The new (final ?) version of the frame receiver is now written, and should take care of all situations.
Next is to complete the calls and processing of all frames defined the protocol.
When coded and tested, a new version shall be issued.
My house is equipped with a Ventilation system, the system is controlled via my domotica system (KNX) through 2 switches (thus speed 1, 2 or 3).
I discovered that the ventilation controller can do a lot more than this and can be connected via a serial line (RS232). Some setting being only available from the front panel (in the attic), noticeably the Absent mode that turns down the ventilation.
This is the first attempt of interfacing the Ventilation controller onto a raspberry Pi.
This version was intended to test the connection (RS232, Ethernet to RS232 ...) and to get a grasp of the protocol.... read more