/*******************************
* name:
* function:
* return:
********************************/
#include \"string.h\"
#include \"global.h\"
#include \"function.h\"
#include
#include
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!