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SETKEYCODES !!!SETKEYCODES NAME SYNOPSIS DESCRIPTION THEORY OPTIONS BUGS SEE ALSO ---- !!NAME setkeycodes - load kernel scancode-to-keycode mapping table entries !!SYNOPSIS __setkeycodes__ ''scancode keycode [[scancode keycode ... ]'' !!DESCRIPTION The __setkeycodes__ command reads its arguments two at a time, each pair of arguments consisting of a scancode (given in hexadecimal) and a keycode (given in decimal). For each such pair, it tells the kernel keyboard driver to map the specified scancode to the specified keycode. This command is useful only for people with slightly unusual keyboards, that have a few keys which produce scancodes that the kernel does not recognize. !!THEORY The usual PC keyboard produces a series of scancodes for each key press and key release. (Scancodes are shown by __showkey -s__, see showkey(1).) The kernel parses this stream of scancodes, and converts it to a stream of keycodes (key press/release events). (Keycodes are shown by __showkey__.) Apart from a few scancodes with special meaning, and apart from the sequence produced by the Pause key, and apart from shiftstate related scancodes, and apart from the key up/down bit, the stream of scancodes consists of unescaped scancodes xx (7 bits) and escaped scancodes e0 xx (8+7 bits). It is hardwired in the current kernel that in the range 1-88 (0x01-0x58) keycode equals scancode. For the remaining scancodes (0x59-0x7f) or scancode pairs (0xe0 0x00 - 0xe0 0x7f) a corresponding keycode can be assigned (in the range 1-127). For example, if you have a Macro key that produces e0 6f according to showkey(1), the command __setkeycodes__ e06f 112 will assign the keycode 112 to it, and then loadkeys(1) can be used to define the function of this key. !!OPTIONS None. !!BUGS The keycodes of X have nothing to do with those of Linux. Unusual keys can be made visible under Linux, but not under X. !!SEE ALSO dumpkeys(1), loadkeys(1), showkey(1), getkeycodes(8). ----
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