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Thread: Renault "Tuner List" Head Unit/CD changer hacking - Controls

  1. #511
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    Quote Originally Posted by Putput
    I managed to get the sound enabled with the logical plugin!
    Well, good guess. I wouldn't have believed it was the case. Now I wonder what the Connects2 emulates. Maybe just having the time changing (no matter to which value) is sufficient...
    Note that with the full [Emulator + RRPlugin + RR + Winamp] combination, time changes too as it is taken from Winamp...
    Only problem was that after I switched the HU off and back on again the sound stayed off.
    And what operation do you have to do to enable it again ?
    Now the only thing I need is time .... does anybody now where to find some ...
    I've run out of mine, sorry


  2. #512
    mox
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    Quote Originally Posted by Vicne
    Now I wonder what the Connects2 emulates. Maybe just having the time changing (no matter to which value) is sufficient...
    http://www.connects2.com/forum/b.asp?m=2758 suggests that the VRNX001 "Tuner List" interface is incompatible with Update List HUs.

    EDIT: Apparently they have solved the compatibility issues, as the interface is now called "CTVRNX001" and it comes with both TL and UL support.
    CarPC status: HW all done, SW needs tweaked.
    Hardware: VIA MII-12K, 512MB, 60GB 2.5", CW-8123 DVD-CDRW, 7" Lilli ts, Opus 90W, BU-353 GPS, 802.11b PCI, USB bluetooth dongle, AverMedia AverTV Cardbus Plus, Morex Cubid 3677
    Software: RR, MM/FD

  3. #513
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    Great Project, thanks, keep on the good job.

    Anyone working on Rockbox (http://www.rockbox.org/) interface with HU ?


    I planning on doing a pic based interface between HU and Archos Jukebox (could work with Ipod, IRiver ?).

    The guys from rockbox explain how to do hardware modification on the Archos to add a serial port. The pic would convert HU remote order to rockbox protocol.

  4. #514
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    Quote Originally Posted by leola
    Anyone working on Rockbox (http://www.rockbox.org/) interface with HU ?
    Not that I know of. Nice project btw...

    I planning on doing a pic based interface between HU and Archos Jukebox (could work with Ipod, IRiver ?).

    The guys from rockbox explain how to do hardware modification on the Archos to add a serial port. The pic would convert HU remote order to rockbox protocol.
    That's interesting indeed. You might even try to directly emulate the protocol from the Archos and just adapt levels... Well, I admit I'm not familiar with the programming of devices such as Archos...

    Don't forget to take care of the sound issue. I know some models have a SPDIF output while some others don't. If you have to do both the hardware for the emulator and for Analog > SPDIF conversion, plus Archos modification, plus connectors, and such, it might end up more expensive than a Connects2.

    Well, you'd just miss the fun of course

  5. #515
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    Quote Originally Posted by mox
    Apparently they have solved the compatibility issues, as the interface is now called "CTVRNX001" and it comes with both TL and UL support.
    If anyone with an Update List can borrow a CTVRNX001, spying on it would be a huge plus obviously. Without that or an actual CDC, it'll be trial and error...

  6. #516
    Ale
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    PIC emulator

    Hi all,
    here after working with some problem due to the baudrate (using internal osc at 8Mhz perhaps isn't enougth stable) when receiving command from HU, i solved choosing 50 instead of 51 for SPBRG register.
    here is the latest release 1.3.
    New functionality include interrupt rx, received command que (up to 16 cmd) management of all HU-cmd, and auto-increasing time in play frame.
    Open problem:
    - The volume action +- doesn't show in the display. i don't know if the SPDIF input is enabled, becouse till now i haven't a spdif source.
    - I reached cc5x limit of 1kbyte of code. perhaps i will move to BOOSTC compiler, free up to 2Kbyte.

    bye
    Ale
    Attached Files Attached Files

  7. #517
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    Open problem:
    - The volume action +- doesn't show in the display. i don't know if the SPDIF input is enabled, becouse till now i haven't a spdif source.
    If the Tuner List HU reacts the same as my Update List unit I have to disappoint you, when volume up/down is not shown on the HU display when changing the volume, SPDIF is NOT enabled. Perhaps Vicne can confirm/deny this?

  8. #518
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    Quote Originally Posted by Putput
    If the Tuner List HU reacts the same as my Update List unit I have to disappoint you, when volume up/down is not shown on the HU display when changing the volume, SPDIF is NOT enabled. Perhaps Vicne can confirm/deny this?
    I don't have the definite answer, but my bet would be that no volume change means no spdif output indeed... Maybe you can do the following test :
    1) Listen to the radio at volume 5 or 10
    2) Switch to CDC Emulator
    3) Press and hold "Volume -"
    4) Switch back to tuner

    If volume is still at 5 or 10 (which I guess it would be), it means the change hasn't been taken into account so most probably it means CDC was not actually to be heared...

    BTW, maybe you have a SPDIF output to test : just look carefully at the back of your CD/DVD ROM drives : http://www.hardwaresecrets.com/article/82 (didn't test it this way myself though as I have both an Epia and a SB Live Platinium...)

    Hope it helps...

  9. #519
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    Can someone give me a shematic to connect a Tuner List radio to a mp3
    player? Thanks

  10. #520
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    Quote Originally Posted by jorgenuno04
    Can someone give me a shematic to connect a Tuner List radio to a mp3 player? Thanks
    In short... there isn't.
    With our current knowledge, we could probably build one, but it would be roughly as expensive as the one made by connects2.com ...

    For such a connection, 3 distinct functions would be needed :
    1) Hardware interface for level adaptation of control wires
    2) Software emulator to fake a CD Changer
    3) Analog to Digital conversion of input sound

    The current status is :
    - for 1, we have a solution
    - for 2, we have a solution with a PC and are working on a solution with a microcontroller
    - for 3, we haven't worked on it yet.

    So unfortunately, unless your mp3 player has a digital (SPDIF) output, we can't give you an out-of-the-box solution yet.

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