I've got this idea for connecting my iPAQ to the select monitor port and writing the software to do data logging and real-time graphic displays.

Would this be an interesting project to do? How many of you out there would be up interested in this if i start writing the code?

The iPaq is an ideal device for this, it's cheap, colour display and easy to program.

 

Well Ive got a 3630 that is doing nothing.. so very interested if it works on 94..

David

 

Me too! Apart from using it for a universal remote control aka Philips Pronto ;-)

Looking at the H/W at the moment. I have a schematic for a TTL level convertor.

Not sure what connectors on the ECU.

Any help people? I have an MY01 + PPP. Anybody know what the connector is on the back of this before i start taking my car apart.

 

there was a thread in technical about a month back that had some info on the baud rate for the custom protocol... used 8mhz if I remember rightly...

but im not helping you as you have my01... and its incompatible with mine.

David

[Edited by David_Wallis - 6/17/2002 4:19:50 PM]

 

If it's done properly, it should work with any ECU configuration.

I was planning to use different .dll for the low-level stuff depending on the ECU you need to log from. Then have a standard GUI for displaying data.

As i say, at the momemt i'm collating information.

 

what language you thinking of using??

would a max232 not do the rs232 to ttl ??

David

 

"Any help people? I have an MY01 + PPP. Anybody know what the connector is on the back of this before i start taking my car apart."

I can help you with the connectors, but don't know the pin-outs on the ECU.

simon

 

how do you do the universal remote control??

David

 

pdawin.com. $14 well cheap!!


Works a treat. Can even use the .ccf files for a pronto.

I've ordered the iR extender CF card too, although discovered on saturday that the iPAQ reaches nearly 4m across room to TV/DVD equipment.

 

I will do the low-level device stuff in C++ for low-latency. No need to go to arm assembler as we're talking at rs-232 speeds and the iPAQ uart is pretty damned quick anyway.


All the GUI will be in wonderful VB. Have all the tools, and a number of laptops to do the development. Just need the info. people.

 

http://lillith.sk.tsukuba.ac.jp/~kashima/car/gc8-e.html
http://subaru.piim.ee

Don't know if they are any help. People that have already done this have been working on the MY99/MY00 cars.

Stefan

Edited to add this link to the ECU wiring diagram http://lillith.sk.tsukuba.ac.jp/~kas...ar/ecu_mon.pdf


[Edited by ozzy - 6/17/2002 5:01:31 PM]

 

hang on a sec... arent we going to have to do ttl --> rs232 --> ir??

If you need any help with the vb side let me know..

David

 

> hang on a sec... arent we going to have to do ttl --> rs232 --> ir??

Nope, going to butcher a standard serial iPAQ cable.

 

What just use the cradle to provide the connection and then connect via a 9 pin D Socket?

David

 

You can buy a standard serial cable for them, rather than using the cradle.

 

WTF ? Does this mean I can watch my car engine on telly ? What channel will it be on ?