LCD1602和12864的驱动程序，proteus仿真通过

#include <reg51.h> #define uc unsigned char #define ui unsigned int sbit E=P3^4;//使能引脚 sbit RW=P3^3;//读写选择 sbit RS=P3^2;//数据 指令选择 sbit R=P3^1;//左屏选择 这是因为此显示器不带字库 sbit L=P3^0;//右屏选择 且是两个控制器分别控制64*64 组合起来控制128*64 sbit Busy=P2^7;//检测LCD忙信号 uc i,j; uc code picture1[16][64]; uc code picture2[][64]; void Delay(uc); void InitLCD(void); void CheckBusy(void); void Wcode(uc); void Wdata(uc); void Display_pic(uc temp[][64]); void Clean(void); void Delay(uc delay) { while(delay--) { for(i=0;i<120;i++); } } void CheckBusy(void) { E=1;//使能LCD RS=0;//选择指令寄存器 RW=1;//读 P2=0xff;//先进行一次空读，接下来才能读到真正数据 while(!Busy);//等待直到不忙 } void Wcode(uc cd) { CheckBusy();//写命令前检查 E=1;//使能 RW=0;//写 RS=0;//指令寄存器 P2=cd;//要写的指令码 E=1;//下面两句产生下降沿 使得写操作有效 E=0; } void Wdata(uc dat) { CheckBusy();//读命令前检查 E=1; RW=0; RS=1; P2=dat; E=1; E=0; } void InitLCD(void) { Wcode(0x3f);//开显示 Wcode(0xc0);//设置起始行为第一行 Wcode(0xb8);//页面地址设置第一页 Wcode(0x40);//列地址设置为0 } void Display_pic(uc temp[][64] ) { for(i=0;i<8;i++) { L=0;R=1;//选择左屏 Wcode(0xb8|i); Wcode(0x40);//第一列 for(j=0;j<64;j++) Wdata(temp[2*i][j]); L=1;R=0; Wcode(0xb8|i); Wcode(0x40); for(j=0;j<64;j++) Wdata(temp[2*i+1][j]); } } void Clean(void) { L=0;R=0;//选择两个屏幕控制器 for(i=0;i<8;i++)//控制页数 { Wcode(0xb8|i); Wcode(0x40);//列起始地址设为第一列 for(j=0;j<64;j++) { Wdata(0x00); } } } void main(void) { P2=0x00; InitLCD(); while(1) { Clean(); Display_pic(picture1); Delay(1000); Clean(); Display_pic(picture2); Delay(1000); } } //取模时仍然是纵向8点下高位 uc code picture1[16][64] = // 数据表 { 0x80,0xC0,0xE0,0xF0,0xF8,0xF8,0xFC,0x7C, 0x7E,0x3E,0x3E,0x1F,0x1F,0x1F,0x1F,0x1F, 0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F, 0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F, 0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F, 0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F, 0x0F,0x0F,0x0F,0x0F,0x0F,0xCF,0xEF,0xFF, 0xFF,0xFF,0xFF,0xEF,0xEF,0xEF,0xEF,0xCF, 0xCF,0xCF,0xCF,0xCF,0x8F,0x8F,0x8F,0x8F, 0x8F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F, 0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F, 0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0F, 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