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