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-rw-r--r--apps/systemlib/conversions.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/apps/systemlib/conversions.c b/apps/systemlib/conversions.c
index fed97f101..2b8003e45 100644
--- a/apps/systemlib/conversions.c
+++ b/apps/systemlib/conversions.c
@@ -42,10 +42,6 @@
#include "conversions.h"
-#define air_gas_constant 8.31432f
-#define air_density_sea_level 1.225f
-#define absolute_null_kelvin 273.15f
-
int16_t
int16_t_from_bytes(uint8_t bytes[])
{
@@ -154,5 +150,5 @@ void quat2rot(const float Q[4], float R[9])
float get_air_density(float static_pressure, float temperature_celsius)
{
- return static_pressure / (air_gas_constant * (temperature_celsius + absolute_null_kelvin));
+ return static_pressure / (CONSTANTS_AIR_GAS_CONST * (temperature_celsius + CONSTANTS_ABSOLUTE_NULL_KELVIN));
}