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BananaPro for USB Gadget

黄达
in Beginners

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I am building a media player using BananaPro (also called BananaPi M1+?).

I am doing:

 

1. Burn a SDCard.

2. Boot and set user and password.

3. Enable USB Massage Storage

        insmode g_mass_storage.ko file=a_sdcard_partition_or_a_big_file removable=1

        echo "2" >/sys/bus/platform/devices/sunxi_usb_udc/otg_role

stuck here

4. Install a media player and get H264 HW decoder working

5. ...

 

And I found that /sys/bus/platform/devices/sunxi_usb_udc/otg_role is not exist.

Than edited usb@01c13000 part in dtb file to change status = "disabled" to  change status = "okay", and the board would not boot any more.

I do not have a HDMI display, So I did those through SSH.I do not know what is happening.

 

I think that "disabled" there must be for a reason. So what shall I do to make USB gadget to work? Should I try another kernel, or try to compile some module?

    

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