At Command Frame - 0X08 - Digi XBee 3 ZigBee User Manual

Frame descriptions

AT Command frame - 0x08

Description
Use this frame to query or set command parameters on the local device. This API command applies
changes after running the command. You can query parameter values by sending the
frame - 0x08 with no parameter value field (the two-byte AT command is immediately followed by the
frame checksum). Any parameter that is set with this frame type will apply the change immediately. If
you wish to queue multiple parameter changes and apply them later, use the
Parameter Value frame - 0x09
When a command is queried, a
value that is currently set on the device.
Format
The following table provides the contents of the frame. For details on frame structure, see
format.
Frame
data
fields Offset Description
Frame 3
type
Frame ID 4
AT 5-6
command
Parameter 7-n
value
Examples
The following example illustrates an AT Command frame where the device's NJ parameter value is
queried.
Frame data fields
Start delimiter
Length
Frame type
Frame ID
Digi XBee® 3 Zigbee® RF Module
instead.
AT Command Response frame - 0x88
0x08
Identifies the data frame for the host to correlate with a subsequent response
. If set to 0, the device does not send a response.
Command name: two ASCII characters that identify the AT command.
If present, indicates the requested parameter value to set the given register.
If no characters are present, it queries the register.
AT Command frame - 0x08
AT Command
AT Command - Queue
is populated with the parameter
Offset Example
0 0x7E
MSB 1 0x00
LSB 2 0x0
3 0x08
4 0x52
API frame
255