corrected most of the review comments, except "maxlength"

tools/esp8266/README.md

@@ -36,6 +36,7 @@ For now the following inverters should work out of the box:
 - HM600
 - HM700
 - HM800
+- HM1000?
 - HM1200
 - HM1500
 
@@ -48,15 +49,7 @@ These pins can be changed in the http://<ip-adress>/setup URL or with a click on
 
 ## Compile
 
-This code can be compiled using Visual Studio Code and **PlatformIO** Addon. The settings were:
-
-- Board: Generic ESP8266 Module
-- Flash-Size: 4MB
-- Install libraries (not included in the Arduino IDE 1.8.19):
-  - `Time` 1.6.1
-  - `RF24` 1.4.5
-  - `PubSubClient` 2.8
-  - `ArduinoJson` 6.19.4
+This code can be compiled using Visual Studio Code and **PlatformIO** Addon.
   
 ## Used Libraries 
 

tools/esp8266/app.cpp

@@ -52,13 +52,11 @@ void app::loop(void) {
     bool apActive = mWifi->loop();
     mWebInst->loop();
 
-    if(checkTicker(&mUptimeTicker, mUptimeInterval)) {
-        if(millis() - mPrevMillis >= 1000) {
-            mPrevMillis += 1000;
-            mUptimeSecs++;
-            if(0 != mTimestamp)
-                mTimestamp++;
-        }
+    if(millis() - mPrevMillis >= 1000) {
+        mPrevMillis += 1000;
+        mUptimeSecs++;
+        if(0 != mTimestamp)
+            mTimestamp++;
     }
 
     if(checkTicker(&mNtpRefreshTicker, mNtpRefreshInterval)) {
@@ -658,8 +656,6 @@ const char* app::getFieldStateClass(uint8_t fieldId) {
 //-----------------------------------------------------------------------------
 void app::resetSystem(void) {
     mUptimeSecs     = 0;
-    mUptimeTicker   = 0xffffffff;
-    mUptimeInterval = 500; // [ms]
     mPrevMillis     = 0;
 
     mNtpRefreshTicker   = 0;

tools/esp8266/app.h

@@ -221,8 +221,6 @@ class app {
         }
 
 
-        uint32_t mUptimeTicker;
-        uint16_t mUptimeInterval;
         uint32_t mUptimeSecs;
         uint32_t mPrevMillis;
         uint8_t mHeapStatCnt;