inb(); not reading charaters as expected Post: 302128132

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LEARN ABOUT BSD

usbkbm

usbkbm(7M)																usbkbm(7M)

NAME

       usbkbm - keyboard STREAMS module for Sun USB Keyboard

SYNOPSIS

       open("/dev/kbd", O_RDWR)

       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  key-
       board 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.

       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:

	      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

	      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

	   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.

FILES

       /kernel/strmod/usbkbm

	   32-bit ELF kernel STREAMS module ( platform only)

       /kernel/strmod/sparcv9/usbkbm

	   SPARC 64-bit ELF kernel STREAMS module

       See attributes(5) for a description of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Architecture		     |PCI-based  systems	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWusb			   |
       +-----------------------------+-----------------------------+

       dumpkeys(1), kbd(1), loadkeys(1), ioctl(2), keytables(4), attributes(5), hid(7D), usba(7D), virtualkm(7D), kb(7M)

       STREAMS Programming Guide

       System Administration Guide: Basic Administration

       http://www.sun.com/io

DIAGN0STICS
       None

								   27 June 2005 							usbkbm(7M)

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