diff --git a/src/modules/commander/commander.cpp b/src/modules/commander/commander.cpp index 409cf9d894..2b528eef66 100644 --- a/src/modules/commander/commander.cpp +++ b/src/modules/commander/commander.cpp @@ -124,7 +124,7 @@ extern struct system_load_s system_load; #define STICK_ON_OFF_HYSTERESIS_TIME_MS 1000 #define STICK_ON_OFF_COUNTER_LIMIT (STICK_ON_OFF_HYSTERESIS_TIME_MS*COMMANDER_MONITORING_LOOPSPERMSEC) -#define POSITION_TIMEOUT (600 * 1000) /**< consider the local or global position estimate invalid after 600ms */ +#define POSITION_TIMEOUT (2 * 1000 * 1000) /**< consider the local or global position estimate invalid after 600ms */ #define FAILSAFE_DEFAULT_TIMEOUT (3 * 1000 * 1000) /**< hysteresis time - the failsafe will trigger after 3 seconds in this state */ #define RC_TIMEOUT 500000 #define DL_TIMEOUT 5 * 1000* 1000 @@ -163,7 +163,8 @@ static bool on_usb_power = false; static float takeoff_alt = 5.0f; static int parachute_enabled = 0; -static float eph_epv_threshold = 5.0f; +static float eph_threshold = 5.0f; +static float epv_threshold = 10.0f; static struct vehicle_status_s status; static struct actuator_armed_s armed; @@ -1109,32 +1110,32 @@ int commander_thread_main(int argc, char *argv[]) /* update condition_global_position_valid */ /* hysteresis for EPH/EPV */ - bool eph_epv_good; + bool eph_good; if (status.condition_global_position_valid) { - if (global_position.eph > eph_epv_threshold * 2.0f || global_position.epv > eph_epv_threshold * 2.0f) { - eph_epv_good = false; + if (global_position.eph > eph_threshold * 2.5f) { + eph_good = false; } else { - eph_epv_good = true; + eph_good = true; } } else { - if (global_position.eph < eph_epv_threshold && global_position.epv < eph_epv_threshold) { - eph_epv_good = true; + if (global_position.eph < eph_threshold) { + eph_good = true; } else { - eph_epv_good = false; + eph_good = false; } } - check_valid(global_position.timestamp, POSITION_TIMEOUT, eph_epv_good, &(status.condition_global_position_valid), &status_changed); + check_valid(global_position.timestamp, POSITION_TIMEOUT, eph_good, &(status.condition_global_position_valid), &status_changed); /* check if GPS fix is ok */ /* update home position */ if (!status.condition_home_position_valid && status.condition_global_position_valid && !armed.armed && - (global_position.eph < eph_epv_threshold) && (global_position.epv < eph_epv_threshold)) { + (global_position.eph < eph_threshold) && (global_position.epv < epv_threshold)) { home.lat = global_position.lat; home.lon = global_position.lon; @@ -1164,8 +1165,8 @@ int commander_thread_main(int argc, char *argv[]) /* hysteresis for EPH */ bool local_eph_good; - if (status.condition_global_position_valid) { - if (local_position.eph > eph_epv_threshold * 2.0f) { + if (status.condition_local_position_valid) { + if (local_position.eph > eph_threshold * 2.5f) { local_eph_good = false; } else { @@ -1173,7 +1174,7 @@ int commander_thread_main(int argc, char *argv[]) } } else { - if (local_position.eph < eph_epv_threshold) { + if (local_position.eph < eph_threshold) { local_eph_good = true; } else { @@ -1505,7 +1506,7 @@ int commander_thread_main(int argc, char *argv[]) /* update home position on arming if at least 2s from commander start spent to avoid setting home on in-air restart */ if (armed.armed && !was_armed && hrt_absolute_time() > start_time + 2000000 && status.condition_global_position_valid && - (global_position.eph < eph_epv_threshold) && (global_position.epv < eph_epv_threshold)) { + (global_position.eph < eph_threshold) && (global_position.epv < epv_threshold)) { // TODO remove code duplication home.lat = global_position.lat; diff --git a/src/modules/uORB/topics/vehicle_global_position.h b/src/modules/uORB/topics/vehicle_global_position.h index e32529cb46..25137c1c64 100644 --- a/src/modules/uORB/topics/vehicle_global_position.h +++ b/src/modules/uORB/topics/vehicle_global_position.h @@ -70,8 +70,8 @@ struct vehicle_global_position_s { float vel_e; /**< Ground east velocity, m/s */ float vel_d; /**< Ground downside velocity, m/s */ float yaw; /**< Yaw in radians -PI..+PI. */ - float eph; - float epv; + float eph; /**< Standard deviation of position estimate horizontally */ + float epv; /**< Standard deviation of position vertically */ }; /**