Add full factory reset with -1 sizeOfSettings

Author: nseidle

Firmware/RTK_Surveyor/NVM.ino

@@ -352,17 +352,7 @@ bool parseLine(char* str) {
     //If user sets sizeOfSettings to -1 in config file, RTK Surveyor will factory reset
     if (d == -1)
     {
-      eepromErase();
-
-      //Assemble settings file name
-      char settingsFileName[40]; //SFE_Surveyor_Settings.txt
-      strcpy(settingsFileName, platformFilePrefix);
-      strcat(settingsFileName, "_Settings.txt");
-      sd.remove(settingsFileName);
-
-      Serial.printf("RTK %s has been factory reset via settings file. Unit restarting. Please open terminal at 115200bps.\n\r", platformPrefix);
-      delay(2000);
-      ESP.restart();
+      factoryReset(); //Erase EEPROM, erase settings file, reset u-blox module, display message on OLED
     }
 
     //Check to see if this setting file is compatible with this version of RTK Surveyor

Firmware/RTK_Surveyor/menuMain.ino

@@ -104,6 +104,8 @@ void menuMain()
 //Erase all settings. Upon restart, unit will use defaults
 void factoryReset()
 {
+  displaySytemReset(); //Display friendly message on OLED
+
   eepromErase();
 
   //Assemble settings file name
@@ -122,8 +124,6 @@ void factoryReset()
     } //End xFATSemaphore
   }
 
-  displaySytemReset(); //Display friendly message on OLED
-
   i2cGNSS.factoryReset(); //Reset everything: baud rate, I2C address, update rate, everything.
 
   Serial.println(F("Settings erased successfully. Rebooting. Good bye!"));