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AP_Baro: use HAL_CPU_CLASS in baro driver

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This commit is contained in:
Andrew Tridgell 2013-12-31 09:30:36 +11:00
parent ea649e036b
commit 5e3c4441dc
1 changed files with 2 additions and 2 deletions
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4
libraries/AP_Baro/AP_Baro.cpp
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@ -142,8 +142,8 @@ float AP_Baro::get_altitude(void)
}
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
// on AVR use a less exact, but faster, calculation
#if HAL_CPU_CLASS <= HAL_CPU_CLASS_16
// on slower CPUs use a less exact, but faster, calculation
scaling = (float)_ground_pressure / (float)get_pressure();
temp = ((float)_ground_temperature) + 273.15f;
_altitude = logf(scaling) * temp * 29.271267f;