aboutsummaryrefslogtreecommitdiff
path: root/src/drivers/meas_airspeed/meas_airspeed.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/drivers/meas_airspeed/meas_airspeed.cpp')
-rw-r--r--src/drivers/meas_airspeed/meas_airspeed.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/drivers/meas_airspeed/meas_airspeed.cpp b/src/drivers/meas_airspeed/meas_airspeed.cpp
index 3cd6d6720..a95c4576b 100644
--- a/src/drivers/meas_airspeed/meas_airspeed.cpp
+++ b/src/drivers/meas_airspeed/meas_airspeed.cpp
@@ -198,7 +198,9 @@ MEASAirspeed::collect()
// uint16_t diff_press_pa = abs(dp_raw - (16384 / 2.0f));
const float P_min = -1.0f;
const float P_max = 1.0f;
- float diff_press_pa = math::max(0.0f, fabsf( ( ((float)dp_raw - 0.1f*16383.0f) * (P_max-P_min)/(0.8f*16383.0f) + P_min) * 6894.8f) - _diff_pres_offset);
+ float diff_press_pa = fabsf( ( ((float)dp_raw - 0.1f*16383.0f) * (P_max-P_min)/(0.8f*16383.0f) + P_min) * 6894.8f) - _diff_pres_offset;
+ if (diff_press_pa < 0.0f)
+ diff_press_pa = 0.0f;
struct differential_pressure_s report;