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sbit DS1302CE=P0^0; sbit DS1302CK=P0^2; sbit DS1302IO=P0^1;
extern bit DS18B20_Reset(void); extern void DS18B20_Write(unsigned char command); extern unsigned char DS18B20_Read(void); sbit DQ=P1^0;
#define RSCLR P0_5=0//PORTC &=~ BIT(PORTC0) #define RSSET P0_5=1//PORTC |= BIT(PORTC0) #define RWCLR P0_6=0//PORTC &=~ BIT(PORTC1) #define RWSET P0_6=1//PORTC |= BIT(PORTC1) #define ENCLR P0_7=0//PORTC &=~ BIT(PORTC2) #define ENSET P0_7=1//PORTC |= BIT(PORTC2) extern void lcd_delay(unsigned int delaytime); extern void write_lcd_command(unsigned char write_command); extern void write_lcd_data(unsigned char write_data); extern void initize_lcd(void); extern void lcd_displaystr(unsigned char x,unsigned char y,const unsigned char *str); extern void lcd_displaystr_ram(unsigned char x,unsigned char y,unsigned char *str);
带温度测量LCD显示的实时时钟
extern void Init_DS1302_RTC(void); extern unsigned char Read_DS1302_RTC(unsigned char RTC_Address); extern void Write_DS1302_RTC(unsigned char RTC_Address,unsigned char RTC_Data); #include <REGX51.H> #include "1602LCDDriver.h" #include "DS18B20Driver.h" #include "DS1302Driver.h"
//#include "tiaozheng.h" #include <INTRINS.H>
struct TimerStruct { unsigned char Year; unsigned char Month; unsigned char Day; unsigned char Week; unsigned char Hour; unsigned char Minute; unsigned char Second; }; //const unsigned char DATECODE1[]={"Tiaosh"}; //const unsigned char DATECODE[]={"Date:"}; //const unsigned char TIMECODE[]={"Time:"};
const unsigned char DATECODE1[]={"TH"}; const unsigned char DATECODE2[]={"DF"}; const unsigned char DATECODE3[]={"DJ"}; //const unsigned char DATECODE4[]={' '};
sbit key1=P1^2; sbit key2=P1^3; sbit key3=P1^4; sbit sound=P1^1; sbit k1=P0^3; sbit k2=P0^4; unsigned char mins,hours,days,months,weeks,years; unsigned char a,b,c,k,flag1,flag2,flag3,flag4,flag5; unsigned char Minute1,Hour1,Day1,Month1,Week1,Year1; unsigned char Minute2,Hour2,Day2,Month2,Week2,Year2; unsigned char DATECODE22[1]={' '}; unsigned char DATECODE33[1]={' '};
//struct TimerStruct *Real; struct TimerStruct RealClock; unsigned char DateBuffer1[]={"2006/08/18/5"}; unsigned char TimeBuffer1[]= {"23:50:00"}; //const unsigned char DATECODE[]={"Date:"}; //const unsigned char TIMECODE[]={"Time:"};
unsigned char DateBuffer[]={"2005/01/01/5"}; unsigned char TimeBuffer[]= {"00:00:00"}; unsigned char LCDDisplayBuffer[]={" "}; unsigned int SecondCounter;
//蜂鸣器测试
void fmq_fre(unsigned char f) { unsigned int i,j; for(i=f;i>0;i--) for(j=248;j>0;j--); //延时0.5MS } void fmq_delay(unsigned char delaytimef) { unsigned char j,h; for(j=delaytimef;j>0;j--) //for(k=200;k>0;k--) for(h=248;h>0;h--) { sound=1; fmq_fre(1); sound=0; fmq_fre(1); }
}
//jdq的测试 void jdq_delay(unsigned char delaytimej) { unsigned char k,i,j; for (k=delaytimej;k>0;k--) for(i=200;i>0;i--) for(j=248;j>0;j--); }
void jdq(void) {
k1=0; k2=0; }
//时间调整
void tiao_delay(void) { unsigned char i,j; for(i=10;i>0;i--) for(j=248;j>0;j--); } unsigned char change( void ) { while(flag1) { if(key2==0) tiao_delay(); if(key2==0) a++; if(key3==0) tiao_delay(); if(key3==0) a--; switch(k) { case 1: mins=a%60; break; case 2: hours=a%24; break; case 3: days=a%32; break; case 4: weeks=a%8; break; case 5: months=a%13; break; case 6: years=a; break; } TimeBuffer1[4]=mins%10+0x30; //分个位 TimeBuffer1[3]=mins/10+0x30; TimeBuffer1[1]=hours%10+0x30; //时 TimeBuffer1[0]=hours/10+0x30; DateBuffer1[9]=days%10+0x30; //日 DateBuffer1[8]=days/10+0x30; DateBuffer1[6]=months%10+0x30;//月 DateBuffer1[5]=months/10+0x30; DateBuffer1[11]=weeks%10+0x30;//星期 DateBuffer1[3]=years%10+0x30; //年 DateBuffer1[2]=years/10+0x30; jdq_delay(2); if(key1==0) tiao_delay(); if(key1==0) flag1=0; write_lcd_command(12); lcd_displaystr_ram(0,1,DateBuffer1); lcd_displaystr_ram(1,1,TimeBuffer1); }
}
void tiao1(void) { mins=mins-mins/16*6; hours=hours-hours/16*6; days=days-days/16*6; months=months-months/16*6; years=years-years/16*6; TimeBuffer1[4]=mins%10+0x30; //分个位 TimeBuffer1[3]=mins/10+0x30; TimeBuffer1[1]=hours%10+0x30; //时 TimeBuffer1[0]=hours/10+0x30; DateBuffer1[9]=days%10+0x30; //日 DateBuffer1[8]=days/10+0x30; DateBuffer1[6]=months%10+0x30;//月 DateBuffer1[5]=months/10+0x30; DateBuffer1[11]=weeks%10+0x30;//星期 DateBuffer1[3]=years%10+0x30; //年 DateBuffer1[2]=years/10+0x30; lcd_displaystr_ram(0,1,DateBuffer1); lcd_displaystr_ram(1,1,TimeBuffer1);
write_lcd_command(0x0f); write_lcd_command(0x80+0x45); jdq_delay(2); k=1,a=mins,flag1=1; change(); //分 write_lcd_command(0x0f); write_lcd_command(0x80+0x42); jdq_delay(2); k++,a=hours,flag1=1; change(); //时 write_lcd_command(0x0f); write_lcd_command(0x80+10); jdq_delay(2); k++,a=days,flag1=1; change(); //日 } void tiao2(void) { write_lcd_command(0x0f); write_lcd_command(0x80+12); jdq_delay(2); k++,a=years,flag1=1; change(); //星期 write_lcd_command(0x0f); write_lcd_command(0x80+7); jdq_delay(2); k++,a=months,flag1=1; change(); //月 write_lcd_command(0x0f); write_lcd_command(0x80+4); jdq_delay(2); k++,a=years,flag1=1; change(); //年 mins=mins+mins/10*6; hours=hours+hours/10*6; days=days+days/10*6; months=months+months/10*6; years=years+years/10*6; jdq_delay(5); }
//调整1302时间 void tiaozheng(struct TimerStruct *Real) { lcd_displaystr(0,14,DATECODE1); mins=Real->Minute; hours=Real->Hour; days=Real->Day; months=Real->Month; weeks=Real->Week; years=Real->Year; tiao1(); tiao2(); write_lcd_command(0x01);//清屏 Write_DS1302_RTC(0x8e,0x00); //写控制 Write_DS1302_RTC(0x80,0x00); //写秒 Write_DS1302_RTC(0x82,mins); //写分 Write_DS1302_RTC(0x84,hours); //写时 Write_DS1302_RTC(0x86,days); //写日 Write_DS1302_RTC(0x88,months); //写月 Write_DS1302_RTC(0x8a,weeks); //写星期 Write_DS1302_RTC(0x8c,years); //写年 Write_DS1302_RTC(0x8e,0x80); //控制 initize_lcd(); Init_DS1302_RTC();
} //调整蜂鸣器定时 void dingshif(void) { flag3=1; lcd_displaystr(0,14,DATECODE2); mins=Minute1; hours=Hour1; days=Day1; //months=Month1; //weeks=Week1; //years=Year1; tiao1(); tiao_delay(); mins=mins+mins/10*6; hours=hours+hours/10*6; days=days+days/10*6; Minute1=mins; Hour1=hours; Day1=days; //Month1=months; //Week1=weeks; //Year1=years; write_lcd_command(0x01);//清屏 DATECODE22[0]='&'; if(flag4==1) DATECODE33[0]='!'; jdq_delay(5); lcd_displaystr(0,14,DATECODE22); lcd_displaystr(0,15,DATECODE33); } //调整继电器定时 void dingshij(void) { flag4=1; lcd_displaystr(0,14,DATECODE3); mins=Minute2; hours=Hour2; days=Day2; //months=Month2; //weeks=Week2; //years=Year2; tiao1(); mins=mins+mins/10*6; hours=hours+hours/10*6; days=days+days/10*6; Minute2=mins; Hour2=hours; Day2=days; // Month2=months; //Week2=weeks; //Year2=years; k1=k2=1; write_lcd_command(0x01); //清屏 DATECODE33[0]='!'; if(flag3==1) DATECODE22[0]='&'; jdq_delay(5); lcd_displaystr(0,14,DATECODE22); lcd_displaystr(0,15,DATECODE33); }
//蜂鸣器报警 void dingshifmq(void) { flag3=0;flag2=10;
if( RealClock.Hour=Hour1) if( RealClock.Day=Day1) //if( RealClock.Month=Month1) // if( RealClock.Year=Year1) { while(flag2) { fmq_delay(1); flag2--; if(key1==0) tiao_delay(); if(key1==0) flag2=0; if(key1==0) tiao_delay(); if(key1==0) flag2=0; if(key1==0) tiao_delay(); if(key1==0) flag2=0; if(key1==0) tiao_delay(); if(key1==0) flag2=0; } Minute1=Minute1-2; write_lcd_command(0x01);//清屏 DATECODE22[0]=' '; if(flag4==0) DATECODE33[0]=' '; jdq_delay(5); lcd_displaystr(0,14,DATECODE22); lcd_displaystr(0,15,DATECODE33); jdq_delay(10); } } //继电器取消 void dingshijdq(void) { flag4=0; if( RealClock.Hour=Hour2) if( RealClock.Day=Day2) // if( RealClock.Month=Month2) // if( RealClock.Year=Year2) tiao_delay(); k1=0,k2=0; write_lcd_command(0x01);//清屏 DATECODE33[0]=' '; if(flag3==0) DATECODE22[0]=' '; jdq_delay(5); lcd_displaystr(0,14,DATECODE22); lcd_displaystr(0,15,DATECODE33); Minute2=Minute2-1; }
//主函数 void main(void) { jdq(); RealClock.Minute=Minute1=Minute2; RealClock.Hour=Hour1=Hour2; RealClock.Day=Day1=Day2; RealClock.Month=Month1=Month2; RealClock.Year=Year1=Year2; flag5=1; fmq_delay(1); initize_lcd(); Init_DS1302_RTC(); //Write_DS1302_RTC(0x8e,0x00); //写控制 Write_DS1302_RTC(0x80,0x00); //写秒 //Write_DS1302_RTC(0x82,0x30); //写分 //Write_DS1302_RTC(0x84,0x12); //写时 //Write_DS1302_RTC(0x86,0x15); //写日 //Write_DS1302_RTC(0x88,0x08); //写月 //Write_DS1302_RTC(0x8a,0x3); //写星期 //Write_DS1302_RTC(0x8c,0x06); //写年 //Write_DS1302_RTC(0x8e,0x80); //控制 while(1) { unsigned int Temp,Temperature; unsigned char TemperatureH; unsigned char TemperatureL; //struct TimerStruct RealClock; while(DS18B20_Reset()); DS18B20_Write(0xCC); DS18B20_Write(0xBE); TemperatureL=DS18B20_Read(); //低位 TemperatureH=DS18B20_Read(); //高位 while(DS18B20_Reset()); DS18B20_Write(0xCC); DS18B20_Write(0x44);
Temp=TemperatureH*256+TemperatureL; //左移8位 if(Temp & 0xf800) //去除低7位 { LCDDisplayBuffer[0]=' '; Temp=(~Temp)+1; TemperatureL=Temp%256; TemperatureH=Temp/256; } Temp>>=4; Temperature=Temp; //右移四位 LCDDisplayBuffer[1]=Temp/10+0x30; LCDDisplayBuffer[2]=Temp%10+0x30; Temp=TemperatureL; Temp&=0x000F; //保留低四位 Temp*=625; //化小数 Temp/=100; LCDDisplayBuffer[3]='.'; LCDDisplayBuffer[4]=Temp/10+0x30; LCDDisplayBuffer[5]=Temp%10+0x30; LCDDisplayBuffer[6]='C';
Temp=Read_DS1302_RTC(0x81); //秒 RealClock.Second=Temp; TimeBuffer[7]=Temp%16+0x30; TimeBuffer[6]=Temp/16+0x30; Temp=Read_DS1302_RTC(0x83); //分 RealClock.Minute=Temp; TimeBuffer[4]=Temp%16+0x30; TimeBuffer[3]=Temp/16+0x30; //时 Temp=Read_DS1302_RTC(0x85); RealClock.Hour=Temp; TimeBuffer[1]=Temp%16+0x30; TimeBuffer[0]=Temp/16+0x30;
Temp=Read_DS1302_RTC(0x87); //日 RealClock.Day=Temp; DateBuffer[9]=Temp%16+0x30; DateBuffer[8]=Temp/16+0x30; Temp=Read_DS1302_RTC(0x89); //月 RealClock.Month=Temp; DateBuffer[6]=Temp%16+0x30; DateBuffer[5]=Temp/16+0x30; Temp=Read_DS1302_RTC(0x8b); //星期 RealClock.Week=Temp; DateBuffer[11]=Temp%16+0x30; Temp=Read_DS1302_RTC(0x8d); //年 RealClock.Year=Temp; DateBuffer[3]=Temp%16+0x30; DateBuffer[2]=Temp/16+0x30;
lcd_displaystr_ram(0,1,DateBuffer); lcd_displaystr_ram(1,1,TimeBuffer); lcd_displaystr_ram(1,sizeof(TimeBuffer),LCDDisplayBuffer);
if(key1==0) tiao_delay(); if(key1==0) tiaozheng(&RealClock); if(key2==0) tiao_delay(); if(key2==0) dingshif(); if(key3==0) dingshij(); if(key3==0) tiao_delay();
if(RealClock.Minute==Minute1) dingshifmq(); if(RealClock.Minute==Minute2) dingshijdq();
if(RealClock.Minute==0x00) if(flag5==1) { fmq_delay(2),flag5=0; } if(RealClock.Minute==0x02) flag5=1; //if(Temperature>=0x3500) fmq_delay(1); //if(Temperature<=0x3300) fmq_delay(2); } }
1602LCDDriver
#include <REGX51.H> #include "1602LCDDriver.h"
void lcd_delay(unsigned int delaytime) { while(delaytime)delaytime--; }
void write_lcd_command(unsigned char write_command) { lcd_delay(25); RSCLR; RWCLR; //LCDPORT=write_command; P2_0=(bit)(write_command & 0x80); write_command+=write_command; P2_1=(bit)(write_command & 0x80); write_command+=write_command; P2_2=(bit)(write_command & 0x80); write_command+=write_command; P2_3=(bit)(write_command & 0x80); write_command+=write_command; P2_4=(bit)(write_command & 0x80); write_command+=write_command; P2_5=(bit)(write_command & 0x80); write_command+=write_command; P2_6=(bit)(write_command & 0x80); write_command+=write_command; P2_7=(bit)(write_command & 0x80); ENSET; ENCLR; }
void write_lcd_data(unsigned char write_data) { lcd_delay(25); RSSET; RWCLR; //LCDPORT=write_data; P2_0=(bit)(write_data & 0x80); write_data += write_data; P2_1=(bit)(write_data & 0x80); write_data+=write_data; P2_2=(bit)(write_data & 0x80); write_data+=write_data; P2_3=(bit)(write_data & 0x80); write_data+=write_data; P2_4=(bit)(write_data & 0x80); write_data+=write_data; P2_5=(bit)(write_data & 0x80); write_data+=write_data; P2_6=(bit)(write_data & 0x80); write_data+=write_data; P2_7=(bit)(write_data & 0x80); ENSET; ENCLR; }
void initize_lcd(void) { unsigned char i; ENCLR; for(i=200;i>0;i--)lcd_delay(248); write_lcd_command(0x3f); for(i=4;i>0;i--)lcd_delay(248); write_lcd_command(0x3f); write_lcd_command(0x0f); write_lcd_command(0x01); for(i=4;i>0;i--)lcd_delay(248); write_lcd_command(0x06); }
void lcd_displaystr(unsigned char x,unsigned char y,const unsigned char *str) { switch(x) { case 0: write_lcd_command(0x80+y); break; case 1: write_lcd_command(0xc0+y); break; } while(*str) { write_lcd_data(*str); str++; } }
void lcd_displaystr_ram(unsigned char x,unsigned char y,unsigned char *str) { switch(x) { case 0: write_lcd_command(0x80+y); break; case 1: write_lcd_command(0xc0+y); break; } while(*str) { write_lcd_data(*str); str++; } }
DS18B20Driver
#include <REGX51.H> #include <INTRINS.h> #include "DS18B20Driver.h"
bit DS18B20_Reset(void) { unsigned char i;
DQ=0; //for(i=255;i>0;i--); for(i=255;i>0;i--); DQ=1; // for(i=60;i>0;i--); for(i=60;i>0;i--); return(DQ); //for(i=200;i>0;i--); for(i=200;i>0;i--); }
void DS18B20_Write(unsigned char command) { unsigned char i; unsigned char j;
for(i=8;i>0;i--) { if((command & 0x01)==0) { DQ=0; //for(j=35;j>0;j--); for(j=35;j>0;j--); DQ=1; } else { DQ=0; //for(j=2;j>0;j--); for(j=2;j>0;j--); DQ=1; //for(j=33;j>0;j--); for(j=33;j>0;j--); } command=_cror_(command,1); } }
unsigned char DS18B20_Read(void) { unsigned char i; unsigned char j; unsigned char temp;
temp=0; for(i=8;i>0;i--) { temp=_cror_(temp,1); DQ=0; _nop_(); _nop_(); DQ=1; //for(j=10;j>0;j--); for(j=10;j>0;j--); if(DQ==1) { temp=temp | 0x80; } else { temp=temp | 0x00; } // for(j=200;j>0;j--); for(j=200;j>0;j--); } return(temp); }
DS1302Driver
#include <REGX51.H> #include "DS1302Driver.h" #include <INTRINS.H>
void Init_DS1302_RTC(void) { DS1302CE=0; DS1302CK=0; DS1302IO=1; } unsigned char Read_DS1302_RTC(unsigned char RTC_Address) { unsigned char i; unsigned char temp;
DS1302CK=0; DS1302CE=1; for(i=8;i>0;i--) { if(RTC_Address & 0x01)DS1302IO=1; else DS1302IO=0; RTC_Address>>=1; DS1302CK=1; DS1302CK=0; } temp=0; if(DS1302IO==1)temp+=0x80; for(i=7;i>0;i--) { temp>>=1; DS1302CK=1; DS1302CK=0; if(DS1302IO==1)temp+=0x80; } DS1302CE=0; return(temp); }
void Write_DS1302_RTC(unsigned char RTC_Address,unsigned char RTC_Data) { unsigned char i;
DS1302CK=0; DS1302CE=1; for(i=8;i>0;i--) { if(RTC_Address & 0x01)DS1302IO=1; else DS1302IO=0; RTC_Address>>=1; DS1302CK=1; DS1302CK=0; } for(i=8;i>0;i--) { if(RTC_Data & 0x01)DS1302IO=1; else DS1302IO=0; RTC_Data>>=1; DS1302CK=1; DS1302CK=0; } DS1302CE=0; }
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