Migrated to littlefs on esp32 + fix A0 pin

src/helper.cpp

@@ -92,7 +92,7 @@ void ErrorFileLog::addEntry(String err) {
     _errors[i] = _errors[i - 1];
   }
   _errors[0] = err;
-  Log.errorln(err.c_str());
+  Log.error(err.c_str());
   save();
 }
 
@@ -232,7 +232,7 @@ void BatteryVoltage::read() {
   // The analog pin can only handle 3.3V maximum voltage so we need to reduce
   // the voltage (from max 5V)
   float factor = myConfig.getVoltageFactor();  // Default value is 1.63
-  int v = analogRead(A0);
+  int v = analogRead(PIN_A0);
 
   // An ESP8266 has a ADC range of 0-1023 and a maximum voltage of 3.3V
   // An ESP32 has an ADC range of 0-4095 and a maximum voltage of 3.3V

src/main.hpp

@@ -28,22 +28,24 @@ SOFTWARE.
 #include <ArduinoJson.h>
 #include <ArduinoLog.h>
 #include <stdlib.h>
+#include <LittleFS.h>
 
 #if defined (ESP8266)
-#include <LittleFS.h>
 #define ESP_RESET ESP.reset
 #define PIN_SDA D3
 #define PIN_SCL D4
 #define PIN_DS D6
+#define PIN_A0 A0
 #else // defined (ESP32)
-#define LittleFS SPIFFS
+#include <FS.h>
+#define LittleFS LITTLEFS
 #define ESPhttpUpdate httpUpdate
 #define ESP_RESET ESP.restart
 #define ESP8266WebServer WebServer
-#include <spiffs.h>
 #define PIN_SDA 17
 #define PIN_SCL 16
 #define PIN_DS 19
+#define PIN_A0 36
 #endif
 
 #define PIN_LED 2

src/wifi.cpp

@@ -39,13 +39,8 @@ SOFTWARE.
 #include <wifi.hpp>
 
 // Settings for DRD
-#if defined(ESP8266)
 #define ESP_DRD_USE_LITTLEFS true
 #define ESP_DRD_USE_SPIFFS false
-#else  // defined (ESP32)
-#define ESP_DRD_USE_LITTLEFS false
-#define ESP_DRD_USE_SPIFFS true
-#endif
 #define ESP_DRD_USE_EEPROM false
 #include <ESP_DoubleResetDetector.h>
 #define DRD_TIMEOUT 3