Add custom WDT timeout for ESP8266

Author: tyeth

src/Wippersnapper.cpp

@@ -2503,7 +2503,11 @@ void Wippersnapper::runNetFSM() {
 /**************************************************************************/
 void Wippersnapper::haltError(String error, ws_led_status_t ledStatusColor,
                               uint8_t seconds_until_reboot) {
-  uint8_t wdt_timeout_ms = 5000; // future platform-specific differences
+#ifdef ARDUINO_ARCH_ESP8266
+  uint8_t wdt_timeout_ms = 3200;
+#else
+  uint8_t wdt_timeout_ms = 5000;
+#endif
   int seconds_until_wdt_enable =
       seconds_until_reboot - (int)(wdt_timeout_ms / 1000);
 
@@ -2523,7 +2527,7 @@ void Wippersnapper::haltError(String error, ws_led_status_t ledStatusColor,
 #endif
     if (i < seconds_until_wdt_enable) {
       yield();
-      WS.feedWDT(); // feed the WDT for the first 20 seconds
+      WS.feedWDT(); // feed the WDT for the first X-5 seconds
     } else if (i == seconds_until_reboot) {
       WS.enableWDT(wdt_timeout_ms);
     }