经典LCD12864仿真
- #include<reg51.h>
- #include<intrins.h>
- #define uchar unsigned char
- #define uint unsigned int
- unsigned char code xi[]= // xi
- {
- 0x00,0x00,0x22,0x32,0x2A,0xA6,0xA2,0x62,0x21,0x11,0x09,0x81,0x01,0x00,0x00,0x00,
- 0x00,0x42,0x22,0x13,0x0B,0x42,0x82,0x7E,0x02,0x02,0x0A,0x12,0x23,0x46,0x00,0x00,
- };
- unsigned char code tong[]= // tong
- {
- 0x20,0x30,0xAC,0x63,0x30,0x00,0x88,0xC8,0xA8,0x99,0x8E,0x88,0xA8,0xC8,0x88,0x00,
- 0x22,0x67,0x22,0x12,0x12,0x80,0x40,0x30,0x0F,0x00,0x00,0x3F,0x40,0x40,0x71,0x00,
- };
- unsigned char code chu[]= // chu
- {
- 0x08,0x08,0x89,0xEA,0x18,0x88,0x00,0x04,0x04,0xFC,0x04,0x04,0x04,0xFC,0x00,0x00,
- 0x02,0x01,0x00,0xFF,0x01,0x86,0x40,0x20,0x18,0x07,0x40,0x80,0x40,0x3F,0x00,0x00,
- };
- unsigned char code shi[]= // shi
- {
- 0x10,0x10,0xF0,0x1F,0x10,0xF0,0x00,0x40,0xE0,0x58,0x47,0x40,0x50,0x60,0xC0,0x00,
- 0x40,0x22,0x15,0x08,0x16,0x21,0x00,0x00,0xFE,0x42,0x42,0x42,0x42,0xFE,0x00,0x00,
- };
- unsigned char code hua[]= // hua
- {
- 0x00,0x80,0x60,0xF8,0x07,0x00,0x00,0x00,0xFF,0x40,0x20,0x10,0x08,0x04,0x00,0x00,
- 0x01,0x00,0x00,0xFF,0x00,0x04,0x02,0x01,0x3F,0x40,0x40,0x40,0x40,0x40,0x78,0x00,
- };
- unsigned char code qi[]= // qi
- {
- 0x00,0x00,0x00,0xFC,0x44,0x44,0x44,0x45,0x46,0x44,0x44,0x44,0x44,0x7C,0x00,0x00,
- 0x40,0x20,0x18,0x07,0x00,0xFC,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0xFC,0x00,0x00,
- };
- unsigned char code dong[]= // dong
- {
- 0x40,0x44,0xC4,0x44,0x44,0x44,0x40,0x10,0x10,0xFF,0x10,0x10,0x10,0xF0,0x00,0x00,
- 0x10,0x3C,0x13,0x10,0x14,0xB8,0x40,0x30,0x0E,0x01,0x40,0x80,0x40,0x3F,0x00,0x00,
- };
- unsigned char code kong[]= // dong
- {
- 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 shu[]= // dong
- {
- 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,
- /*-- 文字: 1 --*/
- /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/
- 0x00,0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,
- /*-- 文字: 2 --*/
- /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/
- 0x00,0x70,0x08,0x08,0x08,0x08,0xF0,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,
- /*-- 文字: 3 --*/
- /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/
- 0x00,0x30,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x18,0x20,0x21,0x21,0x22,0x1C,0x00,
- /*-- 文字: 4 --*/
- /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/
- 0x00,0x00,0x80,0x40,0x30,0xF8,0x00,0x00,0x00,0x06,0x05,0x24,0x24,0x3F,0x24,0x24,
- /*-- 文字: 5 --*/
- /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/
- 0x00,0xF8,0x88,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x20,0x20,0x20,0x11,0x0E,0x00,
- /*-- 文字: 6 --*/
- /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/
- 0x00,0xE0,0x10,0x88,0x88,0x90,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x20,0x1F,0x00,
- /*-- 文字: 7 --*/
- /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/
- 0x00,0x18,0x08,0x08,0x88,0x68,0x18,0x00,0x00,0x00,0x00,0x3E,0x01,0x00,0x00,0x00,
- /*-- 文字: 8 --*/
- /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/
- 0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,
- /*-- 文字: 9 --*/
- /*-- 宋体12; 此字体下对应的点阵为:宽x高=8x16 --*/
- 0x00,0xF0,0x08,0x08,0x08,0x10,0xE0,0x00,0x00,0x01,0x12,0x22,0x22,0x11,0x0F,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
- sbit k1=P1^0;
- void wcmd(uchar cmd)//写命令
- {
- 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
- {
- 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 show8(uchar screen,uchar page,uchar column,int qq)//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<8;i++) //控制16列的数据输出
- wdata(shu[i+qq*16]); //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<8;i++) //控制16列的数据输出
- wdata(shu[i+8+qq*16]); //汉字的下半部分
- }
- void main()
- {init(); //LCD初始化
- clear_screen(0); //清屏
- show(1,0,0,xi);//显示“初”
- show(1,0,16,tong);//显示“始”
- show(1,0,32,chu);//显示“化”
- show(1,0,48,shi);//显示“化”
- show(2,0,0,hua);//显示“化”
- while(1)
- {
- show8(2,0,32,3);//显示“化”
- if(k1==0)
- {
- show(1,0,48,qi);//显示“启”
- show(2,0,0,dong);//显示“动
- show(1,0,32,kong);//显示“ ”
- }
- }
- }
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