© 2014 Digi International Inc. 74
XBee/XBee-PRO
®
DigiMesh 2.4 User Manual
AT Command - Queue Parameter Value
Frame Type: 0x09
This API type allows module parameters to be queried or set. In contrast to the “AT Command”
API type, new parameter values are queued and not applied until either the “AT Command”
(0x08) API type or the AC (Apply Changes) command is issued. Register queries (reading
parameter values) are returned immediately.
Send a command to change the baud rate (BD) to 115200 baud, but don't apply changes yet.
(Module will continue to operate at the previous baud rate until changes are applied.)
Note: In this example, the parameter could have been sent as a zero-padded 2-byte or 4-
byte value.
Transmit Request
Frame Type: 0x10
A Transmit Request API frame causes the module to send data as an RF packet to the specified
destination.
The 64-bit destination address should be set to 0x000000000000FFFF for a broadcast
transmission (to all devices). For unicast transmissions the 64 bit address field should be set to
the address of the desired destination node. The reserved field should be set to 0xFFFE.
Checksum 8 0x0F
0xFF - the 8 bit sum of bytes from
offset 3 to this byte.
Frame Fields Offset Example Description
Start Delimiter 0 0x7E
Length
MSB 1 0x00
Number of bytes between the length
and the checksum
LSB 2 0x05
Frame-specific
Data
Frame Type 3 0x09
Frame ID 4 0x01
Identifies the UART data frame for
the host to correlate with a
subsequent ACK (acknowledgement).
If set to 0, no response is sent.
AT Command
5 0x42 (B) Command Name - Two ASCII
characters that identify the AT
Command.
6 0x44 (D)
Parameter
Value
(ATBD7 =
115200 baud)
0x07
If present, indicates the requested
parameter value to set the given
register. If no characters present,
register is queried.
Checksum 8 0x68
0xFF - the 8 bit sum of bytes from
offset 3 to this byte.
Frame Fields Offset Example Description
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