12864液晶4位并行接口驱动程序.doc

#include#include#include#include#define uchar unsigned char #define uint unsigned int#define DATA 1#define COMMAND 0sbit rs=P24;sbit rw=P25;sbit en=P26;sbit psb=P21;sbit rst=P23;sbit key=P10;uchar code AC_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;uchar code str1=黄河远上白云间，一片孤城万仞山。羌笛何须怨杨柳，春风不度玉门关。;uchar code bmp1=/*/ / 位图点阵占用1024字节/*/0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x0F,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x3F,0xC0,0x00,0x07,0x07,0x00,0x04,0x01,0x00,0x00,0x38,0x60,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x78,0xE0,0x00,0x3F,0x83,0x80,0x06,0x03,0x80,0x00,0x1C,0x70,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x02,0x38,0x70,0x00,0xFF,0x07,0x80,0x06,0x39,0x80,0x00,0x1F,0x70,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x02,0x1C,0x30,0x00,0x7C,0x0E,0x00,0x06,0x19,0xC0,0x00,0x1F,0x80,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x02,0x1C,0x30,0x00,0x3E,0x1C,0x00,0x06,0x1F,0xC0,0x00,0x7F,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x03,0x3E,0x30,0x00,0x62,0x1A,0x00,0x0F,0x79,0x00,0x03,0xFE,0x00,0x00,0x01,0x80,0x00,0x00,0x60,0x0F,0x00,0x3F,0x00,0x00,0x00,0x3C,0x00,0xC0,0x00,0x00,0x01,0x80,0x07,0x76,0x18,0x00,0xC3,0xC1,0x00,0x1F,0xFB,0x00,0x03,0xFE,0x00,0x00,0x01,0x80,0x00,0x01,0xE0,0x3F,0xC0,0xF1,0xC0,0x00,0x00,0xF0,0x01,0xC0,0x00,0x00,0x01,0x80,0x07,0x6E,0x18,0x00,0xCF,0xC1,0x80,0x7E,0x3F,0x80,0x01,0xE2,0x00,0x00,0x01,0x80,0x00,0x07,0xE0,0x7F,0xE0,0xE0,0xE0,0x00,0x03,0xC0,0x03,0xC0,0x00,0x00,0x01,0x80,0x07,0x7F,0x98,0x00,0xFE,0x83,0x81,0xFC,0x1E,0xC0,0x00,0x83,0x00,0x00,0x01,0x80,0x00,0x0F,0xE0,0x63,0xE1,0xE0,0xE0,0x00,0x07,0x00,0x03,0xC0,0x00,0x00,0x01,0x80,0x06,0xFF,0xD8,0x01,0xFA,0x87,0x00,0xFD,0xF8,0xC0,0x01,0x73,0x00,0x00,0x01,0x80,0x00,0x01,0xE0,0xC1,0xE1,0xE0,0xE0,0x00,0x0F,0x00,0x07,0xC0,0x00,0x00,0x01,0x80,0x0F,0xD9,0xD8,0x03,0xE3,0x0E,0x80,0xFE,0x7E,0xC0,0x03,0xF9,0x80,0x00,0x01,0x80,0x00,0x01,0xE0,0x01,0xE1,0xF0,0xE0,0x00,0x1E,0x00,0x0B,0xC0,0x00,0x00,0x01,0x80,0x0D,0xB8,0x18,0x1F,0xC3,0x08,0xC0,0x0E,0x6D,0x80,0x03,0xF1,0x80,0x00,0x01,0x80,0x00,0x01,0xE0,0x01,0xE0,0xFD,0xC7,0xEF,0x9E,0x00,0x13,0xC0,0x00,0x00,0x01,0x80,0x0D,0xFE,0x18,0x0F,0xC2,0x10,0xE0,0x1C,0x3F,0x00,0x03,0xE0,0xC0,0x00,0x01,0x80,0x00,0x01,0xE0,0x01,0xC0,0xFF,0x83,0xC6,0x1F,0xE0,0x13,0xC0,0x00,0x00,0x01,0x80,0x0D,0xCE,0x18,0x06,0xC2,0x01,0xC0,0x38,0x3E,0x00,0x00,0xE8,0xC0,0x00,0x01,0x80,0x00,0x01,0xE0,0x01,0x80,0x3F,0x81,0xE4,0x3C,0x78,0x23,0xC0,0x00,0x00,0x01,0x80,0x0C,0x4C,0x18,0x00,0xC2,0x03,0x80,0x78,0x1F,0xF0,0x00,0xFC,0x60,0x00,0x01,0x80,0x00,0x01,0xE0,0x03,0x80,0x3F,0xC1,0xE8,0x3C,0x78,0x43,0xC0,0x00,0x00,0x01,0x80,0x0C,0x5E,0x18,0x00,0xC2,0x07,0x00,0x68,0x3F,0xF8,0x03,0xFC,0x22,0x00,0x01,0x80,0x00,0x01,0xE0,0x03,0x00,0x6F,0xC0,0xF0,0x3C,0x3C,0x83,0xC0,0x00,0x00,0x01,0x80,0x06,0x3F,0x38,0x01,0x82,0x0E,0x00,0x09,0xF8,0x00,0x03,0xC0,0x32,0x00,0x01,0x80,0x00,0x01,0xE0,0x06,0x00,0xC3,0xE0,0x78,0x3C,0x3C,0xFF,0xF0,0x00,0x00,0x01,0x80,0x07,0x10,0x38,0x00,0x82,0x1C,0x00,0x0B,0x99,0xC0,0x03,0x00,0x1A,0x00,0x01,0x80,0x00,0x01,0xE0,0x0C,0x11,0xC3,0xE0,0x78,0x3C,0x3C,0xFF,0xF0,0x00,0x00,0x01,0x80,0x03,0xFF,0xF0,0x00,0x02,0x38,0x00,0x08,0x30,0xE0,0x02,0x00,0x1E,0x00,0x01,0x80,0x00,0x01,0xE0,0x08,0x11,0xC1,0xE0,0x7C,0x3C,0x3C,0xFF,0xF0,0x00,0x00,0x01,0x80,0x01,0xEF,0xF0,0x00,0x00,0xE0,0x00,0x08,0xE0,0x60,0x00,0x00,0x0E,0x00,0x01,0x80,0x00,0x01,0xE0,0x1F,0xF1,0xC1,0xE0,0xBC,0x1C,0x3C,0x03,0xC0,0x00,0x00,0x01,0x80,0x00,0x03,0xE0,0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x07,0x00,0x01,0x80,0x00,0x01,0xE0,0x3F,0xE1,0xC1,0xC0,0x9E,0x1E,0x38,0x03,0xC0,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x80,0x00,0x01,0xF0,0x7F,0xE0,0xE3,0x83,0x1F,0x0E,0x70,0x03,0xC0,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x0F,0xFC,0xFF,0xE0,0x3F,0x07,0xDF,0x83,0xE0,0x03,0xC0,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,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writeByte(uchar flag,uchar content);void delayUs(uint z) while(z-);void delay1MS(uchar x) uchar k,j; x=x1; for(k=0;kx;k+) for(j=0;j4; temp1=(temp1+temp2); while(temp1&0x80)=0x80); void init() rst=0; delayUs(40); rst=1; delayUs(40); psb=1; delayUs(8); writeByte(COMMAND,0x20); /基本指令集 4bit数据 delayUs(8); writeByte(COMMAND,0x01); delayUs(8); writeByte(COMMAND,0x06); delayUs(8); writeByte(COMMAND,0x0c); delayUs(8);/* * 函数名称 ：SendByte * 功能描述 ：串口发送一个字节 *flag=1,写入数据。flag=0,写入命令。*/void writeByte(uchar flag,uchar content) CheckBusy(); /delayUs(10); en=0; delayUs(5); if(flag) rs=1; else rs=0; rw=0; en=1; P0=content&0xf0;/数据高4位放到P0口高四位上 delayUs(10); en=0; if(flag) rs=1; else rs=0; delayUs(5); rw=0; en=1; P0=(content4; return (temp1+temp2); /* 函数名称 ：LcmClearTXT* 功能描述 ：文本区清RAM函数*/void LcmClearTXT( void ) uchar i; writeByte(0,0x20); /4BitMCU,基本指令集合 writeByte(0,0x80); /AC归起始位 for(i=0;i64;i+) writeByte(1,0x20);/* 函数名称 ：LcmClearBMP* 功能描述 ：图形区清RAM函数*/void LcmClearBMP( void ) uchar i,j; writeByte(0,0x24); /4Bit扩充指令集 writeByte(0,0x26); /绘图ON for(i=0;i32;i+) /12864实际为256x32 writeByte(0,0x80|i); /行位置 writeByte(0,0x80); /列位置 for(j=0;j32;j+) /256/8=32 byte writeByte(1,0x00); /* 函数名称 ：PutStr*/void PutStr(uchar row,uchar col,uchar *puts) writeByte(0,0x20); /4BitMCU,基本指令集合 writeByte(0,AC_TABLE8*row+col); /起始位置 while(*puts != 0) /判断字符串是否显示完毕 if(col=8) /判断换行 /若不判断,则自动从第一行到第三行 col=0; row+; if(row=4) row=0; /一屏显示完,回到屏左上角 writeByte(0,AC_TABLE8*row+col); writeByte(1,*puts); /一个汉字要写两次 puts+; writeByte(1,*puts); puts+; col+; /* 函数名称 ：PutBMP*/void PutBMP(uchar *puts) uint x=0; uchar i,j; writeByte(0,0x24); /4Bit扩充指令集 writeByte(0,0x26); /绘图ON for(i=0;i32;i+) /12864实际为256x32 writeByte(0,0x80|i); /行位置 writeByte(0,0x80); /列位置 for(j=0;j16;j+) /256/8=32 byte /列位置每行自动增加 writeByte(1,putsx); x+; for(i=0;i32;i+) /12864实际为256x32 writeByte(0,0x80|i); /行位置 writeByte(0,0x88); /列位置 for(j=0;j16;j+) /256/8=32 byte /列位置每行自动增加 writeByte(1,putsx); x+; /* 函数名称 ：DisplayDots*/void DisplayDots(uchar DotByte) uchar i,j; writeByte(0,0x24); /4Bit扩充指令? writeByte(0,0x26); /绘图ON for(i=0;i32;i+) /12864实际为256x32 writeByte(0,0x80|i); /行位置 writeByte(0,0x80); /列位置 for(j=0;j4; Tier_bit=X&0x0f ; if(Y32) Row=Y ; else Row=Y-32; Tier+=8; writeByte(0,Row+0x80); writeByte(0,Tier+0x80); receiveByte(1); ReadOldH=receiveBy