ps2控制1602.c

对PS2鼠标的操作通过1602来进行显示！

#include<reg52.h>
#include"mouse.h"
#include"lcd 1602.h"

sbit beep=P3^7;

void main()
{
	LCD_init();//初始化液晶1602
	init_mouse();
	mouse_send_command(0xf4);//向鼠标发送0xF4命令发其开始工作 
	EX1=0;//关掉外部中断以避开鼠标发回的应答
	delayms(100);
	EX1=1;//重开外部中断
	while(1)
	{		
		CLEARSCREEN;//清屏
		LCD_write_string(0,0,"x:");
		num(2,0,move_x);//x坐标值
		LCD_write_string(8,0,"y:");
		num(10,0,move_y);//y坐标值
		if(mouse_data[0]&0x01)//如果点下左键
		{
			beep=0;
			led1=0;
			LCD_write_string(0,1,"left");
		}
		else if(mouse_data[0]&0x02)//如果点下右键
		{
			beep=0;
			led1=0;
			LCD_write_string(0,1,"right");
		}
		else if(mouse_data[0]&0x04)//如果点下中键
		{
			beep=0;
			led1=0;
			LCD_write_string(0,1,"middle");
		}
		else
		{
			beep=1;
			led1=1;
			LCD_write_string(0,1,"nothing");
		} 
		delayms(50);
	}
	/*LCD_init();
	LCD_write_char(2,0,0x2d);
	while(1);*/
}