3M M2256PW Benutzerhandbuch
36
3M™ Multi-touch Display M2256PW User Guide
3M Touch Systems, Inc. Proprietary Information – 37531 Rev D
Description:
This is the default mode of operation at power up. Touch reports include
touchdown and liftoff events as well as continuing touches.
touchdown and liftoff events as well as continuing touches.
Name Command
Syntax:
<SOH>NM<CR>
Response:
<SOH>0<CR> Positive response.
Description:
Returns a name string
Null Command
Syntax:
<SOH>Z<CR>
Response:
<SOH>0<CR> Positive response.
Description:
Queries the controller and waits for a response.
Use Z to determine that you are communicating with the controller or to make sure that a
utility is communicating with the controller. Using this command does not affect the
controller’s current operating parameters.
utility is communicating with the controller. Using this command does not affect the
controller’s current operating parameters.
Output Identity
Syntax:
<SOH>OI<CR>
Response:
<SOH>ADXxxx<CR>
where:
AD
= Two ASCII characters that describe the type of 3M Touch Systems controller.
Xxxx = This is a unique identifier not necessarily the actual firmware revision
number.
Description:
Returns a 6-character identifier, which describes the controller type and the firmware
version number. .
version number. .
Soft Reset
Syntax:
<SOH>R<CR>
Response:
<SOH>0<CR> Positive response
.
Description:
Initializes the hardware and the firmware, causes the controller to stop sending data, and
recalculates the environmental conditions (for example, stray and offset values). The
Reset command also cancels the Calibrate command and returns the controller to normal
operation.
recalculates the environmental conditions (for example, stray and offset values). The
Reset command also cancels the Calibrate command and returns the controller to normal
operation.