Pebble HR handler

pebble_handler_health_hr.c

// -- init and handle health data ------------------------------------------

static void handler_health_hr(HealthEventType type, void *context) {
  // if the update was from the Heart Rate Monitor, query it
  if (type == HealthEventHeartRateUpdate) {
    field_hr_value = health_service_peek_current_value(HealthMetricHeartRateBPM);
    //field_hr_value = (uint32_t) 0x0000008F; // debug HR
  }
  
  if (state_is == STATE_RUN || state_is == STATE_PAUSE) {
    if (mode_is == MODE_HR) {
      snprintf(hr_placeholder, sizeof(hr_placeholder), "%lu", (uint32_t)field_hr_value);
      text_layer_set_text(layer_big_field, hr_placeholder );
    }
  }
  
}

static void init_health_hr(void) {
  
  bool success = health_service_set_heart_rate_sample_period(2);

  // Subscribe to health event handler
  health_service_events_subscribe(handler_health_hr, NULL);
  
}