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Apply resistance gain to FTMS target-resistance-level writes (Toputure TEB5) #4795

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Apply resistance gain to FTMS target-resistance-level writes (Toputure TEB5) #4795

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2c09b33
Apply bike resistance gain to FTMS target-resistance-level writes
cagnulein Jul 9, 2026
58ded14
Update ftmsbike.cpp
cagnulein Jul 10, 2026
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15 changes: 15 additions & 0 deletions src/devices/ftmsbike/ftmsbike.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1888,6 +1888,21 @@ void ftmsbike::ftmsCharacteristicChanged(const QLowEnergyCharacteristic &charact
b[1] = powerRequested & 0xFF;
b[2] = powerRequested >> 8;
}
} else if(b.at(0) == FTMS_SET_TARGET_RESISTANCE_LEVEL && bikeResistanceGain != 1.0) {
if(b.length() == 2) {
uint8_t resistance = (uint8_t)b.at(1);
qDebug() << "applying bikeResistanceGain to FTMS_SET_TARGET_RESISTANCE_LEVEL (1-byte) from" << resistance;
resistance = (uint8_t)qRound(((double)resistance) * bikeResistanceGain);
qDebug() << "to" << resistance;
b[1] = resistance;
} else if(b.length() >= 3) {
uint16_t resistance = (((uint8_t)b.at(1)) + ((uint8_t)b.at(2) << 8));
qDebug() << "applying bikeResistanceGain to FTMS_SET_TARGET_RESISTANCE_LEVEL (2-byte) from" << resistance;
resistance = (uint16_t)qRound(((double)resistance) * bikeResistanceGain);
qDebug() << "to" << resistance;
b[1] = resistance & 0xFF;
b[2] = resistance >> 8;
}
}
// gears on erg mode is quite useless and it's confusing
/* else if(b.at(0) == FTMS_SET_TARGET_POWER && b.length() > 2) {
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