diff options
Diffstat (limited to 'src/drivers/ets_airspeed/ets_airspeed.cpp')
| -rw-r--r-- | src/drivers/ets_airspeed/ets_airspeed.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/drivers/ets_airspeed/ets_airspeed.cpp b/src/drivers/ets_airspeed/ets_airspeed.cpp index 146a06e7c..2de7063ea 100644 --- a/src/drivers/ets_airspeed/ets_airspeed.cpp +++ b/src/drivers/ets_airspeed/ets_airspeed.cpp @@ -154,8 +154,9 @@ ETSAirspeed::collect() return ret; } - uint16_t diff_pres_pa = val[1] << 8 | val[0]; - if (diff_pres_pa == 0) { + uint16_t diff_pres_pa_raw = val[1] << 8 | val[0]; + uint16_t diff_pres_pa; + if (diff_pres_pa_raw == 0) { // a zero value means the pressure sensor cannot give us a // value. We need to return, and not report a value or the // caller could end up using this value as part of an @@ -165,10 +166,10 @@ ETSAirspeed::collect() return -1; } - if (diff_pres_pa < _diff_pres_offset + MIN_ACCURATE_DIFF_PRES_PA) { + if (diff_pres_pa_raw < _diff_pres_offset + MIN_ACCURATE_DIFF_PRES_PA) { diff_pres_pa = 0; } else { - diff_pres_pa -= _diff_pres_offset; + diff_pres_pa = diff_pres_pa_raw - _diff_pres_offset; } // Track maximum differential pressure measured (so we can work out top speed). @@ -183,6 +184,7 @@ ETSAirspeed::collect() // XXX we may want to smooth out the readings to remove noise. report.differential_pressure_filtered_pa = (float)diff_pres_pa; + report.differential_pressure_raw_pa = (float)diff_pres_pa_raw; report.temperature = -1000.0f; report.voltage = 0; report.max_differential_pressure_pa = _max_differential_pressure_pa; |