Fix crash if radio settings where changed while the radio was not initialized

lib/Hoymiles/src/Hoymiles.cpp

@@ -40,13 +40,8 @@ void HoymilesClass::initCMT(int8_t pin_sdio, int8_t pin_clk, int8_t pin_cs, int8
 void HoymilesClass::loop()
 {
     HOY_SEMAPHORE_TAKE();
-    if (_radioNrf->isInitialized()) {
     _radioNrf->loop();
-    }
-
-    if (_radioCmt->isInitialized()) {
     _radioCmt->loop();
-    }
 
     if (getNumInverters() > 0) {
         if (millis() - _lastPoll > (_pollInterval * 1000)) {

lib/Hoymiles/src/HoymilesRadio_CMT.cpp

@@ -357,6 +357,9 @@ void HoymilesRadio_CMT::init(int8_t pin_sdio, int8_t pin_clk, int8_t pin_cs, int
 
 void HoymilesRadio_CMT::loop()
 {
+    if (!_isInitialized) {
+        return;
+    }
     enumCMTresult mCMTstate = cmtProcess();
 
     if (mCMTstate != CMT_RX_DONE) { // Perform package parsing only if no packages are received
@@ -450,6 +453,9 @@ void HoymilesRadio_CMT::loop()
 
 bool HoymilesRadio_CMT::isConnected()
 {
+    if (!_isInitialized) {
+        return false;
+    }
     return _ChipConnected;
 }
 

lib/Hoymiles/src/HoymilesRadio_NRF.cpp

@@ -38,6 +38,10 @@ void HoymilesRadio_NRF::init(SPIClass* initialisedSpiBus, uint8_t pinCE, uint8_t
 
 void HoymilesRadio_NRF::loop()
 {
+    if (!_isInitialized) {
+        return;
+    }
+
     EVERY_N_MILLIS(4)
     {
         switchRxCh();
@@ -151,22 +155,35 @@ void HoymilesRadio_NRF::loop()
 
 void HoymilesRadio_NRF::setPALevel(rf24_pa_dbm_e paLevel)
 {
+    if (!_isInitialized) {
+        return;
+    }
     _radio->setPALevel(paLevel);
 }
 
 void HoymilesRadio_NRF::setDtuSerial(uint64_t serial)
 {
     HoymilesRadio::setDtuSerial(serial);
+
+    if (!_isInitialized) {
+        return;
+    }
     openReadingPipe();
 }
 
 bool HoymilesRadio_NRF::isConnected()
 {
+    if (!_isInitialized) {
+        return false;
+    }
     return _radio->isChipConnected();
 }
 
 bool HoymilesRadio_NRF::isPVariant()
 {
+    if (!_isInitialized) {
+        return false;
+    }
     return _radio->isPVariant();
 }
 
@@ -210,8 +227,6 @@ void HoymilesRadio_NRF::switchRxCh()
     _radio->startListening();
 }
 
-
-
 void HoymilesRadio_NRF::sendEsbPacket(CommandAbstract* cmd)
 {
     cmd->incrementSendCount();