#define MAIN_Fosc 22118400L

#include "STC15Fxxxx.H"

sbit P_HC595_SER = P4^0;

sbit P_HC595_RCLK = P5^4;

sbit P_HC595_SRCLK = P4^3;

u8 hour,minute,second;

void DisplayRTC(void);

void RTC(void);

void delay_ms(u8 ms);

void DisableHC595(void);

void Initialize_LCD(void);

void Write_AC(u8 hang,u8 lie);

void Write_DIS_Data(u8 DIS_Data);

void ClearLine(u8 row);

u8 BIN_ASCII(u8 tmp);

void PutString(u8 row, u8 column, u8 *puts);

void WriteChar(u8 row, u8 column, u8 dat);

void main(void)

{

P0M1 = 0; P0M0 = 0; //设置为准双向口

P1M1 = 0; P1M0 = 0; //设置为准双向口

P2M1 = 0; P2M0 = 0; //设置为准双向口

P3M1 = 0; P3M0 = 0; //设置为准双向口

P4M1 = 0; P4M0 = 0; //设置为准双向口

P5M1 = 0; P5M0 = 0; //设置为准双向口

P6M1 = 0; P6M0 = 0; //设置为准双向口

P7M1 = 0; P7M0 = 0; //设置为准双向口

Initialize_LCD();

ClearLine(0);

ClearLine(1);

P2M1 &= ~(1<<4);

P2M0 |= (1<<4);

P24 = 1;

DisableHC595();

PutString(0,0,"---Clock demo---");

hour = 12;

minute = 0;

second = 0;

DisplayRTC();

while(1)

{

delay_ms(250);

delay_ms(250);

delay_ms(250);

delay_ms(250);

RTC();

DisplayRTC();

}

}

void delay_ms(u8 ms)

{

unsigned int i;

do{

i = MAIN_Fosc / 13000;

while(--i) ;

}while(--ms);

}

void DisableHC595(void)

{

u8 i;

P_HC595_SER = 1;

for(i=0; i<20; i++)

{

P_HC595_SRCLK = 1;

P_HC595_SRCLK = 0;

}

P_HC595_RCLK = 1;

P_HC595_RCLK = 0;

P_HC595_RCLK = 1;

P_HC595_RCLK = 0;

}

void DisplayRTC(void)

{

if(hour >= 10) WriteChar(1,4,hour / 10 + '0');

else WriteChar(1,4,' ');

WriteChar(1,5,hour % 10 +'0');

WriteChar(1,6,'-');

WriteChar(1,7,minute / 10+'0');

WriteChar(1,8,minute % 10+'0');

WriteChar(1,9,'-');

WriteChar(1,10,second / 10 +'0');

WriteChar(1,11,second % 10 +'0');

}

void RTC(void)

{

if(++second >= 60)

{

second = 0;

if(++minute >= 60)

{

minute = 0;

if(++hour >= 24) hour = 0;

}

}

}

#define LineLength 16

sfr LCD_BUS = 0x80;

sbit LCD_B7 = LCD_BUS^7;

sbit LCD_B6 = LCD_BUS^6;

sbit LCD_B5 = LCD_BUS^5;

sbit LCD_B4 = LCD_BUS^4;

sbit LCD_B3 = LCD_BUS^3;

sbit LCD_B2 = LCD_BUS^2;

sbit LCD_B1 = LCD_BUS^1;

sbit LCD_B0 = LCD_BUS^0;

sbit LCD_ENA = P2^7;

sbit LCD_RW = P2^6;

sbit LCD_RS = P2^5;

#define C_CLEAR 0x01

#define C_HOME 0x02

#define C_CUR_L 0x04

#define C_RIGHT 0x05

#define C_CUR_R 0x06

#define C_LEFT 0x07

#define C_OFF 0x08

#define C_ON 0x0C

#define C_FLASH 0x0D

#define C_CURSOR 0x0E

#define C_FLASH_ALL 0x0F

#define C_CURSOR_LEFT 0x10

#define C_CURSOR_RIGHT 0x10

#define C_PICTURE_LEFT 0x10

#define C_PICTURE_RIGHT 0x10

#define C_BIT8 0x30

#define C_BIT4 0x20

#define C_L1DOT7 0x30

#define C_L1DOT10 0x34

#define C_L2DOT7 0x38

#define C_4bitL2DOT7 0x28

#define C_CGADDRESS0 0x40

#define C_DDADDRESS0 0x80

#define LCD_DelayNop() NOP(15)

#define LCD_BusData(dat) LCD_BUS = dat

void CheckBusy(void)

{

u16 i;

for(i=0; i<5000; i++) {if(!LCD_B7) break;}

}

void IniSendCMD(u8 cmd)

{

LCD_RW = 0;

LCD_BusData(cmd);

LCD_DelayNop();

LCD_ENA = 1;

LCD_DelayNop();

LCD_ENA = 0;

LCD_BusData(0xff);

}

void Write_CMD(u8 cmd)

{

LCD_RS = 0;

LCD_RW = 1;

LCD_BusData(0xff);

LCD_DelayNop();

LCD_ENA = 1;

CheckBusy();

LCD_ENA = 0;

LCD_RW = 0;

LCD_BusData(cmd);

LCD_DelayNop();

LCD_ENA = 1;

LCD_DelayNop();

LCD_ENA = 0;

LCD_BusData(0xff);

}

void Write_DIS_Data(u8 dat)

{

LCD_RS = 0;

LCD_RW = 1;

LCD_BusData(0xff);

LCD_DelayNop();

LCD_ENA = 1;

CheckBusy();

LCD_ENA = 0;

LCD_RW = 0;

LCD_RS = 1;

LCD_BusData(dat);

LCD_DelayNop();

LCD_ENA = 1;

LCD_DelayNop();

LCD_ENA = 0;

LCD_BusData(0xff);

}

void Initialize_LCD(void)

{

LCD_ENA = 0;

LCD_RS = 0;

LCD_RW = 0;

delay_ms(100);

IniSendCMD(C_BIT8);

delay_ms(10);

Write_CMD(C_L2DOT7);

delay_ms(6);

Write_CMD(C_CLEAR);

Write_CMD(C_CUR_R);

Write_CMD(C_ON);

}

void ClearLine(u8 row)

{

u8 i;

Write_CMD(((row & 1) << 6) | 0x80);

for(i=0; i}

void WriteChar(u8 row, u8 column, u8 dat)

{

Write_CMD((((row & 1) << 6) + column) | 0x80);

Write_DIS_Data(dat);

}

void PutString(u8 row, u8 column, u8 *puts)

{

Write_CMD((((row & 1) << 6) + column) | 0x80);

for ( ; *puts != 0; puts++)

{

Write_DIS_Data(*puts);

if(++column >= LineLength) break;

}

}