串口发送.c

这七个程序都是本人为51系列单片机开发的应用程序

#include <AT89X55.H>
#include <absacc.h>


sbit P1_0=P1^0;
sbit P1_1=P1^1;


#define GM8125_RST P1_0
#define GM8125_SR2 P1_1
#define GM8125_SR1 P1_2
#define GM8125_SR0 P1_3
#define GM8125_MS  P1_4
#define GM8125_ST0 P1_5
#define GM8125_ST1 P1_6
#define GM8125_ST2 P1_7


/*延迟1ms*/
	void delay_Nms(unsigned char n)
	{
		unsigned char i,j; 
		for(j=0;j<n;j++)
		{
			for(i=0;i<250;i++);
			for(i=0;i<250;i++);
			for(i=0;i<100;i++);
			
		}
	}


	main()
 	{	
		unsigned char i;
		unsigned char *send_data[]={0x7E,0XCC,0X1A,0X23,0X34};
		EA=0;
		GM8125_RST=0;    	
    	delay_Nms(250);
    	GM8125_RST=1;
    	delay_Nms(250);	
	
		GM8125_MS=1;
		
		GM8125_ST0=0;
		GM8125_ST1=0;	
    		GM8125_ST2=1;
		 		
		TR1=0;	
		
    	TH1=0xFD;
    	TL1=0xFD;		/*9600bps FC 11mhz*/
    	PCON=0;			/*smod=0*/
    	SCON=0x50;		/*方式3 11位 单机通信*/
    	
		TMOD=0x20;
 		TR1=1;
 	
 		ES=1;
 		EA=1;

	for(i=0;i<5;i++)
		{
			SBUF=*(send_data+i);
			while(!TI);
			TI=0;
		}
	}