nRF: PWMOut: At deinit, make pin available again

Closes: #2146
2019-09-11 20:09:38 -05:00 · 2019-09-11 20:09:38 -05:00 · 251c0f5507
commit 251c0f5507
parent dbab5380b2
1 changed files with 3 additions and 0 deletions
--- a/ports/nrf/common-hal/pulseio/PWMOut.c
+++ b/ports/nrf/common-hal/pulseio/PWMOut.c
@ -233,6 +233,9 @@ void common_hal_pulseio_pwmout_deinit(pulseio_pwmout_obj_t* self) {
    // Disconnect pin from channel.
    pwm->PSEL.OUT[self->channel] = 0xFFFFFFFF;

+    reset_pin_number(self->pin_number);
+    self->pin_number = NO_PIN;
+
    for(int i=0; i < CHANNELS_PER_PWM; i++) {
        if (self->pwm->PSEL.OUT[i] != 0xFFFFFFFF) {
            // Some channel is still being used, so don't disable.