无字库LCD无时钟芯片显示时间

1、/*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*/#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s

2、bit RS = P26;sbit RW = P25;sbit EN = P27;sbit CS1 = P32;sbit CS2 = P33;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_tab32 = /*- 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

3、,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,0x44,0x42,0x41,0x40,0x40,0x78,0x

4、00,/*- 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,0xC

5、A,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,0x00,0

6、x5F,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,0x44,0x04,0x

7、E4,0x04,0x95,0xA6,0x44,0x24,0x14,0x84,0x44,0x94,0x0C,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,

8、0x08,0x08,0x08,0x08,0x48,0x88,0x40,0x3F,0x00;uchar code SZ_tab16 = /*- 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 -*/0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3

9、F,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

10、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 -*/0x00,0xE0,0x1

11、0,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,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,

12、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: : -*/

13、*- 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 & 0

14、x80); /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

15、 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_WrCo

16、m_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(

17、0x00);void Disp_HZ_L(uchar pag,uchar col,uchar n) / 显示左半屏汉字 16*16uchar 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_tabn16*i+j);void Disp_SZ_L(uchar pag,uchar col,uchar n) / 显示左半屏数字 8*16uchar

18、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_tabn8*i+j);void Disp_HZ_R(uchar pag,uchar col,uchar n) / 显示右半屏汉字 16*16uchar i = 0,j = 0;CS1 = 0; CS2 = 1;for(i = 0; i < 2; i+)LCD_WrCom_R(Pa

19、ge_Add + pag + i);LCD_WrCom_R(Col_Add + col);for(j = 0; j < 16; j+)LCD_WrDat_R(HZ_tabn16*i+j);void Disp_SZ_R(uchar pag,uchar col,uchar n) / 显示右半屏数字 8*16uchar 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+)LC

20、D_WrDat_R(SZ_tabn8*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0void 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 =