LEDs_Init();
USB_Init();
- /* Configure the UART flush timer - run at Fcpu/1024 for maximum interval before overflow */
- TCCR0B = ((1 << CS02) | (1 << CS00));
+ /* Start the flush timer so that overflows occur rapidly to push received bytes to the USB interface */
+ TCCR0B = (1 << CS02);
}
/** Event handler for the library USB Connection event. */
}
/** ISR to manage the transmission of bits via the software UART. */
-ISR(TIMER3_COMPA_vect, ISR_NOBLOCK)
+ISR(TIMER3_COMPA_vect, ISR_BLOCK)
{
/* Check if transmission has finished */
if (TX_BitsRemaining)