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Conversation Between Fountainhead and radensb
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  1. radensb
    02-24-2014 02:53 AM - permalink
    radensb
    Hi!

    I am curious. Im the one working on the IPOD->Bluetooth adapter from thread:
    http://www.the370z.com/audio-video/8...ooth-unit.html

    Being that you are apple developers, I was wondering if you would be able to assist me. I have been able to extract the commands that the Z IPOD adapter is sending out. I can decode and generate responses to almost all of them thanks to this resource:
    https://nuxx.net/wiki/Apple_Accessory_Protocol

    One command that is giving me trouble is Advanced Remote Command (mode 4) 0x00 0x0C.
    For example, when an IPOD is plugged in, at some point the car sends:
    FF 55 0A 04 00 0C 00 00 00 00 00 00 00 E6
    and
    FF 55 0A 04 00 0C 02 00 00 00 00 00 00 E4

    and the IPOD responds:
    FF 55 0E 04 00 0D 00 00 00 00 04 00 02 E5 D6 00 00 20
    and
    FF 55 0C 04 00 0D 02 00 00 00 00 00 00 00 00 E1
    respectively.

    I cannot for the life of me figure out what this is. Is this information you have access too? Or maybe a more complete documentation of the Apple Accessory protocol? I would appreciate any help you could offer!

    Thanks!

    -Ryan

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