main.c

用C语言编写的单片机串口通信的演示程序

//UARTDemo Code Edit by xinqiang 20050607
//UART 波特率设置为9600
//
#include "SPCE061V004.h"


extern unsigned int uiRS_ReciveFlag;		//串行口接收数据标识
extern unsigned int uiTX_Buff[5];			//发送数据缓冲区   暂时设定为10个8bit的数据区域	

int main(void)
{
	unsigned int uiKey=0;
	InitUART();
	F_Key_Scan_Initial();
	
	while(1)
	{
		uiKey = SP_GetCh();
		if(uiKey)							//每一次按键按下，发送五个数据0xaa、0xbb、0xcc、0xdd、0xee
		{
			uiTX_Buff[0] = 0xaabb;
			uiTX_Buff[1] = 0xccdd;
			uiTX_Buff[2] = 0xee00;
			UART_SendChar(5);
		}
		F_Key_Scan_ServiceLoop();
		*P_Watchdog_Clear = 0x0001;
	}
}