ADuC7061中断方式实现串口通讯

/*******************************
* name:
* function:
* return:
********************************/
#include "string.h"
#include "global.h"
#include "function.h"
#include <stdio.h>
#include <aduc7061.h>

unsigned char UartDataRecevice;
unsigned char UartDataTransfer;
unsigned char ucTxBufferEmpty  = 0;
unsigned char ucRxBufferFull  = 0;
volatile unsigned char bSendResultToUART = 0;

void UartSendData(unsigned char uchar);
unsigned char UartReceviceData(void);

int main(void)
{
 /********

 使用到的变量
  *********/
 bSendResultToUART = 0;
 
 /********
 配置内部时钟10.24mhz
 *********/
 POWKEY1 = 0x1;
 POWCON0 = 0x78;
 POWKEY2 = 0xF4;
 
 /********
 配置GPIO管脚输出模式
 *********/
 GP2CON = 0x00;
 GP2DAT = BIT24;
 
 /********

 串口的初始化
  *********/
 GP1CON = BIT0 + BIT4;
 COMCON0 = BIT7;
 COMDIV0 = 0x21;
 COMDIV1 = 0x00;
 COMCON0 = BIT0 + BIT1 + BIT2;
 COMIEN0 = BIT0 + BIT1; //使能接收缓冲满中断和发送缓冲空中断
 
 /*使能串口中断*/
 IRQEN |= BIT11; 

 while (1)
 {
  if (bSendResultToUART == 1)
  {  
   printf("Received Charachter was : %x\r\n\n",UartDataRecevice); 
   bSendResultToUART = 0;
   //UartSendData(UartDataRecevice);   使用这程序卡死了，不知道为什么
  }
 }
}

/*****************************************
* IRQ_Handler
******************************************/
void IRQ_Handler(void) __irq
{
 unsigned long IRQSTATUS = 0;
 unsigned char ucCOMIID0 = 0;
 IRQSTATUS = IRQSTA;
 
 if ((IRQSTATUS&BIT11) == BIT11)   //UART中断源
 {
  ucCOMIID0 = COMIID0;      
  if ((ucCOMIID0&BIT2) == BIT2)  // 接收缓冲区满中断
  {   
   UartDataRecevice = COMRX; // 读数据
   bSendResultToUART = 1; //置位
  }
  if ((ucCOMIID0&BIT1) == BIT1)
  {
   ucTxBufferEmpty = 1;
  }
 }
}

void UartSendData(unsigned char ucTxChar)
{
 COMTX = ucTxChar;
 while ((COMSTA0&0x40) == 0x00) 
 {
 }
}

今天自己测试的中断方式串口通讯，欢迎正在使用ADuC706x或使用过的朋友一起交流学习！