"SV" == Sergey Vlasov writes:
>> Report Descriptors: ** UNAVAILABLE **
SV> To get full "lsusb -v" output for a HID device, you need to
SV> unload the usbhid module. Be careful if you also have an USB
SV> keyboard - you will need to enter all commands on one line:
SV> rmmod usbhid; lsusb -v >lsusb.log; modprobe usbhid
here is the output for this device:
============================================================================
Bus 006 Device 029: ID 0665:5161
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x0665
idProduct 0x5161
bcdDevice 0.02
iManufacturer 1 Cypress Semiconductor
iProduct 2 USB to Serial
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 34
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 3
bmAttributes 0x80
(Bus Powered)
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Devices
bInterfaceSubClass 0 No Subclass
bInterfaceProtocol 0 None
iInterface 4 Sample HID
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.00
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 27
Report Descriptor: (length is 27)
Item(Global): Usage Page, data= [ 0x00 0xff ] 65280
(null)
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Collection, data= [ 0x01 ] 1
Application
Item(Local ): Usage, data= [ 0x02 ] 2
(null)
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Report Count, data= [ 0x08 ] 8
Item(Main ): Input, data= [ 0x82 ] 130
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Volatile Bitfield
Item(Local ): Usage, data= [ 0x02 ] 2
(null)
Item(Global): Report Count, data= [ 0x08 ] 8
Item(Main ): Output, data= [ 0x82 ] 130
Data Variable Absolute No_Wrap Linear
Preferred_State No_Null_Position Volatile Bitfield
Item(Main ): End Collection, data=none
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 32
Device Status: 0x0000
(Bus Powered)
============================================================================
>> i.e. the usbhid module gets loaded and it gets control over the
>> USB port (instead of thecypress_m8 driver), and creates the device
>> node /dev/usb/hiddev0
SV> This would be normal for an UPS with USB interface, if the device
SV> name would not contain "USB to Serial"...
yup - but it does contain "USB to Serial" so it should appear as a
plain serial port device node?
>> my question is - could the cypress_m8 driver (or other driver) be
>> used with this controller (device id is 0665:5161) to make it look
>> as a plain serial device?
SV> I have tried to do this with an Ippon SmartWinner 1000 (don't
SV> remember the exact device ID) by adding the device ID to the
SV> table in cypress_m8, but it did not work - apparently this device
SV> is different. Actually, it was even worse than "does not work" -
SV> I have got a kernel oops in cypress_m8; I had no time to debug
SV> this, and just attached the UPS to a serial port.
maybe i'll have to do that too, but i hope that this problem could be
solved and it would be possible to use USB... :)
Best,
v.
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