From d11f921a2baab1798c0acdcb75a79c21091954ab Mon Sep 17 00:00:00 2001
From: Frank Sautter <github@sautter.com>
Date: Mon, 27 Feb 2023 01:54:18 +0100
Subject: [PATCH] log if transmit is not successful

---
 src/lorawan.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lorawan.cpp b/src/lorawan.cpp
index 1fc67757..024c69e7 100644
--- a/src/lorawan.cpp
+++ b/src/lorawan.cpp
@@ -219,7 +219,11 @@ void lora_send(void *pvParameters) {
       xQueueReceive(LoraSendQueue, &SendBuffer, (TickType_t)0);
       break;
     case LMIC_ERROR_TX_BUSY:   // LMIC already has a tx message pending
+      ESP_LOGI(TAG, "Message not sent, LMIC busy, will retry later");
+      vTaskDelay(pdMS_TO_TICKS(500 + random(400))); // wait a while
+      break;
     case LMIC_ERROR_TX_FAILED: // message was not sent
+      ESP_LOGI(TAG, "Message not sent, TX failed, will retry later");
       vTaskDelay(pdMS_TO_TICKS(500 + random(400))); // wait a while
       break;
     case LMIC_ERROR_TX_TOO_LARGE:    // message size exceeds LMIC buffer size