kbd(7)                     DG/UX 4.30                      kbd(7)



     NAME
          kbd - AViiON 300 series workstation system keyboard

     DESCRIPTION
          This device driver supports the system keyboard for the Data
          General AViiON 300 series workstations.  The device is
          accessed using the standard open, close, read, write, ioctl,
          and select system calls.  The system keyboard device may act
          as the physical system console for the DG/UX system
          depending on the system hardware configuration.  When acting
          as the physical system console, data from the keyboard is
          diverted to the syscon(7) pseudo-device whenever the kbd
          device has not been explicitly opened by a user process.
          Opening the system keyboard device prevents it from
          providing input to the system console pseudo-device.

          The open system call provides a handle to access the system
          keyboard.

          The close system call frees the handle to the system
          keyboard established by open.

          The read system call transfers keyboard data from the system
          keyboard to the user program.  Data output by the keyboard
          consists of raw scan codes, a unique code for each key.  A
          single byte scan code is generated for a key press and a two
          byte sequence (a break code byte and a scan code byte) is
          generated when the key is released.  This device does NOT
          provide the standard DG/UX terminal interfaces.

          The write system call is not supported for the system
          keyboard.

          The ioctl system call may be used with the following
          commands:

          KBD_RESET
               Resets the keyboard and keyboard leds.

          KBD_GET_LANGUAGE
               Returns the keyboard language in argument.

          KBD_TONE_LOW
               Sounds the keyboard bell tone.

          KBD_TONE_HIGH
               Sounds the keyboard bell tone.

          F_SETOWN
               Set ownership of kbd device to the group specified in
               argument.




     Licensed material--property of copyright holder(s)         Page 1

     kbd(7)                     DG/UX 4.30                      kbd(7)



          F_GETOWN
               Returns group owning the kbd device in argument.

          The select system call behaves the same as for tty(7)
          devices.

     FILES
          /dev/kbd  kbd device node
          /usr/include/sys/_int_dg_kbd_ioctl.h
                    keyboard ioctl commands

     SEE ALSO
          ioctl(2), fcntl(2), syscon(7).










































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