main.c

很好SST89X58单片机的串口调试程序

#include "reg52.h"
#include "main.h"
#include "UART.h"



void main()
{
	DelayMs(1000);
	IE		=0x00;
	TCON	=0x00;
	TMOD	=0x21;
	SCON	=0xd0;
	PCON	=0x00;
	TH1		=0xfd;
	TL1		=0xfd;
	TL0		=0;
	TH0		=0;
	
	IT0		=1;
	IT1		=0;
	TR1		=1;

	P1	=0;
	T1	=1;
	WR	=0;
	UART_Send(0x55);
	UART_Send(0x56);
	UART_Send(0x57);
	while(1)
	UART_Send(UART_Recive());
}

void DelayMs(unsigned int time)
{
    unsigned char i;
 	while(time--)
  	{
  		for(i=0;i<125;i++);
  	}
}