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Thread: iPod emulation

  1. #1
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    iPod emulation

    I'm working on my first car pc and haven't seen any software that can act like an iPod, so I wrote some. I have a stock radio with steering wheel controls and no audio inputs. I wanted to connect a carpc and be able to use the dash and steering wheel controls. I bought a soundgate gmpd4, which gave me aux in and an ipod connector. I was wondering if anyone has seen software that will respond to an ipod accessory as though the pc was an ipod. This would allow just about any car to get good functionality out of a car pc without needing to replace the head unit. If no one has written software like this before, I'll go ahead and open source mine as soon as I get it into a more functional state. It mostly works now, but could use some polish. I've also hacked apart the cable to the gmpd4 and figured out it's baud rate and what wires need to be connected to what to make it work with the pc. Anyone interested?

  2. #2
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    I love the idea been wanting the same exact thing. and maybe even get the song title to stream over teh stock head unit like it does when the ipod is plugged in. but most of all would like to jsut have the steerign wheel controls and maybe even the sound to be able to go threw that connector....

  3. #3
    MySQL Error soundman98's Avatar
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    i'm definitely curious!!

  4. #4
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    Wow, 2 replies in one day and it's only been a year and a half since I originally posted this. lol. I would have to dig it out again, but if I remember correctly it could send the audio over the ipod connector as well as let you use the steering wheel controls. The only thing is, you have to wire up a very interesting cable yourself. The ipod connector on one end, and a stereo plug FTDI TTL serial board on the other to go into the computer. I could provide a schematic for that. www.sparkfun.com has all the bits and pieces you would need to make a cable. I had mine connected to a gmpd4 from soundgate, and I made my cable by cutting up the cable it came with.

    ---------- Post added at 12:16 PM ---------- Previous post was at 11:50 AM ----------

    oh sorry, I misread. It also sends the song title, artist etc over the ipod connector so your head unit can show you all that stuff too.

  5. #5
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    The only difference is that in my car there is a USB port that u just plug in a normal USB to ipd cable into it so one end the USB goes into the car and the other end plugs into the iPod. Will ur idea and cable work the same way. Get a USB to USB type cable

  6. #6
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    Good question, I've never seen that connection and I've never owned an iPod so I don't know how they work. When you plug your ipod into that port, can you control the ipod from the car stereo and does it show artist/track/etc information on the dash? If it's just accessing the ipod as a mass storage device, then I would say it won't work.

  7. #7
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    yea thats the thing. i dont know. it does show the artist track and song and all that and i can go and search threw from my headunit from what song and or artist i want to play. and i also can plug a regular Flash drive into the USB port and play MP3's off of it. so maybe it is pulling things like a massstorage device. not totaly sure.

  8. #8
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    This sounds exactly like what i want to do. Is there any chance you could dig yours out, even just for me to look at to get an idea about how it worked?

    I'm a programmer by day, but this isn't the kind of thing i'd normally do and have been struggling making a decent start at this but once i got the ball rolling would hopefully stick at it. I've just recently got the car and my previous car didnt have ipod controls so it was always just something i wanted but now its something i could actually have.

  9. #9
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    I'll see about digging it out

  10. #10
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    Sounds good hope u have good luck with getting up and running again. If I knew how to write software I would definitely help you.

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