systick_irq.c

基于STM32串口-CAN函数包.其中,串口以中断形式接受,C

#include <stm32f10x_lib.h>              /* STM32F10x Library Definitions      */
#include "UET_GPIO.h"

unsigned char Clock1s;

extern unsigned short int ADC_ConvertedValue;
extern int SendChar (int ch) ;
static unsigned int receved_data;
 //*SysTick interrupt happens every 10 ms                                    
void SysTick_Handler (void)
{
static unsigned long ticks;
    //static unsigned long timetick;
  //static unsigned char leds=0x01;
 

  if (ticks++ >= 99) {                 // Set Clock1s to 1 every 1 second    
    ticks   = 0;
    Clock1s = 1;
  }


 ;
  
  }	   
								



 void USART1_IRQHandler(void)
{ 
if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
   {
    /* Read one byte from the receive data register */
  
    receved_data=(USART_ReceiveData(USART1));        

    /* Clear the USART1 Receive interrupt */
    USART_ClearITPendingBit(USART1, USART_IT_RXNE);

    SendChar(receved_data);
	}
 if(USART_GetITStatus(USART1, USART_IT_TXE) != RESET)
 	{SendChar(0x95);//for debug;
 	}
}