ESP-IDF Robot ESP NOW

ESP-IDF_Robot/main/blink_example_main.c

@@ -236,6 +236,7 @@ static esp_err_t espnow_init(void) {
     espnow_send_param_t *send_param;
 
     espnow_queue = xQueueCreate(ESPNOW_QUEUE_SIZE, sizeof(espnow_event_t));
+    // Confirm that queue exists, and continue if so.
     if (espnow_queue == NULL) {
         ESP_LOGE(TAG, "Create ESP-NOW mutex failed.");
         return ESP_FAIL;