ADC code in with atmega32
- by Komal
uint read_adc(uchar adc_input)
{
ADMUX=adc_input | (0x00 & 0xff);
delay_us(10);
ADCSRA|=0x40;     //START THE CONVERSION
while ((ADCSRA & 0x10)==0);     // wait for the conversion to complete
ADCSRA|=0x10;   //clear the ADC flag
return ADCW;
}
Q: Whats the meaning of "ADMUX=adc_input | (0x00 & 0xff)" ? which input channel we have selected here ?