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Page 96 of 117 G.FIT User Guide and Specification, Rev 2.0_Alpha.14
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7.5.3 gfit_event_set_target_ (0xB5)
Event: An event that is sent to the MCU when G.FIT receives commands over ANT+ or BLE FTMS to set a
target for the session.
Requires Response: Yes, see section 4.4.2.
Depends on Controllable Feature: Target Inclination/Target Resistance Level/Target Power/Target Heart
Rate/Targeted Distance
Corresponding G.FIT library functions: gfit_event_set_target_inclination,
gfit_event_set_target_resistance_level, gfit_event_set_target_power, gfit_event_set_target_heart_rate, and
gfit_event_set_targeted_distance
Table 7-64. gfit_event_set_target_ event 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 0x02 + Target Value Length
2 Message ID 1 byte 0xE0 (event)
3 Sub-Message ID 1 byte 0xB5 (gfit_event_set_target_)
4 Target Type 1 byte Indicates the type of target. See Table 7-65.
5-(N-1) Target Value Variable See Table 7-65
N Checksum 1 byte XOR of all previous bytes including the sync byte.
Table 7-65. Target types
Target type Target value
Value Description
Length
(bytes)
Description
0x10
Set Target
Inclination
2 Target Inclination (0.01%, signed)
0x11
Set Target
Resistance Level
2 Target Resistance Level (0.5%, signed)
0x12 Set Target Power 2 Target Power (0.25 W, signed)
0x13
Set Target Heart
Rate
1 Target Heart Rate (bpm, unsigned)
0x14
Set Targeted
Distance
4 Targeted Distance (m, unsigned)
Note: All multi-byte parameters are encoded as little-endian.