On Mon, Jun 11, 2012 at 9:44 PM, Pete Batard <p...@akeo.ie> wrote:
> Tarball archive at
> https://sourceforge.net/projects/libusbx/files/releases/1.0.12/source/
>
> If possible please test the archive and report issues or potential
> enhancements.
Just tested under Windows XP using Cygwin and MinGW
and it seems to work fine, even with a mouse, nice.
The warning is of course valid since this is a mouse.
One minor thing is that "USB 1.0 LowSpeed" is a bit
misnomer. I think "USB LowSpeed" is a bit better, it is even
better to use bcdUSB value (2.00 --> USB 2.0, 1.10 --> USB 1.1).
But again this is a popular misnomer anyway so I do not
think it is important to change.
bash-4.1$ ./xusb.exe 046d:c016
Using libusbx v1.0.12.10528
Opening device...
libusbx: warning [hid_open] could not open HID device in R/W mode (keyboard or m
ouse?) - trying without
bus: 2, port path from HCD: 1->2->1->3
speed: 1.5 Mbit/s (USB 1.0 LowSpeed)
Reading device descriptor:
length: 18
device class: 0
S/N: 0
VID:PID: 046D:C016
bcdDevice: 0340
iMan:iProd:iSer: 1:2:0
nb confs: 1
Reading configuration descriptors:
nb interfaces: 1
interface[0]: id = 0
interface[0].altsetting[0]: num endpoints = 1
Class.SubClass.Protocol: 03.01.02
endpoint[0].address: 81
max packet size: 0004
polling interval: 0A
Claiming interface 0...
Reading string descriptors:
String (0x01): "Logitech"
String (0x02): "Optical USB Mouse"
Releasing interface 0...
Closing device...
BTW, this is usbutils under Cygwin and you can see that
bcdUSB is 2.00. Now that libusbx supports HID device
under Windows, it will work properly with HID device. It is
not that easy to build usbutils under Windows so I provide
the Cygwin binary here and it works with the RC.
http://code.google.com/p/picusb/downloads/detail?name=usbutils_005_cygwin.zip
bash-4.1$ lsusb -v -d 046d:c016
Bus 002 Device 006: ID 046d:c016 Logitech, Inc. Optical Wheel Mouse
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x046d Logitech, Inc.
idProduct 0xc016 Optical Wheel Mouse
bcdDevice 3.40
iManufacturer 1 Logitech
iProduct 2 Optical USB Mouse
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 1 Boot Interface Subclass
bInterfaceProtocol 2 Mouse
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.10
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 52
Warning: incomplete report descriptor
Report Descriptor: (length is 20)
Item(Global): Usage Page, data= [ 0xa0 0xff ] 65440
(null)
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Main ): Collection, data= [ 0x01 ] 1
Application
Item(Local ): Usage, data= [ 0x01 ] 1
(null)
Item(Global): Logical Minimum, data= [ 0x00 ] 0
Item(Global): Logical Maximum, data= [ 0xff ] 255
Item(Global): Report Size, data= [ 0x08 ] 8
Item(Global): Report Count, data= [ 0x04 ] 4
Item(Main ): Input, data= [ 0x00 ] 0
Data Array Absolute No_Wrap Linear
Preferred_State No_Null_Position
Non_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 0x0004 1x 4 bytes
bInterval 10
Device Status: 0xc9b0
(Bus Powered)
--
Xiaofan
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