1 .\" $NetBSD: uhid.4,v 1.13 2001/12/29 14:41:59 augustss Exp $
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44 .Nd USB generic HID support
50 driver provides support for all HID (Human Interface Device) interfaces
51 in USB devices that do not have a special driver.
53 The device handles the following
56 .Bl -tag -width indent
57 .It Dv USB_GET_REPORT_ID Pq Vt int
58 Get the report identifier used by this HID report.
59 .It Dv USB_GET_REPORT_DESC Pq Vt "struct usb_ctl_report_desc"
60 Get the HID report descriptor.
62 this descriptor the exact layout and meaning of data to/from
63 the device can be found.
64 The report descriptor is delivered
65 without any processing.
67 struct usb_ctl_report_desc {
69 u_char data[1024]; /* filled data size will vary */
72 .It Dv USB_SET_IMMED Pq Vt int
73 Sets the device in a mode where each
75 will return the current value of the input report.
79 will only return the data that the device reports on its
81 This call may fail if the device does not support
83 .It Dv USB_GET_REPORT Pq Vt "struct usb_ctl_report"
84 Get a report from the device without waiting for data on
88 field indicates which report is requested.
90 .Dv UHID_INPUT_REPORT ,
91 .Dv UHID_OUTPUT_REPORT ,
93 .Dv UHID_FEATURE_REPORT .
94 This call may fail if the device does not support this feature.
96 struct usb_ctl_report {
98 u_char data[1024]; /* used data size will vary */
101 .It Dv USB_SET_REPORT Pq Vt "struct usb_ctl_report"
102 Set a report in the device.
105 field indicates which report is to be set.
107 .Dv UHID_INPUT_REPORT ,
108 .Dv UHID_OUTPUT_REPORT ,
110 .Dv UHID_FEATURE_REPORT .
111 This call may fail if the device does not support this feature.
116 to get data from the device.
117 Data should be read in chunks of the
118 size prescribed by the report descriptor.
122 to send data to the device.
123 Data should be written in chunks of the
124 size prescribed by the report descriptor.
126 .Bl -tag -width ".Pa /dev/uhid?"
139 This manual page was adopted from
142 .An Tom Rhodes Aq trhodes@FreeBSD.org