Add new USB command to reset settings to defaults, clean up compiler warnings

CurrentRanger_R3.ino

@@ -19,11 +19,12 @@
 #include <U8g2lib.h>               //https://github.com/olikraus/u8g2/wiki/u8g2reference fonts:https://github.com/olikraus/u8g2/wiki/fntlistall
 //#include <ATSAMD21_ADC.h>
 
-#define FW_VERSION "1.1.4"         //firmware version
+#define FW_VERSION "1.1.5"         //firmware version
 // ********************** CHANGE LOG ***********************************************************************
-// 1.1.4 - BUGFIX - USB logging values are half value when CR started without OLED, and until AUTORANGING is toggled
-// 1.1.3 - BUGFIX - CR turns off after 21hrs when AUTO-OFF disabled
-// 1.1.2 - BUGFIX - BIAS MODE bug fix
+// 1.1.5 - FEATURE - NEw USB UI command to reset runtimes settings to default values
+// 1.1.4 - BUGFIX  - USB logging values are half value when CR started without OLED, and until AUTORANGING is toggled
+// 1.1.3 - BUGFIX  - CR turns off after 21hrs when AUTO-OFF disabled
+// 1.1.2 - BUGFIX  - BIAS MODE bug fix
 //***********************************************************************************************************
 #define BIAS_LED       11
 #define LPFPIN         4
@@ -350,7 +351,7 @@ void loop() {
         Serial.print("\nRebooting to bootloader.");
         for (byte i=0;i++<30;) { delay(10); Serial.print('.'); }
         rebootIntoBootloader();
-        break;
+        break;        
       case 'u': //toggle USB logging
         USB_LOGGING_ENABLED =! USB_LOGGING_ENABLED;
         Serial.println(USB_LOGGING_ENABLED ? "USB_LOGGING_ENABLED" : "USB_LOGGING_DISABLED");
@@ -421,6 +422,49 @@ void loop() {
       case '4': toggleLPF(); break;
       case '5': toggleOffset(); break;
       case '6': toggleAutoranging(); break;
+
+      case '!': //reset runtime params
+        USB_LOGGING_ENABLED = false;
+        Serial.println("USB_LOGGING_DISABLED");
+
+        LOGGING_FORMAT=LOGGING_FORMAT_EXPONENT;
+        eeprom_LOGGINGFORMAT.write(LOGGING_FORMAT);
+        Serial.println("LOGGING_FORMAT_EXPONENT");
+
+        TOUCH_DEBUG_ENABLED = false;
+        Serial.println( "TOUCH_DEBUG_DISABLED");        
+
+        GPIO_HEADER_RANGING = false;
+        Serial.println("GPIO_HEADER_RANGING_DISABLED");        
+
+        BT_LOGGING_ENABLED = false;
+        Serial.println("BT_LOGGING_DISABLED");
+
+        LOGGING_FORMAT=LOGGING_FORMAT_EXPONENT;
+        eeprom_LOGGINGFORMAT.write(LOGGING_FORMAT);        
+        Serial.println("LOGGING_FORMAT_EXPONENT");
+
+        ADC_SAMPLING_SPEED=ADC_SAMPLING_SPEED_AVG;
+        eeprom_ADCSAMPLINGSPEED.write(ADC_SAMPLING_SPEED);
+        refreshADCSamplingSpeed();                
+        Serial.println("ADC_SAMPLING_SPEED_AVG");
+
+        autooff_interval = AUTOOFF_DEFAULT;
+        eeprom_AUTOFF.write(autooff_interval);       
+        Serial.println("AUTOOFF_DEFAULT"); 
+
+        TOUCH_DEBUG_ENABLED = false;
+        Serial.println("TOUCH_DEBUG_DISABLED");        
+
+        if (LPF)  toggleLPF();
+        if (BIAS) toggleOffset();
+        if (AUTORANGE) toggleAutoranging();
+        rangeMA();
+
+        Serial.println("SETTINGS_RESET");
+
+        break;
+
       case '?':
         printSerialMenu();
         break;
@@ -521,11 +565,17 @@ void loop() {
 
     if (autoffBuzz) u8g2.drawStr(5,26,"* AUTO OFF! *"); //autoffWarning
     u8g2.setFont(u8g2_font_helvB24_te);
-    u8g2.setCursor(RANGE_MA ? 102 : 106, RANGE_UA ? 55:60); u8g2.print(RANGE_UA ? char('µ') : rangeUnit);
+    u8g2.setCursor(RANGE_MA ? 102 : 106, RANGE_UA ? 55:60); u8g2.print(RANGE_UA ? char(u'µ') : rangeUnit);
     u8g2.setFont(u8g2_font_logisoso32_tr);
-    u8g2.setCursor(0,64); u8g2.print((BIAS&&abs(VOUT)>=0.4||!BIAS&&VOUT>=0.4)?VOUT:0, abs(VOUT)>=1000?0:1);
-    if (!BIAS && readDiff>ADC_OVERLOAD || BIAS && abs(readDiff)>ADC_OVERLOAD/2)
-    {
+    u8g2.setCursor(0,64);
+    u8g2.print(
+      ( (BIAS && (abs(VOUT)>=0.4)) || (!BIAS&&(VOUT>=0.4)) )? VOUT:0 , 
+      (abs(VOUT)>=1000)?0:1 
+    );
+    if (
+      (!BIAS && (readDiff>ADC_OVERLOAD)) || 
+      (BIAS && (abs(readDiff)>ADC_OVERLOAD/2))
+    ) {
       u8g2.setFont(u8g2_font_9x15B_tf);
       u8g2.drawStr(0,28, "OVERLOAD!");
     }
@@ -863,6 +913,7 @@ void printSerialMenu() {
   Serial.println("4 = toggle Low Pass Filter (LPF)");
   Serial.println("5 = toggle BIAS (disables AutoRanging)");
   Serial.println("6 = toggle AutoRanging (disables BIAS)");
+  Serial.println("! = reset all runtime settings to defaults");  
   Serial.println("? = Print this menu and calib info");
   Serial.println();
 }