On Sat, May 29, 2010 at 11:07 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> On Sat, 29 May 2010, David Brownell wrote:
>
>> --- On Sat, 5/29/10, Danny Milosavljevic <danny_milo@xxxxxxxxx> wrote:
>>
>>
>> > ** UNRECOGNIZED:
>> > 09 21 10 01 00 01 22 24 00
>>
>> Because that code doesn't recognize
>> descriptor type 0x21 at that location
>> in a configuration descriptor.
>>
>> Without further investigation, I couldn't
>> say if that's a bug in the descriptor or
>> is instead something "lsusb" should have
>> been able to decode.
>
> According to include/linux/usb/ch9.h, descriptor type 0x21 is
> USB_DT_WIRE_ADAPTER. I guess that's from the Wireless USB spec, but I
> don't know what it means.
>
> Anyway, it's not widely used at the moment so it's not surprising that
> lsusb doesn't recognize it.
>
I think this has nothing to do with Wireless USB. I just
tried it for a simple Logitech Mouse. And same thing happens.
Then I tried PICKit 2, it has same problem. I think there is
an issue with the lsusb descriptor parser for the HID device.
And Google has many more such samples.
mcuee@ubuntu64-laptop:~$ lsusb -vvv -d 046d:c058
Bus 003 Device 002: ID 046d:c058 Logitech, Inc.
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 0xc058
bcdDevice 54.00
iManufacturer 1 Logitech
iProduct 2 USB Optical 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 98mA
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
** UNRECOGNIZED: 09 21 11 01 00 01 22 43 00
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0006 1x 6 bytes
bInterval 10
Device Status: 0x0000
(Bus Powered)
Bus 003 Device 007: ID 04d8:0033 Microchip Technology, Inc.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x04d8 Microchip Technology, Inc.
idProduct 0x0033
bcdDevice 0.02
iManufacturer 1 Microchip Technology Inc.
iProduct 2 PICkit 2 Microcontroller Programmer
iSerial 3 pk2new
bNumConfigurations 2
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 41
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 2 PICkit 2 Microcontroller Programmer
bmAttributes 0x80
(Bus Powered)
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0 No Subclass
bInterfaceProtocol 0 None
iInterface 0
** UNRECOGNIZED: 09 21 01 00 00 01 22 1d 00
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 2
iConfiguration 4
bmAttributes 0x80
(Bus Powered)
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 1
The USB descriptor of PICKit 2 is like this (from the firmware source code).
/** C O N S T A N T S ************************************************/
#pragma romdata
/* Device Descriptor */
rom USB_DEV_DSC device_dsc=
{
sizeof(USB_DEV_DSC), // Size of this descriptor in bytes
DSC_DEV, // DEVICE descriptor type
0x0200, // USB Spec Release Number in BCD format
0x00, // Class Code
0x00, // Subclass code
0x00, // Protocol code
EP0_BUFF_SIZE, // Max packet size for EP0, see usbcfg.h
0x04D8, // Vendor ID = 1240
0x0033, // Product ID = 51
0x0002, // Device release number in BCD format
0x01, // Manufacturer string index
0x02, // Product string index
SERIAL_UNITID_DSC, // Device serial number string index
0x02 // Number of possible configurations
};
/* Configuration 1 Descriptor */
CFG01={
/* Configuration Descriptor */
sizeof(USB_CFG_DSC), // Size of this descriptor in bytes
DSC_CFG, // CONFIGURATION descriptor type
sizeof(cfg01), // Total length of data for this cfg
1, // Number of interfaces in this cfg
1, // Index value of this configuration
2, // Configuration string index
_DEFAULT, // Attributes, see usbdefs_std_dsc.h
50, // Max power consumption (2X mA)
/* Interface Descriptor */
sizeof(USB_INTF_DSC), // Size of this descriptor in bytes
DSC_INTF, // INTERFACE descriptor type
0, // Interface Number
0, // Alternate Setting Number
2, // Number of endpoints in this intf
HID_INTF, // Class code
0, // Subclass code
0, // Protocol code
0, // Interface string index
/* HID Class-Specific Descriptor */
sizeof(USB_HID_DSC), // Size of this descriptor in bytes
DSC_HID, // HID descriptor type
0x0001, // HID Spec Release Number in BCD format
0x00, // Country Code (0x00 for Not supported)
1, // Number of class descriptors, see usbcfg.h
DSC_RPT, // Report descriptor type
sizeof(hid_rpt01), // Size of the report descriptor
/* Endpoint Descriptor 1 in */
sizeof(USB_EP_DSC),
DSC_EP,
_EP01_IN,
_INT,
HID_INT_IN_EP_SIZE,
0x01,
/* Endpoint Descriptor 1 out */
sizeof(USB_EP_DSC),
DSC_EP,
_EP01_OUT,
_INT,
HID_INT_OUT_EP_SIZE,
0x01
};
/* Configuration 2 Descriptor */
CFG02={
/* Configuration Descriptor */
sizeof(USB_CFG_DSC), // Size of this descriptor in bytes
DSC_CFG, // CONFIGURATION descriptor type
sizeof(cfg02), // Total length of data for this cfg
1, // Number of interfaces in this cfg
2, // Index value of this configuration
4, // Configuration string index
_DEFAULT, // Attributes, see usbdefs_std_dsc.h
50, // Max power consumption (2X mA)
/* Interface Descriptor */
sizeof(USB_INTF_DSC), // Size of this descriptor in bytes
DSC_INTF, // INTERFACE descriptor type
0, // Interface Number
0, // Alternate Setting Number
2, // Number of endpoints in this intf
0xFF, // Class code (vendor defined)
0, // Subclass code
0, // Protocol code
0, // Interface string index
/* Endpoint Descriptor 1 in */
sizeof(USB_EP_DSC),
DSC_EP,
_EP01_IN,
_INT,
HID_INT_IN_EP_SIZE,
0x01,
/* Endpoint Descriptor 1 out */
sizeof(USB_EP_DSC),
DSC_EP,
_EP01_OUT,
_INT,
HID_INT_OUT_EP_SIZE,
0x01
};
rom struct{byte bLength;byte bDscType;word string[1];}sd000={
sizeof(sd000),DSC_STR,0x0409};
rom struct{byte bLength;byte bDscType;word string[25];}sd001={
sizeof(sd001),DSC_STR,
'M','i','c','r','o','c','h','i','p','
','T','e','c','h','n','o','l','o','g','y',' ','I','n','c','.'};
rom struct{byte bLength;byte bDscType;word string[35];}sd002={
sizeof(sd002),DSC_STR,
'P','I','C','k','i','t',' ','2','
','M','i','c','r','o','c','o','n','t','r','o','l','l','e','r','
','P','r','o','g','r','a','m','m','e','r'};
//rom struct{byte bLength;byte bDscType;word string[10];}sd003={
//sizeof(sd003),DSC_STR,
//'O','l','H','o', 's', 's', 'X', 0, 0, 0};
//rom struct{byte bLength;byte bDscType;word string[24];}sd004={
//sizeof(sd004),DSC_STR,
//'P','I','C','k','i','t',' ','2','
','C','o','n','f','i','g','u','r','a','t','i','o','n',' ','2'};
rom struct{byte report[29];}hid_rpt01={
0x06, 0x00, 0xFF, // Usage Page (Vendor Defined)
0x09, 0x01, // Usage (Vendor Usage)
0xA1, 0x01, // Collection (Application)
0x19, 0x01, // Usage Minimum (Vendor Usage = 1)
// 0x29, 0x08, // Usage Maximum (Vendor Usage = 8)
0x29, 0x40, // Usage Maximum (Vendor Usage = 64)
0x15, 0x00, // Logical Minimum (Vendor Usage = 0)
0x26, 0xFF, 0x00, // Logical Maximum (Vendor Usage = 255)
0x75, 0x08, // Report Size (Vendor Usage = 8)
// 0x95, 0x08, // Report Count (Vendor Usage = 8)
0x95, 0x40, // Report Count (Vendor Usage = 64)
0x81, 0x02, // Input (Data, Var, Abs)
0x19, 0x01, // Usage Minimum (Vendor Usage = 1)
// 0x29, 0x08, // Usage Maximum (Vendor Usage = 8)
0x29, 0x40, // Usage Maximum (Vendor Usage = 64)
0x91, 0x02, // Output (Data, Var, Ads)
0xC0}; // End Collection
rom const unsigned char *rom USB_CD_Ptr[]={&cfg01,&cfg02};
//rom const unsigned char *rom
USB_SD_Ptr[]={&sd000,&sd001,&sd002,&sd003,&sd004};
rom const unsigned char *rom USB_SD_Ptr[]={&sd000,&sd001,&sd002};
--
Xiaofan http://mcuee.blogspot.com
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