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	 > 嵌入式系統(tǒng) > 設(shè)計應(yīng)用 > 12864液晶簡單顯示程序(帶字庫)
            
    
            

            

            


	
	
	

            
	
            
		
            
			
            12864液晶簡單顯示程序(帶字庫)
            
						
            
				作者：
				時間：2016-11-13
				來源：網(wǎng)絡(luò)
				
				
				
				
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			感覺網(wǎng)上好多的12864液晶程序?qū)懙暮芑靵y，當自己寫了12864液晶的程序后才發(fā)現(xiàn)，原來液晶驅(qū)動程序是可以很簡單的。這是我自己寫的一個12864液晶程序，請大家多多指教。
            /*************************************************
            本文引用地址：http://www.biyoush.com/article/201611/316088.htm
            程序名稱：12864液晶簡單顯示（8位并口）
            芯片： SST89c52
            硬件連接：P0口送數(shù)據(jù)或命令，鏈接到12864的DB0--DB7
             RS=P2.0,RW=P2.1,EN=P2.2,PSB=P2.3,RST=P2.4
            日期：2009年7月19日作者：雪狼
            *************************************************/
            #include
            #define uchar unsigned char
            #define uint unsigned int
            #define Lcd_IO P0
            #define comm 0
            #define dat 1
            sbit RS=P2^0;
            sbit RW=P2^1;
            sbit EN=P2^2;
            sbit PSB=P2^3;
            sbit RST=P2^4;
            //一幅圖形數(shù)據(jù)
            uchar code Lcd_num[]={
            0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x80,0x00,0x0F,0xFF,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x0C,0x43,0x01,0x80,0x00,0x7F,0xFF,0xF0,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x19,0xFF,0x07,0x00,0x07,0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x01,0x3F,0xFC,0x1E,0x00,0x1F,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,
            0x00,0x00,0x00,0x01,0xBF,0xFF,0xFC,0x00,0x7F,0xFC,0x00,0x7F,0xC0,0x00,0x00,0x00,
            0x00,0x00,0x00,0x01,0xFF,0xFF,0xF0,0x00,0xFF,0xC0,0x00,0x0F,0xE0,0x00,0x00,0x00,
            0x00,0x00,0x00,0x01,0xFF,0xFF,0xE0,0x03,0xFF,0xFF,0xFC,0x01,0xF0,0x00,0x00,0x00,
            0x00,0x00,0x00,0x01,0xDF,0xFF,0xC0,0x07,0xFF,0xFF,0xFF,0x80,0xF0,0x00,0x00,0x00,
            0x00,0x00,0x00,0x03,0xFF,0xFF,0x00,0x0F,0xFF,0xFF,0xFF,0xE0,0x38,0x00,0x00,0x00,
            0x00,0x00,0x00,0x07,0xFF,0xF8,0x00,0x1F,0xFF,0xF0,0x03,0xF8,0x38,0x00,0x00,0x00,
            0x00,0x00,0x00,0x07,0xFF,0xE0,0x00,0x3F,0xFF,0xFF,0xC0,0x7C,0x18,0x00,0x00,0x00,
            0x00,0x00,0x00,0x04,0x7F,0xF0,0x00,0x3F,0xFF,0xFF,0xF8,0x1E,0x08,0x00,0x00,0x00,
            0x00,0x00,0x00,0x01,0xFF,0xF8,0x00,0x7F,0xFF,0xFF,0xFE,0x0F,0x08,0x00,0x00,0x00,
            0x00,0x00,0x00,0x0F,0xFF,0xFC,0x00,0xFF,0xFF,0xFF,0xFF,0x87,0x08,0x00,0x00,0x00,
            0x00,0x00,0x00,0x1F,0xFF,0xFE,0x00,0xFF,0xFF,0xFF,0xFF,0x83,0x88,0x00,0x00,0x00,
            0x00,0x00,0x00,0x3F,0xFF,0xFE,0x01,0xFF,0xFF,0xFF,0xFF,0xC3,0x88,0x00,0x00,0x00,
            0x00,0x00,0x00,0x7F,0xFF,0xFE,0x01,0xFF,0xFF,0xFF,0xFF,0xE1,0x88,0x00,0x00,0x00,
            0x00,0x00,0x00,0xFF,0xFF,0xFE,0x03,0xFF,0xFF,0xFF,0xFF,0xE1,0x88,0x00,0x00,0x00,
            0x00,0x00,0x01,0xFF,0xFF,0xFE,0x03,0xFF,0xFF,0xFF,0xFF,0xF1,0x88,0x00,0x00,0x00,
            0x00,0x00,0x01,0xFF,0xFF,0xFE,0x03,0xFF,0xFF,0xFF,0xFF,0xF3,0x08,0x00,0x00,0x00,
            0x00,0x00,0x01,0xFF,0xFF,0xFF,0x07,0xFF,0xFF,0xFF,0xFF,0xF2,0x10,0x00,0x00,0x00,
            0x00,0x00,0x01,0xFF,0xFF,0xFF,0x8F,0xFF,0xFF,0xFF,0xFF,0xF0,0x20,0x00,0x00,0x00,
            0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x00,
            0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x70,0x00,0x00,0x00,0x00,
            0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFF,0x70,0x00,0x00,0x00,0x00,
            0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFF,0x70,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0xFF,0x7F,0x20,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xBF,0xFF,0x7F,0x20,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xDF,0xFF,0x7E,0x20,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xDF,0xFF,0x3E,0x40,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xCF,0xFF,0x3C,0x40,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xCF,0xFE,0x38,0x40,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0x8F,0xFE,0x38,0x40,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0x8F,0xFE,0x30,0x40,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x1F,0x7C,0x20,0x40,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x7F,0xFF,0xFF,0xFE,0x1E,0x78,0x00,0x40,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x3F,0xFF,0xFF,0xFE,0x1E,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xDA,0x3C,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xF2,0x30,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xF1,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0xFE,0x7F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x7C,0x3F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x78,0x1F,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x72,0x07,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x70,0x00,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x78,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0xC0,0x03,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x01,0x40,0x04,0xD8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x02,0x0C,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x02,0x40,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x0C,0x48,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x38,0x41,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x0F,0xE2,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
            0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
            };
            void Delay_us(uint i)//i=10,time=100us
            {
            for(;i>0;i--);
            }
            void Delay_ms(uint i)//i=10,time=10ms
            {
            while(i--)
            Delay_us(100);
            }
            //向12864液晶寫數(shù)據(jù)或命令
            void Lcd_wcd(uchar dat_comm,uchar Lcd_data)
            {
            if(dat_comm)
            RS=1; //數(shù)據(jù)
            else RS=0; //命令
            Lcd_IO=Lcd_data;
            RW=0;
            EN=1;
            Delay_us(30);
            EN=0;
            }
            void Lcd_init()//液晶初始化
            {
            RST=0;
            Delay_us(10); //外部復位
            RST=1;
            PSB=1;
            Lcd_wcd(comm,0x30); //基本指令格式
            Delay_us(30);
            Lcd_wcd(comm,0x01); //液晶清屏
            Delay_ms(30);
            Lcd_wcd(comm,0x06); //設(shè)置顯示格式，光標位置
            Lcd_wcd(comm,0x0c);
            }
            void Lcd_pst(uchar xx,uchar yy)//設(shè)置顯示坐標
            {
            uint line;
            switch(yy)
            {
            case 0:line=0x00;break;
            case 1:line=0x10;break;
            case 2:line=0x08;break;
            case 3:line=0x18;break;
            default :break;
            }
            Lcd_wcd(comm,0x80+line+xx);
            }
            void Lcd_str(uchar *str) //顯示字符串和漢字
            {
            while(*str!=