begin:
   hwSerial - ESP32 HW serial unit connected to the bus
   ro_pin - RI pin
   di_pin - RO pin
   re_de_pin - RE/DE pin
   master_id - id of the master
   slave_id - id of the slave
   command_time - time in ms needed for command: ~40ms (you can play with it untill no message is lost anymore)
   response_timeout - time after which the response is read: ~100ms
   
SetMode
   mode  - ac mode
SetFanMode
   fan_mode - ac fan mode
SetTemp
   temp - ac temperature
SetAuxHeat_Turbo
   value - switch on or off the feature
SetEcho_Sleep
   value - switch on or off the feature
SetSwing
   value - switch on or off the feature
SetVent
   value - switch on or off the feature

Update - call cyclically to send the commands

Lock - call to lock the AC

Unlock - call to unlock the AC

State
  Unknown1 - see https://codeberg.org/xye/xye
  Capabilities - see https://codeberg.org/xye/xye
  OpMode - operation mode
  FanMode - fan mode
  SetTemp - set temp in C
  T1Temp - Temp in C
  T2ATemp - Temp in C
  T2BTemp - Temp in C
  T3Temp - Temp in C
  Current - see https://codeberg.org/xye/xye
  Unknown2 - see https://codeberg.org/xye/xye
  TimerStart - time to start in minutes
  TimerStop - time to stop in minutes
  Unknown3 - see https://codeberg.org/xye/xye
  ModeFlags - see https://codeberg.org/xye/xye
  OperatingFlags - see https://codeberg.org/xye/xye
  ErrorFlags - see https://codeberg.org/xye/xye
  ProtectFlags - see https://codeberg.org/xye/xye
  CCMComErrorFlags - see https://codeberg.org/xye/xye
  Unknown4 - see https://codeberg.org/xye/xye
  Unknown5 - see https://codeberg.org/xye/xye
  ACNotResponding - flag indicating the communication status with the AC
  
SentData - send buffer : for debug purpose
ReceivedData - receive buffer : for debug purpose