Hi Colin,
Check out the FAQ at http://www.linux-usb.org, about reporting
bugs.
regards,
Stephen.
On Tue, 30 Aug 2005, Colin Kuskie wrote:
> For internal usage at my work, they built a USB to 1-wire translator
> on top of a PIC. They assigned it the USB HID class and give it the
> a report descriptor for Vendor Usage 1 so that they wouldn't have to
> install any drivers on Windows. See below for the report descriptor in
> PIC ASM format, it's just byte codes.
>
> The thing worked great, including not needing to install drivers on
> user's desktops, and now I'd like to use it on my Linux box. However,
> when I plug it in, this is what I get (on FC3, kernel 2.6.12-1.1372):
>
>
> Aug 30 14:10:56 redwall kernel: usb 2-1: new low speed USB device using
> uhci_hcd and address 3
> Aug 30 14:11:01 redwall kernel: usb 2-1: unable to read config index 1
> descriptor/start
> Aug 30 14:11:01 redwall kernel: usb 2-1: can't read configurations, error -110
> Aug 30 14:11:01 redwall kernel: usb 2-1: new low speed USB device using
> uhci_hcd and address 4
> Aug 30 14:11:06 redwall kernel: usb 2-1: unable to read config index 1
> descriptor/start
> Aug 30 14:11:06 redwall kernel: usb 2-1: can't read configurations, error -110
> Aug 30 14:11:06 redwall kernel: usb 2-1: new low speed USB device using
> uhci_hcd and address 5
> Aug 30 14:11:11 redwall kernel: usb 2-1: unable to read config index 1
> descriptor/start
> Aug 30 14:11:11 redwall kernel: usb 2-1: can't read configurations, error -110
> Aug 30 14:11:11 redwall kernel: usb 2-1: new low speed USB device using
> uhci_hcd and address 6
> Aug 30 14:11:16 redwall kernel: usb 2-1: unable to read config index 1
> descriptor/start
> Aug 30 14:11:16 redwall kernel: usb 2-1: can't read configurations, error -110
> Aug 30 14:18:33 redwall kernel: usb 2-1: new low speed USB device using
> uhci_hcd and address 7
>
>
> Since this is my first post to the list, could someone please let me
> know the rules of list etiquette?
>
> What information is needed to debug this problem?
>
> What things can I try myself?
>
> Do I need to write my own driver in Linux to support the device?
>
> Thank you,
> Colin Kuskie
>
>
> ; ******************************************************************
> ; This table is polled by the host immediately after USB Reset has been
> released.
> ; This table defines the maximum packet size EP0 can take.
> ; See section 9.6.1 of the Rev 1.0 USB specification.
> ; These fields are application DEPENDENT. Modify these to meet
> ; your specifications.
> ; the offset is passed in P0 and P1 (P0 is low order byte).
> ; ******************************************************************
> Descriptions
> banksel EP0_start
> movf EP0_start+1,w
> movwf PCLATH
> movf EP0_start,w
> movwf PCL
>
> DeviceDescriptor
> StartDevDescr
> retlw 0x12 ; bLengthLength of this descriptor
> retlw 0x01 ; bDescType This is a DEVICE descriptor
> retlw 0x10 ; bcdUSBUSB revision 1.10 (low byte)
> retlw 0x01 ; high byte
> retlw 0x00 ; bDeviceClasszero means each interface
> operates independently
> retlw 0x00 ; bDeviceSubClass
> retlw 0x00 ; bDeviceProtocol
> retlw 0x08 ; bMaxPacketSize0 - inited in UsbInit()
> retlw 0xFA ; idVendor - 0x04FA is Dallas Semiconductor
> Vendor ID
> retlw 0x04 ; vendor high order byte
> retlw 0x23 ; idProduct = 0x9123
> retlw 0x91 ; product high order byte
> retlw 0x01 ; bcdDevice - Use this as the rev indicator.
> retlw 0x00
> retlw 0x01 ; iManufacturer - String Descriptor Index for
> Manufacturer
> retlw 0x02 ; iProduct - String Descriptor Index for Product
> retlw 0x00 ; iSerialNumber - 3
> retlw NUM_CONFIGURATIONS ; bNumConfigurations
>
> ; ******************************************************************
> ; This table is retrieved by the host after the address has been set.
> ; This table defines the configurations available for the device.
> ; See section 9.6.2 of the Rev 1.0 USB specification (page 184).
> ; These fields are application DEPENDENT.
> ; Modify these to meet your specifications.
> ; ******************************************************************
> Config1
> retlw 0x09 ; bLength Length of this descriptor
> retlw 0x02 ; bDescType 2=CONFIGURATION
> retlw EndConfig1 - Config1 ;wTotalLength
> retlw 0x00
> retlw 0x01 ; bNumInterfaces Number of interfaces
> retlw 0x01 ; bConfigValue Configuration Value
> retlw 0x03 ; iConfig String Index for this config =
> #03
> retlw 0x80 ; bmAttributes attributes - bus powered,
> remote wakeup disabled
> retlw 0x32 ; MaxPower 100mA
> Interface1
> retlw 0x09 ; length of descriptor
> retlw INTERFACE;
> retlw 0x00 ; number of interface, 0 based array
> retlw 0x00 ; alternate setting (default = 0)
> retlw 0x02 ; number of endpoints used in this interface
> (excluding endpoint 0)
> retlw 0x03 ; interface class (0x03 = HID)
> retlw 0x00 ; interface subclass (0x00 = not a boot device)
> retlw 0x00 ; interface protocol (0x00 = none)
> retlw 0x00 ; index to string descriptor that describes
> this interface
> HID_Descriptor
> retlw (Endpoint1 - HID_Descriptor) ; descriptor size
> retlw 0x21 ; descriptor type (HID)
> retlw 0x00 ; Low byte of HID class release number (1.00)
> retlw 0x01 ; High byte of HID class release number (1.00)
> retlw 0x00 ; Localized country code (none)
> retlw 0x01 ; # of HID class descriptor to follow (1)
> retlw 0x22 ; Report descriptor type (HID)
> retlw low (end_ReportDescriptor - ReportDescriptor)
> retlw high (end_ReportDescriptor - ReportDescriptor)
> Endpoint1
> retlw 0x07 ; length of descriptor
> retlw ENDPOINT ; Descriptor type
> retlw 0x81 ; Encoded Address: EP1, In
> retlw 0x03 ; Endpoint Attribute: Interrupt transfer
> retlw 0x08 ; max packet size (8 bytes) low order byte
> retlw 0x00 ; max packet size (8 bytes) high order byte
> retlw 0x0A ; polling interval (10ms)
> Endpoint2
> retlw 0x07 ; length of descriptor
> retlw ENDPOINT ; Descriptor type
> retlw 0x01 ; Encoded Address: EP1, OUT
> retlw 0x03 ; Endpoint Attribute: Interrupt transfer
> retlw 0x08 ; max packet size (8 bytes) low order byte
> retlw 0x00 ; max packet size (8 bytes) high order byte
> retlw 0x0A ; polling interval (10ms)
> EndConfig1
>
> ReportDescriptorLen
> retlw low (end_ReportDescriptor-ReportDescriptor)
> ReportDescriptor
> dt 0x06, 0xA0, 0xff ; USAGE_PAGE (Vendor Defined Page 1)
> dt 0x09, 0x01 ; USAGE (Vendor Usage 1)
> dt 0xa1, 0x01 ; COLLECTION (Application)
> ; INPUT REPORT
> dt 0x09, 0x01 ; USAGE (Vendor Usage 1)
> dt 0x15, 0x00 ; LOGICAL_MINIMUM (0)
> dt 0x26, 0xff, 0x00 ; LOGICAL_MAXIMUM (255)
> dt 0x75, 0x08 ; REPORT_SIZE (8 bits)
> dt 0x95, 0x08 ; REPORT_COUNT (8)
> dt 0x81, 0x02 ; INPUT (Data,Var,Abs)
> ; OUTPUT REPORT
> dt 0x09, 0x02 ; USAGE (Vendor Usage 2)
> dt 0x15, 0x00 ; LOGICAL_MINIMUM (0)
> dt 0x26, 0xff, 0x00 ; LOGICAL_MAXIMUM (255)
> dt 0x75, 0x08 ; REPORT_SIZE (8 bits)
> dt 0x95, 0x08 ; REPORT_COUNT (8)
> dt 0x91, 0x02 ; OUTPUT (Data,Var,Abs)
> dt 0xc0 ; END_COLLECTION
> end_ReportDescriptor
>
>
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--
/------------------------------------+-------------------------\
|Stephen J. Gowdy | SLAC, MailStop 34, |
|http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road, |
|http://calendar.yahoo.com/gowdy | Menlo Park CA 94025, USA |
|EMail: [EMAIL PROTECTED] | Tel: +1 650 926 3144 |
\------------------------------------+-------------------------/
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SF.Net email is Sponsored by the Better Software Conference & EXPO
September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices
Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
_______________________________________________
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