diff --git a/include/payload.h b/include/payload.h
index e8376bf6..43bbb1d8 100644
--- a/include/payload.h
+++ b/include/payload.h
@@ -39,7 +39,6 @@
 #endif
 
 class PayloadConvert {
-
 public:
   PayloadConvert(uint8_t size);
   ~PayloadConvert();
@@ -59,6 +58,7 @@ public:
   void addSensor(uint8_t[]);
   void addTime(time_t value);
   void addSDS(sdsStatus_t value);
+
 private:
   void addChars( char* string, int len);
 
diff --git a/lib/BintrayClient/src/BintrayClient.h b/lib/BintrayClient/src/BintrayClient.h
index d0b7e67d..ec478893 100644
--- a/lib/BintrayClient/src/BintrayClient.h
+++ b/lib/BintrayClient/src/BintrayClient.h
@@ -23,7 +23,6 @@
 #include <WString.h>
 
 class BintrayClient {
-
 public:
     BintrayClient(const String& user, const String& repository, const String& package);
     String getUser() const;
diff --git a/src/bmesensor.cpp b/src/bmesensor.cpp
index edda04f8..f790051b 100644
--- a/src/bmesensor.cpp
+++ b/src/bmesensor.cpp
@@ -48,7 +48,6 @@ void setBMEIRQ() { xTaskNotify(irqHandlerTask, BME_IRQ, eSetBits); }
 // initialize MEMS sensor
 // return = 0 -> error / return = 1 -> success
 int bme_init(void) {
-
   int rc = 0;
 
 #ifdef HAS_BME680
@@ -77,7 +76,6 @@ int bme_init(void) {
   if (rc)
     bmecycler.attach(BMECYCLE, setBMEIRQ); // start cyclic data transmit
   return rc;
-
 } // bme_init()
 
 #ifdef HAS_BME680
@@ -108,7 +106,6 @@ int checkIaqSensorStatus(void) {
 
 // store current BME sensor data in struct
 void bme_storedata(bmeStatus_t *bme_store) {
-
   if (cfg.payloadmask & MEMS_DATA)
 
 #ifdef HAS_BME680
@@ -138,7 +135,6 @@ void bme_storedata(bmeStatus_t *bme_store) {
   // bme.readAltitude(SEALEVELPRESSURE_HPA);
   bme_store->iaq = 0; // IAQ feature not present with BME280
 #endif
-
 } // bme_storedata()
 
 #ifdef HAS_BME680
diff --git a/src/boot.cpp b/src/boot.cpp
index 28202243..6d271132 100644
--- a/src/boot.cpp
+++ b/src/boot.cpp
@@ -75,7 +75,6 @@ void IRAM_ATTR watchdog() { xTaskResumeFromISR(RestartHandle); }
 // used for manually uploading a firmware file via wifi
 
 void start_boot_menu(void) {
-
   const char *host = clientId;
   const char *ssid = WIFI_SSID;
   const char *password = WIFI_PASS;
@@ -150,9 +149,7 @@ void start_boot_menu(void) {
 
         // did we get a file name?
         if (upload.filename != NULL) {
-
           switch (upload.status) {
-
           case UPLOAD_FILE_START:
             // start file transfer
             ESP_LOGI(TAG, "Uploading %s", upload.filename.c_str());
@@ -177,7 +174,6 @@ void start_boot_menu(void) {
           case UPLOAD_FILE_ABORTED:
           default:
             break;
-
           } // switch
 
           // don't boot to production if update failed
diff --git a/src/configmanager.cpp b/src/configmanager.cpp
index 6112444d..77557281 100644
--- a/src/configmanager.cpp
+++ b/src/configmanager.cpp
@@ -26,7 +26,6 @@ static uint8_t buffer[cfgLen + cfgLen2];
 // 3. magicByte [cfgLen2 bytes, containing a fixed identifier]
 
 static void defaultConfig(configData_t *myconfig) {
-
   strncpy(myconfig->version, PROGVERSION,
           sizeof(myconfig->version) - 1); // Firmware version
 
@@ -92,7 +91,6 @@ void saveConfig(bool erase) {
 
 // load configuration from NVRAM into RAM and make it current
 void loadConfig(void) {
-
   int readBytes = 0;
 
   ESP_LOGI(TAG, "Loading device configuration from NVRAM...");
@@ -144,7 +142,6 @@ bool comp(char s1, char s2) { return (tolower(s1) < tolower(s2)); }
 // helper function to lexicographically compare two versions. Returns 1 if v2
 // is smaller, -1 if v1 is smaller, 0 if equal
 int version_compare(const String v1, const String v2) {
-
   if (v1 == v2)
     return 0;
 
diff --git a/src/cyclic.cpp b/src/cyclic.cpp
index f5d905c0..ef2f2d5c 100644
--- a/src/cyclic.cpp
+++ b/src/cyclic.cpp
@@ -13,7 +13,6 @@ void setCyclicIRQ() { xTaskNotify(irqHandlerTask, CYCLIC_IRQ, eSetBits); }
 
 // do all housekeeping
 void doHousekeeping() {
-
   // check if update or maintenance mode trigger switch was set by rcommand
   if ((RTC_runmode == RUNMODE_UPDATE) || (RTC_runmode == RUNMODE_MAINTENANCE))
     do_reset(true); // warmstart
@@ -125,7 +124,6 @@ void doHousekeeping() {
 #if (HAS_SDCARD)
   sdcard_flush();
 #endif
-
 } // doHousekeeping()
 
 uint32_t getFreeRAM() {
diff --git a/src/dcf77.cpp b/src/dcf77.cpp
index 8b30dcf4..794ff5a6 100644
--- a/src/dcf77.cpp
+++ b/src/dcf77.cpp
@@ -18,41 +18,33 @@ static const char TAG[] = __FILE__;
 
 // triggered by second timepulse to ticker out DCF signal
 void DCF77_Pulse(uint8_t bit) {
-
   TickType_t startTime;
 
   // induce a DCF Pulse
   for (uint8_t pulseLength = 0; pulseLength <= 2; pulseLength++) {
-
     startTime = xTaskGetTickCount(); // reference time pulse start
 
     switch (pulseLength) {
-
     case 0: // 0ms = start of pulse
       digitalWrite(HAS_DCF77, dcf_low);
       break;
-
     case 1: // 100ms = logic 0
       if (bit == 0)
         digitalWrite(HAS_DCF77, dcf_high);
       break;
-
     case 2: // 200ms = logic 1
       digitalWrite(HAS_DCF77, dcf_high);
       break;
-
     } // switch
 
     // delay to genrate pulseLength
     vTaskDelayUntil(&startTime, pdMS_TO_TICKS(100));
-
   } // for
 } // DCF77_Pulse()
 
 // helper function to convert decimal to bcd digit
 uint64_t dec2bcd(uint8_t const dec, uint8_t const startpos,
                  uint8_t const endpos, uint8_t *parity) {
-
   uint8_t data = dec < 10 ? dec : ((dec / 10) << 4) + dec % 10;
   uint64_t bcd = 0;
 
@@ -68,7 +60,6 @@ uint64_t dec2bcd(uint8_t const dec, uint8_t const startpos,
 
 // generates a 1 minute dcf pulse frame for calendar time t
 uint64_t DCF77_Frame(const struct tm t) {
-
   uint8_t parity = 0, parity_sum = 0;
   uint64_t frame = 0; // start with all bits 0
 
@@ -105,7 +96,6 @@ uint64_t DCF77_Frame(const struct tm t) {
   frame += parity_sum ? set_dcfbit(58) : 0;
 
   return frame;
-
 } // DCF77_Frame()
 
 #endif // HAS_DCF77
\ No newline at end of file
diff --git a/src/i2c.cpp b/src/i2c.cpp
index 1d7a3dd7..02c307f0 100644
--- a/src/i2c.cpp
+++ b/src/i2c.cpp
@@ -15,7 +15,6 @@ void i2c_init(void) {
 void i2c_deinit(void) { Wire.end(); }
 
 void i2c_scan(void) {
-
   // parts of the code in this function were taken from:
   //
   // Copyright (c) 2019 BitBank Software, Inc.
@@ -78,7 +77,6 @@ void i2c_scan(void) {
 
 // functions for i2c r/w access, mutexing is done by Wire.cpp
 int i2c_readBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint8_t len) {
-
   uint8_t ret = 0;
   Wire.beginTransmission(addr);
   Wire.write(reg);
@@ -100,7 +98,6 @@ finish:
 }
 
 int i2c_writeBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint8_t len) {
-
   uint8_t ret = 0;
   Wire.beginTransmission(addr);
   Wire.write(reg);
@@ -110,4 +107,4 @@ int i2c_writeBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint8_t len) {
   ret = Wire.endTransmission();
 
   return ret ? ret : 0xFF;
-}
+}
\ No newline at end of file
diff --git a/src/if482.cpp b/src/if482.cpp
index 81add69a..14592470 100644
--- a/src/if482.cpp
+++ b/src/if482.cpp
@@ -85,7 +85,6 @@ not evaluated by model BU-190, use "F" instead for this model
 static const char TAG[] = __FILE__;
 
 String IF482_Frame(time_t t) {
-
   char mon, out[IF482_FRAME_SIZE + 1], buf[IF482_FRAME_SIZE - 3];
 
   if (sntp_get_sync_status() == SNTP_SYNC_STATUS_IN_PROGRESS)
diff --git a/src/irqhandler.cpp b/src/irqhandler.cpp
index b971aeac..81b24304 100644
--- a/src/irqhandler.cpp
+++ b/src/irqhandler.cpp
@@ -7,7 +7,6 @@ TaskHandle_t irqHandlerTask = NULL;
 
 // irq handler task, handles all our application level interrupts
 void irqHandler(void *pvParameters) {
-
   _ASSERT((uint32_t)pvParameters == 1); // FreeRTOS check
 
   uint32_t irqSource;
diff --git a/src/led.cpp b/src/led.cpp
index 8095a3a9..ecd5b99a 100644
--- a/src/led.cpp
+++ b/src/led.cpp
@@ -158,7 +158,6 @@ void ledLoop(void *parameter) {
       }
       // No custom blink, check LoRaWAN state
     } else {
-
 #if (HAS_LORA)
       // LED indicators for viusalizing LoRaWAN state
       if (LMIC.opmode & (OP_JOINING | OP_REJOIN)) {
diff --git a/src/loraconf_abp.cpp b/src/loraconf_abp.cpp
index 675b90fa..84a7ed44 100644
--- a/src/loraconf_abp.cpp
+++ b/src/loraconf_abp.cpp
@@ -14,7 +14,6 @@
  *********************************************************************/
 
 void setABPParameters() {
-
     /** **************************************************************
      * ************************************************************* */
     #if defined(CFG_eu868)
diff --git a/src/mqttclient.cpp b/src/mqttclient.cpp
index c8d85ceb..f490fd85 100644
--- a/src/mqttclient.cpp
+++ b/src/mqttclient.cpp
@@ -19,7 +19,6 @@ void mqtt_deinit(void) {
 }
 
 esp_err_t mqtt_init(void) {
-
   // setup network connection and MQTT client
   ETH.begin();
   ETH.setHostname(clientId);
@@ -43,7 +42,6 @@ esp_err_t mqtt_init(void) {
 }
 
 int mqtt_connect(const char *my_host, const uint16_t my_port) {
-
   IPAddress mqtt_server_ip;
 
   ESP_LOGI(TAG, "MQTT name is %s", MQTT_CLIENTNAME);
@@ -75,13 +73,10 @@ int mqtt_connect(const char *my_host, const uint16_t my_port) {
 }
 
 void mqtt_client_task(void *param) {
-
   MessageBuffer_t msg;
 
   while (1) {
-
     if (mqttClient.connected()) {
-
       // check for incoming messages
       mqttClient.loop();
 
@@ -124,11 +119,10 @@ void mqtt_client_task(void *param) {
 // process incoming MQTT messages
 void mqtt_callback(MQTTClient *client, char *topic, char *payload, int length) {
   if (strcmp(topic, MQTT_INTOPIC) == 0) {
-
     // get length of base64 encoded message
     size_t out_len = 0;
     mbedtls_base64_decode(NULL, 0, &out_len, (unsigned char *)payload, length);
-
+    
     // decode the base64 message
     unsigned char decoded[out_len];
     mbedtls_base64_decode(decoded, out_len, &out_len, (unsigned char *)payload,
diff --git a/src/rtctime.cpp b/src/rtctime.cpp
index 0de8e176..23b3ad20 100644
--- a/src/rtctime.cpp
+++ b/src/rtctime.cpp
@@ -9,7 +9,6 @@ RtcDS3231<TwoWire> Rtc(Wire); // RTC hardware i2c interface
 
 // initialize RTC
 uint8_t rtc_init(void) {
-
   Wire.begin(HAS_RTC);
   Rtc.Begin(MY_DISPLAY_SDA, MY_DISPLAY_SCL);
 
@@ -43,7 +42,6 @@ uint8_t rtc_init(void) {
 } // rtc_init()
 
 uint8_t set_rtctime(time_t t) { // t is sec epoch time
-
 #ifdef RTC_INT // sync rtc 1Hz pulse on top of second
   Rtc.SetSquareWavePin(DS3231SquareWavePin_ModeNone);  // off
   Rtc.SetSquareWavePin(DS3231SquareWavePin_ModeClock); // start
@@ -55,7 +53,6 @@ uint8_t set_rtctime(time_t t) { // t is sec epoch time
 } // set_rtctime()
 
 time_t get_rtctime(uint16_t *msec) {
-
   time_t t = 0;
   *msec = 0;
   if (Rtc.IsDateTimeValid() && Rtc.GetIsRunning()) {
diff --git a/src/senddata.cpp b/src/senddata.cpp
index 518fd30f..1d4bd81b 100644
--- a/src/senddata.cpp
+++ b/src/senddata.cpp
@@ -72,7 +72,6 @@ void SendPayload(uint8_t port) {
 
 // timer triggered function to prepare payload to send
 void sendData() {
-
   uint8_t bitmask = cfg.payloadmask;
   uint8_t mask = 1;
 
@@ -91,7 +90,6 @@ void sendData() {
 
   while (bitmask) {
     switch (bitmask & mask) {
-
 #if ((WIFICOUNTER) || (BLECOUNTER))
     case COUNT_DATA:
       payload.reset();
@@ -197,7 +195,6 @@ void sendData() {
         SendPayload(BATTPORT);
         break;
 #endif
-
       } // switch
       bitmask &= ~mask;
       mask <<= 1;
diff --git a/src/sensor.cpp b/src/sensor.cpp
index 2d077175..7189b6fa 100644
--- a/src/sensor.cpp
+++ b/src/sensor.cpp
@@ -9,7 +9,6 @@ static const char TAG[] = __FILE__;
   10 // max. size of user sensor data buffer in bytes [default=20]
 
 void sensor_init(void) {
-
   // this function is called during device startup
   // put your user sensor initialization routines here
 }
@@ -38,14 +37,11 @@ uint8_t sensor_mask(uint8_t sensor_no) {
 }
 
 uint8_t *sensor_read(uint8_t sensor) {
-
   static uint8_t buf[SENSORBUFFER] = {0};
   uint8_t length = 3;
 
   switch (sensor) {
-
   case 1:
-
     // insert user specific sensor data frames here
     buf[0] = length;
     buf[1] = 0x01;
@@ -53,15 +49,12 @@ uint8_t *sensor_read(uint8_t sensor) {
     buf[3] = 0x03;
     break;
   case 2:
-
     buf[0] = length;
     buf[1] = 0x01;
     buf[2] = 0x02;
     buf[3] = 0x03;
     break;
-
   case 3:
-
     buf[0] = length;
     buf[1] = 0x01;
     buf[2] = 0x02;
@@ -70,4 +63,4 @@ uint8_t *sensor_read(uint8_t sensor) {
   }
 
   return buf;
-}
+}
\ No newline at end of file
diff --git a/src/timesync.cpp b/src/timesync.cpp
index 8660c597..917afef4 100644
--- a/src/timesync.cpp
+++ b/src/timesync.cpp
@@ -56,7 +56,6 @@ void timesync_request(void) {
 
 // task for processing time sync request
 void timesync_processReq(void *taskparameter) {
-
   uint32_t rcv_seqNo = TIME_SYNC_END_FLAG;
   uint32_t time_offset_sec = 0, time_offset_ms = 0;
 
@@ -68,7 +67,6 @@ void timesync_processReq(void *taskparameter) {
   // --- asnychronous part: generate and collect timestamps from gateway ---
 
   while (1) {
-
     // wait for kickoff
     ulTaskNotifyTake(pdFALSE, portMAX_DELAY);
 
@@ -85,7 +83,6 @@ void timesync_processReq(void *taskparameter) {
 
     // collect timestamp samples in timestamp array
     for (int8_t i = 0; i < TIME_SYNC_SAMPLES; i++) {
-
 // send timesync request
 #if (TIME_SYNC_LORASERVER) // ask user's timeserver (for LoRAWAN < 1.0.3)
       payload.reset();
@@ -122,7 +119,6 @@ void timesync_processReq(void *taskparameter) {
       // if we are not in last cycle, pause until next cycle
       if (i < TIME_SYNC_SAMPLES - 1)
         vTaskDelay(pdMS_TO_TICKS(TIME_SYNC_CYCLE * 1000));
-
     } // for i
 
     // --- time critial part: evaluate timestamps and calculate time ---
@@ -174,7 +170,6 @@ void timesync_store(uint32_t timestamp, timesync_t timestamp_type) {
 
 // callback function to receive time answer from network or answer
 void timesync_serverAnswer(void *pUserData, int flag) {
-
 #if (HAS_LORA_TIME)
 
   // if no timesync handshake is pending then exit