lcd显示程序

时间:2014-12-12 15:51:11
【文件属性】:

文件名称:lcd显示程序

文件大小:82KB

文件格式:DOC

更新时间:2014-12-12 15:51:11

LCD显示程序

#include //包含头文件 #include //包含固有函数 #define uint unsigned int //定义一下方便使用 #define uchar unsigned char //定义一下方便使用 #define DATA P0 //LCD12864数据线 sbit RS=P2^2; // 数据\指令 D、I 选择 sbit RW=P2^1; // 读\写 选择 R、W sbit EN=P2^0; // 读\写使能 sbit cs1=P2^4; // 片选1 sbit cs2=P2^3; // 片选2 /********************************/ /* 定义图形字库 */ uchar code Hzk[]={ //左屏幕第1页 0xFF,0xFF,0xFF,0xFF,0x7F,0xBF,0x3F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF, 0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF, 0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF, 0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF, //左屏幕第2页 0xFF,0xFF,0xFF,0xAB,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, //左屏幕第3页 0xFF,0xFF,0xFF,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0xE0,0xEA,0xE0,0xEA, 0xE0,0xEA,0xE0,0xEA,0xE0,0xEA,0xC0,0xAA,0x00,0xAA,0xE0,0xEA,0xE0,0xEA,0xE0,0xEA, 0xE0,0xEA,0xE0,0xEA,0xE0,0xEA,0x80,0xAA,0x00,0xAA,0x00,0xAA,0xC0,0xEA,0xE0,0xEA, 0xE0,0xEA,0xE0,0xEA,0xC0,0xEA,0x80,0xAA,0x00,0xAA,0xE0,0xEA,0xE0,0xEA,0xE0,0xEA, //左屏幕第4页 0xFF,0xFF,0xFF,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0xFF,0xFF,0xFF,0xFF, 0x38,0xBA,0x38,0xBF,0x3F,0xBF,0x1F,0xAF,0x00,0xAA,0xFF,0xFF,0xFF,0xFF,0xFF,0xBA, 0x78,0xFA,0xFD,0xFF,0xDF,0xBF,0x0F,0xAA,0x00,0xFE,0xFF,0xFF,0xFF,0xFF,0x01,0xAA, 0x00,0xAA,0x01,0xEF,0xFF,0xFF,0xFF,0xFE,0x00,0xAA,0x00,0xAA,0x00,0xAA,0xFF,0xFF, //左屏幕第5页 0xFF,0xFF,0xFF,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x0F,0xAF,0x0F,0xAF, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x0F,0xAF,0x0F,0xAF,0x0F,0xAA, 0x00,0xAA,0x03,0xAF,0x0F,0xAF,0x0F,0xAE,0x00,0xAA,0x01,0xAB,0x07,0xAF,0x0F,0xAE, 0x0E,0xAE,0x0F,0xAF,0x07,0xAF,0x03,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x0F,0xAF, //左屏幕第6页 0xFF,0xFF,0xFF,0xEA,0x80,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, //左屏幕第7页 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE, 0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE, 0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE, 0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE, //左屏幕第8页 0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F, 0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F, 0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F, 0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F, //右屏幕第1页 0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF, 0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF, 0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF, 0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x1F,0xBF,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00, //右屏幕第2页 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x01,0xFF,0xFF,0xFF,0xFF,0x00, //右屏幕第3页 0xE0,0xEA,0xE0,0xEA,0xE0,0xEA,0xE0,0xAA,0x00,0xEA,0xE0,0xEA,0xE0,0xEA,0xE0,0xEA, 0xE0,0xEA,0xE0,0xEA,0xE0,0xAA,0x00,0xAA,0xE0,0xEA,0xE0,0xEA,0x00,0xAA,0x00,0xAA, 0x00,0xEA,0xE0,0xEA,0xE0,0xAA,0x00,0xAA,0x80,0xEA,0xC0,0xEA,0xE0,0xEA,0xE0,0xEA, 0xE0,0xEA,0x80,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xFF,0xFF,0xFF,0xFF,0x00, //右屏幕第4页 0xFF,0xFF,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xFF,0xFF,0xFF,0xFF,0xBA,0x38,0xBA, 0x38,0xBA,0x38,0xBA,0x00,0xAA,0x00,0xAA,0xFF,0xFF,0xFF,0xFF,0x00,0xAA,0x00,0xAA, 0x00,0xFF,0xFF,0xFF,0xFF,0xAA,0x00,0xAA,0x8F,0xAF,0x9F,0xBF,0x3C,0xBE,0x38,0xFB, 0xFB,0xFB,0xF3,0xEB,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xFF,0xFF,0xFF,0xFF,0x00, //右屏幕第5页 0x0F,0xAF,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAF,0x0F,0xAF,0x0F,0xAE,0x0E,0xAE, 0x0E,0xAE,0x0E,0xAE,0x0E,0xAA,0x00,0xAA,0x03,0xAF,0x07,0xAF,0x0F,0xAE,0x0E,0xAE, 0x0F,0xAF,0x07,0xAB,0x01,0xAA,0x00,0xAB,0x03,0xAF,0x07,0xAF,0x0E,0xAE,0x0E,0xAF, 0x0F,0xAF,0x07,0xAB,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xFF,0xFF,0xFF,0xFF,0x00, //右屏幕第6页 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA, 0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0x00,0xAA,0xE0,0xFF,0xFF,0xFF,0xFF,0x00, //右屏幕第7页 0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE, 0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE, 0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE, 0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00, //右屏幕第8页 0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F, 0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F, 0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F, 0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x00, }; /*状态检查,LCD是否忙*/ void CheckState() { uchar dat;//状态信息(判断是否忙) RS=0; // 数据\指令选择,D/I(RS)=“L” ,表示 DB7∽DB0 为显示指令数据 RW=1; //R/W=“H” ,E=“H”数据被读到DB7∽DB0 do{ DATA=0x00; EN=1; //EN下降源 _nop_(); //一个时钟延时 dat=DATA; EN=0; dat=dat>>7; //仅当第7位为0时才可操作(判别busy信号) }while(!(dat==0x00)); } /*写命令到LCD中*/ SendCommandToLCD(uchar com) { CheckState();//状态检查,LCD是否忙 RS=0; //向LCD发送命令。RS=0写指令,RS=1写数据 RW=0;//R/W=“L” ,E=“H→L”数据被写到 IR 或 DR DATA=com; //com :命令 EN=1;//EN下降源 _nop_(); _nop_(); EN=0; } /*设置页 0xb8是页的首地址*/ void SetLine(uchar page) { page=0xb8|page; //1011 1xxx 0<=page<=7 设定页地址--X 0-7,8行为一页64/8=8,共8页 SendCommandToLCD(page); } /*设定显示开始行,0xc0是行的首地址*/ void SetStartLine(uchar startline) { startline=0xc0|startline; //1100 0000 SendCommandToLCD(startline); //设置从哪行开始:0--63,一般从0 行开始显示 } /*设定列地址--Y 0-63 ,0x40是列的首地址*/ void SetColumn(uchar column) { column=column &0x3f; //column最大值为64,越出 0=


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