屏幕截圖(90).png (244.5 KB, 下載次數: 31)
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仿真
2018-3-30 11:54 上傳
屏幕截圖(91).png (158.26 KB, 下載次數: 26)
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程序
2018-3-30 11:54 上傳
//C程序如下:
- #include<reg52.h>
- #include<intrins.h>
- #define uchar unsigned char
- #define uint unsigned int
- //下面是“歡迎訪問伊人憔悴百度空間”點陣數據,一個漢字有32字節數據組成
- unsigned char code huan[]= // 歡
- {
- 0x04,0x24,0x44,0x84,0x64,0x9C,0x40,0x30,0x0F,0xC8,0x08,0x08,0x28,0x18,0x00,0x00,
- 0x10,0x08,0x06,0x01,0x82,0x4C,0x20,0x18,0x06,0x01,0x06,0x18,0x20,0x40,0x80,0x00
- };
- unsigned char code ying[]= //迎
- {
- 0x40,0x40,0x42,0xCC,0x00,0x00,0xFC,0x04,0x02,0x00,0xFC,0x04,0x04,0xFC,0x00,0x00,
- 0x00,0x40,0x20,0x1F,0x20,0x40,0x4F,0x44,0x42,0x40,0x7F,0x42,0x44,0x43,0x40,0x00
- };
- unsigned char code fang[]= //訪
- {
- 0x40,0x40,0x42,0xCC,0x00,0x08,0x08,0xF8,0x89,0x8E,0x88,0x88,0x88,0x08,0x08,0x00,
- 0x00,0x00,0x00,0x3F,0x90,0x48,0x30,0x0F,0x00,0x40,0x80,0x40,0x3F,0x00,0x00,0x00
- };
- unsigned char code wen[]= //問
- {
- 0x00,0xF8,0x01,0x02,0x00,0xE2,0x22,0x22,0x22,0xE2,0x02,0x02,0x02,0xFE,0x00,0x00,
- 0x00,0xFF,0x00,0x00,0x00,0x1F,0x08,0x08,0x08,0x1F,0x00,0x40,0x80,0x7F,0x00,0x00
- };
- unsigned char code yi[]= //伊
- {
- 0x00,0x80,0x60,0xF8,0x07,0x20,0x22,0x22,0xFE,0x22,0x22,0x22,0xFE,0x20,0x20,0x00,
- 0x01,0x00,0x00,0xFF,0x00,0x80,0x42,0x32,0x0F,0x02,0x02,0x02,0x07,0x00,0x00,0x00
- };
- unsigned char code ren[]= //人
- {
- 0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x3F,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
- 0x80,0x40,0x20,0x10,0x0C,0x03,0x00,0x00,0x00,0x03,0x0C,0x10,0x20,0x40,0x80,0x00
- };
- unsigned char code qiao[]= //憔
- {
- 0xE0,0x00,0xFF,0x10,0x20,0x10,0xFC,0x27,0x24,0x25,0xFE,0x24,0x24,0x24,0x04,0x00,
- 0x01,0x00,0xFF,0x00,0x80,0x60,0x1F,0x29,0xC9,0x09,0x2F,0xC9,0x09,0x29,0xC8,0x00
- };
- unsigned char code cui[]= //悴
- {
- 0x80,0x70,0x00,0xFF,0x08,0x90,0x44,0x34,0x45,0x86,0x44,0x34,0x44,0x84,0x00,0x00,
- 0x00,0x00,0x00,0xFF,0x00,0x04,0x04,0x04,0x04,0xFE,0x04,0x04,0x04,0x04,0x04,0x00
- };
- unsigned char code bai[]= //百
- {
- 0x02,0x02,0xE2,0x22,0x22,0x32,0x2A,0x26,0x22,0x22,0x22,0x22,0xE2,0x02,0x02,0x00,
- 0x00,0x00,0xFF,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0xFF,0x00,0x00,0x00
- };
- unsigned char code du[]= //度
- {
- 0x00,0x00,0xFC,0x24,0x24,0x24,0xFC,0x25,0x26,0x24,0xFC,0x24,0x24,0x24,0x04,0x00,
- 0x40,0x30,0x8F,0x80,0x84,0x4C,0x55,0x25,0x25,0x25,0x55,0x4C,0x80,0x80,0x80,0x00
- };
- unsigned char code kong[]= //空
- {
- 0x10,0x0C,0x44,0x24,0x14,0x04,0x05,0x06,0x04,0x04,0x14,0x24,0x44,0x14,0x0C,0x00,
- 0x00,0x40,0x40,0x41,0x41,0x41,0x41,0x7F,0x41,0x41,0x41,0x41,0x40,0x40,0x00,0x00
- };
- unsigned char code jian[]= //間
- {
- 0x00,0xF8,0x01,0x06,0x00,0xF0,0x12,0x12,0x12,0xF2,0x02,0x02,0x02,0xFE,0x00,0x00,
- 0x00,0xFF,0x00,0x00,0x00,0x1F,0x11,0x11,0x11,0x1F,0x00,0x40,0x80,0x7F,0x00,0x00
- };
- sbit CS1=P2^0;//片選1,低電平有效,CS1=0開左屏幕,CS1=1關左屏幕
- sbit CS2=P2^1;//片選2,低電平有效,CS2=0開右屏幕,CS2=1關右屏幕
- sbit RS=P2^2;//數據,指令選擇信號,RS=1為數據操作,RS=0為寫指令或讀狀態(一般為讀忙標志)
- sbit RW=P2^3;//讀寫選擇信號,RW=1為讀選通,RW=0為寫選通
- sbit EN=P2^4;//讀寫使能信號
- void busy()//忙檢測函數
- {P0=0X00; //這句不能少
- RS=0;
- RW=1;
- EN=1;
- while(P0&0X80);//P0&0X80結果為真則一直執行空操作,也就是說P0&0X80為0則結束循環
- EN=0;
- }
- void wcmd(uchar cmd)
- {busy(); //每次寫入指令或數據之前都進行忙檢測
- RS=0;
- RW=0;
- P0=cmd;
- EN=1;_nop_();_nop_();//在EN下降沿寫入數據和指令
- EN=0;
- }
- void wdata(uchar dat) //寫命令和寫數據只在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下降沿寫入數據和指令
- EN=0;
- }
- void set_page(uchar page)//設置頁,12864LCD共有8頁,每頁有8行點陣點。
- {page=0xb8|page; //首頁地址為0XB8
- wcmd(page); //page取值范圍為0~7,表示第1到8頁
- }
- void set_line(uchar line)//設置顯示的起始行,共有0——63行,一般從0行開始顯示
- {line=0xc0|line; //起始行地址0XC0
- wcmd(line); //line取值范圍為0~63,表示第1到64行
- }
- void set_column(uchar column)//設置顯示的列
- {//column=column&0x3f; //列的最大值為0X3F,即64
- column=0x40|column; //列的首地址為0X40,
- wcmd(column); //column的取值范圍為0~63,共64列
- }
- void set_onoff(uchar onoff)//設置顯示開關,onoff取值為0或1
- {onoff|=0x3e;//0X3E是關顯示,0X3F是開顯示
- wcmd(onoff);//所以若onoff為0,則表示關顯示,onoff為1,則表示開顯示
- }
- void select_screen(uchar screen)//選屏,screen取值范圍為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);//先選屏
- for(i=0;i<8;i++)//控制頁數0——7,共8頁
- {set_page(i);//設置頁
- set_column(0); //設置列,每頁都從第1列開始,共64列
- for(j=0;j<64;j++)//控制列數0——63,共64列
- wdata(0x00);//寫入0,列地址指針會自動加1
- }
- }
- void init() //LCD初始化
- {busy(); //忙檢測
- select_screen(0);//選屏,全屏
- set_onoff(0); //關顯示
- select_screen(0); //選屏,全屏
- set_onoff(1); //開顯示
- select_screen(0); //選屏,全屏
- clear_screen(0); //清屏
- set_line(0); //起始行:0
- }
- void show(uchar screen,uchar page,uchar column,uchar *p)//顯示一個漢字,一個漢字有32字節數據
- {uchar i; //screen表示選擇屏幕,page表示頁,column表示列,*p表示漢字的數組
- select_screen(screen); //選屏
- set_page(page); //設置頁,寫上半頁
- set_column(column);//設置列
- for(i=0;i<16;i++) //控制16列的數據輸出
- wdata(p[i]); //漢字的上半部分
- set_page(page+1); //寫下半頁
- set_column(column); //控制列
- for(i=0;i<16;i++) //控制16列的數據輸出
- wdata(p[i+16]); //漢字的下半部分
- }
- void main()
- {init(); //LCD初始化
- clear_screen(0); //清屏
- set_line(0); //顯示開始行
- //1表示左屏顯示,0表示從0頁開始顯示。因為一頁只有8行點,
- //而顯示一個漢字需要16行點(整屏有64行點),所以顯示一個漢字需要2頁
- //第0頁顯示“歡”字的上半部分,第1頁顯示“歡”漢字的下半部分
- //2*16表示從第32列開始顯示,前面空出0~31列(即2個字的位置)
- show(1,0,2*16,huan);//歡
- //1表示左屏顯示,0表示從0頁開始顯示
- //3*16表示從第48列開始顯示,前面空出0~477列(即3個漢字的位置)
- show(1,0,3*16,ying);//迎
- //2表示右屏顯示,0表示從0頁開始顯示
- //0*16表示從第0列開始顯示(即第一個漢字的位置)
- show(2,0,0*16,fang);//訪
- //1*16表示從第16列開始顯示,前面空出0~15列(即一個漢字的位置)
- show(2,0,1*16,wen); //問
- //左屏開,從第3頁(共8頁)第0列開始顯示,即第3,4頁顯示”伊人憔悴百度空間“幾個字
- show(1,2,0*16,yi); //伊
- show(1,2,1*16,ren); //人
- show(1,2,2*16,qiao); //憔
- show(1,2,3*16,cui); //悴
- show(2,2,0*16,bai); //百
- show(2,2,1*16,du); //度
- show(2,2,2*16,kong); //空
- show(2,2,3*16,jian); //間
- while(1);
- }
復制代碼
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