/**************************************************************************在无字库的12864LCD上显示时、分、秒；没有用时钟芯片MCU：STC89C52晶振：11.0592MHz作者：罗元俊时间：2014.06.25**************************************************************************/#include <reg52.h>typedef unsigned char uchar;typedef unsigned int uint;#define Port P0 // 数据端口#define Disp_On 0x3f // 开显示#define Disp_Off 0x3e // 关显示#define Col_Add 0x40 // 列地址#define Page_Add 0xb8 // 页地址#define Start_Line 0xc0 // 起始页sbit RS = P2^6;sbit RW = P2^5;sbit EN = P2^7;sbit CS1 = P3^2;sbit CS2 = P3^3;uint t = 0; //全局变量：秒表（用于计数时间的增量）uchar sec,min,hour; // 全局变量：秒、分、时uchar a,b,c,d,e,f; // 秒、分、时的个位和十位uchar code HZ_tab[][32] = {{/*-- 文字: 潜--*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x20,0xC2,0x0C,0x80,0x10,0x94,0x54,0x3F,0x54,0x90,0x54,0x3F,0x54,0x94,0x10,0x00, 0x04,0x04,0x7E,0x01,0x00,0x00,0xFF,0x49,0x49,0x49,0x49,0x49,0xFF,0x00,0x01,0x00},{/*-- 文字: 龙--*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x10,0x10,0x10,0x10,0x10,0xFF,0x10,0x10,0xF0,0x10,0x11,0x16,0xD0,0x10,0x10,0x00, 0x80,0x40,0x20,0x18,0x06,0x41,0x20,0x10,0x3F,0x44,0x42,0x41,0x40,0x40,0x78,0x00},{/*-- 文字: 花--*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x04,0x04,0x04,0x84,0x6F,0x04,0x04,0x04,0xE4,0x04,0x8F,0x44,0x24,0x04,0x04,0x00, 0x04,0x02,0x01,0xFF,0x00,0x10,0x08,0x04,0x3F,0x41,0x40,0x40,0x40,0x40,0x78,0x00},{/*-- 文字: 园--*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x00,0xFE,0x02,0x42,0x4A,0xCA,0x4A,0x4A,0xCA,0x4A,0x4A,0x42,0x02,0xFE,0x00,0x00,0x00,0xFF,0x40,0x50,0x4C,0x43,0x40,0x40,0x4F,0x50,0x50,0x5C,0x40,0xFF,0x00,0x00},{/*-- 文字: 输--*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x88,0x68,0x1F,0xC8,0x08,0x10,0xC8,0x54,0x52,0xD1,0x12,0x94,0x08,0xD0,0x10,0x00,0x09,0x19,0x09,0xFF,0x05,0x00,0xFF,0x12,0x92,0xFF,0x00,0x5F,0x80,0x7F,0x00,0x00},{/*-- 文字: 入--*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x00,0x00,0x00,0x00,0x00,0x01,0xE2,0x1C,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x40,0x20,0x10,0x0C,0x03,0x00,0x00,0x00,0x03,0x0C,0x30,0x40,0x80,0x80,0x00},{/*-- 文字: 密--*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x10,0x8C,0x44,0x04,0xE4,0x04,0x95,0xA6,0x44,0x24,0x14,0x84,0x44,0x94,0x0C,0x00,0x02,0x02,0x7A,0x41,0x41,0x43,0x42,0x7E,0x42,0x42,0x42,0x43,0xF8,0x00,0x00,0x00},{/*-- 文字: 码--*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x04,0x84,0xE4,0x5C,0x44,0xC4,0x00,0x02,0xF2,0x82,0x82,0x82,0xFE,0x80,0x80,0x00,0x02,0x01,0x7F,0x10,0x10,0x3F,0x00,0x08,0x08,0x08,0x08,0x48,0x88,0x40,0x3F,0x00}};uchar code SZ_tab[][16] = {{/*-- 文字: 0 --*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00}, //0 {/*-- 文字: 1 --*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00}, //1 {/*-- 文字: 2 --*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00}, //2 {/*-- 文字: 3 --*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00}, //3 {/*-- 文字: 4 --*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00}, //4{/*-- 文字: 5 --*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00}, //5 {/*-- 文字: 6 --*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00}, //6 {/*-- 文字: 7 --*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00}, //7 {/*-- 文字: 8 --*//*-- 新宋体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}, //8 {/*-- 文字: 9 --*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00}, //9 {/*-- 文字: - --*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01}, //10 {/*-- 文字: : --*//*-- 新宋体12; 此字体下对应的点阵为：宽x高=8x16 --*/0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00} //11 };void delayms(uint xms) //延时子程序{uint x,y;for(x = xms;x > 0;x--)for(y = 2;y > 0;y--);}void DetBusybit(void) //忙位检测子程序{Port = 0xff; //读状态值时，先给数据端口赋高电平RS = 0;RW = 1;EN = 1;while(Port & 0x80); //如果LCD处于忙状态，程序就此停止delayms(2);EN = 0;}void LCD_WrCom_L(uchar com) // 写左半屏指令子程序{DetBusybit();.CS1 = 1; CS2 = 0;RS = 0;RW = 0;EN = 1;Port = com;delayms(5);EN = 0;}void LCD_WrCom_R(uchar com) // 写右半屏指令子程序{DetBusybit();CS1 = 0; CS2 = 1;RS = 0;RW = 0;EN = 1;Port = com;delayms(5);EN = 0;}void LCD_WrDat_L(uchar dat) // 写左半屏数据子程序{DetBusybit();CS1 = 1; CS2 = 0;RS = 1;RW = 0;EN = 1;Port = dat;delayms(5);EN = 0;}void LCD_WrDat_R(uchar dat) // 写右半屏数据子程序{DetBusybit();CS1 = 0; CS2 = 1;RS = 1;RW = 0;EN = 1;Port = dat;delayms(5);EN = 0;}void Clear_L(void) // 左半屏清屏{uchar i,j;CS1 = 1; CS2 = 0;LCD_WrCom_L(Page_Add + 0);LCD_WrCom_L(Col_Add + 0);for(j = 0; j < 8; j++)LCD_WrCom_L(Page_Add + j);for(i = 0; i < 64; i++)LCD_WrDat_L(0x00);}void Clear_R(void) // 右半屏清屏{uchar i,j;CS1 = 0; CS2 = 1;LCD_WrCom_R(Page_Add + 0);LCD_WrCom_R(Col_Add + 0);for(j = 0; j < 8; j++)LCD_WrCom_R(Page_Add + j);for(i = 0; i < 64; i++)LCD_WrDat_R(0x00);}void Disp_HZ_L(uchar pag,uchar col,uchar n) // 显示左半屏汉字16*16 {uchar i = 0,j = 0;CS1 = 1; CS2 = 0;for(i = 0; i < 2; i++){LCD_WrCom_L(Page_Add + pag + i);LCD_WrCom_L(Col_Add + col);for(j = 0; j < 16; j++)LCD_WrDat_L(HZ_tab[n][16*i+j]);}}void Disp_SZ_L(uchar pag,uchar col,uchar n) // 显示左半屏数字8*16 {uchar i = 0,j = 0,k = 0;CS1 = 1; CS2 = 0;for(i = 0; i < 2; i++){LCD_WrCom_L(Page_Add + pag + i);LCD_WrCom_L(Col_Add + col);for(j = 0; j < 8; j++){LCD_WrDat_L(SZ_tab[n][8*i+j]);}}}void Disp_HZ_R(uchar pag,uchar col,uchar n) // 显示右半屏汉字16*16 {uchar i = 0,j = 0;CS1 = 0; CS2 = 1;for(i = 0; i < 2; i++){LCD_WrCom_R(Page_Add + pag + i);LCD_WrCom_R(Col_Add + col);for(j = 0; j < 16; j++)LCD_WrDat_R(HZ_tab[n][16*i+j]);}}void Disp_SZ_R(uchar pag,uchar col,uchar n) // 显示右半屏数字8*16 {uchar i = 0,j = 0;CS1 = 0; CS2 = 1;for(i = 0; i < 2; i++){LCD_WrCom_R(Page_Add + pag + i);LCD_WrCom_R(Col_Add + col);for(j = 0; j < 8; j++){LCD_WrDat_R(SZ_tab[n][8*i+j]);}}}void TimerInit(void) //定时器初始化函数{TMOD = 0x02; //设置定时器0为工作模式2TH0 = 0x47; //装初值TL0 = 0x47; //设定时间为0.2msEA = 1;ET0 = 1;TR0 = 1; //启动定时器0}void LCD_Init(void) // LCD初始化子程序{delayms(10);LCD_WrCom_L(Disp_Off); LCD_WrCom_R(Disp_Off);LCD_WrCom_L(Page_Add + 0); LCD_WrCom_R(Page_Add + 0);LCD_WrCom_L(Start_Line + 0); LCD_WrCom_R(Start_Line + 0);LCD_WrCom_L(Col_Add + 0); LCD_WrCom_R(Col_Add + 0);LCD_WrCom_L(Disp_On); LCD_WrCom_R(Disp_On);}void main(void){LCD_Init();TimerInit();Clear_L();Clear_R();while(1){sec = t%60; //秒钟分离min = (t/60)%60; //分钟分离hour = (t/3600)%60; //时钟分离a = sec%10; //秒钟个位分离b = (sec/10)%10; //秒钟十位分离c = min%10; //分钟个位分离d = (min/10)%10; //分钟十位分离e = hour%10; //时钟个位分离f = (hour/10)%10; //时钟十位分?Disp_HZ_L(0,32,0); // 第0页，第16列，第0个字Disp_HZ_L(0,48,1);Disp_HZ_R(0,0,2);Disp_HZ_R(0,16,3);Disp_SZ_L(2,24,2);Disp_SZ_L(2,32,0);Disp_SZ_L(2,40,1);Disp_SZ_L(2,48,4);Disp_SZ_L(2,56,10);Disp_SZ_R(2,0,0);Disp_SZ_R(2,8,6);Disp_SZ_R(2,16,10);Disp_SZ_R(2,24,2);Disp_SZ_R(2,32,7);Disp_SZ_L(4,32,f);Disp_SZ_L(4,40,e);Disp_SZ_L(4,48,11);Disp_SZ_L(4,56,d);Disp_SZ_R(4,0,c);Disp_SZ_R(4,8,11);Disp_SZ_R(4,16,b);Disp_SZ_R(4,24,a);Disp_HZ_L(6,0,4);Disp_HZ_L(6,16,5);Disp_HZ_L(6,32,6);Disp_HZ_L(6,48,7);Disp_SZ_R(6,0,11);}}void timer0(void) interrupt 1{uint i;i++;if(i == 5000) //1s时间到{t++; //秒表计时开始i = 0;}}。