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Servo bug that would sometimes cause skipping.

http://code.google.com/p/arduino/issues/detail?id=908
This commit is contained in:
David A. Mellis 2012-05-08 20:38:38 -04:00
parent c540ac19b3
commit 71e9ff63f8

View File

@ -89,7 +89,7 @@ static inline void handle_interrupts(timer16_Sequence_t timer, volatile uint16_t
}
else {
// finished all channels so wait for the refresh period to expire before starting over
if( (unsigned)*TCNTn < (usToTicks(REFRESH_INTERVAL) + 4) ) // allow a few ticks to ensure the next OCR1A not missed
if( ((unsigned)*TCNTn) + 4 < usToTicks(REFRESH_INTERVAL) ) // allow a few ticks to ensure the next OCR1A not missed
*OCRnA = (unsigned int)usToTicks(REFRESH_INTERVAL);
else
*OCRnA = *TCNTn + 4; // at least REFRESH_INTERVAL has elapsed