Well, it loads and leaves the following traces in the logfiles:
[ 4535.674596] gadgetfs: USB Gadget filesystem, version 24 Aug 2004
but I did not get it to work. I've tried to use the following example [1],
but it does not compile. Even if it would compile, I do not understand the
program as "my_hid" structure that one is supposed to copy into this
program is never used anywhere in the associated snippet. And still it
relies on /dev/hidX to be present, which on my machine is not there.
I've also tried the code found on [2] but this does not work because
/dev/gadget/ep0 etc. is not present. (The program did not even branch into
the "else if (stat (DEVNAME = "musb_hdrc", &statb) == 0) {" branch. I had
to manually force it there).
Trying to create the nodes with "mknod ep1in c 240 1" resulted "mknod:
`ep1in`: Operation not permitted".
Could somebody please provide me with a (concise) example of how to use my
beaglebone black as a hid (mouse or keyboard) device? I would be really
grateful.
Thank you
This is an excerpt from the boot log about loading the musb-hdrc driver:
Jan 01 01:36:03 beaglebone kernel: usbcore: registered new interface driver
cdc_acm
Jan 01 01:36:03 beaglebone kernel: cdc_acm: USB Abstract Control Model
driver for USB modems and ISDN adapters
Jan 01 01:36:03 beaglebone kernel: Initializing USB Mass Storage driver...
Jan 01 01:36:03 beaglebone kernel: usbcore: registered new interface driver
usb-storage
Jan 01 01:36:03 beaglebone kernel: USB Mass Storage support registered.
Jan 01 01:36:03 beaglebone kernel: musb-hdrc: version 6.0, ?dma?, otg
(peripheral+host)
Jan 01 01:36:03 beaglebone kernel: musb-hdrc musb-hdrc.0.auto: pdev->id = 0
Jan 01 01:36:03 beaglebone kernel: musb-hdrc musb-hdrc.0.auto:
drivers/usb/musb/musb_dsps.c:468 dsps_musb_init: OK
Jan 01 01:36:03 beaglebone kernel: musb-hdrc musb-hdrc.0.auto: *** mode=3
Jan 01 01:36:03 beaglebone kernel: musb-hdrc musb-hdrc.0.auto: *** power=250
Jan 01 01:36:03 beaglebone kernel: musb-hdrc musb-hdrc.1.auto: pdev->id = 1
Jan 01 01:36:03 beaglebone kernel: musb-hdrc musb-hdrc.1.auto:
drivers/usb/musb/musb_dsps.c:468 dsps_musb_init: OK
Jan 01 01:36:03 beaglebone kernel: musb-hdrc musb-hdrc.1.auto: *** mode=1
Jan 01 01:36:03 beaglebone kernel: musb-hdrc musb-hdrc.1.auto: *** power=250
Jan 01 01:36:03 beaglebone kernel: musb-hdrc musb-hdrc.1.auto: MUSB HDRC
host driver
Jan 01 01:36:03 beaglebone kernel: musb-hdrc musb-hdrc.1.auto: new USB bus
registered, assigned bus number 1
Jan 01 01:36:03 beaglebone kernel: usb usb1: New USB device found,
idVendor=1d6b, idProduct=0002
Jan 01 01:36:03 beaglebone kernel: usb usb1: New USB device strings: Mfr=3,
Product=2, SerialNumber=1
Jan 01 01:36:03 beaglebone kernel: usb usb1: Product: MUSB HDRC host driver
Jan 01 01:36:03 beaglebone kernel: usb usb1: Manufacturer: Linux 3.8.13
musb-hcd
[1] https://www.kernel.org/doc/Documentation/usb/gadget_hid.txt
[2] http://www.linux-usb.org/gadget/usb.c
On Monday, December 16, 2013 4:20:19 AM UTC+1, [email protected] wrote:
>
> If you've gotten gadgetfs to load then you're good. Your software just
> creates files in the /dev/gadgetfs folder to communicate with the usb
> device. Its all user space from here on.
>
> On Wednesday, November 20, 2013 9:17:27 AM UTC-5,
> [email protected] wrote:
>>
>> Hi Steve,
>>
>> could you please help me out with this problem? So far I've tried using
>> gadgetfs on the angstrom (v2012.12, kernel 3.8.13) on the beagleboard black.
>> I can succesfully modprobe g_zero after forcefully removing g_multi
>> (which acts as a usb-network interface to the computer, as well as a
>> storage device).
>> Whenever I try to load (modprobe) g_hid, i only get the error message
>> "ERROR: could not insert 'g_hid': No such device".
>> Modprobing gadgetfs gives me the following message in the syslog
>> "gadgetfs: USB Gadget filesystem, version 24 Aug 2004" and creating a dir
>> called /dev/gadget (mkdir -p /dev/gadget), then mounting it to the gadgetfs
>> filesystem (mount -t gadgetfs gadgetfs /dev/gadget)
>> gives me the following device
>> /dev/gadget/musb-hdrc but I do not know what to do with it.
>>
>> Thanks in advance.
>>
>> Regards
>> Felix
>>
>> On Wednesday, September 25, 2013 6:20:13 PM UTC+2, Steve French wrote:
>>>
>>> Felix,
>>> I can help you figure this out if you want, but it begs the
>>> question...why not do this with something like a Teensy2 for half the
>>> price? The Teensy2 would be perfect for this. There are example projects
>>> that could get you doing exactly this within a few minutes of taking the
>>> Teensy2 out of the box!
>>> thx!
>>> -frenchy
>>>
>>> --
>>> Respectfully,
>>> Steve French
>>> 800.664.7256.office
>>>
>>> President, Volt Vision
>>> www.voltvision.com
>>>
>>>
>>> On Monday, September 23, 2013 2:21:40 PM UTC-4,
>>> [email protected] wrote:
>>>>
>>>> Hello,
>>>>
>>>> I'm currently looking for help/information regarding the possibility to
>>>> use the Beaglebone Black as an external device (attached to a computer via
>>>> USB) emulating a mouse (USB HID Device). The BBB should register with the
>>>> computer as normal mouse and send eg. random movements to it.
>>>> My questions are the following:
>>>> 1. Is this theoretically possible?
>>>> 2. How would I achieve this? (So far I've searched for "USB HID mouse
>>>> BBB emulation", but have only come up with solutions for arduinos)
>>>> 3. Is there maybe an tutorial on this?
>>>> 4. Is there an API for this?
>>>> 5. Could someone provide me with a short example program?
>>>>
>>>> Thank you very much in advance.
>>>>
>>>> WIth kind regards
>>>> Felix
>>>>
>>>>
--
For more options, visit http://beagleboard.org/discuss
---
You received this message because you are subscribed to the Google Groups
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
For more options, visit https://groups.google.com/groups/opt_out.
