52单片机控制LCD显示 protues仿真

#include<reg52.h> #include<intrins.h> #define uchar unsigned char #define uint unsigned int //下面是“欢迎访问伊人憔悴百度空间”点阵数据，一个汉字有32字节数据组成 unsigned char code huan[]= // 熊 { 0x00,0xEC,0xAA,0xA9,0xA8,0xAA,0xEC,0x00,0xDF,0x24,0x24,0xA2,0xA2,0x38,0x00,0x00, 0x80,0x6F,0x02,0x02,0x22,0xCA,0x0F,0x00,0x27,0xC9,0x09,0x08,0x28,0xCE,0x00,0x00 }; unsigned char code ying[]= // 秋 { 0x24,0x24,0xA4,0xFE,0x23,0x22,0x80,0x70,0x00,0xFF,0x00,0x80,0x40,0x30,0x00,0x00, 0x08,0x06,0x01,0xFF,0x01,0x86,0x40,0x30,0x0E,0x01,0x06,0x18,0x20,0x40,0x80,0x00 }; unsigned char code fang[]= // 锋 { 0x20,0x10,0x2C,0xE7,0x24,0x24,0x80,0x90,0x4C,0x57,0xA4,0x54,0x4C,0x84,0x80,0x00, 0x01,0x01,0x01,0x7F,0x21,0x11,0x10,0x10,0x15,0x15,0xFF,0x15,0x15,0x10,0x10,0x00 }; unsigned char code wen[]= // 空格 { 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 }; unsigned char code yi[]= // L { 0x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }; unsigned char code ren[]= // C { 0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }; unsigned char code qiao[]= // D { 0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }; unsigned char code cui[]= // 空格 { 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 }; unsigned char code bai[]= // 防 { 0x00,0x80,0x60,0xF8,0x07,0x08,0x08,0xF8,0x89,0x8E,0x88,0x88,0x88,0x08,0x08,0x00, 0x01,0x00,0x00,0xFF,0x80,0x40,0x30,0x0F,0x00,0x40,0x80,0x40,0x3F,0x00,0x00,0x00 }; unsigned char code du[]= // 真 { 0x00,0x04,0x04,0xF4,0x54,0x54,0x54,0x5F,0x54,0x54,0x54,0xF4,0x04,0x04,0x00,0x00, 0x10,0x10,0x90,0x5F,0x35,0x15,0x15,0x15,0x15,0x15,0x35,0x5F,0x90,0x10,0x10,0x00 }; unsigned char code kong[]= //结 { 0x20,0x30,0xAC,0x63,0x20,0x18,0x08,0x48,0x48,0x48,0x7F,0x48,0x48,0x48,0x08,0x00, 0x22,0x67,0x22,0x12,0x12,0x12,0x00,0xFE,0x42,0x42,0x42,0x42,0x42,0xFE,0x00,0x00 }; unsigned char code jian[]= //果 { 0x00,0x00,0x00,0xFE,0x92,0x92,0x92,0xFE,0x92,0x92,0x92,0xFE,0x00,0x00,0x00,0x00, 0x44,0x44,0x24,0x25,0x14,0x0C,0x04,0xFF,0x04,0x0C,0x14,0x25,0x24,0x44,0x44,0x00 }; sbit CS1=P2^0;//片选1,低电平有效，CS1=0开左屏幕，CS1=1关左屏幕 sbit CS2=P2^1;//片选2，低电平有效，CS2=0开右屏幕，CS2=1关右屏幕 sbit RS=P2^2;//数据，指令选择信号，RS=1为数据操作，RS=0为写指令或读状态（一般为读忙标志） sbit RW=P2^3;//读写选择信号，RW=1为读选通，RW=0为写选通 sbit EN=P2^4;//读写使能信号 void busy()//忙检测函数 { P0=0X00; //P0口初始化 RS=0; RW=1; EN=1; while(P0&0X80);//P0&0X80结果为真则一直执行空操作，也就是说P0&0X80为0则结束循环 EN=0; } void wcmd(uchar cmd) { busy(); //每次写入指令或数据之前都进行忙检测 RS=0; RW=0; P0=cmd; EN=1;_nop_();_nop_();//在EN下降沿写入数据和指令 EN=0; } void wdata(uchar dat) //写命令和写数据只在RS=0或RS=1上不同，其余都相同 { busy(); RS=1; RW=0; P0=dat; EN=1;_nop_();_nop_();//在EN下降沿写入数据和指令 EN=0; } void set_page(uchar page)//设置页，12864LCD共有8页，每页有8行点阵点。 { page=0xb8|page; //首页地址为0XB8 wcmd(page); //page取值范围为0~7,表示第1到8页 } void set_line(uchar line)//设置显示的起始行，共有0——63行，一般从0行开始显示 { line=0xc0|line; //起始行地址0XC0 wcmd(line); //line取值范围为0~63，表示第1到64行 } void set_column(uchar column)//设置显示的列 { //column=column&0x3f; //列的最大值为0X3F，即64 column=0x40|column; //列的首地址为0X40, wcmd(column); //column的取值范围为0~63，共64列 } void set_onoff(uchar onoff)//设置显示开关，onoff取值为0或1 { onoff|=0x3e;//0X3E是关显示，0X3F是开显示 wcmd(onoff);//所以若onoff为0，则表示关显示，onoff为1，则表示开显示 } void select_screen(uchar screen)//选屏，screen取值范围为0,1,2 { switch(screen) { case 0:CS1=0;CS2=0;break; //全屏 case 1:CS1=0;CS2=1;break; //左半屏 case 2:CS1=1;CS2=0;break; //右半屏 default:break; } } void clear_screen(uchar screen)//清屏 { uchar i,j; select_screen(screen);//先选屏 for(i=0;i<8;i++)//控制页数0——7，共8页 { set_page(i);//设置页 set_column(0); //设置列，每页都从第1列开始，共64列 for(j=0;j<64;j++)//控制列数0——63，共64列 wdata(0x00);//写入0，列地址指针会自动加1 } } void init() //LCD初始化 { busy(); //忙检测 select_screen(0);//选屏，全屏 set_onoff(0); //关显示 select_screen(0); //选屏，全屏 set_onoff(1); //开显示 select_screen(0); //选屏，全屏 clear_screen(0); //清屏 set_line(0); //起始行：0 } void show(uchar screen,uchar page,uchar column,uchar *p)//显示一个汉字，一个汉字有32字节数据 { uchar i; //screen表示选择屏幕，page表示页，column表示列，*p表示汉字的数组 select_screen(screen); //选屏 set_page(page); //设置页，写上半页 set_column(column);//设置列 for(i=0;i<16;i++) //控制16列的数据输出 wdata(p[i]); //汉字的上半部分 set_page(page+1); //写下半页 set_column(column); //控制列 for(i=0;i<16;i++) //控制16列的数据输出 wdata(p[i+16]); //汉字的下半部分 } void main() { init(); //LCD初始化 clear_screen(0); //清屏 set_line(0); show(1,0,2*16,huan);//熊 /* 1表示左屏显示，0表示从0页开始显示。因为一页只有8行点， 而显示一个汉字需要16行点（整屏有64行点），所以显示一个汉字需要2页 第0页显示“熊”字的上半部分，第1页显示“熊”汉字的下半部分 2*16表示从第32列开始显示，前面空出0~31列（即2个字的位置） */ show(1,0,3*16,ying);//秋 show(2,0,0*16,fang);//锋 show(2,0,1*16,wen); //空格 show(1,2,0*16,yi); //L show(1,2,1*16,ren); //C show(1,2,2*16,qiao); //D show(1,2,3*16,cui); //空格 show(2,2,0*16,bai); //防 show(2,2,1*16,du); //真 show(2,2,2*16,kong); //结 show(2,2,3*16,jian); //果 while(1); }