API operation API frames
XBee/XBee-PRO ZigBee RF Modules User Guide 137
If a query request returns a 0x15 (NACK) status, the target is likely waiting for a firmware update image. If no
messages are sent to it for about 75 seconds, the target will timeout and accept new query messages.
If a query returns a 0x51 (QUERY) status, then the target's bootloader is not active and will not respond to query
messages.
Frame-specific
Data
Block Number
16 0x00
Block number used in the update request. Set to 0 if not
applicable.
64-bit Target
Address
17 0x00
64-bit address of remote device that is being updated (target)
18 0x13
19 0xA2
20 0x00
21 0x40
22 0x52
23 0x2B
24 0xAA
Checksum
25 0x66
0xFF - the 8 bit sum of bytes from offset 3 to this byte
Frame Fields Offset Example Description
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