51单片机字符串串口发送 9600@110592

[c]代码库

#include <REG52.H>
//sbit
sbit SEND = P3^1;
sbit RECIEVE = P3^0;
sbit SLED = P0^0;
sbit RLED = P0^1;
typedef unsigned char uchar;
typedef unsigned int uint;
//variable
uchar str[] = "Thanks,Sio\n";
uchar start[] = ":"
//declare
void UartInit(void);
void sendByte(uchar dat);
void Delay100ms(uint t);
void sendStr(uchar *str);
//main
int main(){
	UartInit();
	REN = 1;
   while(1){
   	  sendStr(str);
	  Delay100ms(10);
	  SLED = !SLED;
	  
   }
return 0;

}

//functions
void UartInit(void)		//9600bps@11.0592MHz
{
	//PCON &= 0x7F;		//波特率不倍速
	SCON = 0x50;		//8位数据,可变波特率

	//TMOD &= 0x0F;		//清除定时器1模式位
	TMOD |= 0x20;		//设定定时器1为8位自动重装方式
	TL1 = 0xfd;		//设定定时初值
	TH1 = 0xfd;		//设定定时器重装值
	ET1 = 0;		//禁止定时器1中断
	TR1 = 1;		//启动定时器1
	ES = 1;
	EA = 1;
}

void sendByte(uchar dat){
	 SBUF = dat;
	 while(!TI);
	 

}
void sendStr(uchar *str){

	while(*str!='\0'){
		sendByte(*str++);
		
	}
}

void UART_is() interrupt 4{
 
	if(RI){
		
		RI = 0;
	
	}
	if(TI){
		REN = 0;
		TI = 0;
	}
	REN = 1;
}

void Delay100ms(uint t)		//@11.0592MHz
{
	unsigned char i, j;
    uint x;
	
	
	for(x=t;x>0;x--){
	i = 180;
	j = 73;
		do
		{
			while (--j);
		} while (--i);
	}
}