3M C3266PW 用户手册
3M™ Multi-Touch Chassis Display User Guide
49
3M Touch Systems, Inc. Proprietary Information – TSD-39373 REV E
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.
3M Touch Systems recommends that the host system issue a Reset command whenever
the host system is powered on and is attempting to establish communication with the
controller.
the host system is powered on and is attempting to establish communication with the
controller.
The amount of time needed to execute a Reset command is typically 500 milliseconds
with a defined maximum of 2000 milliseconds. Therefore, the application program
should wait and be sure it receives the command response before issuing another
command to the controller following the reset.
with a defined maximum of 2000 milliseconds. Therefore, the application program
should wait and be sure it receives the command response before issuing another
command to the controller following the reset.
Restore Defaults
Syntax:
<SOH>RD<CR>