AVR Freaks

	ADCSRA |= (1 << ADPS2) | (1 << ADPS1) | (1 << ADPS0); // Set ADC prescalar to 128 - 125KHz sample rate @ 16MHz

	ADMUX |= (1 << REFS0); // Set ADC reference to AVCC
	ADMUX |= (1 << ADLAR); // Left adjust ADC result to allow easy 8 bit reading

	// No MUX values needed to be changed to use ADC0
	ADCSRA |= (1 << ADEN);  // Enable ADC
	ADCSRA |= (1 << ADSC);  // Start A2D Conversions
int pin = 0;//PC0 analog pin
int value = 0;
while(1){
	ADMUX =  (ADMUX & 0xF8) | pin;
	_delay_ms(20);
	value = ADCH ;
   while ( !( UCSR0A & (1<<UDRE0)) );
   /* Put data into buffer, sends the data */
   UDR0 = value; //USART setup elsewhere
}

int main() {
	adc_init();
	int value = 0;
	while (1) {
		ADMUX = (ADMUX & 0xF0)|(1 << MUX0); //ADC1 is set
		_delay_ms(20);
		value = ADCH;
		putchar(value);
	}
}
void putchar(int value) {
	while (!(UCSR0A & (1 << UDRE0)));
	/* Put data into buffer, sends the data */
	UDR0 = value; //USART setup elsewhere
}
void adc_init() {
	ADCSRA |= (1 << ADPS2) | (1 << ADPS1) | (1 << ADPS0); // Set ADC prescalar to 128 - 125KHz sample rate @ 16MHz

	ADMUX |= (1 << REFS0);// Set ADC reference to AVCC
	ADMUX |= (1 << ADLAR);// Left adjust ADC result to allow easy 8 bit reading

// No MUX values needed to be changed to use ADC0
	ADCSRA |= (1 << ADEN);// Enable ADC
	ADCSRA |= (1 << ADSC);// Start A2D Conversions
}

	while (1) {
		  char buffer [10];
		  itoa (sensor1.sensorRead(0),buffer,5);
		  for (int i = 0; i < sizeof(buffer) -1; i++){

		serial.put(buffer[i]);
		  }
		  buffer[0] = '\0';
		serial.put('\n');
		led.Toggle();
		_delay_ms(100);

	}

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