[iyonix-support] Re: USB to serial converter driver available?

On Sun 25 Nov, Thomas Milius wrote:
> 
> Since a while I am having trouble with my car. Meanwhile I am knowing
> the motor management is defect and I am trying to repair it. Parallel to this
> I bought a new motor management unit. It arrived last week and seems to work
> fine. However it must be synchronized with the anti theft unit to work longer
> than a couple of seconds. I could try to put the car to a garage but this
> would be difficulty because the old motor management isn't working properly
> and the new one will only work for some seconds. And yes the car is Rover
> component based and the according protocol is not really documented so the
> garage might get trouble with the synchronisation. I had the car already at
> a garage as the problem occurred but I wasn't satisfied with their results.
> It had a lot to do with trial and error playing around and I had to pay for
> it. So after three weeks without success I decided to play myself and put the
> car back to home. The next real Rover garage is meanwhile 50KM far away. Too
> far for a faulty machine.
> 
> Regarding all aspects I came to the conclusion that it would make sense to
> buy me an OBD2-Interface and use it from my Iyonix. I am thinking of buying
> an OBD-DIAG 4000 adapter, which provides OBD access even for new cars on one
> side and an USB connection on the other side. USB connection is provided by
> fitting an USB to serial convert chip within the interface because the OBD
> chip uses a serial interface.

Is there no way to connect directly to the serial interface?

IIRC USB drivers that require data in non full data block sizes is a big
problem!
 
> So I am assuming that the device will identify itself as or similar as an USB
> to serial Interface. The ODB chip itself is said to behave like a modem using
> AT-commands establishing a connection to the required component of the car.
> After the conenction has been established the interface will behave like a
> terminal. You are sending some data and the component replies wth some
> output.
> 
> Therefore my question:
> 
> Is there a driver for the Castle USB stack for USB to serial interfaces?
> 
> Did anyone got an USB-Modem working on the Iyonix?

I've not heard of either of the above:-(

> How are such USB-devices
> identifying theirselves?
> 
> In best case (even this would not be Iyonix related) someone has already done
> something similar under RISC OS and can give me some hints.


Chris Evans

-- 
CJE Micro's / 4D                'RISC OS Specialists'
Telephone: 01903 523222             Fax: 01903 523679
chris@xxxxxxxxxxxxxxx     http://www.cjemicros.co.uk/
78 Brighton Road, Worthing, West Sussex,     BN11 2EN
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