag;

extern unsigned char g_ucPenUpDownState;

extern void TouchScreenFeedBack(void);

#define  Up   1

#define  Down 0	 

/******************************************************************************/
/*            Cortex-M3 Processor Exceptions Handlers                         */
/******************************************************************************/

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

void USART1_IRQHandler(void)
{
	unsigned int i;
  if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)	   //判断读寄存器是否非空
  {	
    
    RxBuffer1[RxCounter1++] = USART_ReceiveData(USART1);   //将读寄存器的数据缓存到接收缓冲区里
	
    if(RxBuffer1[RxCounter1-2]==0x0d&&RxBuffer1[RxCounter1-1]==0x0a)     //判断结束标志是否是0x0d 0x0a
    {
	  for(i=0; i< RxCounter1; i++) TxBuffer1[i]	= RxBuffer1[i]; 	     //将接收缓冲器的数据转到发送缓冲区，准备转发
	  rec_f=1;															 //接收成功标志
	  TxBuffer1[RxCounter1]=0;		                                     //发送缓冲区结束符    
	  RxCounter1=0;
	  
    }
  }
  
  if(USART_GetITStatus(USART1, USART_IT_TXE) != RESET)                   //这段是为了避免STM32 USART 第一个字节发不出去的BUG 
  { 
     USART_ITConfig(USART1, USART_IT_TXE, DISABLE);					     //禁止发缓冲器空中断， 
  }
}


/**
  * @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 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).                                            */
/******************************************************************************/



void EXTI9_5_IRQHandler(void)
{
  if(EXTI_GetITStatus(EXTI_Line6) != RESET)				  	//判别是否按下
  {
	TouchScreenFeedBack();
  	  	
	EXTI_ClearITPendingBit(EXTI_Line6);					  //清除中断请求标志
  }
}
/**
  * @brief  This function handles PPP interrupt request.
  * @param  None
  * @retval : None
  */
/*void PPP_IRQHandler(void)
{
}*/

/**
  * @}
  */

/**
  * @}
  */

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