/*
 * i2c_test_attiny85.c
 *
 * Created: 12/11/2021 15:26:38
 * Author : 40008304
 */

#if __GNUC__
#include <avr/io.h>
#include <avr/interrupt.h>
#else
#include <inavr.h>
#include <ioavr.h>
#endif

#include "led_gen.h"
#include "led_receptor.h"
#include "usiTwiSlave.h"

#define NOM_CONSTRUC	0x08
#define NOM_CAPTEUR		0x10
#define VALEUR_DEMAN	0x49
#define BASIC_MODE		0x42

volatile unsigned char rawVal;
volatile unsigned char adcled1;
volatile unsigned char adcled2;
volatile unsigned char recVal;

ISR (ADC_vect){
	adcled1=measureLed1();
	adcled2=measureLed2();
	//recVal=compareLed(adcled1,adcled2);
	ADCSRA |= (1<<ADSC);
}

ISR (TIMER0_OVF_vect)      //Interrupt vector for Timer0
{
	if (intr_count==5) //waiting for 63 because to get 1 sec delay
	{
		timer_flag=1-timer_flag;
		intr_count=0; //making intr_count=0 to repeat the count
	}
	else  intr_count++; //incrementing c upto 63
}

int main( void )
{
    unsigned char cmd,i=0;
    unsigned char nom_capteur[8]= {'T','u','r','k','i','s','h','Z'};
    unsigned char sensor_type[8]= {'C','a','t','c','h','E','y','e'};
	uint8_t slaveAdress;//data = 0x45;
    slaveAdress = 0x01;
	MCUCR |= (1<<PUD);
	
	usiTwiSlaveInit(slaveAdress);
	
	sei();
	ADC_init();
	ADC_start_conversion();
	timer0_init();
	
    while(1)
    {
        if( usiTwiDataInTransmitBuffer() )
        {
            cmd = usiTwiReceiveByte();
            switch(cmd)
            {
            case NOM_CONSTRUC :
                for (i=0; i<8; i++)
                {
                    usiTwiTransmitByte(nom_capteur[i]);
                }
                break;

            case NOM_CAPTEUR :
                for (i=0; i<8; i++)
                {
                    usiTwiTransmitByte(sensor_type[i]);
                }
                break;

            case VALEUR_DEMAN :
                usiTwiTransmitByte(adcled1/*recVal*/);
                break;

            case BASIC_MODE :
                usiTwiTransmitByte(adcled1);
                break;
            }
        }
    }
    return 0;
}