Quote Originally Posted by scalerobotics View Post
Hey Darrel, I have a question about the rules. Would it break the rules if inside the interrupt handler you sent one or two bytes out at a time using the uart, as it would fit in the buffer?
Sure, interfacing with the hardware is fine, then the hardware goes off and does the time consumming tasks.

USART, MSSP, Timers, CCP modules, A/D converter etc. ... YES.

SERIN/OUT(2), DEBUGIN/OUT, PULSIN/OUT, RCTIME, PAUSE, FREQOUT etc ... NO