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SubjectRe: Can you use the USB HID interface within a driver?
>> Or perhaps someone could point me in the direction of a USB HID driver 
>> that does things "properly" already?
>
> Please post "lsusb -v" for your device.

Here's the output. I don't think any of the "class" drivers are
suitable, except as templates for interfacing with the main HID code...I
think...

Bus 008 Device 002: ID 1044:4001 Chu Yuen Enterprise Co., Ltd
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x1044 Chu Yuen Enterprise Co., Ltd
idProduct 0x4001
bcdDevice 1.01
iManufacturer 1 GIGABYTE TECHNOLOGY
iProduct 2 GBT 800W PSU
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 34
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xa0
(Bus Powered)
Remote Wakeup
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0 No Subclass
bInterfaceProtocol 0 None
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.10
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 32
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 10
Device Status: 0x0000
(Bus Powered)


Cheers,
Adam.



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