serial.c

来自「与C51相关模块LCD,24CXX,等的源代码程序」· C语言 代码 · 共 33 行

/******************************************************
DESIGN FOR RS232 USE
Designer: BH Zhang
Date:2006-1-11
Ver:1.0
Modify Mark:NONE
*******************************************************/
#include <at89x51.h>
#include "serial.h"
//------------------------------------------------------
void InitSerial(void){
	PCON|=SMOD_;	//Double Baudrate
	SCON=0x40;		//Serial Port Work on Mode 1,
					//Receive Disable
	TMOD&=T0_MASK_;
	TMOD|=T1_M1_;
	TH1=0xfa;		//9600bps
	TL1=0xfa;
	//PS=1;			//serial port to high prior
	//ES=1;
}
//------------------------------------------------------
void SendChar(unsigned char SendChar){
	TI=0;
	SBUF=SendChar;
	while(!TI);
}
//------------------------------------------------------
#ifdef MONITOR51				// Monitor-51 needs
char code reserve[3] _at_ 0x23;	// serial interrupt if
#endif
//------------------------------------------------------