<<<<<<<<<<<<<<<<<hpbbox(devices) Animation hpbbox(devices)
NAME
hpbbox - HP 32 button, button box controller
DESCRIPTION
The hpbbox class communicates with an HP 32 button, button
box over the HP HIL interface. Each one of the 32 button
(0-31) can have a LYMB action associated with it. When a
button is pressed, the appropriate action is executed.
SUPERCLASS
object
MESSAGES
key=
Specifies the current key to be set or queried.
key?
Returns the current key.
action=, activate_action=
Specifies the name of the action to be associated
with the current key.
action?, activate_action?
Returns the name of the action associated with the
current key.
on!
Starts the processing of events generated by the
button box keys
off!
Stops the processing of button box events
serial_port=
Sets the serial port that the workstation communicates to the button box over.
serial_port?
Gets the serial port that the workstation communicates to the button box over.
error?
Returns 0 for no error, 1 for error, and 2 for
warning
error_message?
Returns a description of the last error
free!
Closes connection to button box and frees the
instance.
EXAMPLES
This example creates an action and then specifies a button
box key that will execute this action. When the top, left
key on the button box is pressed, a tick! will be sent to
the some_action action.
actions new: some_action
tick_actions = `some_action print!;'
;
hpbbox new: bbox
key=0 activate_action=some_action
on!
;
SEE ALSO
The $LYMB_ROOT/scripts/devices directory contains a script
`bbox_ui.scr' which creates a MOTIF interface that looks
like the HP button box. The interface allows either mouse
clicks or selections on the button box to execute actions.
Please send comments and suggestions toconsult@rpi.edu