interrupt.c

#include "interrupt.h"

#include "api/common.h"
#include "epicardium.h"

#include "py/builtin.h"
#include "py/obj.h"
#include "py/runtime.h"

void interrupt_init0(void)
{
	int id;
	for (id = 0; id < EPIC_INT_NUM; id++) {
		MP_STATE_PORT(interrupt_callbacks)[id] = NULL;
	}
}

void epic_isr_default_handler(api_int_id_t id)
{
	// TODO: check if id is out of rante
	// TOOD: check against mp_const_none
	mp_obj_t callback = MP_STATE_PORT(interrupt_callbacks)[id];
	if (id < EPIC_INT_NUM) {
		if (callback) {
			mp_sched_schedule(callback, MP_OBJ_NEW_SMALL_INT(id));
		}
	}
}

mp_obj_t mp_interrupt_set_callback(mp_obj_t id_in, mp_obj_t callback_obj)
{
	api_int_id_t id = mp_obj_get_int(id_in);
	if (callback_obj != mp_const_none &&
	    !mp_obj_is_callable(callback_obj)) {
		mp_raise_ValueError("handler must be None or callable");
	}

	// TODO: throw error if id is out of range
	if (id < EPIC_INT_NUM) {
		MP_STATE_PORT(interrupt_callbacks)[id] = callback_obj;
	}

	return mp_const_none;
}

mp_obj_t mp_interrupt_enable_callback(mp_obj_t id_in)
{
	api_int_id_t id = mp_obj_get_int(id_in);

	// TODO: throw error if id is out of range or epic_interrupt_enable failed
	if (epic_interrupt_enable(id) < 0) {
	}

	return mp_const_none;
}

mp_obj_t mp_interrupt_disable_callback(mp_obj_t id_in)
{
	api_int_id_t id = mp_obj_get_int(id_in);

	// TODO: throw error if id is out of range or epic_interrupt_enable failed
	if (epic_interrupt_disable(id) < 0) {
	}

	return mp_const_none;
}

static MP_DEFINE_CONST_FUN_OBJ_2(
	interrupt_set_callback_obj, mp_interrupt_set_callback
);