diff options
| -rw-r--r-- | ports/nrf/modules/machine/pin.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/ports/nrf/modules/machine/pin.c b/ports/nrf/modules/machine/pin.c index 2191cc952..f46394d76 100644 --- a/ports/nrf/modules/machine/pin.c +++ b/ports/nrf/modules/machine/pin.c @@ -537,19 +537,24 @@ static mp_obj_t pin_irq(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_ar nrfx_gpiote_pin_t pin = self->pin; - nrfx_gpiote_in_config_t config = NRFX_GPIOTE_CONFIG_IN_SENSE_TOGGLE(true); - if (args[ARG_trigger].u_int == NRF_GPIOTE_POLARITY_LOTOHI) { - config.sense = NRF_GPIOTE_POLARITY_LOTOHI; - } else if (args[ARG_trigger].u_int == NRF_GPIOTE_POLARITY_HITOLO) { - config.sense = NRF_GPIOTE_POLARITY_HITOLO; - } - config.pull = NRF_GPIO_PIN_PULLUP; + if (args[ARG_handler].u_obj != mp_const_none) { + nrfx_gpiote_in_config_t config = NRFX_GPIOTE_CONFIG_IN_SENSE_TOGGLE(true); + if (args[ARG_trigger].u_int == NRF_GPIOTE_POLARITY_LOTOHI) { + config.sense = NRF_GPIOTE_POLARITY_LOTOHI; + } else if (args[ARG_trigger].u_int == NRF_GPIOTE_POLARITY_HITOLO) { + config.sense = NRF_GPIOTE_POLARITY_HITOLO; + } + config.pull = NRF_GPIO_PIN_PULLUP; + config.skip_gpio_setup = true; - nrfx_err_t err_code = nrfx_gpiote_in_init(pin, &config, pin_common_irq_handler); - if (err_code == NRFX_ERROR_INVALID_STATE) { - // Re-init if already configured. + nrfx_err_t err_code = nrfx_gpiote_in_init(pin, &config, pin_common_irq_handler); + if (err_code == NRFX_ERROR_INVALID_STATE) { + // Re-init if already configured. + nrfx_gpiote_in_uninit(pin); + nrfx_gpiote_in_init(pin, &config, pin_common_irq_handler); + } + } else { nrfx_gpiote_in_uninit(pin); - nrfx_gpiote_in_init(pin, &config, pin_common_irq_handler); } MP_STATE_PORT(pin_irq_handlers)[pin] = args[ARG_handler].u_obj; |