int_handler_isr.c

volatile uint64_t i = 0;

struct pin_state {
  int64_t uptime;
  bool state;
};

static void cb2(void *arg) {
  const struct pin_state *state = (const struct pin_state *) (arg);
  LOG(LL_INFO, ("uptime: %lld, state: %d", state->uptime, state->state));
}

static IRAM void cb(int pin, void *arg) {
  struct pin_state *state = (struct pin_state *) (arg);
  state->uptime = mgos_uptime_micros();
  state->state = mgos_gpio_read(pin);

  if (i++ % 5 == 0) {
    mgos_invoke_cb(cb2, state, true);
  }
}

static void system_restart_cb(int ev, void *ev_data, void *userdata) {
  const int pin = (const int) (userdata);
  LOG(LL_INFO, ("%s - mgos_gpio_disable_int(%d)", __FUNCTION__, pin));
  mgos_gpio_disable_int(pin);

  (void) ev;
  (void) ev_data;
}

enum mgos_app_init_result mgos_app_init(void) {
  const int pin = 2;
  mgos_event_add_handler(MGOS_EVENT_REBOOT, system_restart_cb, (void *) pin);

  struct pin_state *state = (struct pin_state *) calloc(1, sizeof(*state));
  mgos_gpio_set_int_handler_isr(pin, MGOS_GPIO_INT_EDGE_ANY, cb, state);
  mgos_gpio_enable_int(pin);

  const int restart_after = 500;
  mgos_system_restart_after(restart_after);

  // report to mdash
  mgos_set_timer(10000, MGOS_TIMER_REPEAT, report_timer_cb, NULL);

  return MGOS_APP_INIT_SUCCESS;
}