gpio_set_irq_callback() function

Set the generic callback used for GPIO IRQ events for the current core This function sets the callback used for all GPIO IRQs on the current core that are not explicitly hooked via gpio_add_raw_irq_handler or other gpio_add_raw_irq_handler_ functions. This function is called with the GPIO number and event mask for each of the (not explicitly hooked) GPIOs that have events enabled and that are pending (see gpio_get_irq_event_mask).