User Manual

XBee® Wi-Fi RF Modules
© 2012 Digi International, Inc. 51
The following commands exist for interacting with GPM:
PLATFORM_INFO_REQUEST (0x00):
A PLATFORM_INFO_REQUEST frame can be sent to query details of the GPM structure.
Field Name Command –Specific Description
GPM_CMD_ID
Should be set to PLATFORM_INFO_REQUEST (0x00).
GPM_OPTIONS
This field is unused for this command. Set to 0.
GPM_BLOCK_NUM
GPM_START_INDEX
GPM_NUM_BYTES
GPM_DATA
No data bytes should be specified for this command.
PLATFORM_INFO (0x80):
When a PLATFORM_INFO_REQUEST command request has been unicast to a node, that
node will send a response in the following format to the source endpoint specified in
the requesting frame.
Field Name Command –Specific Description
GPM_CMD_ID
Should be set to PLATFORM_INFO (0x80).
GPM_OPTIONS
A 1 in the least significant bit indicates an error occurred. All
other bits are reserved at this time.
GPM_BLOCK_NUM
Indicates the number of GPM blocks available.
GPM_START_INDEX
Indicates the size of a GPM block in bytes.
GPM_NUM_BYTES
The number of bytes in the GPM_DATA field. For this command,
this field will be set to 0.
GPM_DATA
No data bytes should be specified for this command.
Example:
A PLATFORM_INFO_REQUEST sent to a radio with a serial number of
0x0013a200407402AC should be formatted as follows (spaces added to delineate
fields):
7E 001C 11 01 0013A200407402AC FFFE E6 E6 0023 C105 00 00 00 00 0000 0000 0000 24
Assuming all transmissions were successful, the following API packets would be output
the source node's serial interface:
7E 0007 8B 01 FFFE 00 00 00 76
7E 001A 91 0013A200407402AC FFFE E6 E6 0023 C105 C1 80 00 0077 0200 0000 EB