串行通信_发送机.c

串行通信_发送机和汉字液晶显示程序,紧供参考.

#include <reg51.h>
#define uchar unsigned char
uchar code jiang[] = {0x24,0xC4,0x84,0x04,0xF4,
0x8F,0x84,0x44,0xB4,0x2F,0x24,0xA4,0x64,0x04,0x04,0x00,
0x08,0x19,0x04,0x02,0xFF,0x04,0x04,0x36,0x06,0x45,
0x85,0x7E,0x04,0x04,0x04,0x00};
uchar i = 1,flag;
void init_com();
void delay(uchar x);
void main()
{

	init_com();
	TI = 0;
	SBUF = jiang[0];
	while (1);
}

void init_com()
{
	delay(200);
	EA = 0;
	SCON = 0xc0;
	TMOD = 0x20;
	PCON = 0x00;
	TR1 = 1;
	ES = 1;
	ET1 = 0;
	TH1 = 0xfd;
	EA = 1;
	flag = 0; 	
}

void com_interrupt() interrupt 4
{
	TI = 0;
	if (flag == 1)
	{
	//	flag = 0;
		return;
	}
	else
	{
//		delay(2);
		SBUF = jiang[i];
		i++;
		if (i >= 32)
		{
			i = 0; 	flag = 1;
		}
	
	}
}
void delay(uchar x)
{
	uchar i,j;
	for (i = 0; i < x; i++)
	for (j = 0; j < 110; j++);
}