/**
* \brief Set an interrupt handler for the specified pin.
* The provided handler will be called with the triggering pin as its parameter
* as soon as an interrupt is detected.
*
* \param ul_pin Pin index to configure.
* \param ul_flag Pin flag.
* \param p_handler Interrupt handler function pointer.
*
* \return 0 if successful, 1 if the maximum number of sources has been defined.
*/
uint32_t pio_handler_set_pin(uint32_t ul_pin, uint32_t ul_flag,
void (*p_handler) (uint32_t, uint32_t))
{
Pio *p_pio = pio_get_pin_group(ul_pin);
uint32_t group_id = pio_get_pin_group_id(ul_pin);
uint32_t group_mask = pio_get_pin_group_mask(ul_pin);
return pio_handler_set(p_pio, group_id, group_mask, ul_flag, p_handler);
}
void Gpio::enableInterrupt(IGpio_Callback_t callback, void *user) {
int groupIndex = groupId2groupIndex(pio_get_pin_group_id(_pin));
if (groupIndex < 0) {
return;
}
_callback[groupIndex][_pin] = callback;
_user[groupIndex][_pin] = user;
// Todo:
// pio_handler_set_pin(_pin, (PIO_PULLUP | PIO_DEBOUNCE | PIO_IT_RISE_EDGE), staticISR);
pio_handler_set_pin(_pin, PIO_IT_FALL_EDGE, staticISR);
pio_enable_pin_interrupt(_pin);
}
