KeyAT Keyboard Port Adapter
L3 Systems
19
5/19/2007
Chaining Strings
EEPROM strings may be ‘chained’ for longer key sequences. To
do this, put the (~EEnn) for the next string. Be careful not to
generate an unending loop using this feature. The following
example shows a string with a DIR command chained to
another string with a 3 second delay and then the VER
command. These two commands could both be in one string,
but have been separated to simply illustrate the chain feature.
Example:
:~EW01DIR^M~EE02<ENTER>
(Loads string 01)
:~EW02~Z03VER^M<ENTER>
(Loads string 02)
:~EE01<ENTER>
(Executes string 01 & string 2)
:
AUTOEXEC String
The EEPROM string 00 is special string that can be executed
when the keyboard receives a reset from the PC. This reset
generally occurs when the system is re-booted, so it can be
used to initialize the PC and/or initialize the KeyAT. To be
recognized as a autoexec boot string, the string must begin
with a ~Znn command. If commands are to be sent to the PC,
make sure that the ~Znn delay is longer than the time it
takes to boot the operating system. If booting is especially
long, multiple ~Znn commands can be used.
The following shows an autoexec string that allows 30 seconds
to boot, sets the KeyAT turn-around delay to 50 milliseconds,
and executes a command on the PC named “INIT”.
Example:
:~EW00~Z30~P50INIT^M<ENTER>
(Loads string 00)
:~ER00<ENTER>~Z30~P50INIT^M
(Displays string 01)
:
Содержание KeyAT
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