10000 Fix handling of zero-length pulseout pulse by DavePutz · Pull Request #6798 · adafruit/circuitpython · GitHub
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8000 Fix handling of zero-length pulseout pulse #6798

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Merged
merged 2 commits into from
Aug 25, 2022
Merged

Fix handling of zero-length pulseout pulse #6798

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3daebb3
Fix handling of zero-length pulseout pulse
DavePutz Aug 23, 2022
c00a630
Update PulseOut.c
DavePutz Aug 23, 2022
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5 changes: 5 additions & 0 deletions ports/nrf/common-hal/pulseio/PulseOut.c
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,11 @@ static void pulseout_event_handler(nrf_timer_event_t event_type, void *p_context
nrfx_timer_pause(timer);

pulse_array_index++;
// Ignore a zero-length pulse
while (pulse_array_index < pulse_array_length &&
pulse_array[pulse_array_index] == 0) {
pulse_array_index++;
}

// No more pulses. Turn off output and don't restart.
if (pulse_array_index >= pulse_array_length) {
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