/*******************************************************
This program was created by the
CodeWizardAVR V3.12 Advanced
Automatic Program Generator
© Copyright 1998-2014 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com

Project : 
Version : 
Date    : 30.01.2017
Author  : 
Company : 
Comments: 


Chip type               : ATmega168
Program type            : Application
AVR Core Clock frequency: 8,000000 MHz
Memory model            : Small
External RAM size       : 0
Data Stack size         : 256
*******************************************************/

#include <mega168.h>
#include <delay.h>
#include <stdio.h>


//символ "нуля" или пробела 
#ifdef MIRROR_NULL_
  #define SYMB_NULL 48
#else
  #define SYMB_NULL 32
#endif

#define DHT_DDR DDRB.6                   //
#define DHT_OUT PORTB.6                  // выводы DHT22
#define DHT_IN  PINB.6                   //            

//********************************************* присваиваем значения выводам**********************************
#define i6 (PORTC.4=0)|(PORTC.1=0)|(PORTC.0=0)|(PORTC.3=0)
#define i7 (PORTC.4=1)|(PORTC.1=0)|(PORTC.0=0)|(PORTC.3=0)//        (на 3м разряде это °С)
#define i8 (PORTC.4=0)|(PORTC.1=1)|(PORTC.0=0)|(PORTC.3=0)
#define i1 (PORTC.4=1)|(PORTC.1=1)|(PORTC.0=0)|(PORTC.3=0)
#define i9 (PORTC.4=0)|(PORTC.1=0)|(PORTC.0=1)|(PORTC.3=0)
#define i3 (PORTC.4=1)|(PORTC.1=0)|(PORTC.0=1)|(PORTC.3=0)
#define i2 (PORTC.4=0)|(PORTC.1=1)|(PORTC.0=1)|(PORTC.3=0)
#define i0 (PORTC.4=1)|(PORTC.1=1)|(PORTC.0=1)|(PORTC.3=0)
#define i5 (PORTC.4=0)|(PORTC.1=0)|(PORTC.0=0)|(PORTC.3=1)//      (на 3м разряде это %)
#define i4 (PORTC.4=1)|(PORTC.1=0)|(PORTC.0=0)|(PORTC.3=1)
#define rz0 (PORTB.4=1)|(PORTC.2=0)|(PORTC.5=0)|(PORTB.5=0) //разряд 0
#define rz2 (PORTB.4=0)|(PORTC.2=1)|(PORTC.5=0)|(PORTB.5=0) //разряд 1
#define rz1 (PORTB.4=0)|(PORTC.2=0)|(PORTC.5=1)|(PORTB.5=0) //разряд 2
#define rz3 (PORTB.4=0)|(PORTC.2=0)|(PORTC.5=0)|(PORTB.5=1) //разряд 3
  #define rzoff (PORTB.4=0)|(PORTC.2=0)|(PORTC.5=0)|(PORTB.5=0) //разряд выкл
#define mon (PORTD.3=1)          //знак минус
#define moff (PORTD.3=0)        //знак минус выкл
#define zoff (PORTB.3=0)        //запятая 2го разряда выкл
#define zon (PORTB.3=1)         //запятая 2го разряда

unsigned char data[5], r2 ,r1, r0, t0=0, t1=1, t2=2, v0=3, v1=0, v2=0, type=0x11, vvv;
unsigned int time=0;
int h,t;
unsigned short ind=0, flag=3;



void vari(unsigned char p1)
{   if (p1==0) {i0;}
if (p1==1) {i1;}
if (p1==2) {i2;}
if (p1==3) {i3;}
if (p1==4) {i4;}
if (p1==5) {i5;}
if (p1==6) {i6;}
if (p1==7) {i7;}
if (p1==8) {i8;}
if (p1==9) {i9;}
} 

void indicating(unsigned char p0)                    // макрос вывода
{if (flag-=0) {flag--; return;} 
if (p0==1) //********************************************************************температура
   {
    if (ind==0) {                               // колба 0
    vari(t1); 
    if (flag==0) {rz1; flag=2; goto m0;}
    }
    if (ind==1) {                               // колба 1
    vari(t0);
    if (flag==0) {rz2; flag=2; zon;goto m0;}
     }
    if (ind==2) {                               // колба 2
    vari(7);
    if (flag==0) {rz3; flag=2;goto m0;}
     }
    if (ind==3) {                               // колба 3
    vari(t2);
    if (flag==0) {rz0; flag=2;goto m0;}
     }
     } 
 
if (p0==3)                                                       //влажность
   {
    if (ind==0) {                               // колба 0
    vari(v1); 
    if (flag==0) {rz1; flag=2;goto m0;}
    }
    if (ind==1) {                               // колба 1
    vari(v0);
    if (flag==0) {rz2; flag=2; zon;goto m0;}
     }
    if (ind==2) {                               // колба 2
    vari(6);
    if (flag==0) {rz3; flag=2;goto m0;}
     }
    if (ind==3) {                               // колба 3
    vari(v2);
    if (flag==0) {rz0; flag=2;}
     }
     }     
   
  
m0:
ind++;
if (ind>3) {ind=0;}
}


// Timer 2 overflow interrupt service routine                  //******************************аппаратное прерывание. Вызов каждые 2 мс!
interrupt [TIM2_OVF] void timer2_ovf_isr(void)
{rzoff;
zoff;
time++;
if (type-=0x44)
    {if (time<2500)
    {zoff;
     if (type==0x11)
        {mon;
        indicating(1);
        }
      else
        {moff;
        indicating(1);
        } } 
   
   if ((time<5000)&(time>2500))
    {moff;
    indicating(3);}
    if (time>5000)
    {time=0;}
    }        
   
else      // Если датчика нет - отображать ошибку   
 {rz3;
 i2;}      //2   
            

}

// Declare your global variables here



void BCD_3(unsigned int value)                                 // Конвертер в десятичную
{
    unsigned char high = 0;
    unsigned char flag = 0;
   
    if (value >= 100) flag = 48;   
    else flag = SYMB_NULL;
    while (value >= 100)                // Count hundreds
    {
        high++;
        value -= 100;
    }
    if (high) high += 48;
    else high = SYMB_NULL;
    r2=high;
    
    high = 0;
    while (value >= 10)                 // Count tens
    {
        high++;
        value -= 10;
    }
    if (high) high += 48;
    else high = flag;
    r1=high;
    
    value += 48;
    r0=value;                  // Add ones
}


char GetHumidity()                                             // Макрос чтения датчика
{
    unsigned char n, k, idx;
    data[0] = data[1] = data[2] = data[3] = data[4] = 0;
    DHT_OUT = 0;
    delay_ms(18);
    DHT_OUT = 1;
    DHT_DDR = 0;
    delay_us(50);
    if(DHT_IN != 0)
    {   type=0x44;
        return 1;
    }
    while(DHT_IN == 0)
    {delay_us(10);
     vvv=ind;   //может зависнуть - добавить код 
    }
    while(DHT_IN != 0)
    {delay_us(10);  //может зависнуть - добавить код
    vvv=ind;}
    for(n = 0; n < 5; n++)
    {
        idx = 0x80;
        for(k = 0; k < 8; k++)
        {
            while(DHT_IN == 0)
            {delay_us(10);   //может зависнуть - добавить код
            vvv=ind;}
            delay_us(33);
            if(DHT_IN != 0) data[n] |= idx;
            idx >>= 1;
            while(DHT_IN != 0)
            {delay_us(10);   //может зависнуть - добавить код
            vvv=ind;}
        }
    }
    type=0x00;
    return 0;
}


void main(void)
{

// Declare your local variables here

// Crystal Oscillator division factor: 1
#pragma optsize-
CLKPR=(1<<CLKPCE);
CLKPR=(0<<CLKPCE) | (0<<CLKPS3) | (0<<CLKPS2) | (0<<CLKPS1) | (0<<CLKPS0);
#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif

// Input/Output Ports initialization
// Port B initialization
// Function: Bit7=Out Bit6=In Bit5=Out Bit4=Out Bit3=Out Bit2=Out Bit1=Out Bit0=Out 
DDRB=(1<<DDB7) | (0<<DDB6) | (1<<DDB5) | (1<<DDB4) | (1<<DDB3) | (1<<DDB2) | (1<<DDB1) | (1<<DDB0);
// State: Bit7=0 Bit6=T Bit5=0 Bit4=0 Bit3=0 Bit2=0 Bit1=0 Bit0=0 
PORTB=(0<<PORTB7) | (0<<PORTB6) | (0<<PORTB5) | (0<<PORTB4) | (0<<PORTB3) | (0<<PORTB2) | (0<<PORTB1) | (0<<PORTB0);

// Port C initialization
// Function: Bit6=Out Bit5=Out Bit4=Out Bit3=Out Bit2=Out Bit1=Out Bit0=Out 
DDRC=(1<<DDC6) | (1<<DDC5) | (1<<DDC4) | (1<<DDC3) | (1<<DDC2) | (1<<DDC1) | (1<<DDC0);
// State: Bit6=0 Bit5=0 Bit4=0 Bit3=0 Bit2=0 Bit1=0 Bit0=0 
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=Out Bit2=In Bit1=In Bit0=In 
DDRD=(0<<DDD7) | (0<<DDD6) | (0<<DDD5) | (0<<DDD4) | (1<<DDD3) | (0<<DDD2) | (0<<DDD1) | (0<<DDD0);
// State: Bit7=T Bit6=T Bit5=T Bit4=T Bit3=0 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
// Mode: Normal top=0xFF
// OC0A output: Disconnected
// OC0B output: Disconnected
TCCR0A=(0<<COM0A1) | (0<<COM0A0) | (0<<COM0B1) | (0<<COM0B0) | (0<<WGM01) | (0<<WGM00);
TCCR0B=(0<<WGM02) | (0<<CS02) | (0<<CS01) | (0<<CS00);
TCNT0=0x00;
OCR0A=0x00;
OCR0B=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: 125,000 kHz
// Mode: Normal top=0xFF
// OC2A output: Disconnected
// OC2B output: Disconnected
// Timer Period: 2,048 ms
ASSR=(0<<EXCLK) | (0<<AS2);
TCCR2A=(0<<COM2A1) | (0<<COM2A0) | (0<<COM2B1) | (0<<COM2B0) | (0<<WGM21) | (0<<WGM20);
TCCR2B=(0<<WGM22) | (1<<CS22) | (0<<CS21) | (0<<CS20);
TCNT2=0x00;
OCR2A=0x00;
OCR2B=0x00;


// Timer/Counter 0 Interrupt(s) initialization
TIMSK0=(0<<OCIE0B) | (0<<OCIE0A) | (0<<TOIE0);

// Timer/Counter 1 Interrupt(s) initialization
TIMSK1=(0<<ICIE1) | (0<<OCIE1B) | (0<<OCIE1A) | (0<<TOIE1);

// Timer/Counter 2 Interrupt(s) initialization
TIMSK2=(0<<OCIE2B) | (0<<OCIE2A) | (1<<TOIE2);

// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// Interrupt on any change on pins PCINT0-7: Off
// Interrupt on any change on pins PCINT8-14: Off
// Interrupt on any change on pins PCINT16-23: Off
EICRA=(0<<ISC11) | (0<<ISC10) | (0<<ISC01) | (0<<ISC00);
EIMSK=(0<<INT1) | (0<<INT0);
PCICR=(0<<PCIE2) | (0<<PCIE1) | (0<<PCIE0);

// USART initialization
// USART disabled
UCSR0B=(0<<RXCIE0) | (0<<TXCIE0) | (0<<UDRIE0) | (0<<RXEN0) | (0<<TXEN0) | (0<<UCSZ02) | (0<<RXB80) | (0<<TXB80);

// 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);
ADCSRB=(0<<ACME);
// Digital input buffer on AIN0: On
// Digital input buffer on AIN1: On
DIDR1=(0<<AIN0D) | (0<<AIN1D);

// ADC initialization
// ADC disabled
ADCSRA=(0<<ADEN) | (0<<ADSC) | (0<<ADATE) | (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
// TWI disabled
TWCR=(0<<TWEA) | (0<<TWSTA) | (0<<TWSTO) | (0<<TWEN) | (0<<TWIE);

// Global enable interrupts

#asm("sei")

 
        
while (1)       
 {       
      DHT_DDR = 1;
        DHT_OUT = 1;
        delay_ms(3000); 
        #asm("cli") //----------------Запрещаем работу всех прерываний  -/
        GetHumidity();
        #asm("sei") //----------------разрешаем работу всех прерываний -/
        h = data[0] * 256 + data[1];
        BCD_3(h);
        
         // влажность   
v2=r2;           
v1=r1;            
v0=r0;
        if (data[2] & 0x80)                               // температура
          {t = (data[2] & 0x7f) * 16 + data[3];           //минус
          BCD_3(t);
        type=0x11;
        }
         else                                             //плюс
          {t = (data[2] & 0x7f) * 256 + data[3];  
          BCD_3(t);
         type=0x88;}
        t2=r2;
        t1=r1;
        t0=r0;

         
  
      }
      }