#include <io.h>
  #include <delay.h>

   
#include <1wire.h>

// DS1820 Temperature Sensor functions
#include <ds18b20.h>
// TWI functions
#include <twi.h>

// DS1307 Real Time Clock functions for TWI
#include <ds1307_twi.h>

// Alphanumeric LCD functions
#include <alcd.h>
#include  <stdio.h>
  #define MAX_DEVICES 8
  #define SEARCH_ROM 0xF0

unsigned char rom_code[MAX_DEVICES][9];
// Declare your global variables here
 unsigned char hour, minu, sec;
  unsigned char string[20], string1[20];
unsigned char week_day,day,month,year,c, m, s, d, me, g;
  unsigned char  i,j,devices;
unsigned char n=1;
unsigned int aa,mm, addr = 1;
 volatile int  timm, temp;
 
 
void main(void)
{
// Declare your local variables here

// Input/Output Ports initialization
// Port B initialization
// Function: Bit7=In Bit6=In Bit5=In Bit4=In Bit3=In Bit2=In Bit1=In Bit0=In
DDRB=(0<<DDB7) | (0<<DDB6) | (0<<DDB5) | (0<<DDB4) | (0<<DDB3) | (0<<DDB2) | (0<<DDB1) | (0<<DDB0);
// State: Bit7=T Bit6=T Bit5=T Bit4=T Bit3=T Bit2=T Bit1=T Bit0=T
PORTB=(0<<PORTB7) | (0<<PORTB6) | (0<<PORTB5) | (0<<PORTB4) | (0<<PORTB3) | (0<<PORTB2) | (0<<PORTB1) | (0<<PORTB0);

// Port C initialization
// Function: Bit6=In Bit5=In Bit4=In Bit3=In Bit2=In Bit1=In Bit0=In
DDRC=(0<<DDC6) | (0<<DDC5) | (0<<DDC4) | (1<<DDC3) | (1<<DDC2) | (1<<DDC1) | (0<<DDC0);
// State: Bit6=T Bit5=T Bit4=T Bit3=T Bit2=T Bit1=T Bit0=T
PORTC=(0<<PORTC6) | (0<<PORTC5) | (0<<PORTC4) | (0<<PORTC3) | (0<<PORTC2) | (0<<PORTC1) | (0<<PORTC0);

// Port D initialization
// Function: Bit7=In Bit6=In Bit5=In Bit4=In Bit3=In Bit2=In Bit1=In Bit0=In
DDRD=(1<<DDD7) | (1<<DDD6) | (1<<DDD5) | (0<<DDD4) | (0<<DDD3) | (0<<DDD2) | (0<<DDD1) | (0<<DDD0);
// State: Bit7=T Bit6=T Bit5=T Bit4=T Bit3=T Bit2=T Bit1=T Bit0=T
PORTD=(0<<PORTD7) | (0<<PORTD6) | (0<<PORTD5) | (0<<PORTD4) | (0<<PORTD3) | (0<<PORTD2) | (0<<PORTD1) | (0<<PORTD0);

// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
TCCR0=(0<<CS02) | (0<<CS01) | (0<<CS00);
TCNT0=0x00;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer1 Stopped
// Mode: Normal top=0xFFFF
// OC1A output: Disconnected
// OC1B output: Disconnected
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=(0<<COM1A1) | (0<<COM1A0) | (0<<COM1B1) | (0<<COM1B0) | (0<<WGM11) | (0<<WGM10);
TCCR1B=(0<<ICNC1) | (0<<ICES1) | (0<<WGM13) | (0<<WGM12) | (0<<CS12) | (0<<CS11) | (0<<CS10);
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;

// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer2 Stopped
// Mode: Normal top=0xFF
// OC2 output: Disconnected
ASSR=0<<AS2;
TCCR2=(0<<PWM2) | (0<<COM21) | (0<<COM20) | (0<<CTC2) | (0<<CS22) | (0<<CS21) | (0<<CS20);
TCNT2=0x00;
OCR2=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=(0<<OCIE2) | (0<<TOIE2) | (0<<TICIE1) | (0<<OCIE1A) | (0<<OCIE1B) | (0<<TOIE1) | (0<<TOIE0);

// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
MCUCR=(0<<ISC11) | (0<<ISC10) | (0<<ISC01) | (0<<ISC00);

// USART initialization
// USART disabled
UCSRB=(0<<RXCIE) | (0<<TXCIE) | (0<<UDRIE) | (0<<RXEN) | (0<<TXEN) | (0<<UCSZ2) | (0<<RXB8) | (0<<TXB8);

// Analog Comparator initialization
// Analog Comparator: Off
// The Analog Comparator's positive input is
// connected to the AIN0 pin
// The Analog Comparator's negative input is
// connected to the AIN1 pin
ACSR=(1<<ACD) | (0<<ACBG) | (0<<ACO) | (0<<ACI) | (0<<ACIE) | (0<<ACIC) | (0<<ACIS1) | (0<<ACIS0);
SFIOR=(0<<ACME);

// ADC initialization
// ADC disabled
ADCSRA=(0<<ADEN) | (0<<ADSC) | (0<<ADFR) | (0<<ADIF) | (0<<ADIE) | (0<<ADPS2) | (0<<ADPS1) | (0<<ADPS0);

// SPI initialization
// SPI disabled
SPCR=(0<<SPIE) | (0<<SPE) | (0<<DORD) | (0<<MSTR) | (0<<CPOL) | (0<<CPHA) | (0<<SPR1) | (0<<SPR0);

// TWI initialization
// Mode: TWI Master
// Bit Rate: 100 kHz
twi_master_init(100);

// 1 Wire Bus initialization
// 1 Wire Data port: PORTC
// 1 Wire Data bit: 0
// Note: 1 Wire port settings are specified in the
// Project|Configure|C Compiler|Libraries|1 Wire menu.
w1_init();

 delay_ms(100);
// Determine the number of DS1820 devices
// connected to the 1 Wire bus

lcd_init(16);


// Globally enable interrupts
#asm("sei")

// DS1307 Real Time Clock initialization for TWI
// Square wave output on pin SQW/OUT: On
// Square wave frequency: 1 Hz

rtc_init(0,1,0);
aa=rtc_read(0); //прочесть нулевой байт
//rtc_write(0,(a&=0b01111111)); //обнулить старший бит(CH) запустить внутренний генератор
 
  rtc_set_time(23, 59, 51);
   rtc_set_date(7,26,3,18);
                //   rtc_write(0,0); //Запуск часов
  devices=w1_search(0xf0,rom_code);   
       sprintf(string1,"Device #%u:",devices);
       
        lcd_puts(string1);
       
           delay_ms(20);
             w1_init();
       
       


          devices=w1_search(0xf0,rom_code);

 
           delay_ms(1900);
while (1)
      {   
     if (PIND.1==0)
   
     {
    lcd_gotoxy(0,0);
    rtc_get_time(&c, &m, &s);
    rtc_get_date(&week_day,&day,&month,&year);

//тут вариант исправления
    if (week_day == 0) {week_day=1; rtc_set_date(week_day,day,month,year);}
     
      // Отформатировали
       
      sprintf(string, "%02i:%02i:%02i=%02i  ", c, m,s, week_day );
     
      // Вывели время
     
      lcd_puts(string); 
       
    lcd_gotoxy(0,1); 
   
         sprintf(string1,"%+.2f\xdf" "C",ds18b20_temperature(&rom_code[0][0])); 

 lcd_puts(string1);
 
   delay_ms(1900);
   
   
   
     timm=c*100+m;
   
     
     }
 ///////////////////////////////////////////////

// тут ниже всякие недоделки


  if (PIND==6){   
lcd_clear();
        rtc_get_time(&hour, &minu, &sec);
         //mm=&minu;   
                 hour++;   
                 if (hour>23){hour=0;}
         rtc_set_time(hour, minu, sec);
         rtc_get_time(&hour, &minu, &sec);   
             lcd_gotoxy(0,0);
  sprintf(string, "%02i:%02i=%02i  ",hour, minu, week_day );
 lcd_puts(string);
     
     
       
       
         delay_ms(200);
   //       #asm("sei")
        }   
          if (PIND==10){
  lcd_clear();
        rtc_get_time(&hour, &minu, &sec);
         //mm=&minu;   
                 minu++;   
                 if (minu>59){minu=0;}
rtc_set_time(hour, minu, sec);
         rtc_get_time(&hour, &minu, &sec);
                     lcd_gotoxy(0,0);
             lcd_gotoxy(0,0);
  sprintf(string, "%02i:%02i=%02i  ", hour, minu, week_day );
 lcd_puts(string);
          delay_ms(200);
       //   #asm("sei")
                                   }
 
 //////////////////////////////////////////
 
          if (PIND==18){
  lcd_clear();
        rtc_get_time(&hour, &minu, &sec);
         //mm=&minu;   
                 minu++;   
                 if (minu>59){minu=0;}
rtc_set_time(hour, minu, sec);
         rtc_get_time(&hour, &minu, &sec);
                     lcd_gotoxy(0,0);
             lcd_gotoxy(0,0);
  sprintf(string, "%02i:%02i=%02i  ", hour, minu, week_day );
 lcd_puts(string);
          delay_ms(200);
       //   #asm("sei")
                                   }
      }
}

            if (week_day == 0) {
                week_day = 1;
                rtc_set_date(week_day, day, month, year);
            }

int8_t rtcWeekDay()
{
    uint8_t a, y, m;
    int8_t ret;

    a = (rtc.month > 2 ? 0 : 1);
    y = 12 + rtc.year - a;
    m = rtc.month + 12 * a - 2;

    ret = (rtc.date + y + (y / 4) + ((31 * m) / 12)) % 7;
    if (ret == 0)
        ret = 7;

    return ret;
}