Merge pull request #16 from jonathandreyer/improve-encrypted-key

Add possibility to use custom encrypted key

Author: TrystanLea

firmware/emonth2.ino

@@ -31,10 +31,11 @@
   -------------------------------------------------------------------------------------------------------------
   */
 
-const char *firmware_version = {"4.1.1\n\r"};
+const char *firmware_version = {"4.1.2\n\r"};
 /*
 
   Change log:
+  V4.1.2   - (27/02/23) Add option to used custom encrpytion key
   V4.1.1   - (19/02/23) Fix missing frequency initialization
   V4.1.0   - (17/02/23) LowPowerLabs radio format option
   V4.0.0   - (10/07/21) Replace JeeLib with OEM RFM69nTxLib using RFM69 "Native" packet format, add emonEProm library support
@@ -244,7 +245,11 @@ void setup()
     Serial.println("Init RFM...");
     #if RadioFormat == RFM69_LOW_POWER_LABS
       radio.initialize(EEProm.RF_freq,EEProm.nodeID,EEProm.networkGroup);  
+      #ifndef RFM69_LPL_AES_ENCRYPTION_KEY
       radio.encrypt("89txbe4p8aik5kt3");                                                      // initialize RFM
+      #else
+      radio.encrypt(RFM69_LPL_AES_ENCRYPTION_KEY);                                            // initialize RFM
+      #endif
       radio.setPowerLevel(EEProm.rfPower);
     #else
       rfm_init();                                                        // initialize RFM

firmware/platformio.ini

@@ -17,4 +17,5 @@ lib_deps =
   OneWire
   DallasTemperature
   SI7021
+#build_flags = '-DRFM69_LPL_AES_ENCRYPTION_KEY="my-encrypted-key"'