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sysfs-driver-usb-usbtmc

sysfs-driver-usb-usbtmc 2.4 KB
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  1. What:		/sys/bus/usb/drivers/usbtmc/*/interface_capabilities
    2. 

  2. What:		/sys/bus/usb/drivers/usbtmc/*/device_capabilities
    3. 

  3. Date:		August 2008
    4. 

  4. Contact:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    5. 

  5. Description:
    6. 

  6. 		These files show the various USB TMC capabilities as described
    7. 

  7. 		by the device itself.  The full description of the bitfields
    8. 

  8. 		can be found in the USB TMC documents from the USB-IF entitled
    9. 

  9. 		"Universal Serial Bus Test and Measurement Class Specification
    10. 

  10. 		(USBTMC) Revision 1.0" section 4.2.1.8.
    11. 

  11. 

  12. 		The files are read only.
    13. 

  13. 

  14. 

  15. What:		/sys/bus/usb/drivers/usbtmc/*/usb488_interface_capabilities
    16. 

  16. What:		/sys/bus/usb/drivers/usbtmc/*/usb488_device_capabilities
    17. 

  17. Date:		August 2008
    18. 

  18. Contact:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    19. 

  19. Description:
    20. 

  20. 		These files show the various USB TMC capabilities as described
    21. 

  21. 		by the device itself.  The full description of the bitfields
    22. 

  22. 		can be found in the USB TMC documents from the USB-IF entitled
    23. 

  23. 		"Universal Serial Bus Test and Measurement Class, Subclass
    24. 

  24. 		USB488 Specification (USBTMC-USB488) Revision 1.0" section
    25. 

  25. 		4.2.2.
    26. 

  26. 

  27. 		The files are read only.
    28. 

  28. 

  29. 

  30. What:		/sys/bus/usb/drivers/usbtmc/*/TermChar
    31. 

  31. Date:		August 2008
    32. 

  32. Contact:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    33. 

  33. Description:
    34. 

  34. 		This file is the TermChar value to be sent to the USB TMC
    35. 

  35. 		device as described by the document, "Universal Serial Bus Test
    36. 

  36. 		and Measurement Class Specification
    37. 

  37. 		(USBTMC) Revision 1.0" as published by the USB-IF.
    38. 

  38. 

  39. 		Note that the TermCharEnabled file determines if this value is
    40. 

  40. 		sent to the device or not.
    41. 

  41. 

  42. 

  43. What:		/sys/bus/usb/drivers/usbtmc/*/TermCharEnabled
    44. 

  44. Date:		August 2008
    45. 

  45. Contact:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    46. 

  46. Description:
    47. 

  47. 		This file determines if the TermChar is to be sent to the
    48. 

  48. 		device on every transaction or not.  For more details about
    49. 

  49. 		this, please see the document, "Universal Serial Bus Test and
    50. 

  50. 		Measurement Class Specification (USBTMC) Revision 1.0" as
    51. 

  51. 		published by the USB-IF.
    52. 

  52. 

  53. 

  54. What:		/sys/bus/usb/drivers/usbtmc/*/auto_abort
    55. 

  55. Date:		August 2008
    56. 

  56. Contact:	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    57. 

  57. Description:
    58. 

  58. 		This file determines if the transaction of the USB TMC
    59. 

  59. 		device is to be automatically aborted if there is any error.
    60. 

  60. 		For more details about this, please see the document,
    61. 

  61. 		"Universal Serial Bus Test and Measurement Class Specification
    62. 

  62. 		(USBTMC) Revision 1.0" as published by the USB-IF.
    63.