Specifications

Chapter 2 Firmware Commands 27
AutoBaud Enable
Note:
MicroTouch provides this command for compatibility with older touchscreen
controllers. To ensure compatibility with all existing and future MicroTouch controllers,
do not use this command when developing your touch drivers and applications.
Syntax: <SOH>AE<CR>
Description: Turns on the automatic baud rate detection feature.
When you enable AutoBaud, the controller changes its communication
rate to that of the next command from the host system. Thereafter,
the controller sets its communication rate to the first command
received from the host system after powering on the unit.
Although the AutoBaud Enable command sets the communication
rate, it does not automatically set the parity, the number of data bits,
and the number of stop bits. The controller cannot communicate with
the host system unless all communication parameters are the same.
AutoBaud Enable is the factory default for some touchscreen
controllers. However, because this automatic feature is limited to the
communication rate, MicroTouch recommends that you issue an
AutoBaud Disable command to turn off the AutoBaud feature. After
you disable AutoBaud, send a Parameter Set command to change the
communication parameters (parity, number of data bits, number of
stop bits, and baud rate).
Response: <SOH>0<CR> Positive response.