diff options
| -rw-r--r-- | ports/mimxrt/machine_pin.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ports/mimxrt/machine_pin.c b/ports/mimxrt/machine_pin.c index ad4158c6b..4f623214b 100644 --- a/ports/mimxrt/machine_pin.c +++ b/ports/mimxrt/machine_pin.c @@ -407,6 +407,7 @@ static mp_obj_t machine_pin_irq(size_t n_args, const mp_obj_t *pos_args, mp_map_ if (args[ARG_handler].u_obj == mp_const_none) { // remove the IRQ from the table, leave it to gc to free it. GPIO_PortDisableInterrupts(self->gpio, 1U << self->pin); + GPIO_PortClearInterruptFlags(self->gpio, 1U << self->pin); MP_STATE_PORT(machine_pin_irq_objects[index]) = NULL; return mp_const_none; } @@ -445,6 +446,8 @@ static mp_obj_t machine_pin_irq(size_t n_args, const mp_obj_t *pos_args, mp_map_ GPIO_PinSetInterruptConfig(self->gpio, self->pin, irq->trigger); // Enable the specific Pin interrupt GPIO_PortEnableInterrupts(self->gpio, 1U << self->pin); + // Clear previous IRQs + GPIO_PortClearInterruptFlags(self->gpio, 1U << self->pin); // Enable LEVEL1 interrupt again EnableIRQ(irq_num); } |