Open source CCS using AR7420

[CCSknowitall]

I believe your Tesla is switching to single wire CAN mode as it is not receiving your SLAC request. Tesla's are "impatient" in that they will try (and give up) within only a few hundred milliseconds of seeing 5% PWM. If you're not ready, do a steady 9V (state B1), and only turn on your 5% oscillator once you for sure know your modem is ready.

[PLSee]

Here is the pcap file. I don't know how to generate the .log files.
How do I know the modem is ready? I'm waiting until pyplc is in the "modem isrestarting" phase and see the "nPacketsReceived" counter increase.
Then I plug the connector into the car.

[uhi22]

The pcap looks good. PyPLC sets the key, and the modem gives positive response. The next step should be, that the car sends a slac_param request. But this is not visible in the log.
I assume the car is not happy with the voltage on the CP, or the PP resistance. I'd propose to modify the test setup that it provides static 12V on CP, so the car can pull this to static 9V, and to turn on the 5% PWM as soon as the EVSE sees the 9V.