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Old 12-12-2009, 12:14 AM   #1
timxu
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Registered: Dec 2009
Posts: 1

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How to code a host application to talk to a HID device in Debian Linux


Hi All,
I got a trouble about communicating between host application and HID device (with a button) in a embedded Debian Linux OS. The both of them are working fine on ubuntu. When I insert my HID device on my embedded debian linux Unit, following message show up:
# usb 1-1: new low speed USB device using ehci_marvell and address 3
usb 1-1: configuration #1 chosen from 1 choice
HID device not claimed by input or hiddev

and in /dev folder some usbdev files are generated:
usbdev1.3
usbdev1.3_ep00
usbdev1.3_ep02
usbdev1.3_ep81
usbdev1.3_ep83

When I run my host app, and press the button, no any data transferring happened (check with CATc captured data). I know the host app run fine on uBuntu, because I know how to open /dev/usb/hiddev0 in my code. I don't know how to open this kind of file in debian linux. I tried use each files above, the button still doesn't work. Can anyone help me to point out if it is HID driver issue or coding issue.

Thanks
 
Old 12-12-2009, 04:57 PM   #2
worm5252
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Registered: Oct 2004
Location: Atlanta
Distribution: CentOS, RHEL, HP-UX
Posts: 565

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Not sure how to fix this, but is the HID device identified if you run lsusb?
 
  


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