If you take at look at my initial post:
"NOTE: I know about the ELM Electronics ELM322. (I own one) I'm looking to directly interface with the buss."
To be honest I not only have the ELM322, but I have all five of the elm devices. I was a beta tester for the most recent release. I'm interested in tying my pic to the data bus like the article did.
I own, have read, and understand the SAE documents pertaining to the communications protocol. The commands for communication are standard. (J1850) The thing at differs between manufacturers is at the physical level vpw, pwm, iso, and can. I'm just not sure how to implement vpw in PICBasic and would like to.
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