ms12864r.txt

MS13864r液晶屏程序 连线表 CPU=89C55 SystemClock=24Mhz CS=P1.0 SCLK=P1.1 SID=P1.2

#include <reg51.h> 
#define unchar unsigned char#define unint unsigned int
sbit CS=P1^0;sbit SID=P1^1;sbit SCLK=P1^2;
　　unchar character1<>=" 安徽特力电子 ";unchar character2<>="  MS12864R试验  ";unchar character3<>="   2008.11.11   ";unchar character4<>=" 试  验  成  功 ";unchar adress_table<>={ 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,//第一行汉字位置 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,//第二行汉字位置 0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,//第三行汉字位置 0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F,//第四行汉字位置}; 
void write_byte(unchar Data)
{ 
	unchar i,Temp_data; 
	for(i=0;i<8;i++) 
		{
　　	Temp_data=Data;
　　	Temp_data<<=i;
　　	if(Temp_data&0x80) SID=1;
　　	else SID=0;
　　	SCLK=1;
　　	SCLK=0;
		}
} 

　　
void write_command(unchar command)
{ 
	CS = 1; 
	write_byte(0xF8);　　//发送S_ID 
	write_byte(command&0xF0); //发送H_data 
	write_byte((command&0x0F)<<4); //发送L_data 
	CS = 0; 
} 

void write_data(unchar Data)
{ 
	CS = 1; 
	write_byte(0xFA);　　//发送S_ID 
	write_byte(Data&0xF0); //发送H_data 
	write_byte((Data&0x0F)<<4); //发送L_data 
	CS = 0; 
} 

void LCD_Init(void)
{ 
	write_command(0x30); //功能设置 8位数据，基本指令 
	write_command(0x0C); //显示状态 ON，游标OFF，反白OFF 
	write_command(0x01); //清除显示 
	write_command(0x02); //地址归位 
	write_command(0x80); //设置DDRAM地址
} 

void display_CGROM(unchar row,unchar column,unchar *p)
{ 
	while(row<4&&(*p)!=\'\\0\') 
	{
	　　while(column<8&&(*p)!=\'\\0\')
		　　{
		　　write_command(adress_table);
		　　write_data(*p++);
		//　write_data(*p++);
		　　column++;
		　　}
	　　column=0;
	　　row++; 
	}
} 

void main()
{ 
	LCD_Init(); 
	display_CGROM(0,0,character1); 
	display_CGROM(1,0,character2); 
	display_CGROM(2,0,character3); 
	display_CGROM(3,0,character4); 
	while(1); 
}