/* Check if the sample reload timer period has elapsed, and that the USB bus is ready for a new sample */
if ((TIFR0 & (1 << OCF0A)) && Audio_Device_IsReadyForNextSample(&Microphone_Audio_Interface))
{
+ /* Clear the sample reload timer compare flag, ready for the next interval */
TIFR0 |= (1 << OCF0A);
/* Audio sample is ADC value scaled to fit the entire range */