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單片機的動手實踐篇--51單片機玩轉12864

作者：時間：2017-01-10 來源：網絡

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　　12864液晶的驅動和1602的類似，只不過是多了幾個擴展的功能，不如畫圖功能：

本文引用地址：http://cafeforensic.com/article/201701/342707.htm

　　這里講一下：不要簡單的認為12864是y軸64，x為128，那是點陣的分布，不是讀寫的分布，如正圖表示，y軸的32行，從0到31，x軸的16 從0到15,0到7為上半個屏幕，8到15在下半個屏幕，所以繪圖的時候，有兩個部分要進行書寫

　　在12864上載入任意一幅圖：

　　示例代碼：

　　#include

　　#define uint unsigned int

　　#define uchar unsigned char

　　sbit lcdrs = P2^4;//數(shù)據(jù)還是指令的選擇端口

　　sbit lcdwr = P2^5;//讀寫操作端口

　　sbit lcden = P2^6;//使能端延時端口

　　sbit PSB = P2^1;//串行數(shù)據(jù)還是并行數(shù)據(jù)的選擇段

　　//圖片的編碼，這幅圖片的編碼是一個哆啦a夢

　　unsigned char code pic1[] = { /* 0X10,0X01,0X00,0X80,0X00,0X40, */

　　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,

　　0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X00,0X00,0X00,0XFF,0XFC,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X00,0X00,0XFF,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X00,0X3F,0XC0,0X0F,0XC0,0X0F,0XE0,0X00,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X07,0XFF,0X00,0X07,0X80,0X03,0XFE,0X00,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X3F,0XFE,0XF7,0XFF,0XFF,0XFF,0XFF,0XC0,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0XFF,0XFE,0X00,0X01,0X80,0X01,0XFF,0XF8,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X03,0XFF,0XFE,0X00,0X03,0XFF,0X01,0X0F,0XFE,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X0F,0XFF,0X83,0X00,0X07,0XFB,0X86,0X00,0XFF,0X80,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X1F,0XFE,0X00,0XE0,0X0F,0XFF,0XFC,0X00,0X1F,0XC0,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X7F,0XF8,0X00,0X3F,0XE3,0XFF,0X00,0X00,0X07,0XF0,0X00,0X00,0X00,0X00,

　　0X00,0X00,0XFF,0XE0,0X00,0X00,0X00,0X38,0X00,0X00,0X01,0XF8,0X00,0X00,0X00,0X00,

　　0X00,0X01,0XFF,0XC7,0X7F,0XF0,0X00,0X0C,0X00,0X1F,0XFF,0XFC,0X00,0X00,0X00,0X00,

　　0X00,0X01,0XFF,0X00,0X00,0X00,0X00,0X04,0X00,0X00,0X00,0X7E,0X00,0X00,0X00,0X00,

　　0X00,0X03,0XFF,0X00,0X00,0X00,0X00,0X06,0X00,0X03,0XC0,0X3E,0X00,0X00,0X00,0X00,

　　0X00,0X03,0XFE,0X0F,0XFF,0XF0,0X00,0X02,0X00,0X0C,0X3F,0X9E,0X00,0X00,0X00,0X00,

　　0X00,0X07,0XFC,0X00,0X00,0X00,0X00,0X02,0X00,0X00,0X00,0X1F,0X00,0X00,0X00,0X00,

　　0X00,0X07,0XFC,0X00,0X1F,0XC0,0X00,0X02,0X00,0X00,0X00,0X0F,0X00,0X00,0X00,0X00,

　　0X00,0X07,0XF8,0X03,0XE0,0X00,0X00,0X02,0X00,0X07,0XFE,0X0F,0X00,0X00,0X00,0X00,

　　0X00,0X07,0XF8,0X1E,0X00,0X00,0X00,0X02,0X00,0X00,0X01,0XC6,0X00,0X00,0X00,0X00,

　　0X00,0X07,0XF8,0X30,0X00,0X00,0X00,0X02,0X00,0X00,0X00,0X06,0X00,0X00,0X00,0X00,

　　0X00,0X03,0XFC,0X00,0X00,0X00,0X00,0X02,0X00,0X03,0XFE,0X0E,0X00,0X00,0X00,0X00,

　　0X00,0X01,0XFC,0X00,0X00,0X00,0X00,0X7F,0XC0,0X00,0X03,0X0C,0X00,0X00,0X00,0X00,

　　0X00,0X01,0XFE,0X00,0X00,0X00,0X3F,0X80,0X3E,0X00,0X01,0X18,0X00,0X00,0X00,0X00,

　　0X00,0X00,0XFE,0X00,0X00,0X0F,0XC0,0X00,0X01,0XF0,0X06,0X30,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X7F,0X00,0X01,0XE0,0X00,0X00,0X00,0X1F,0XF8,0X60,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X3F,0X80,0X04,0X00,0X00,0X00,0X00,0X00,0X00,0XC0,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X0F,0XE0,0X00,0X00,0X00,0X00,0X00,0X00,0X03,0X80,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X03,0XF0,0X00,0X00,0X00,0X00,0X00,0X00,0X06,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0XFC,0X00,0X00,0X00,0X00,0X00,0X01,0XFC,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X3F,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X3F,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFE,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X01,0XFF,0XF8,0X00,0X03,0XFF,0XE0,0X1F,0XFF,0XC0,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X07,0XFF,0XE0,0X00,0X03,0XFF,0XC0,0X07,0XFF,0XE0,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X0F,0XFF,0XC0,0X00,0X00,0XFF,0X80,0X03,0XFF,0XF0,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X1F,0XFF,0X80,0X00,0X00,0X00,0X00,0X01,0XFF,0XF8,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X3F,0XFF,0X80,0X00,0X00,0X00,0X00,0X01,0XFF,0XF8,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X7F,0XFF,0X80,0X00,0X00,0X00,0X00,0X01,0XFF,0XFC,0X00,0X00,0X00,0X00,

　　0X00,0X03,0X80,0X3F,0X80,0X0F,0XFF,0XFF,0XFC,0X01,0XFE,0X3E,0X00,0X00,0X00,0X00,

　　0X00,0X06,0X00,0X0F,0XC0,0X70,0X00,0X00,0X03,0XC1,0XF8,0X07,0X00,0X00,0X00,0X00,

　　0X00,0X06,0X00,0X07,0XE0,0X30,0X00,0X00,0X00,0X43,0XF8,0X03,0X00,0X00,0X00,0X00,

　　0X00,0X07,0X00,0X07,0XF0,0X38,0X00,0X00,0X00,0XCF,0XFC,0X03,0X00,0X00,0X00,0X00,

　　0X00,0X03,0XC0,0X1F,0XFC,0X0F,0X00,0X00,0X03,0X1F,0XFC,0X0E,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X7F,0XFF,0XFF,0X81,0XF0,0X00,0XFC,0XFF,0XFE,0XF8,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X1F,0XFF,0XFE,0X1F,0XFF,0X1F,0XFF,0XFC,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X1F,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFC,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X1F,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X1F,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X0F,0XFF,0X07,0XF0,0XFF,0XF0,0X7F,0X8F,0X80,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X7F,0XFF,0X83,0XE0,0XFF,0XF8,0X0F,0XBF,0XF8,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X01,0XDF,0XF8,0X7D,0XFF,0X7F,0X0F,0XFF,0XC7,0XFE,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X07,0XFF,0XF7,0X00,0X41,0XEF,0XF8,0X02,0X0F,0X78,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X0F,0XFF,0XCC,0X00,0X40,0X7F,0XE0,0X02,0X01,0XBF,0XE0,0X00,0X00,0X00,

　　0X00,0X00,0X0F,0XFE,0X07,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XE0,0X00,0X00,

　　0X00,0X00,0X01,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFE,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X00,0X07,0XFF,0XFF,0XFF,0XFF,0X00,0X00,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X00,0X00,0X00,0X07,0XFF,0X7E,0XE0,0X00,0X00,0X00,0X00,0X00,0X00,

　　0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,

　　};

　　void delay1ms(uint x)//延時函數(shù)

　　{

　　uint i,j;

　　for(i= x;i>0;i--)

　　for(j=110;j>0;j--);

　　}

　　void write_cmd(uchar cmd)//寫指令函數(shù)

　　{

　　lcdrs = 0;

　　lcdwr = 0;

　　P0 = cmd;

　　lcden = 1;

　　delay1ms(5);//

　　lcden = 0;

　　}

　　void write_date(uchar date)//寫數(shù)據(jù)函數(shù)

　　{

　　lcdrs = 1;

　　lcdwr = 0;

　　P0 = date;

　　lcden = 1;

　　delay1ms(5);//

　　lcden = 0;

　　}

　　void init_12864()

　　{

　　PSB = 1;//確定是并行傳送

　　write_cmd(0x30);//基本指令操作

　　write_cmd(0x0c);//開顯示，關掉光標

　　write_cmd(0x01);//清楚lcd的內容

　　}

　　void lcd_putpic(unsigned char code *img)//載入圖畫的函數(shù)

　　{

　　uint i,j;

　　//顯示上半個屏幕的內容

　　for(i = 0;i<32;i++)

　　{

　　write_cmd(0x80+i);//垂直的地址

　　write_cmd(0x80);//水平的地址

　　for(j=0;j<16;j++)

　　{

　　write_date(*img);

　　img++;

　　}

　　}

　　//顯示下半個屏幕的內容

　　for(i = 0;i<32;i++)

　　{

　　write_cmd(0x80+i);//垂直的內容

　　write_cmd(0x88);//水平的地址第三行的內容

　　for(j=0;j<16;j++)

　　{

　　write_date(*img);

　　img++;

　　}

　　}

　　}

　　void setpic()//圖像顯示模式設置函數(shù)

　　{

　　write_cmd(0x36);//選擇8bit的數(shù)據(jù)流，圖像顯示模式

　　delay1ms(5);

　　}

　　main()

　　{

　　init_12864();//初始化液晶

　　setpic();//初始化液晶圖片顯示

　　lcd_putpic(pic1);//載入一幅圖片

　　delay1ms(5);

　　while(1);

　　}

　　以后載入圖片只需要將圖片用取模的軟件，注意圖片的大小必須是128x64的尺寸，否則會出現(xiàn)亂碼，這是個比較容易犯的錯誤，希望大家注意

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關鍵詞： 單片機 12864

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