1、超聲波測距12864顯示電路c源程序：#include <reg51.h>#include <intrins.h>#define uint unsigned int#define uchar unsigned char#define data po /lcd12864 數據線sbit rs=p2八0; /數據指令 選擇 sbit rw=p2a1; / 讀寫 選擇sbit en=p2八2; /讀寫使能 sbitcs1=p2八3;/ 片選 1 sbit cs2=p2八4;/ 片選 2/*定義中文字庫*/*/uchar code hzk=/*文字：電/*- 宋體12;此字體下

2、對應的點陣為：寬x高=16x16 二/0x00,0x00,0xf8,0x48,0x48,0x48,0x48,oxff,0x48,0x48,0x48,0x48,0 xf8,0x00,0x00,0x00,0x00,0x00,oxof,0x04,0x04,0x04,0x04,0x3f,0x44,0x44,0x44,0x44,0 x4f,0x40,0x70,0x00,/*文字：氣/*- 宋體12;此字體下對應的點陣為：寬x高=16x16/0x00,0x20,0x10,0x8c,0xa7,0xa4,0xa4,0xa4,0xa4,0xa4,0xa4,0xa4, 0x24,0x04,0x04,0x00,0x

3、00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,oxof,o x3050x40,0xf0,0x00,/*文字：二*/*- 宋體12;此字體下對應的點陣為：寬x高=16x160x00,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x06,0 x04,0x00,0x00,0x00,0x00,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0 x10,0x18,0x10,0x00,/*文字：班/*- 宋體12;此字體下對應的點

4、陣為：寬乂高=16x16 亠/0x42,0x42,oxfe,0x42,0x42,oxeo,0x00,oxff,0x00,0x42,0x42,0xfe,0 x42,0x42,0x42,0x00,0x10,0x10,oxof,0x88,0x49,0x20,0x18,0x07,0x20,0x20,0x20,0x3f,0 x20,0x20,0x20,0x00,/*文字：陳*/*-宋體12;此字體下對應的點陣為：寬x高=16x16 二/0x00,oxfe,0x22,0x52,0x8e,0x00,0xc4,0xb4,0x8c，0xe7,0x84,0x84,0x84,0x84,0x04,0x00,0x00,

5、oxff,0x02,0x04,0x23,0x10,0x0c,0x40,0x80,0x7f,0x00,0x02,0 x04,0x18,0x30,0x00,/* 文字：鴻/*- 宋體12;此字體下對應的點陣為：寬x高=16x16/0x10,0x61,0x86,0x60,0x08,0xf8,0x08,0x00,oxfc,oxoe,0x35,0x04,0 x44,0x7c,0x00,0x00,0x04,0x7c,0x03,0x04,0x04,0x03,oxoa,0x08,0x09,0x09,0x09,0x09,0x49,0x81 ,0x7f50x00,/*-文字：亮-*/*- 宋體12;此字體下對應的

6、點陣為：寬x高=16x160x00,0x82,0x82,0x82,0xba,0xaa,0xaa,0xab,0xaa,0xaa,0xba,0x82,0x82,0xc2,0x80,0x00,0x02,0x41,0x40,0x20,0x10,oxoe,0x02,0x02,0x02,0x3e,0x40,0x40,0 x42,0x41,0x70,0x00,/*文字：24 */*- 宋體12;此字體下對應的點陣為：寬乂高=16x16 亠/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo5oxoo3oxoo,oxoo,0x00

7、,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字：24 */*-宋體12;此字體下對應的點陣為：寬x高=16x16 二/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字：24 */*- 宋體12;此字體

8、下對應的點陣為：寬x高=16x16 二/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*-文字：24 -*/*- 宋體12;此字體下對應的點陣為：寬x高=16x16/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0

9、x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xooqxoo,0x00,0x00,/*文字：24 */*- 宋體12;此字體下對應的點陣為：寬x高=16x160x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字：24 */*- 宋體1

10、2;此字體下對應的點陣為：寬x高=16x16 二/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*-文字：24 -*/*- 宋體12;此字體下對應的點陣為：寬x高=16x16/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0

11、x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xooqxoo,0x00,0x00,/*文字：24 */*- 宋體12;此字體下對應的點陣為：寬x高=16x160x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字：24 */*

12、- 宋體12;此字體下對應的點陣為：寬乂高=16x16 亠/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo5oxoo3oxoo,oxoo,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字：學/*- 宋體12;此字體下對應的點陣為：寬x高=16x16 二/0x40,0x30,0x10,0x12,0x5c,0x54,0x50,0x51,0x5e,0xd4,0x50,0x18, 0x57,0x32

13、,0x10,0x00,0x00,0x02,0x02,0x02,0x02,0x02,0x42,0x82,0x7f,0x02,0x02,0x02,0 x02,0x02,0x02,0x00,/* 文字：號 */*- 宋體12;此字體下對應的點陣為：寬x高=16x16/0x40,0x40,0x40,0x5f,0xd1,0x51,0x51,0x51,0x51,0x51,0x51,0x5f,0 x40,0x40,0x40,0x00,0x00,0x00,0x00,0x02,0x07,0x02,0x02,0x22,0x42,0x82,0x42,0x3e,0 xoo5oxoo3oxoo,oxoo,/*文字：24

14、 */*- 宋體12;此字體下對應的點陣為：寬乂高=16x16 亠/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo5oxoo3oxoo,oxoo,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字：24 */*- 宋體12;此字體下對應的點陣為：寬x高=16x16 二/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 x

15、oo,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*-文字：24 -*/*- 宋體12;此字體下對應的點陣為：寬x高=16x16/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo5oxoo3oxoo,oxo

16、o,/*文字：24 */*- 宋體12;此字體下對應的點陣為：寬x高=16x160x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字：24 */*- 宋體12;此字體下對應的點陣為：寬乂高=16x16 亠/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x

17、00,0 xoo5oxoo3oxoo,oxoo,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字：24 */*-宋體12;此字體下對應的點陣為：寬x高=16x16 二/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x0

18、0,0x00,；/*定義ascii字庫8列"6行*/*/uchar code ezk=/*文字：2 */*- 宋體12;此字體下對應的點陣為：寬x高=8x16/0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0 x22,0x21,0x30,0x00,/*"文字：0 */*- 宋體12;此字體下對應的點陣為：寬x高=8x160x00,oxeo,0x10,0x08,0x08,0x10,oxeo,0x00,0x00,oxof,0x10,0x20,0 x20,0x1 o,oxof5oxoo5/*"文字

19、：0 */*- 宋體12;此字體下對應的點陣為：寬x高=8x160x00,oxeo,0x10,0x08,0x08,0x10,oxeo,0x00,0x00,oxof,0x10,0x20,0 x20,0x1 o5oxof5oxoo,/*文字：9/*-宋體12;此字體下對應的點陣為：寬x高=8x16 -*/0x00,oxeo,0x10,0x08,0x08,0x10,oxeo,0x00,0x00,0x00,0x31,0x22,0 x22,0x11 5oxof,oxoo,/*文字：0/*- 宋體12;此字體下對應的點陣為：寬x高=8x16 -*/0x00,oxeo,0x10,0x08,0x08,0x10

20、,oxeo,0x00,0x00,oxof,0x10,0x20,0 x20,0x103oxof5oxoo,/*文字：4 */*- 宋體12;此字體下對應的點陣為：寬x高=8x16 -*/0x00,0x00,oxco,0x20,0x10,0xf8,0x00,0x00,0x00,0x07,0x04,0x24,0 x24,0x3f,0x24,0x00,/*文字：2 */*- 宋體12;此字體下對應的點陣為：寬x高=8x16/0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0 x22,0x21,0x30,0x00,/*文字：2 */

21、*- 宋體12;此字體下對應的點陣為：寬x高=8x160x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0 x22,0x21,0x30,0x00,/*文字：0/*-宋體12;此字體下對應的點陣為：寬x高=8x16 -*/0x00,oxeo,0x10,0x08,0x08,0x10,oxeo,0x00,0x00,oxof,0x10,0x20,0 x20,0x10,oxof,oxoo,/*文字：3 */*- 宋體12;此字體下對應的點陣為：寬x高=8x16 -*/0x00,0x30,0x08,0x88,0x88,0x48,0x30

22、,0x00,0x00,0x18,0x20,0x20,0 x20,0x11,0x0e,0x00,/*文字：*/*- 宋體12;此字體下對應的點陣為：寬x高=8x16 -*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字：*/*- 宋體12;此字體下對應的點陣為：寬x高=8x16/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字：*/*- 宋體12;此字體

23、下對應的點陣為：寬x高=8x160x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字： */*- 宋體12;此字體下對應的點陣為：寬x高=8x160x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字： */*-宋體12;此字體下對應的點陣為：寬x高=8x16 -*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00

24、,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字：/*- 宋體12;此字體下對應的點陣為：寬x高=8x16 -*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo5oxoo3oxoo,oxoo,/*文字： */*- 宋體12;此字體下對應的點陣為：寬x高=8x16 -*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,/*文字： */*- 宋體12;此字體下對應的點陣為：寬x高

25、=8x16/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 xoo,0x00,0x00,0x00,；/*狀態檢查，lcd是否忙*/void checkstate()uchar dat;/狀態信息(判斷是否忙)rs=o;/數據指令選擇，d/1 (rs) =“，表示db7-db0為顯示指 令數據rw=1; /r/w=“h"e=mhm數據被讀到db7sdb0dodata=oxoo;en=1;/en下降源_nop_(); /一個時鐘延時dat=data;en=o;dat=0x80 & dat; /僅當第7位為

26、0時才可操作(判別busy信號) while(!(dat=0x00);/寫命令到lcd中*/sendcommandtolcd(uchar com)checkstate();/狀態檢查，lcd是否忙rs=o; /向lcd發送命令。rs=0寫指令，rs=1寫數據rw=o;/r/w=“，e=£th-l,5數據被寫到 ir 或 drdata=com; /com :命令en=1 ;/en下降源_nop_();_nop_();en=o;廠設置頁0xb8是頁的首地址*/void setline(uchar page)page=0xb81 page; /1011 1xxx 0<=page<

27、;=7 設定頁地址x 0-7,8 行為一頁64/8=8,龔8頁sendcommandtolcd(page);廠設定顯示開始行，oxco是行的首地址汰/void setstartline(uchar startline)startline=oxco | startline; /1100 0000sendcommandtolcd(startline); /設置從哪行開始：063, 一般從 0 行 開始顯示廠設定列地址-y 0-63 , 0x40是列的首地址皆 void setcolumn(uchar column)column=column &0x3f; /column 最大值為 64,越

28、出 0=<column<=63column= 0x401 column; /01xx xxxx sendcommandtolcd(colum n);/*開關顯示，0x3f是開顯示，0x3e是關顯示*/void setonoff(uchar onoff)onoff=0x3e | onoff; /0011 111 x,onoff 只能為 0 或者 1 sendcommandtolcd(onoff);/*寫顯示數據*/void writebyte(uchar dat)checkstate();/狀態檢查，lcd是否忙rs=1;/rs=0寫指令，rs=1寫數據rw=0;/r/w=ulj,

29、, em數據被寫到 ir 或 drdata=dat;/dat 濕示數據en=1; /en下降源 _nop_(); _nop_()；en=o;廠選擇屏幕screen: 0-全屏畀左屏,2右屏*7void selectscreen(uchar screen)switch(screen) case 0: cs1=0;/全屏_nop_(); _nop_(); _nop_(); cs2=0;_nop_(); _nop_(); _nop_(); break;case 1: cs1 =0;/左屏_nop_(); _nop_(); _nop_(); cs2=1;_nop_(); _nop_(); _nop_(

30、); break;case 2: cs1 =1;/右屏_nop_(); _nop_(); _nop_(); cs2=0;_nop_(); _nop_(); _nop_(); break;/*清屏screen: 0全屏畀左屏,2右渋/void clearscreen(uchar screen)uchar i,j;selectscreen(screen);for(i=0;i<8;i+) /控制頁數 07,共 8 頁setline(i);setcolumn(o);for(j=0;j<64;j+)/控制列數 063,共 64 列writebyte(oxoo); 寫點內容，列地址自動加1 /

31、延時程序/void delay(uint z)uint i,j;for(i=0; ivz; i+)for(j = 0; j < 110; j+);/寰向上滾屏渋/渋這里用做滾動顯示渋/void lcdol()uint i;for(i = 0; i < 64; i+)cs1=0;/ 片選 1sendcommandtolcd(oxco+i);cs1=1;cs2=1;/ 片選 2sendcommandtolcd(0xc0+62-i);cs2=1; / 片選 2delay(6);/*/廠初始化lcd*/void lnitlcd()checkstate();selectscree n(0);

32、setonoff(o); /關顯示selectscree n(0);setonoff(1); /開顯示selectscreen(o);clearscreen(o);/清屏setstartline(o); /開始行:0/*顯示全角漢字渋/void display(uchar ss,uchar page,uchar column,uchar number)int i; /選屏參數，pagr選頁參數，column選列參數，number選第幾漢字 輸出selectscreen(ss);column=column&0x3f;setline(page); /寫上半頁 setcolumn(column); /控制列for(i=0;i<16;i+)控制16列的數據輸出writebyte(hzki+32*number); i+32fumber 漢字的前 16 個數據輸出setline(page+1); /寫下半頁setcolumn(column)