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| STREAMS Modules | usbkbm(7M) |
| | usbkbm - keyboard STREAMS module for
Sun USB Keyboard |
SYNOPSIS
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The usbkbm STREAMS module processes
byte streams generated by a keyboard attached to a USB port. USB keyboard is a member
of Human Interface Device (HID) Class, and usbkbm only
supports the keyboard protocol defined in the specification. Definitions
for altering keyboard translation and reading events from the keyboard are
in <sys/kbio.h> and <sys/kbd.h>.
The usbkbm STREAMS
module adheres to the interfaces exported by kb(7M).
Refer to the DESCRIPTION section of kb(7M)
for a discussion of the keyboard translation modes and the IOCTL section for the supported ioctl(2)
requests.
IOCTLS
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USB Keyboard usbkbm
returns different values for the following ioctls than kb(7M):
-
KIOCTYPE
- This ioctl() returns a new keyboard
type defined for the USB keyboard. All types
are listed below:
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KB_SUN3 Sun Type 3 keyboard
KB_SUN4 Sun Type 4 keyboard
KB_ASCII ASCII terminal masquerading as keyboard
KB_PC Type 101 PC keyboard
KB_USB USB keyboard
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The USB keyboard type is KB_USB; usbkbm will return KB_USB in response to the KIOCTYPE ioctl.
-
KIOCLAYOUT
- The argument is a pointer to an int. The layout code specified by the bCountryCode
value returned in the HID descriptor is returned
in the int pointed to by the argument. The countrycodes
are defined in 6.2.1 of the HID 1.0 specifications.
-
KIOCCMD
-
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KBD_CMD_CLICK/KBD_CMD_NOCLICK
- The kb(7M)
indicates that inappropriate commands for particular keyboards are ignored.
Because clicking is not supported on the USB
keyboard, usbkbm ignores this command
-
KBD_CMD_SETLED
- Set keyboard LEDs. Same as kb(7M).
-
KBD_CMD_GETLAYOUT
- The country codes defined in 6.2.1 of the HID 1.0 specification are returned.
-
KBD_CMD_BELL/KBD_CMD_NOBELL
- This command is supported although the USB keyboard does not have a buzzer. The request
for the bell is rerouted.
-
KBD_CMD_RESET
- There is no notion of resetting the keyboard as there
is for the type4 keyboard. usbkbm ignores this command
and does not return an error.
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See attributes(5)
for a description of the following attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| Architecture | PCI-based systems |
| Availability | SUNWusb, SUNWusbx |
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