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Diffstat (limited to 'src/drivers/ets_airspeed/ets_airspeed.cpp')
-rw-r--r--src/drivers/ets_airspeed/ets_airspeed.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/drivers/ets_airspeed/ets_airspeed.cpp b/src/drivers/ets_airspeed/ets_airspeed.cpp
index c39da98d7..b34d3fa5d 100644
--- a/src/drivers/ets_airspeed/ets_airspeed.cpp
+++ b/src/drivers/ets_airspeed/ets_airspeed.cpp
@@ -84,8 +84,9 @@
/**
* The Eagle Tree Airspeed V3 cannot provide accurate reading below speeds of 15km/h.
+ * You can set this value to 12 if you want a zero reading below 15km/h.
*/
-#define MIN_ACCURATE_DIFF_PRES_PA 12
+#define MIN_ACCURATE_DIFF_PRES_PA 0
/* Measurement rate is 100Hz */
#define CONVERSION_INTERVAL (1000000 / 100) /* microseconds */
@@ -463,8 +464,8 @@ ETSAirspeed::collect()
uint16_t diff_pres_pa = val[1] << 8 | val[0];
+ // XXX move the parameter read out of the driver.
param_get(param_find("SENS_DPRES_OFF"), &_diff_pres_offset);
-
if (diff_pres_pa < _diff_pres_offset + MIN_ACCURATE_DIFF_PRES_PA) {
diff_pres_pa = 0;