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

AP_Baro: fixed a build warning

This commit is contained in:
Andrew Tridgell 2013-05-02 21:31:04 +10:00
parent 168f76e76c
commit 26bf636541
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libraries/AP_Baro/AP_Baro_HIL.cpp
View File

@ -35,16 +35,16 @@ void AP_Baro_HIL::setHIL(float altitude_msl)
{ {
// approximate a barometer. This uses the typical base pressure in // approximate a barometer. This uses the typical base pressure in
// Canberra, Australia // Canberra, Australia
const float Temp = 312; const float temperature = 312;
float y = (altitude_msl - 584.0) / 29.271267; float y = (altitude_msl - 584.0) / 29.271267;
y /= (Temp / 10.0) + 273.15; y /= (temperature / 10.0) + 273.15;
y = 1.0/exp(y); y = 1.0/exp(y);
y *= 95446.0; y *= 95446.0;
_count++; _count++;
_pressure_sum += y; _pressure_sum += y;
_temperature_sum += Temp; _temperature_sum += temperature;
if (_count == 128) { if (_count == 128) {
// we have summed 128 values. This only happens // we have summed 128 values. This only happens
// when we stop reading the barometer for a long time // when we stop reading the barometer for a long time