From 0784ef918925a546e0e4294571859150f0789561 Mon Sep 17 00:00:00 2001 From: Thomas Gubler Date: Fri, 14 Mar 2014 01:13:22 +0100 Subject: add low pass filter to meas airspeed driver including logging of filtered value --- src/modules/uORB/topics/differential_pressure.h | 5 +++-- src/modules/uORB/topics/sensor_combined.h | 5 +++-- 2 files changed, 6 insertions(+), 4 deletions(-) (limited to 'src/modules/uORB') diff --git a/src/modules/uORB/topics/differential_pressure.h b/src/modules/uORB/topics/differential_pressure.h index 5d94d4288..3592c023c 100644 --- a/src/modules/uORB/topics/differential_pressure.h +++ b/src/modules/uORB/topics/differential_pressure.h @@ -54,8 +54,9 @@ struct differential_pressure_s { uint64_t timestamp; /**< microseconds since system boot, needed to integrate */ uint64_t error_count; - float differential_pressure_pa; /**< Differential pressure reading */ - float max_differential_pressure_pa; /**< Maximum differential pressure reading */ + float differential_pressure_pa; /**< Differential pressure reading */ + float differential_pressure_filtered_pa; /**< Low pass filtered differential pressure reading */ + float max_differential_pressure_pa; /**< Maximum differential pressure reading */ float voltage; /**< Voltage from analog airspeed sensors (voltage divider already compensated) */ float temperature; /**< Temperature provided by sensor */ diff --git a/src/modules/uORB/topics/sensor_combined.h b/src/modules/uORB/topics/sensor_combined.h index ad164555e..c84fd5db7 100644 --- a/src/modules/uORB/topics/sensor_combined.h +++ b/src/modules/uORB/topics/sensor_combined.h @@ -103,8 +103,9 @@ struct sensor_combined_s { float mcu_temp_celcius; /**< Internal temperature measurement of MCU */ uint32_t baro_counter; /**< Number of raw baro measurements taken */ - float differential_pressure_pa; /**< Airspeed sensor differential pressure */ - uint32_t differential_pressure_counter; /**< Number of raw differential pressure measurements taken */ + float differential_pressure_pa; /**< Airspeed sensor differential pressure */ + float differential_pressure_filtered_pa; /**< Low pass filtered airspeed sensor differential pressure reading */ + uint32_t differential_pressure_counter; /**< Number of raw differential pressure measurements taken */ }; /** -- cgit v1.2.3