PortA reset zero after USBINIT / Service ?


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  1. #1
    Join Date
    Jun 2006
    Posts
    13

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    Hi mister_e,

    are you from Melab, because u wrote it like u are ?

    Now i can say that this failure only appears if I use composite devices.
    Such as keyboard and mouse. Therefore I modified the the usb18.asm
    a little bit, because melab don't support composite. (reportdescriptor x2)
    The device works good but not the 1-2 seconds after plugin in.
    Seems like it do some reset or overwrites something.

    Have you done something like this before ?

    regards
    sirnoname

    ps. 18f2455, 2550 ...
    www.x-sim.de
    freeware simulator software
    with real MS Force Feedback solution

  2. #2
    Join Date
    Sep 2004
    Location
    montreal, canada
    Posts
    6,898

    Default

    Nope i'm not from Melabs. I'm just a long time enthusiast and user

    Interesting problem so far... nope i never tried the composite stuff in my lasts USB projects... but it's sounds interesting. if you want, post it here for the community and experts benefit or in ZIP on my e-mail.
    Steve

    It's not a bug, it's a random feature.
    There's no problem, only learning opportunities.

  3. #3
    Join Date
    Jun 2006
    Posts
    13

    Default

    Done now, some mistake in the asm firmware solved.
    Now i have 1xCDC, 4xHID working at same time in one device.

    Seems the chip dont like twice endpoint resets

    cu
    www.x-sim.de
    freeware simulator software
    with real MS Force Feedback solution

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