Fixed race conditions in current time determination

thermo_sensor_v2.ino

@@ -30,10 +30,11 @@ int cur_hum = 0;
 
 
 unsigned long last_poll = 0;
+unsigned long current = 0;
 
 Modbus::ResultCode OnModbusRequest(Modbus::FunctionCode fc, const Modbus::RequestData data) 
 {
-  last_poll = millis();
+  last_poll = current;
   return Modbus::EX_SUCCESS;
 }
 
@@ -70,6 +71,8 @@ void setup()
 	mb.server(15000);
 	mb.addHreg(REGISTER_CURRENT_TEMP, cur_t);
 	mb.addHreg(REGISTER_CURRENT_HUM, cur_hum);
+
+  last_poll = millis();
 }
 
 void UpdateDHTData()
@@ -86,7 +89,7 @@ unsigned long last_log = 0;
 
 void loop() 
 {
-	unsigned long current = millis();
+	current = millis();
 	if (current < last_read || current - last_read >= READ_INTERVAL)
 	{
     UpdateDHTData();
@@ -110,6 +113,8 @@ void loop()
 	}
   if (current < last_poll || current - last_poll > NON_CONNECTED_REBOOT_TIMEOUT)
 	{
+  Serial.println(current);
+  Serial.println(last_poll);
     Serial.println("Detected absense of polls, consider it as connection failure");
 		ESP.restart();
 	}