#include <stdio.h>

#include <delay.h>

#include <spi.h>

#define ADC_VREF_TYPE 0x00

// Read the AD conversion result
unsigned int read_adc(unsigned char adc_input)
{
ADMUX=adc_input | (ADC_VREF_TYPE & 0xff);
// Delay needed for the stabilization of the ADC input voltage
delay_us(10);
// Start the AD conversion
ADCSRA|=0x40;
// Wait for the AD conversion to complete
while ((ADCSRA & 0x10)==0);
ADCSRA|=0x10;
return ADCW;
}

//bit SPIF;

float TOK(char x)
{
float temp;
temp=read_adc(x);
temp=(2.6-temp/250)/0.4;
return(temp);
}
float NAPR(char x)
{
float temp;
temp=(read_adc(x)*6)/250;
return(temp);
}

//void SPI_MasterTransmit(char cData)
//{
// SPDR=cData;
// while(!(SPSR&(1<<SPIF)))
// ;
//}

void wait(void)
{
TCNT1=0;
while(TCNT1<7240){};
}

// Declare your global variables here

char pwm,i,Time,unTime,tempSPI=0x80;
float U1,I1,P;

void main(void)
{
// Declare your local variables here

// Input/Output Ports initialization
// Port B initialization
// Func7=In Func6=In Func5=In Func4=In Func3=Out Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=0 State2=T State1=T State0=T
PORTB=0x00;
DDRB=0x2C;

// Port C initialization
// Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTC=0x00;
DDRC=0x00;

// Port D initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTD=0x00;
DDRD=0x02;

// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
TCCR0=0x00;
TCNT0=0x00;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: 7,200 kHz
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x05;
TCNT1H=0x00;
TCNT1L=0x00;
TCNT1=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;


// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: 7,200 kHz
// Mode: Fast PWM top=FFh
// OC2 output: Non-Inverted PWM
ASSR=0x00;
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;

// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
MCUCR=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;

// USART initialization
// Communication Parameters: 8 Data, 1 Stop, No Parity
// USART Receiver: Off
// USART Transmitter: On
// USART Mode: Asynchronous
// USART Baud Rate: 19200
UCSRA=0x00;
UCSRB=0x08;
UCSRC=0x86;
UBRRH=0x00;
UBRRL=0x17;

// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;

// ADC initialization
// ADC Clock frequency: 115,200 kHz
// ADC Voltage Reference: AREF pin
ADMUX=ADC_VREF_TYPE & 0xff;
ADCSRA=0x86;

// SPI initialization
// SPI Type: Master
// SPI Clock Rate: 115,200 kHz
// SPI Clock Phase: Cycle Half
// SPI Clock Polarity: Low
// SPI Data Order: MSB First
SPCR=0x52;
SPSR=0x00;

while (1)
{
// Place your code here
I1=TOK(1);
U1=NAPR(2);
for(i=1;i<=10;i++)
{
if (I1<TOK(1))
{
I1=TOK(1);
}
if (U1<NAPR(2))
{
U1=NAPR(2);
}
}
P=U1*I1;
pwm=P*3.6;
// SPI_MasterTransmit(U1);
SPDR++;
while(!(SPSR & tempSPI));
if (unTime>=2)
{
printf("%5d %10f %10f %10f\n\r",Time,I1,U1,P);\
unTime=0;
}
Time++;
unTime++;
I1=0;
U1=0;
wait();
};
}