[ducminh82]

À, chỗ này có lẽ bị nhầm,mình sẽ sủa lại
đây là code của nó:

#include <16F877a.h> // KHAI BAO SU DUNG PIC 16F877A

#include <def_877a.h> // FILE DINH NGHIA CAC THANH GHI VA CAC BIT

#device *=16 adc=10 // KHAI BAO SU DUNG CON TRO 16 BIT VA ADC 10 BIT
// KHAI BAO CAU HINH CHO PIC 16F877A
#FUSES NOWDT, HS, NOPUT, NOPROTECT, NODEBUG, NOBROWNOUT, NOLVP,NOCPD, NOWRT
// KHAI BAO SU DUNG DELAY VOI TAN SO DAO DONG NGOAI
#use delay(clock=12000000)

#include <DS1307.c>

/////////////////////////////////////////////////////////////////////////////

byte sec,min,hour,day,month,year;
byte const MAP[10] = {0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90 };
byte TG1,TG2,TG3,TG4,TG5,TG6; //bien hien led trung gian
byte day1, day2, month1, month2, year1, year2, year3;

#bit SW1 = 0x08.0 // D0 - chon che do chinh gio, phut, giay
#bit SW2 = 0x08.1 // D1 - tang thoi gian
#bit SW3 = 0x08.2 // D2 - giam thoi gian
#bit SW4 = 0x08.3 // D3 - clear tinh trang
#bit led1= 0x09.0
#bit led2= 0x09.1// hien thi led don
#bit ngc = 0x08.5 // ngay- hang chuc
#bit ngd = 0x08.4 // ngay- hang don vi
#bit thc = 0x09.2 // thang- hang chuc
#bit thd = 0x07.1 // thang- hang don vi
#bit nat = 0x07.7 // nam- hang tram
#bit nac = 0x07.6 // nam- hang chuc
#bit nad = 0x07.5 // nam- hang don vi
#bit gic = 0x05.5 // gio- hang chuc
#bit gid = 0x05.4 // gio- hang don vi
#bit pc = 0x05.3 // phut- hang chuc
#bit pd = 0x05.2 // phut- hang don vi
#bit gc = 0x05.1 // giay- hang chuc
#bit gd = 0x07.0 // giay- hang don vi
#bit nc = 0x08.7 // nhiet do- hang chuc
#bit nd = 0x08.6 // nhiet do- hang don vi

int8 high,low;
float value;
int16 i;
byte chinh_phut, chinh_gio, chinh_day, chinh_month, chinh_year;

void update_1307();// CAP NHAT DS1307

void set_sec();// CHINH GIAY
void set_min();// CHINH PHUT
void set_hour();// CHINH GIO
void set_day();//chinh day
void set_month(); //chinh month
void set_year(); // chinh year

void read_time(); // CHUONG TRINH CON DOC THOI GIAN DS1307
void update_time();// CHUONG TRINH CON CAP NHAT THOI GIAN
void display();// CHUONG TRINH CON HIEN THI

void convert_bcd(int8 x)
{
low=x%10; // CHU SO HANG DON VI
high=x/10; // CHU SO HANG CHUC

}

//////////////////////////////////////////////////////////////////////////
// BAT DAU CHUONG TRINH CHINH////////////////////////////////////////////

void main()
{
byte u;
set_Tris_d(0x0F);
set_Tris_b(0x00);
set_Tris_a(0x01);
set_Tris_c(0x18);
set_Tris_e(0x00);
init_ds1307();
u=read_ds1307(0);
sec=u & 0x0F;

/////////////////////////////////////////

setup_adc(ADC_CLOCK_INTERNAL); // THIET LAP THOI GIAN LAY MAU BANG XUNG CLOCK
setup_adc_ports(AN0); // THIET LAP CHAN AN0 LA CHAN VAO ADC
set_ADC_channel(0) ;
delay_us(10); // TRE 10US

value=(float)read_adc(); // DOC GIA TRI ADC
value = (value-558.5)/2.048;
convert_bcd((int8)value); // GOI CHUONG TRINH CON CONVERT_BCD


//////////////////////////////////////////////

write_ds1307(0,sec);// ket noi dong ho(bit7=0)
chinh_gio=0; chinh_year=0; chinh_day=0; chinh_phut=0;chinh_month=0;
ngc=1;ngd=1;thc=1;thd=1;nat=1; nac=1; nad=1; gic=1; gid=1; pc=1; pd=1; gc=1; gd=1;nc=1;nd=1;
year3=0;
while(true)
{
i++;
read_time();
display();
if(hour==0x18||hour==0x19||hour==0x20||hour==0x21| |hour==0x22||hour==0x23||hour==0x00||hour==0x01||h our==0x02||hour==0x03||hour==0x04||hour==0x05)
{
led1=1; led2=1;
}
else
{
led1=0; led2=0;
}

if(sw1==0)
{
if(chinh_phut==0&&sw4==1)
{
while(sw1==0) {}
set_min(); chinh_phut=1;
}
else if(chinh_gio==0&&sw4==1)
{
while(sw1==0) {}
set_hour(); chinh_gio=1;
}
else if(chinh_day==0&&sw4==1)
{
while(sw1==0) {}
set_day(); chinh_day=1;
}
else if(chinh_month==0&&sw4==1)
{
while(sw1==0){}
set_month(); chinh_month=1;
}
else if(chinh_year==0&&sw4==1)
{
while(sw1==0){}
set_year(); chinh_year=1;
}
else if(chinh_phut==1&&chinh_gio==1&&chinh_day==1&&chin h_month==1&&chinh_year==1)
{
chinh_phut=0; chinh_gio=0; chinh_day=0; chinh_month=0; chinh_year=0;
}
}

if(sw4==0)
{
chinh_gio=0; chinh_year=0; chinh_day=0; chinh_phut=0;chinh_month=0;
}

}
}
//////////////////////////////////////////////////

// CHUONG TRINH CON HIEN THI RA LED 7 DOAN

/////////////////////////////////////////

void read_time()
{
sec = read_DS1307(0);
min = read_DS1307(1);
hour = read_DS1307(2);
day = read_DS1307(4);
month= read_DS1307(5);
year= read_DS1307(6);


value =(float) read_adc();
value = (value-558.5)/2.048;///ADC_10_bit: C= ( reading-558.6)/ 2.048
if (i==500)
{
convert_bcd((int8)value);
i=0;
}

update_time();
}

/////////////////////////////////////////////////////

void update_1307()
{
write_DS1307(0,sec);
write_DS1307(1,min);
write_DS1307(2,hour);
write_DS1307(4,day);
write_DS1307(5,month);
write_DS1307(6,year);
}

////////////////////////////////////////////////////
void update_time()
{

TG1= sec & 0x0F;
TG2=(sec & 0xF0)>>4; //convert to BCD SEC
TG3= min & 0x0F;
TG4=(min & 0xF0)>>4; //convert to BCD MIN
TG5= hour & 0x0F;
TG6=(hour & 0x30)>>4; //convert to BCD HOUR
///////////////////////////////////////////////
day1= day&0x0F;
day2= (day&0x30)>>4;
month1= month&0x0F;
month2= (month&0x10)>>4;
year1= year&0x0F;
year2= (year&0xF0)>>4;
}

//////////////////////////////////////////////////////

void set_min()
{
ngc=1;ngd=1;thc=1;thd=1;nat=1; nac=1; nad=1; gic=1; gid=1; pc=1; pd=1; gc=1; gd=1;
min= read_DS1307(1);
TG3= min & 0x0F;
TG4=(min & 0xF0)>>4; //convert to BCD MIN
while(sw1==1&&sw4==1)
{

portb= MAP[TG3]; pd=0; delay_us(500); pd=1;
portb= MAP[TG4]; pc=0; delay_us(500); pc=1;

if(sw2==0)
{
while(sw2==0) {}
if(TG4==5&&TG3==9) { TG4=0; TG3=0;}
else if(TG3==9) { TG4++; TG3=0;}
else TG3++;
}
if(sw3==0)
{
while(sw3==0) {}
if(TG4==0&&TG3==0) {TG4=5; TG3=9;}
else if(TG3==0) {TG4--; TG3=9;}
else TG3--;
}
min= (TG4<<4) + TG3;
write_DS1307(1,min);
delay_us(10);
}
// ngc=0; ngd=0; thc=0; thd=0; nat=0; nac=0; nad=0; gic=0; gid=0; pc=0; pd=0; gc=0; gd=0;


}

////////////////////////////////////////////////////

void set_hour()
{
ngc=1;ngd=1;thc=1;thd=1;nat=1; nac=1; nad=1; gic=1; gid=1; pc=1; pd=1; gc=1; gd=1;
hour= read_DS1307(2);
TG5= hour & 0x0F;
TG6=(hour & 0x30)>>4; //convert to BCD MIN
while(sw1==1&&sw4==1)
{

portb= MAP[TG5]; gid=0; delay_us(500); gid=1;
portb= MAP[TG6]; gic=0; delay_us(500); gic=1;

if(sw2==0)
{
while(sw2==0) {}
if(TG6==2&&TG5==4) { TG6=0;TG5=0;}
else if(TG5==9) { TG6++; TG5=0;}
else TG5++;
}
if(sw3==0)
{
while(sw3==0) {}
if(TG6==0&&TG5==0) {TG6=2; TG5=4;}
else if(TG5==0) {TG6--; TG5=9;}
else TG5--;
}
hour= (TG6<<4) + TG5;
write_DS1307(2,hour);
delay_us(10);
}

// ngc=0; ngd=0; thc=0; thd=0; nat=0; nac=0; nad=0; gic=0; gid=0; pc=0; pd=0; gc=0; gd=0;


}
/////////////////////////////////////////////

void set_day()
{
ngc=1;ngd=1;thc=1;thd=1;nat=1; nac=1; nad=1; gic=1; gid=1; pc=1; pd=1; gc=1; gd=1;
day= read_DS1307(4);
day1= day & 0x0F;
day2=(day & 0x30)>>4; //convert to BCD MIN
while(sw1==1&&sw4==1)
{

portb= MAP[day1]; ngd=0; delay_us(500); ngd=1;
portb= MAP[day2]; ngc=0; delay_us(500); ngc=1;

if(sw2==0)
{
while(sw2==0) {}
if(day2==3&&day1==1) { day2=0; day1=0;}
else if(day1==9) { day2++; day1=0;}
else day1++;
}
if(sw3==0)
{
while(sw3==0) {}
if(day2==0&&day1==0) {day2=3; day1=1;}
else if(day1==0) {day2--; day1=9;}
else day1--;
}
day= (day2<<4) + day1;
write_DS1307(4,day);
delay_us(10);
}

// ngc=0; ngd=0; thc=0; thd=0; nat=0; nac=0; nad=0; gic=0; gid=0; pc=0; pd=0; gc=0; gd=0;

}

/////////////////////////////////////////////

void set_month()
{
ngc=1;ngd=1;thc=1;thd=1;nat=1; nac=1; nad=1; gic=1; gid=1; pc=1; pd=1; gc=1; gd=1;
month= read_DS1307(5);
month1= month & 0x0F;
month2=(month & 0x10)>>4; //convert to BCD MIN
while(sw1==1&&sw4==1)
{

portb= MAP[month1]; thd=0; delay_us(500); thd=1;
portb= MAP[month2]; thc=0; delay_us(500); thc=1;

if(sw2==0)
{
while(sw2==0) {}
if(month2==1&&month1==2) { month2=0; month1=0;}
else if(month1==9) { month2++; month1=0;}
else month1++;
}
if(sw3==0)
{
while(sw3==0) {}
if(month2==0&&month1==0) {month2=1; month1=2;}
else if(month1==0) {month2--; month1=9;}
else month1--;
}
month= (month2<<4) + month1;
write_DS1307(5,month);
delay_us(10);
}

// ngc=0; ngd=0; thc=0; thd=0; nat=0; nac=0; nad=0; gic=0; gid=0; pc=0; pd=0; gc=0; gd=0;
}

////////////////////////////////////////////

void set_year()
{
ngc=1;ngd=1;thc=1;thd=1;nat=1; nac=1; nad=1; gic=1; gid=1; pc=1; pd=1; gc=1; gd=1;
year= read_DS1307(6);
year1= year & 0x0F;
year2=(year & 0xF0)>>4; //convert to BCD MIN
while(sw1==1&&sw4==1)
{

portb= MAP[year1]; nad=0; delay_us(500); nd=1;
portb= MAP[year2]; nac=0; delay_us(500); nac=1;

if(sw2==0)
{
while(sw2==0) {}
if(year3==9&&year2==9&&year1==9) {year3=0;year2=0;year1=0;}
if(year2==9&&year1==9) { year3++;year2=0;year1=0;}
else if(year1==9) { year2++; year1=0;}
else year1++;
}
if(sw3==0)
{
while(sw3==0) {}
if(year3==0&&year2==0&&year1==0) { year3=9;year2=9;year1=9;}
if(year2==0&&year1==0) {year3--; year2=9;year1=9;}
else if(year1==0) {year2--; year1=9;}
else year1--;
}
year= ( year2<<4) + year1;
write_DS1307(6,year);
delay_us(10);
}

// ngc=0; ngd=0; thc=0; thd=0; nat=0; nac=0; nad=0; gic=0; gid=0; pc=0; pd=0; gc=0; gd=0;

}
//////////////////////////////////////////////

void display()
{
// sec - min - hour
PortB=MAP[TG6];
gic=0;
delay_us(500);
gic=1;

PortB=MAP[TG5];
gid=0;
delay_us(500);
gid=1;

PortB=MAP[TG4];
pc=0;
delay_us(500);
pc=1;

PortB=MAP[TG3];
pd=0;
delay_us(500);
pd=1;

PortB=MAP[TG2];
gc=0;
delay_us(500);
gc=1;

PortB=MAP[TG1];
gd=0;
delay_us(500);
gd=1;

// day- month- year
PortB= MAP[year3];
nat=0;
delay_us(500);
nat=1;

PortB=MAP[year2];
nac=0;
delay_us(500);
nac=1;

PortB=MAP[year1];
nad=0;
delay_us(500);
nad=1;

PortB=MAP[month2];
thc=0;
delay_us(500);
thc=1;

PortB=MAP[month1];
thd=0;
delay_us(500);
thd=1;

PortB=MAP[day2];
ngc=0;
delay_us(500);
ngc=1;

PortB=MAP[day1];
ngd=0;
delay_us(500);
ngd=1;


// nhiet do
PORTB=MAP[high];
nc=0;
delay_us(500);
nc=1;

PORTB=MAP[low];
nd=0;
delay_us(500);
nd=1;
/////////////////////////////////////////////////


}