带温度和时间显示程序

1、/带温度和时间显示程序/? C /neo/V1.1 2011-7-16/MCS-51 12MHZ C?/?: DS1302?DS18B20*/#include <reg52.h>#include <intrins.h>#define uint8 unsigned char#define uchar unsigned char#define uint unsigned intuchar Disp_Buff4;char SB=4; / clock set time bit /bit Set_Flag; / set time flagbit T=0; / display Te

2、mperature and Time flag bit TT=0; / 10S Auto change display Temperature and Time flag/#define T0_H 0xf0 / 4ms/#define T0_L 0x60#define T0_H 0xf5 / 2666us#define T0_L 0x96#define ST 20#define T1_H 0xb1 /20ms #define T1_L 0xe0#define NumLed_Bit P2#define Disp P0#define Key P3#define Key1 1#define Key2

3、 2#define Key3 3#define Key4 4#define Key_NULL 0sbit Beep=P07;void Play(uchar t);sbit Red_Led=P37;/ Driver DS1302/*/sbit RST=P12; sbit IO=P10; sbit SCLK=P11;#define second_write 0x80#define minute_write 0x82#define hour_write 0x84#define week_write 0x8a#define day_write 0x86#define month_write 0x88#

4、define year_write 0x8c#define second_read 0x81#define minute_read 0x83#define hour_read 0x85#define week_read 0x8b#define day_read 0x87#define month_read 0x89#define year_read 0x8d#define sclk_high SCLK=1;#define sclk_low SCLK=0;#define io_high IO=1;#define io_low IO=0;#define io_read IO#define rst_

5、high RST=1;#define rst_low RST=0;struct uint8 second; uint8 minute; uint8 hour; uint8 day; uint8 week;uint8 month;uint8 year; current_time;/*/static void ds1302write(uint8 content) uint8 i; for(i=8;i>0;i-) if(content&0x01) io_high else io_low content>>=1; sclk_high sclk_low /*/static ui

6、nt8 ds1302read(void) uint8 i,readvalue; io_high for(i=8;i>0;i-) readvalue>>=1; if(io_read) readvalue|=0x80; else readvalue&=0x7f;sclk_high sclk_low return readvalue; /*/void ds1302write_byte (uint8 address,uint8 content) rst_low sclk_low rst_high ds1302write(address); ds1302write(conten

7、t); rst_low sclk_highuint8 ds1302read_byte(uint8 address) uint8 readvalue; rst_low sclk_low rst_high ds1302write(address); readvalue=ds1302read(); rst_low sclk_high return readvalue; /*/void Clock_Init(void) uchar R; if(ds1302read_byte(0xc1)!=0xf0) ds1302write_byte(0x8e,0x00); ds1302write_byte(year_

8、write,0x11); ds1302write_byte(week_write,0x06); ds1302write_byte(month_write,0x04); ds1302write_byte(day_write,0x09); ds1302write_byte(hour_write,0x23); ds1302write_byte(minute_write,0x59); ds1302write_byte(second_write,0x30); ds1302write_byte(0x90,0xa5); ds1302write_byte(0xc0,0xf0); for (R=0;R<1

9、0;R+=2) ds1302write_byte(0xc2+R,0); ds1302write_byte(0x8e,0x80); /*/void Clock_Updata(void) current_time.second=ds1302read_byte(second_read); current_time.minute=ds1302read_byte(minute_read); current_time.hour= ds1302read_byte(hour_read); current_time.day= ds1302read_byte(day_read); current_time.mon

10、th= ds1302read_byte(month_read); current_time.week= ds1302read_byte(week_read); current_time.year= ds1302read_byte(year_read);/*/void Write_Time(void) ds1302write_byte(0x8e,0x00); ds1302write_byte(0x82,(Disp_Buff2<<4)|Disp_Buff3); ds1302write_byte(0x84,(Disp_Buff0<<4)|Disp_Buff1); ds1302

11、write_byte(0x8e,0x80); /*/void Write_Alarm(void) ds1302write_byte(0x8e,0x00); ds1302write_byte(0xca,(Disp_Buff2<<4)|Disp_Buff3); / alarm minute ds1302write_byte(0xc8,(Disp_Buff0<<4)|Disp_Buff1); / alarm hour ds1302write_byte(0xc6,1); ds1302write_byte(0x8e,0x80); /*/void Alarm(void) if(ds

12、1302read_byte(0xc7)=1&& current_time.minute=ds1302read_byte(0xcb)&&current_time.hour=ds1302read_byte(0xc9) ) ds1302write_byte(0x8e,0x00); ds1302write_byte(0xc6,0); ds1302write_byte(0x8e,0x80); Play(3); /*/ DS18B20 driversbit io_DQ=P06;#define DQ_HIGH io_DQ=1;#define DQ_LOW io_DQ=0;#d

13、efine DQ_READ io_DQunsigned char Temperature4; void Delay_10Us (unsigned int Count) while(-Count) _nop_(); /*/ unsigned char Ds18b20_Init(void) unsigned char Flag; DQ_HIGH Delay_10Us(3); DQ_LOW Delay_10Us(80); DQ_HIGH Delay_10Us(15); Flag=DQ_READ; return Flag; /*/ void Write_f(unsigned char cmd) uns

14、igned char i; for(i=8;i>0;i-) EA=0; DQ_LOW DQ_READ=cmd&0x01; Delay_10Us(5); DQ_HIGH EA=1; cmd>>=1; /*/ unsigned char Read_f(void) unsigned char Read_Value,i; for (i=8;i>0;i-) EA=0; DQ_LOW Read_Value>>=1; DQ_HIGH if (DQ_READ=1) Read_Value|=0x80; EA=1; Delay_10Us(3); return Read_

15、Value; /*/ unsigned int Read_Temp(void) unsigned char Temp_H, Temp_L; unsigned int Return_Temp; EA=0; / close interrupt; Ds18b20_Init(); Write_f(0xcc); Write_f(0x44); Ds18b20_Init(); Write_f(0xcc); Write_f(0xbe); Temp_L=Read_f(); Temp_H=Read_f(); EA=1; Return_Temp=Temp_H; Return_Temp<<=8; Retu

16、rn_Temp|=Temp_L; return Return_Temp; /*/ void Temperature_Update(void) unsigned char T_flag=0; unsigned int Temp_Dat; float Temp; Temp_Dat=Read_Temp(); if(Temp_Dat&0xf000) T_flag=1; Temp_Dat=Temp_Dat+1; Temp=Temp_Dat*0.0625; Temp_Dat=Temp*10; Temperature0=T_flag; Temperature1=Temp_Dat/100; Tempe

17、rature2=Temp_Dat%100/10; Temperature3=Temp_Dat%10; /*/void Timer0_Init(void) TMOD|=0x01; TH0=T0_H; TL0=T0_L; EA=1; ET0=1; TR0=1;/*/bit T_10S,T_1S;bit S;/ shining flagbit pp=1; / open or close :unsigned int ms1,ms2,ms3;uchar Bit;/ Number Led select uchar code Disp_NumCode=0x3f,0x06,0x5b,0x4f, 0x66,0x

18、6d,0x7d,0x07, 0x7f,0x6f, / dp-a P07-P00 0-9, 0x39, /c10 0x37,0x79,0x3f, /NEO 11-13 0x6d,0x39,0xf7, / S,C,A 14-16 0x7f,0x73,0x71, / d,p,F 17-19 0x00, / " " 20 0xc7,0xf7 / L 21 _ 22 ; /*/uchar code Open_Logo=11,12,13,20;uchar code S_C=14,22,15,20;uchar code S_A=14,22,16,20;uchar code d_p=17,

19、22,18,20;uchar code BELL=17,12,21,21;uchar code ON= 20,13,11,20;uchar code OFF=20,13,19,19; void Put_In(uchar *P) uchar a; for (a=0;a<4;a+) Disp_Buffa=Pa; /*/void Timer0_Isr(void) interrupt 1 TH0=T0_H; /4ms TL0=T0_L; Disp=0x00; /* switch(Bit) case 0 : NumLed_Bit=0xfe; break; case 1 :NumLed_Bit=0x

20、fd; break; case 2 :NumLed_Bit=0xfb; break; case 3 :NumLed_Bit=0xf7; break; case 4 : NumLed_Bit=0xf3; break; / display : default : break; */ switch(Bit) case 0 : if(SB=0) if (S) NumLed_Bit=0xfe; /如共阳是0X01 以下都是要改 if(S=0) NumLed_Bit=0xff; /0X00 else NumLed_Bit=0xfe;/0X01 break; case 1 : if(SB=1) if (S)

21、 NumLed_Bit=0xfd; /0X02 if(S=0) NumLed_Bit=0xff; /0X00 else NumLed_Bit=0xfd; / 0X02 break; case 2 : if(SB=2) if (S) NumLed_Bit=0xfb; /0X04 if(S=0) NumLed_Bit=0xff; /0X00 else NumLed_Bit=0xfb; /0X04 break; case 3 : if(SB=3) if (S) NumLed_Bit=0xf7; /0X08 if(S=0) NumLed_Bit=0xff; /0X00 else NumLed_Bit=

22、0xf7; /0X08 break; case 4 : if(T=0|TT=0) NumLed_Bit=0xf3; / display : 0X0C if( T | TT ) NumLed_Bit=0xfb; / display .0X04 break; default : break; if(Bit<4) Disp=Disp_NumCodeDisp_BuffBit; else if(pp=1) if (T=0|TT=0) if(current_time.second%2) Disp=0x80; else Disp=0x00; if( T | TT ) Disp=0x80; else D

23、isp=0x00; / close : if(+Bit>4) Bit=0; /*/void Timer1_Init(void) TMOD|=0x10; TH1=T1_H; /20ms TL1=T1_L; EA=1; ET1=1; TR1=1; /*/uchar Key_Time;void Timer1_Isr(void) interrupt 3 TH1=T1_H; TL1=T1_L; if(Key!=0xff) Key_Time+; if(+ms1>ST) ms1=0; S=S; /when set time Shiningbit if(+ms2>=50) ms2=0; T_

24、1S=1; if(+ms3>500) ms3=0; T_10S=1; /*/void DelayM(unsigned int a)/-? 1MS/?unsigned char i;while(a-) for(i = 0; i < 125; i+) /i ?0?125,CPU?1?/*/void Play(uchar t) uchar i; switch(t) case 1: Beep=0; DelayM(100); break; case 2: Beep=0;DelayM(400); Beep=1; DelayM(500);Beep=0;DelayM(100); break; ca

25、se 3: for(i=0;i<20;i+)Beep=0;DelayM(100); Beep=1;DelayM(100);Beep=0;DelayM(100);Beep=1; DelayM(500); break; default : break; Beep=1; /*/ uchar Key_Scan(void) static bit Key_Down; static uchar K; uchar K_Value=0; if(Key_Time>250) Key_Time=3; if(Key_Time>=3&&Key_Down=0) Key_Time=0; Ke

26、y_Down=1; switch(Key) case 0xfe: K=1; break; case 0xfd: K=2; break; case 0xfb: K=3; break; case 0xf7: K=4; break; default : K=0; break; if(Key=0xff&&Key_Down=1) Key_Down=0;K_Value=K; Play(1); return K_Value; /*/void Disp_Time(void) Disp_Buff3=current_time.minute%16; Disp_Buff2=current_time.m

27、inute/16; Disp_Buff1=current_time.hour%16; Disp_Buff0=current_time.hour/16; /*/void Disp_Temperature_3bit(void) Disp_Buff3=20; Disp_Buff2=10; / display 'c' Disp_Buff1=Temperature2; Disp_Buff0=Temperature1; /*void Disp_Temperature_4bit(void) Disp_Buff3=Temperature3; Disp_Buff2=10; / display c

28、 Disp_Buff1=Temperature2; Disp_Buff0=Temperature1; */uchar Select_M=4;void MENU (void) uchar K; char Menu=0; pp=0; / close ':' while(Menu!=4) K=Key_Scan(); switch (Menu) case 0 : Put_In(S_C); break; case 1 : Put_In(S_A); break; case 2 : Put_In(d_p); break; case 3 : Put_In(BELL); default : br

29、eak; if(K=Key3) Menu=4; if(K=Key2) Menu=(Menu+1)%4; if(K=Key1) Select_M=Menu; Menu=4; pp=1; /*/void Set_Time(void) bit Set_Flag=1; / set time flag uchar K; SB=0; Disp_Time(); T=0; TT=0; while(Set_Flag) K=Key_Scan();if(K=Key1) switch(SB) case 0 : if(Disp_Buff1>3) Disp_Buff0=(Disp_Buff0+1)%2; else

30、Disp_Buff0=(Disp_Buff0+1)%3; break; case 1 : if(Disp_Buff0=2) Disp_Buff1=(Disp_Buff1+1)%4;else Disp_Buff1=(Disp_Buff1+1)%10; break; case 2 : Disp_Buff2=(Disp_Buff2+1)%6; break; case 3 : Disp_Buff3=(Disp_Buff3+1)%10; break; default : break; if(K=Key2) SB= (SB+1)%4; if(K=Key3) Set_Flag=0; SB=4; if(K=K

31、ey4) Set_Flag=0; SB=4; Write_Time(); T_10S=0; /*/void Write_Ds1302Ram(uchar address,uchar dat) ds1302write_byte(0x8e,0x00); ds1302write_byte(address,dat); ds1302write_byte(0x8e,0x80); /*/uchar dp; / display modle select bitvoid Set_Dp(void)bit dp_Set=1; uchar K;pp=0; / close ':'/dp=ds1302read_byte(0xc3); while(dp_Set) K=Key_Scan(); switch(dp) case 1 : Put_In(ON); break; case 0 : Put_In(OFF); break; default : break; if(K=Key3) dp_Set=0; if(K=Key2) dp=(dp+1)%2; if(K=Key