9141 Startup Sequence

Developer topics relating to software that logs data from ECUs

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9141 Startup Sequence

Postby 9141-58008 » Sat Feb 26, 2011 12:00 pm


I have been trying to get the OP 2.0 working using 9141 with a couple of Subaru ECUs I have . So far, I can verify that SSM works on a newer ECU, but I have not gotten 9141 to return any data. I've looked at the klogger sample, but when it runs, it doesn't return any data. I've verified that 9141 is working on the ECU with a VAG-COM cable.

The following seems to work.
1. init (success)
2. PassThruOpen (success)
3. PassThruConnect (success)
4. PassThruIoctl, FIVE_BAUD_INIT (success, outputMsg[0] = 0x08, outputMsg[1] = 0x08)

After this, I setup the filters and write data (both return success) but when I go to read, it times out.

The last filter set I tried, the mask was 0x14, 0xfe and the pattern was 0x00, 0x6a. The message I sent was 0x61, 0x6a, 0x00, 0xnn where nn is between 0x0 and 0x20 (I looped through all of them.)

Is there an example showing the start up sequence for 9141?
I've looked around, and most don't even compile. Once I get them to compile, they don't work.

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Joined: Sat Feb 26, 2011 11:47 am

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