Improved wdt code

firmware/firmware.ino

@@ -1,6 +1,7 @@
 // Standard ESP8266 libs from project folder
 #include <ESP8266mDNS.h>
 #include <ESP8266WiFi.h>
+#include <esp.h>
 
 #include <WiFiClient.h>  // WiFiClient
 
@@ -132,8 +133,11 @@ void setup() {
 #else  // not in battery mode
 
 #ifdef ENABLE_WATCHDOG
+  wdt_disable();
+  wdt_reset();
   // Enable the internal watchdog
-  ESP.wdtEnable(WATCHDOG_TIMEOUT_MS);
+  wdt_enable(WATCHDOG_TIMEOUT_MS);
+  debug("Watchdog enabled");
 #endif
 #endif
 }
@@ -358,7 +362,7 @@ void criticalBatCheck() {
 void loop() {
 
 #ifdef ENABLE_WATCHDOG
-  ESP.wdtFeed();
+  WDT_FEED();
 #endif
 
 #ifdef BATTERY_POWERED