#define uchar unsigned char
// LCD module connections
sbit LCD_RS at RD2_bit;
sbit LCD_EN at RD3_bit;
sbit LCD_D4 at RD4_bit;
sbit LCD_D5 at RD5_bit;
sbit LCD_D6 at RD6_bit;
sbit LCD_D7 at RD7_bit;
sbit LCD_RS_Direction at TRISD2_bit;
sbit LCD_EN_Direction at TRISD3_bit;
sbit LCD_D4_Direction at TRISD4_bit;
sbit LCD_D5_Direction at TRISD5_bit;
sbit LCD_D6_Direction at TRISD6_bit;
sbit LCD_D7_Direction at TRISD7_bit;
// End LCD module connections
//output definitions
#define backlight PORTC.F0
#define sistemled portb.f1
#define outled portc.f2
//buttons definitions
#define btnEnter porte.f2
#define btnEsc porta.f2
#define btnUp porte.f0
#define btnDown porta.f4
#define btnLeft porta.f5
#define btnRight porte.f1
//
uchar seconds = 0;
uchar minutes = 0;
uchar hours = 0;
uchar day = 0;
uchar month = 0;
uchar year = 0;
uchar gorev=0;
// fonksiyon prototipleri
void initial();
void Read_Time();
void Transform_Time();
void Display_Time();
void clockprogramming();
void timetask();
void temperaturetask();
void menufunc();
void sicaklikoku(unsigned char kanal,unsigned char* dizi);
//fonksiyon prototipleri sonu
void main() {
initial();
while(1){
switch (gorev){
case 1: timetask();break;
case 2: temperaturetask();Delay_Ms(250);break;
//case 3: break;
default: ;
}
if(!btnEnter) menufunc();
} // main while
} // void main
void initial(){
PORTA=0;
TRISA=0xff;
ADCON0=0xa0; // Configure AN pins porta.f0,f1 analog;porta.f3 analog; diğerleri dijital
ADCON1=0x85; //
PORTB = 0;
TRISB = 0;
PORTC=0;
TRISC=0X80;
PORTD=0;
TRISD=0;
PORTE=0;
TRISE=7;
I2C1_Init(100000); // initialize I2C communication
UART1_Init(9600); // Initialize UART module at 9600 bps
Lcd_Init(); // Initialize LCD
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off
backlight=1;
Lcd_Out(1,1,"merhaba");
sistemled=1;
outled=1;
clockprogramming();
OPTION_REG=0;
INTCON=0X90;
}
//--------------------- Reads time and date information from RTC (PCF8583)
void interrupt(){
if(intcon.intf){
intcon.intf=0;
gorev=1;
sistemled=~sistemled;
/*
Read_Time();
Transform_Time();
Display_Time();
*/
}
}// interrupt
/////////////////////////////
void menufunc(){
gorev=2;
Lcd_Out(1,3,"TEMPERATURE");
}
////////////////////////////
void Read_Time() {
I2C1_Start(); // Issue start signal
I2C1_Wr(0xA0); // Address PCF8583, see PCF8583 datasheet
I2C1_Wr(2); // Start from address 2
I2C1_Start(); // Issue repeated start signal
I2C1_Wr(0xA1); // Address PCF8583 for reading R/W=1
seconds = I2C1_Rd(1); // Read seconds byte
minutes = I2C1_Rd(1); // Read minutes byte
hours = I2C1_Rd(1); // Read hours byte
day = I2C1_Rd(1); // Read year/day byte
month = I2C1_Rd(0); // Read weekday/month byte
I2C1_Stop(); // Issue stop signal
}
//-------------------- Formats date and time
void Transform_Time() {
seconds = ((seconds & 0xF0) >> 4)*10 + (seconds & 0x0F); // Transform seconds
minutes = ((minutes & 0xF0) >> 4)*10 + (minutes & 0x0F); // Transform months
hours = ((hours & 0xF0) >> 4)*10 + (hours & 0x0F); // Transform hours
year = (day & 0xC0) >> 6; // Transform year
day = ((day & 0x30) >> 4)*10 + (day & 0x0F); // Transform day
month = ((month & 0x10) >> 4)*10 + (month & 0x0F); // Transform month
}
//-------------------- Output values to LCD
void Display_Time() {
Lcd_Chr(1, 6, (day / 10) + 48); // Print tens digit of day variable
Lcd_Chr(1, 7, (day % 10) + 48); // Print oness digit of day variable
Lcd_Chr(1, 9, (month / 10) + 48);
Lcd_Chr(1,10, (month % 10) + 48);
Lcd_Chr(1,15, year + 56); // Print year vaiable + 8 (start from year 2008)
Lcd_Chr(2, 6, (hours / 10) + 48);
Lcd_Chr(2, 7, (hours % 10) + 48);
Lcd_Chr(2, 9, (minutes / 10) + 48);
Lcd_Chr(2,10, (minutes % 10) + 48);
Lcd_Chr(2,12, (seconds / 10) + 48);
Lcd_Chr(2,13, (seconds % 10) + 48);
}
/////////////////////////////////////////
void clockprogramming(){
I2C1_Start(); // Issue start signal
I2C1_Wr(0xA0); // Address PCF8583, see PCF8583 datasheet
I2C1_Wr(0); // Start from address 0 (configuration memory location)
I2C1_Wr(0x80); // Write 0x80 to configuration memory location (pause counter...)
I2C1_Wr(0); // Write 0 to cents memory location
I2C1_Wr(0); // Write 0 to seconds memory location
I2C1_Wr(0x30); // Write 0x30 to minutes memory location
I2C1_Wr(0x12); // Write 0x12 to hours memory location
I2C1_Wr(0x24); // Write 0x24 to year/date memory location
I2C1_Wr(0x08); // Write 0x08 to weekday/month memory location
I2C1_Stop(); // Issue stop signal
I2C1_Start(); // Issue start signal
I2C1_Wr(0xA0); // Address PCF8530
I2C1_Wr(0); // Start from address 0
I2C1_Wr(0); // Write 0 to configuration memory location (enable counting)
I2C1_Stop(); // Issue stop signal
} //
//////////
void menufunc(){
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off
Lcd_Out(1,5,"MENU");
Lcd_Out(2,1,"1: Mod Sel");
}
void timetask(){
Read_Time();
Transform_Time();
Display_Time();
}
////////////////
float adimbuyuklugu=5/1023;
unsigned long temperature=0;
unsigned int sicaklik=0;
unsigned int isi=0;
unsigned char isidegeri[16];
unsigned char setdegeri[16];
unsigned int isideger=0;
unsigned int setdeger=0;
unsigned char offset=20;
//////////////
void temperaturetask(){
unsigned char temp=0;
isideger=setdeger=0;
sicaklikoku(0,isidegeri);
sicaklikoku(1,setdegeri);
if(outled==1)if(isideger<=(setdeger-(unsigned int)offset))outled=0;
if(outled==0) {if(isideger>=setdeger)outled=1;}
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off
Lcd_Out(1,1,"Set : ");Lcd_Out_Cp(setdegeri);
Lcd_Out(2,1,"Temp: ");Lcd_Out_Cp(isidegeri);
}
void sicaklikoku(unsigned char kanal,unsigned char* dizi){
uchar i=0;
sicaklik=ADC_Read(kanal);
for(i=0;i<11;i++){
sicaklik += ADC_Read(kanal);
sicaklik=sicaklik/2;
}
if(kanal==0) {temperature = (long)sicaklik*1000;}
else if(kanal==1){ temperature = (long)sicaklik*100;}
temperature=(temperature/1023)*5;
sicaklik = (unsigned int)temperature;
if(kanal==0)isideger=sicaklik;else setdeger=sicaklik;
// sicaklik = 4999;
isi = sicaklik/1000;
if(isi==0) dizi[0]=32;else dizi[0]=48+isi;
isi = sicaklik-(isi*1000);
isi = isi/100;
if(isi==0){ if(dizi[0]==32)dizi[1]=32;else dizi[1]=48;}
else if(isi>0){dizi[1]=48+isi;}
sicaklik = sicaklik%100;
isi = sicaklik/10;
dizi[2]=48+isi;dizi[3]='.';
isi=sicaklik%10;
dizi[4]=48+isi;dizi[5]=0;
}//
//////////////////////
