Fix handling of zero-length pulseout pulse

2022-08-23 15:17:54 -05:00 · 2022-08-23 15:17:54 -05:00 · 3daebb36c3
parent 0b2528bc1b
commit 3daebb36c3
1 changed files with 5 additions and 0 deletions
--- a/ports/nrf/common-hal/pulseio/PulseOut.c
+++ b/ports/nrf/common-hal/pulseio/PulseOut.c
@ -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[pulse_array_index] == 0 &&
+           pulse_array_index < pulse_array_length) {
+        pulse_array_index++;
+    }

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