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Update src/drivers/uavcan/sensors/baro.cpp

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Use absolute-zero constant instead of 273.15f

Co-Authored-By: Daniel Agar <daniel@agar.ca>
This commit is contained in:
Jacob Crabill
2020-03-21 12:39:29 -04:00
committed by Daniel Agar
co-authored by Daniel Agar
parent 4c8cfa140a
commit 693a47fca3
1 changed files with 2 additions and 1 deletions
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src/drivers/uavcan/sensors/baro.cpp
+2 -1
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@@ -40,6 +40,7 @@
#include <math.h> #include <math.h>
#include <lib/drivers/barometer/PX4Barometer.hpp> #include <lib/drivers/barometer/PX4Barometer.hpp>
#include <lib/ecl/geo/geo.h> // For CONSTANTS_*
const char *const UavcanBarometerBridge::NAME = "baro"; const char *const UavcanBarometerBridge::NAME = "baro";
@@ -99,7 +100,7 @@ UavcanBarometerBridge::air_pressure_sub_cb(const
// Cast our generic CDev pointer to the sensor-specific driver class // Cast our generic CDev pointer to the sensor-specific driver class
PX4Barometer *_baro = (PX4Barometer *)channel->h_driver; PX4Barometer *_baro = (PX4Barometer *)channel->h_driver;
_baro->set_temperature(last_temperature_kelvin - 273.15f); _baro->set_temperature(last_temperature_kelvin + CONSTANTS_ABSOLUTE_NULL_CELSIUS);
_baro->update(hrt_absolute_time(), msg.static_pressure / 100.0f); // Convert pressure to millibar _baro->update(hrt_absolute_time(), msg.static_pressure / 100.0f); // Convert pressure to millibar
} }