© Microhard 98
5.0 AT Command Line Interface
5.2 AT Command Syntax
The follow syntax is used when issuing AT Commands on the pMDDL
- All commands start with the AT characters and end with the <Enter> key
- Microhard Specific Commands start with +M
- Help will list top level commands (ATL will list ALL available AT Commands)
- To query syntax of a command: AT+<command_name>=?
- Syntax for commands that are used only to query a setting:
AT<command_name>
- Syntax for commands that can be used to query and set values:
AT<command_name>=parameter1,parameter2,… (Sets Values)
AT<command_name>? (Queries the setting)
Query Syntax:
AT+MSCNTO=? <Enter>
+MSCNTO:
Command Syntax: AT+MSCNTO=<Timeout_s>
Parameter:
<Timeout_s> 30 to 65535 in seconds, 0-Disable
OK
Setting a value:
AT+MSCNTO=300 <Enter>
OK
Query a setting:
AT+MSCNTO? <Enter>
+MSCNTO: 300 seconds
OK
A screen capture of the above commands entered into a unit is shown below:
Image 5-3: Telnet AT Command Syntax
Once AT commands are entered, they must be saved into the file system to enable the changes.
AT&W Saves changes.
ATO or ATA Exits the AT Command Line Interface, if used before AT&W,
changes are discarded.