Mirror
/
ardupilot
mirror of https://github.com/ArduPilot/ardupilot
5
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

AC_Baro: add floating point constant designators

This commit is contained in:
Peter Barker 2019-04-05 09:06:32 +11:00 committed by Tom Pittenger
parent d59cf15594
commit 10cc05c8ed
4 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libraries/AP_Baro/AP_Baro_DPS280.cpp
View File

@ -164,13 +164,13 @@ void AP_Baro_DPS280::calculate_PT(int32_t UT, int32_t UP, float &pressure, float
{
const struct dps280_cal &cal = calibration;
// scaling for 16x oversampling
const float scaling_16 = 1.0/253952;
const float scaling_16 = 1.0f/253952;
float temp_scaled;
float press_scaled;
temp_scaled = float(UT) * scaling_16;
temperature = cal.C0 * 0.5 + cal.C1 * temp_scaled;
temperature = cal.C0 * 0.5f + cal.C1 * temp_scaled;
press_scaled = float(UP) * scaling_16;

2
libraries/AP_Baro/AP_Baro_HIL.cpp
View File

@ -74,7 +74,7 @@ void AP_Baro::SimpleUnderWaterAtmosphere(
// \f$T(D)\approx\frac{S}{1.8 \cdot 10^{-4} \cdot S \cdot T + 1}\f$
const float seaTempSurface = 15.0f; // Celsius
const float S = seaTempSurface * 0.338f;
theta = 1.0f / ((1.8e-4) * S * (alt * 1e3) + 1.0f);
theta = 1.0f / ((1.8e-4f) * S * (alt * 1e3f) + 1.0f);
}
/*

2
libraries/AP_Baro/AP_Baro_ICM20789.cpp
View File

@ -296,7 +296,7 @@ static struct {
void AP_Baro_ICM20789::convert_data(uint32_t Praw, uint32_t Traw)
{
// temperature is easy
float T = -45 + (175.0 / (1U<<16)) * Traw;
float T = -45 + (175.0f / (1U<<16)) * Traw;
// pressure involves a few more calculations
float P = get_pressure(Praw, Traw);

4
libraries/AP_Baro/AP_Baro_LPS2XH.cpp
View File

@ -224,7 +224,7 @@ void AP_Baro_LPS2XH::_update_temperature(void)
WITH_SEMAPHORE(_sem);
if (_lps2xh_type == BARO_LPS25H) {
_temperature=((float)(Temp_Reg_s16/480)+42.5);
_temperature=((float)(Temp_Reg_s16/480)+42.5f);
}
if (_lps2xh_type == BARO_LPS22H) {
_temperature=(float)(Temp_Reg_s16/100);
@ -237,7 +237,7 @@ void AP_Baro_LPS2XH::_update_pressure(void)
uint8_t pressure[3];
_dev->read_registers(PRESS_OUT_XL_ADDR, pressure, 3);
int32_t Pressure_Reg_s32 = ((uint32_t)pressure[2]<<16)|((uint32_t)pressure[1]<<8)|(uint32_t)pressure[0];
int32_t Pressure_mb = Pressure_Reg_s32 * (100.0 / 4096); // scale for pa
int32_t Pressure_mb = Pressure_Reg_s32 * (100.0f / 4096); // scale for pa
WITH_SEMAPHORE(_sem);
_pressure = Pressure_mb;