ANT Garmin G.FIT, User Manual And Specifications, Page: 69 / 117

G.FIT User Guide and Specification, Rev 2.0_Alpha.14 Page 69 of 117
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7.3.14 fe_command_product_info (0xE4)
Set Data Command: Update the product information transmitted over the ANT+ data pages 80 and 81 (known
as common data pages), and over the BLE Device Information Service and advertising packets.
Valid State: OFF
Table 7-36. fe_command_product_info command message
Byte # Name Length Description
0 Sync 1 byte
Fixed value of 10100100 or 10100101
(Refer to the
Interfacing with ANT General Purpose Chipsets and
Modules document for details.)
1 Length 1 byte
Variable - Set to 0x02 + Product Information Value Length. See
Table 7-38.
2 Message ID 1 byte Set to 0xE2 (command)
3 Sub-Message ID 1 byte Set to 0xE4 (fe_command_product_info)
4-(N-1) Payload Variable
Byte 4 – Product Information Type. See
Table 7-38.
Byte 5
– (N-1) – Product Information Value. See
Table 7-38.
N Checksum 1 byte XOR of all previous bytes including the sync byte.
Table 7-37. fe_command_product_info response message
Byte # Name Length Description
0 Sync 1 byte
Fixed value of 10100100 or 10100101
(Refer to the
Interfacing with ANT General Purpose Chipsets and
Modules document for details.)
1 Length 1 byte 0x05
2
Response ID 2 bytes
0xE0 (response)
3 0xFE (G.FIT response)
4
Command ID 2 bytes
0xE2 (command)
5 0xE4 (fe_command_product_info)
6 Response Code 1 byte
0x00 - GFIT_SUCCESS
0x01 - GFIT_ERROR_INCORRECT_STATE
0x07
– GFIT_ERROR_INVALID_PARAMETER
0x12 - GFIT_ERROR_INVALID_LENGTH
See Table 7-1 for descriptions.
7 Payload 1 byte
Current State:
0x00
– State is INVALID
0x01 – State is OFF
0x02 – State is READY
0x03 – State is IN USE
0x04 – State is PAUSED/FINISHED
8 Checksum 1 byte XOR of all previous bytes including the sync byte.