diff options
| -rw-r--r-- | ports/nrf/common-hal/displayio/ParallelBus.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/ports/nrf/common-hal/displayio/ParallelBus.c b/ports/nrf/common-hal/displayio/ParallelBus.c index efb8c15b9..a8c2b9f73 100644 --- a/ports/nrf/common-hal/displayio/ParallelBus.c +++ b/ports/nrf/common-hal/displayio/ParallelBus.c @@ -90,6 +90,7 @@ void common_hal_displayio_parallelbus_construct(displayio_parallelbus_obj_t* sel } self->write_mask = 1 << (write->number % num_pins_in_write_port); + self->reset.base.type = &mp_type_NoneType; if (reset != NULL) { self->reset.base.type = &digitalio_digitalinout_type; common_hal_digitalio_digitalinout_construct(&self->reset, reset); @@ -119,12 +120,16 @@ void common_hal_displayio_parallelbus_deinit(displayio_parallelbus_obj_t* self) reset_pin_number(self->reset.pin->number); } -void common_hal_displayio_parallelbus_reset(mp_obj_t obj) { +bool common_hal_displayio_parallelbus_reset(mp_obj_t obj) { displayio_parallelbus_obj_t* self = MP_OBJ_TO_PTR(obj); + if (self->reset.base.type == &mp_type_NoneType) { + return false; + } common_hal_digitalio_digitalinout_set_value(&self->reset, false); common_hal_mcu_delay_us(4); common_hal_digitalio_digitalinout_set_value(&self->reset, true); + return true; } bool common_hal_displayio_parallelbus_bus_free(mp_obj_t obj) { |