Files
PX4-Autopilot/ROMFS/px4fmu_common/init.d-posix/px4-rc.simulator
T
Balduin b3c1d91408 start airspeed sensor sim according to param
AFAIK this is not done anywhere else for SIH-as-SITL. Just below for
gazebo it is already present.

the corresponding check for SIH-on-FC happens at
ROMFS/px4fmu_common/init.d/rcS:388 - also no airspeed is enabled
anywhere. is that intended?

also, handle airspeed failure correctly in SensorAirspeedSim.cpp
2025-11-24 09:09:00 -08:00

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#!/bin/sh
# shellcheck disable=SC2154
# Simulator IMU data provided at 250 Hz
param set-default IMU_INTEG_RATE 250
# For simulation, allow registering modes while armed for developer convenience
param set-default COM_MODE_ARM_CHK 1
if [ "$PX4_SIMULATOR" = "sihsim" ] || [ "$(param show -q SYS_AUTOSTART)" -eq "0" ]; then
echo "INFO [init] SIH simulator"
if [ -n "${PX4_HOME_LAT}" ]; then
param set SIH_LOC_LAT0 ${PX4_HOME_LAT}
fi
if [ -n "${PX4_HOME_LON}" ]; then
param set SIH_LOC_LON0 ${PX4_HOME_LON}
fi
if [ -n "${PX4_HOME_ALT}" ]; then
param set SIH_LOC_H0 ${PX4_HOME_ALT}
fi
if simulator_sih start; then
if param compare -s SENS_EN_BAROSIM 1
then
sensor_baro_sim start
fi
if param compare -s SENS_EN_GPSSIM 1
then
sensor_gps_sim start
fi
if param compare -s SENS_EN_MAGSIM 1
then
sensor_mag_sim start
fi
if param compare -s SENS_EN_ARSPDSIM 1
then
sensor_airspeed_sim start
fi
if param compare -s SENS_EN_AGPSIM 1
then
sensor_agp_sim start
fi
else
echo "ERROR [init] simulator_sih failed to start"
exit 1
fi
elif [ "$PX4_SIMULATOR" = "gz" ] || [ "$(param show -q SIM_GZ_EN)" = "1" ]; then
# Run Gazebo (gz)
. px4-rc.gzsim
elif [ "$PX4_SIM_MODEL" = "jmavsim_iris" ] || [ "$(param show -q SYS_AUTOSTART)" -eq "10017" ]; then
# Run jMAVSim
. px4-rc.jmavsim
else
# Run simulator_mavlink module for interface with gazebo-classic
. px4-rc.mavlinksim
fi