OTA: add setOTAChunkMode()

Author: pennam

src/ArduinoIoTCloudTCP.cpp

@@ -168,9 +168,6 @@ int ArduinoIoTCloudTCP::begin(bool const enable_watchdog, String brokerAddress,
 
 #if OTA_ENABLED && !defined(OFFLOADED_DOWNLOAD)
   _ota.setClient(&_otaClient);
-  if (_connection->getInterface() == NetworkAdapter::ETHERNET) {
-    _ota.setFetchMode(OTADefaultCloudProcessInterface::OtaFetchChunk);
-  }
 #endif // OTA_ENABLED && !defined(OFFLOADED_DOWNLOAD)
 
 #if OTA_ENABLED && defined(OTA_BASIC_AUTH)

src/ArduinoIoTCloudTCP.h

@@ -101,6 +101,15 @@ class ArduinoIoTCloudTCP: public ArduinoIoTCloudClass
         _ota.setOtaPolicies(OTACloudProcessInterface::None);
       }
     }
+
+    /* Slower but more reliable in some corner cases */
+    void setOTAChunkMode(bool enable = true) {
+      if(enable) {
+        _ota.setFetchMode(OTADefaultCloudProcessInterface::OtaFetchChunk);
+      } else {
+        _ota.setFetchMode(OTADefaultCloudProcessInterface::OtaFetchTime);
+      }
+    }
 #endif
 
   private: