[fpc-pascal] Vehicle management

Mark Morgan Lloyd markMLl.fpc-pascal at telemetry.co.uk
Mon May 8 15:11:28 CEST 2017


On 08/05/17 13:00, Paul Breneman wrote:
> On 05/08/2017 04:48 AM, Mark Morgan Lloyd wrote:...>> Thanks Graeme (and
> others, please keep commenting).>> This is something niche, for a
> specific vehicle (Range Rover P38 EAS> unlock etc.), but could still be
> a nice little showcase program.>> One odd thing is that the physical
> interface is apparently via> manufacturer-specific pins on the connector
> carrying RS232 running at a> non-standard speed. I've not hung a 'scope
> on the signals yet to verify> that, but if it's correct I'll probably
> have to modify the Linux> serial.pp unit again.>
> If it's an OBD connector then the specs should be available.  Here is
> more info:   https://en.wikipedia.org/wiki/SAE_J1939

It's on the manufacturer-specific pins. The specs are NOT freely 
available, and if the description I've seen so far is to be believed the 
comms run at 800 bps.

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]



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