ATrack AU7 - ATSIOCG Command Reference

Confidential Document
© ATrack Technology Inc. All Rights Reserved. Page 13 of 15
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Command Description
The 16-pin female power I/O cable has a dark green wire which can be used to identify this unique
configurable I/O port. This port can be configured or queried through the AT$IOCG command. It is
recommended to disconnect the I/O connection prior to changing the I/O characteristic in order to avoid any
damage to the I/O port.
Syntax
Write Command
AT$IOCG=<IO1>
Response
$OK
Read Command
AT$IOCG=?
Response
$IOCG=<IO1>
Parameter Description
Parameters
Description
Data Type
Default
<IO1>
The default state of this port is OUT4. You may change it
to AN3 by typing AT$IOCG=2
1: Digital Output 4 (OUT4)
2: Analog Input 3 (AN3)
U8
1
Example
(1) Change Digital Output 4 to Analog Input 3
AT$IOCG=2
(2) Change Analog Input 3 to Digital Output 4
AT$IOCG=1
(3) Check the current state of the port
AT$IOCG=?
Remark
MEMO SERIAL SMS GPRS