main.c

485.rar

#include <reg51.h>
#include <intrins.h>
#include <string.h>
#include "LCD1602.h"

#define uchar unsigned char
#define uint unsigned int

#define _ERR_ 0xff
#define _SUCC_ 0xfe

sbit REDE = P3^4;
uchar rec;

void delay(uint t)
{
  for(;t>0;t--);
}

void ldelay(uint t)
{
	uint i = 100;
	for(;i>0;i--)
		for(;t>0;t--);
}

void Send_date(uchar *buf)
{
	uchar len;
	uchar ecc;
	uchar i;
	len = strlen(buf);
	ecc = len;
	REDE = 1;
	TI = 0;
	TB8 = 0;
	SBUF = len;
	while(!TI);
	TI = 0;
	for(i=0;i<len;i++)
	{
		ecc = ecc^(*buf);
		TB8 = 0;
		SBUF = *buf;
		buf++;
		while(!TI);
		TI = 0;
	}
	TB8 = 0;
	SBUF = ecc;
	while(!TI);
	TI = 0;
	REDE = 0;
}

void Send_addr(uchar addr, uchar *buf)
{
	uchar tmp = addr-1;
	
	while(tmp != addr)
	{
		REDE = 1;
		TI = 0;
		TB8 = 1;
		SBUF = addr;
		while(!TI);
		TI = 0;
		REDE = 0;
		RI = 0;
		ldelay(1); //?????????????????????
		while(!RI);
		tmp = SBUF;
		RI = 0;
	}
	tmp = _ERR_;
	while(tmp != _SUCC_)
	{
		Send_date(buf);
		REDE = 0;
		RI = 0;
		while(!RI);
		tmp = SBUF;
		RI = 0;	
	}
	wdec(addr);
	wstr("#OK ");
}

void init()
{
	delay(10);   //延时等待复位
	wcmd(0x38); //设置为8总线16*2，5*7点阵
	wcmd(0x01); //清屏幕
	wcmd(0x06); //光标移动，显示区不移动
	wcmd(0x0f); //开显示，光标闪烁
}

void main()
{
	init();
	wstr("zongj");
	loc(2,1);
	SCON=0x90;
	PCON = 0x80;
	ES=1;
  	EA=1;
	REDE = 0;
	Send_addr(0x01, "abcd");
	Send_addr(0x02, "efgh");
	while(1);
}