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Usb otg

Discussion in 'Android Devices' started by OverByter, Aug 21, 2012.

  1. OverByter

    OverByter Resident Slide Rule Guru
    Thread Starter

    Does anyone know of any rom that supports usb otg host mode?
     


    jvillejoe likes this.

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  2. jvillejoe

    jvillejoe Android Enthusiast

    I thought 3.0.x and up supported it. Do you have a "on the go" usb wire that you have tried, with the phone? Same goes for hid support too. I thought, anything honeycomb and up supports that as well. Not unless, it has to be turned on like some other devices.

    This video is in another language, but they have it running on a 3D, so I would assume the same goes for our phone.

    http://www.youtube.com/watch?v=CZjtHMaUzaM

    Here is a "how to" on making a otg usb cable.

    http://www.youtube.com/watch?v=COkLEJGo6vo&feature=related
     
  3. jdt265

    jdt265 Newbie

    It works on CM9 0.7.4 with Anthrax kernel
     
  4. jvillejoe

    jvillejoe Android Enthusiast

    Yeah, looked it up on my hd2, and its kernel related.
     
  5. Leslie Ann

    Leslie Ann Android Expert

    All research I have done points to only hardware V1 having support for it. You still need a kernel with support (Anthrax does I think), and a rom that supports it (no current ones that I know of). Worse, all of our phones are Hardware V2.

    I have an OTG cable, but I have yet to get it to work (I haven't put a lot of effort in yet).
     
    jvillejoe and OverByter like this.
  6. koopakid08

    koopakid08 Android Expert

    I think I saw some posts on anthrax forums that someone got it working on hardware v2.
     
  7. jdt265

    jdt265 Newbie

    I'm on hw0002 and it is working. Needs to have a powered usb hub or in my case I made a y cable and powered it with the phone charger
     
  8. jvillejoe

    jvillejoe Android Enthusiast

    What kernel are you using? and rom? Mind snapping a shot of the cable you made? I would like to connect to my tv but sense the micro usb doubles as the hdmi I am not sure how to go about this.
     
  9. Leslie Ann

    Leslie Ann Android Expert

    I'm VERY interested in your setup, please post it.

    It would (possibly) mean carrying a bit less to work if that functioned.
     
  10. OverByter

    OverByter Resident Slide Rule Guru
    Thread Starter

    Yes, please post your setup. I am really interested in using my usb dac/amp with my phone.
     
  11. jdt265

    jdt265 Newbie

    Using CM9 DT0.7.4 Anthrax kernal 3.2
    In /system/ect/vold.fstab you will need to add

    dev_mount usb /mnt/sdcard/usb auto /devices/platform/msm_hsusb_host.0/usb1

    and add usb folder to /mnt/sdcard


    For the power side of the cable do not connect the shielding green and white wires it interferes with usb connection technically you only need the red and black wires for the power supply.
     

    Attached Files:

    OverByter, Leslie Ann and jvillejoe like this.
  12. Leslie Ann

    Leslie Ann Android Expert

    Still no luck on mine.
    I will have to mess with some cables tomorrow and see.
     
  13. haro138

    haro138 Well-Known Member

    Tried this with the new mobster rom and the 3.2 anthrax kernel and it didnt work im trying to connect a pen drive with a usb female to micro male. Has anyone else been able to do this?
     
  14. qu4ttro

    qu4ttro Well-Known Member

    You need to splice in a power cable, as in jdt's pic. The phone won't power the USB device.
     
  15. koopakid08

    koopakid08 Android Expert

    Couldn't you just use a powered usb hub instead?
     
  16. Leslie Ann

    Leslie Ann Android Expert

    Did that with two cables, CM9 and the added line, no luck.

    Still something missing.
     
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