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//***************************************************//CHUONH
TRINH CHO HE THONG DONG HO THOI GIAN THUC// Version 01// Mua Dong
2012////Gmail : [email protected]//Website:
traitimlanhgia.jimdo.Com//// Copyright
TrungSonKMT//***************************************************#include
#device *=16#FUSES NOWDT, HS, NOPUT, NOPROTECT, NODEBUG,
NOBROWNOUT, NOLVP, NOCPD, NOWRT#use
delay(clock=20000000)#include
///////////////////DINH NGHIA CAC CHAN
DK////////////////////////
//DIA CHI PHIM DIEU KHIEN#BIT menu =0X06.0#BIT tang =0X06.1#BIT
giam =0X06.2
//KET NOI DS1307#BIT sda = 0X07.0#BIT scl = 0X07.1#BIT scl =
0X07.2//KET NOI LCD#BIT en = 0X09.0#BIT rs = 0X09.1#BIT rw =
0X09.2
#BYTE congLCD = 0X08#BIT D7 = 0X08.7
//KHAI BAO BIEN
int1 co = 0;unsigned char
*rtc[]={"0","1","2","3","4","5","6","7","8","9"};unsigned char
*day[]={"CNhat","Thu 2","Thu 3","Thu 4","Thu 5","Thu 6","Thu
7"};unsigned char giatrikhoitao_rtc[9];
#INT_EXTvoid set(){co=1;}
/******************************************************************************
****/
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~////
CAC CHUONG TRINH CON GIAO TIEP VOI
LCD////~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//void
busy() {
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D7=1; rs=0; rw=1; while(D7!=0) { en=0; en=1; }
}//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//void ghilenhLCD(unsigned
char x) { busy(); congLCD=x; // gia tri x rs=0; // chon thanh ghi
lenh rw=0; // ghi len lcd en=1; // cho phep muc cao en=0; //xung
cao xuong thap }//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//void
khoitaoLCD(void) { ghilenhLCD(0X38); // hai dong va ma tran 5x7
ghilenhLCD(0X0C); //bat man hinh , tat con tro
ghilenhLCD(0X01); //xoa man hinh ghilenhLCD(0X06); // dich hien
thi sang phai(tang con tro sang phai)
}//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//void ghi_kytu(unsigned
char value) { busy(); congLCD=value; rs=1; rw=0; en=1; en=0; }
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//void ghi_chuoi(unsigned
char *string) { unsigned char i; for(i=0;string[i]!='\0';i++)
ghi_kytu(string[i]);
}//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
void ghiso(unsigned char a) { unsigned char i; i=a/10;
ghi_chuoi(rtc[i]); i=a%10; ghi_chuoi(rtc[i]);
}//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//void
hienthi_dulieu_rtc(unsigned char x) { unsigned char temp; temp =
x/16; ghi_chuoi(rtc[temp]);
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temp = x%16; ghi_chuoi(rtc[temp]); }
/**********************************************************************************/
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~////
CAC CHUONG TRINH CON GIAO TIEP VOI
RTC////~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~////
ca 2 dk start va stop dc tao ra boi thiet bi chuvoid
start_rtc(void) //dk start: 1 su cdoi tthai tu cao xuong thap tren
duong sda trong khi { //duong scl dang o muc cao scl=1; sda=1;
delay_cycles(2); sda=0; scl=0;
}//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
void stop_rtc(void) //dk stop: 1 su cdoi trang thai tu muc thap
len cao tren duong sda trong khi duong{ // slc dang o muc cao
sda=0; scl=1; delay_cycles(2); sda=1;
}//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//void gui_rtc(unsigned
char x) {
unsigned char i;for(i=0;i
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sda=1; // trong qua trinh doc mot chuoi byte tu slaver master
gui bit ACK=> sda=1 scl=1; //master nhan/gui bit du lieu(sda)
khi scl o muc cao delay_cycles(2); scl=0; delay_cycles(2);//du
lieu(sda) thay doi khi scl muc thap/ return Data;//tra gia tri cho
ham}//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//char
docdulieu(unsigned char diachi){
unsigned char Data; start_rtc(); gui_rtc(0xd0); gui_rtc(diachi);
start_rtc(); gui_rtc(0xd1); //0xd0 + 0xd1 la dia chi cua ds107 va
che do doc du lieu Data=nhan_rtc();
stop_rtc();//Stop I2C return
Data;}//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//void
ghivaoDS1307(void) {
unsigned char t; for(t=0;t
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// ghi_chuoi("-20");hienthi_dulieu_rtc(docdulieu(6)); //nam
}
/**********************************************************************************/
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~////
CHUONG TRINH CON THUC HIEN VIEC CAI DAT NGAY GIO, THANG
NAM////~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
unsigned char bcd_dec(unsigned char bcd)//chuyen tu bcd sang
decima{return((bcd/16)*10+(bcd%16)); //vd bcd=66 -> dec =42}
unsigned char dec_bcd(unsigned char dec)// chuyen tu decima sang
bcd{return((dec/10)*16+(dec%10));}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
void caidat_rtc(){ unsigned char
giay,phut,gio,thu,ngay,thang,nam; giay =
bcd_dec(docdulieu(0)&0x7f); // de bit 7 (bit clock halt) cua
thanhghi giay = 0 => ko bi treo) phut = bcd_dec(docdulieu(1));
gio = bcd_dec(docdulieu(2)& 0x3f); //che do 24 h thu =
bcd_dec(docdulieu(3)); ngay = bcd_dec(docdulieu(4)); thang =
bcd_dec(docdulieu(5)); nam =
bcd_dec(docdulieu(6));//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
// CAI DAT GIO
ghilenhLCD(1);// ghi_chuoi("CHINH");// ghi_chuoi(" GIO :");
ghilenhLCD(0x0e); ghilenhLCD(0xc4); ghiso(gio); ghi_kytu(':');
ghiso(phut); ghi_kytu(':'); ghiso(giay);
///////////////////////////////////////// ghilenhLCD(0xC5);
while(menu==0);
caidatgio:while(tang!=0 && giam!=0 && menu!=0);
if(tang==0) { gio++; if(gio==24) gio=0; ghilenhLCD(0xC4);
ghiso(gio); ghilenhLCD(0xC5); delay_ms(300); goto caidatgio; }
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if(giam==0) { gio--; if(gio==0xff) gio=23; ghilenhLCD(0xC4);
ghiso(gio); ghilenhLCD(0xC5); delay_ms(300); goto caidatgio;}
//////////////////////////////////////////// while(menu==0);
ghilenhLCD(0xC8); caidatphut: while(tang!=0 && giam!=0
&& menu!=0); if(tang==0) { phut++; if(phut==60) phut=0;
ghilenhLCD(0xC7); ghiso(phut); ghilenhLCD(0x10); delay_ms(300);
goto caidatphut;} if(giam==0)
{ phut--; if(phut==0xff) phut=59; ghilenhLCD(0xC7); ghiso(phut);
ghilenhLCD(0x10); delay_ms(300); goto caidatphut; }
////////////////////////////////////////////// while(menu==0);
ghilenhLCD(0xCB);
caidatgiay: while(tang!=0 && giam!=0 &&
menu!=0); if(tang==0) { giay++; if(giay==60) giay=0;
ghilenhLCD(0xCA); ghiso(giay); ghilenhLCD(0xCB); delay_ms(100);
goto caidatgiay;
} if(giam==0) {
giay--; if(giay==0xff) giay=59; ghilenhLCD(0xCA); ghiso(giay);
ghilenhLCD(0xCB); delay_ms(100); goto caidatgiay; }
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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~~~~// // CAI DAT NGAY - THANG - NAM
while(menu==0); ghilenhLCD(1);// ghi_chuoi("CHINH NGAY :";
ghilenhLCD(0xc4); ghiso(ngay); ghi_kytu('-'); ghiso(thang);//
ghi_chuoi("-20"); ghiso(nam);
///////////////////////////////////////////////////
ghilenhLCD(0xc5); caidatngay:while (tang!=0 && giam!=0
&& menu!=0); if(tang==0) { ngay++; if(ngay==32) ngay=1;
ghilenhLCD(0xC4); ghiso(ngay); ghilenhLCD(0x10); delay_ms(300);
goto caidatngay;
}
if(giam==0) { ngay--; if(ngay==0) ngay=31; ghilenhLCD(0xC4);
ghiso(ngay); ghilenhLCD(0x10); delay_ms(300); goto caidatngay;
}
////////////////////////////////////////////////////
while(menu==0); ghilenhLCD(0xC8); caidatthang:while(tang!=0
&& giam!=0 && menu!=0); if(tang==0) { thang++;
if(thang==13) thang=1; ghilenhLCD(0xC7); ghiso(thang);
ghilenhLCD(0x10); delay_ms(300); goto caidatthang;
} if(giam==0) { thang--; if(thang==0) thang=12;
ghilenhLCD(0xC7); ghiso(thang); ghilenhLCD(0x10); delay_ms(300);
goto caidatthang;
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}
////////////////////////////////////////////////////////
while(menu==0); ghilenhLCD(0xCD); caidatnam:while(tang!=0
&& giam!=0 && menu!=0); if(tang==0) { nam++;
if(nam==100) nam=0; ghilenhLCD(0xCC); ghiso(nam); ghilenhLCD(0xCD);
delay_ms(300); goto caidatnam; }
if(giam==0) { nam--; if(nam==0xff) nam=99; ghilenhLCD(0xCC);
ghiso(nam); ghilenhLCD(0xCD);
delay_ms(300); goto caidatnam;}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
// CAI DAT THU while(menu==0); ghilenhLCD(1);// ghi_chuoi("CHINH
THU :"); ghilenhLCD(0xc4); ghi_chuoi(day[thu-1]);
caidatthu:while(tang!=0 && giam!=0 && menu!=0);
if(tang==0) { thu++; if(thu==8) thu=1; ghilenhLCD(0xC4);
ghi_chuoi(day[thu-1]); delay_ms(300); goto caidatthu; }
if(giam==0) { thu--; if(thu==0) thu=7;
ghilenhLCD(0xC4); ghi_chuoi(day[thu-1]); delay_ms(300); goto
caidatthu; }
while(menu==0); // ket thuc cai datghilenhLCD(1); //thi thuc
hien xoa man hinh
ghilenhLCD(0x0C); //bat hien thi tat con tro //CAP NHAT THOI
GIAN VAO RTC
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giatrikhoitao_rtc[0] = dec_bcd(giay); giatrikhoitao_rtc[1] =
dec_bcd(phut); giatrikhoitao_rtc[2] = dec_bcd(gio);
giatrikhoitao_rtc[3] = dec_bcd(thu); giatrikhoitao_rtc[4] =
dec_bcd(ngay); giatrikhoitao_rtc[5] = dec_bcd(thang);
giatrikhoitao_rtc[6] = dec_bcd(nam); giatrikhoitao_rtc[7] = 0x00;
giatrikhoitao_rtc[8] = 'c'; //ghi vao vi tri dau tien cua ram 1 co
(flag)
ghivaoDS1307(); ghilenhLCD(1);
}
/**********************************************************************************/
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~////
CHUONG TRINH CON KIEM TRA DU LIEU TU DS1307 KHI KHOI DONG
////~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//void
kiemtra_rtc(void){ unsigned char temp; start_rtc(); gui_rtc(0xd0);
gui_rtc(0x08);//doc du lieu tu thanh ghi co dia chi 0x08 (vi tri
ram dau tien) start_rtc(); gui_rtc(0xd1); temp=nhan_rtc();//con tro
dang tro toi dia chi 0x08 chua du lieu flag (co?`)
xem da cai dat hay chua stop_rtc(); if(temp!='c')//neu gia tri
thu 8 nhan duoc khac voi co 'c' cap nhat khi cai dat gio {// thi
tuc la lan dau duoc khoi tao, ta se chon gia tri ghi vao ban dau
theoy minh
giatrikhoitao_rtc[0]=0x50; giatrikhoitao_rtc[1]=0x59;
giatrikhoitao_rtc[2]=0x09; giatrikhoitao_rtc[3]=0x04;
giatrikhoitao_rtc[4]=0x04; giatrikhoitao_rtc[5]=0x05;
giatrikhoitao_rtc[6]=0x11;
giatrikhoitao_rtc[7]=0x00; giatrikhoitao_rtc[8]='c';
ghivaoDS1307(); }}
///////////////////////////////////////////////////////////////////////////////void
doccacdulieu(void){
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int i;for(i=0;i cai dat gio {
caidat_rtc(); co=0; }
}}
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