Re: Programming a new serial protocol

>
> Hello,
>
> I'm starting to study MisterHouse "architecture", and before going deep I
> would like to know If it will be easy to develop a new serial protocol.
>
> I have a "custom" hardware, IHC from Denmark. This hardware has it's own
> protocol that works with RS485, but I could communicate with a RS232/RS485
> converter. Basically, I can send & receive hex numbers in ascii. For
> example, each message that I send or receive, start with 0x02. Each message
> ends with 0x17. After the 0x17 always a CRC appears, that is the sum of all
> the numbers of the message. For example, to get the status of all the
> outputs of the system:
>
> a) IHC is sending this commmand: 02 1C 30 17 65    ( The system is ready)
>
> b) After that, the PC sends:  02 12 82 17 AD     (ask for Getting the output
> status, lights)
>
> c) IHC answers: 02 1C 83 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 17
> B9      (Return the outputs on)
>
> There is 1 light ON.
>
> There are commands to switch ON & switch OFF outputs, requests the inputs
> (buttons pressed).
>
> As you can see the protocol is easy to understand. Is there any source code
> with sending & receiving ascii through serial, with events, which I could
> modify easily under Misterhouse?
>
> Thanks in advance!
>
>