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PX4-Autopilot/ROMFS/px4fmu_common/init.d-posix/px4-rc.mavlink
T
Ramon Roche 2ae4ca4bf4 fix(mavlink): remove port cap that forced instances 10+ to share port
The line `[ "$px4_instance" -gt 9 ] && udp_offboard_port_remote=14549`
forced all instances above 9 to share the same offboard port, breaking
multi-instance setups with 10+ drones. Without it, each instance gets
a unique port 14540+i with no overlap.

Signed-off-by: Ramon Roche <mrpollo@gmail.com>
2026-03-16 07:44:19 -07:00

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#!/bin/sh
# shellcheck disable=SC2154
udp_offboard_port_local=$((14580+px4_instance))
udp_offboard_port_remote=$((14540+px4_instance))
udp_onboard_payload_port_local=$((14280+px4_instance))
udp_onboard_payload_port_remote=$((14030+px4_instance))
udp_onboard_gimbal_port_local=$((13030+px4_instance))
udp_onboard_gimbal_port_remote=$((13280+px4_instance))
udp_gcs_port_local=$((18570+px4_instance))
# GCS link
mavlink start -x -u $udp_gcs_port_local -r 4000000 -f
mavlink stream -r 50 -s POSITION_TARGET_LOCAL_NED -u $udp_gcs_port_local
mavlink stream -r 50 -s LOCAL_POSITION_NED -u $udp_gcs_port_local
mavlink stream -r 50 -s GLOBAL_POSITION_INT -u $udp_gcs_port_local
mavlink stream -r 50 -s ATTITUDE -u $udp_gcs_port_local
mavlink stream -r 50 -s ATTITUDE_QUATERNION -u $udp_gcs_port_local
mavlink stream -r 50 -s ATTITUDE_TARGET -u $udp_gcs_port_local
mavlink stream -r 50 -s SERVO_OUTPUT_RAW_0 -u $udp_gcs_port_local
mavlink stream -r 20 -s RC_CHANNELS -u $udp_gcs_port_local
mavlink stream -r 10 -s OPTICAL_FLOW_RAD -u $udp_gcs_port_local
# API/Offboard link
mavlink start -x -u $udp_offboard_port_local -r 4000000 -f -m onboard -o $udp_offboard_port_remote
# Onboard link to camera
mavlink start -x -u $udp_onboard_payload_port_local -r 4000 -f -m onboard -o $udp_onboard_payload_port_remote
# Onboard link to gimbal
mavlink start -x -u $udp_onboard_gimbal_port_local -r 400000 -f -m gimbal -o $udp_onboard_gimbal_port_remote
# To display for SIH sitl
if [ "$PX4_SIMULATOR" = "sihsim" ]; then
udp_sihsim_port_local=$((19450+px4_instance))
udp_sihsim_port_remote=$((19410+px4_instance))
mavlink start -x -u $udp_sihsim_port_local -r 400000 -m custom -o $udp_sihsim_port_remote
mavlink stream -r 200 -s HIL_ACTUATOR_CONTROLS -u $udp_sihsim_port_local
mavlink stream -r 25 -s HIL_STATE_QUATERNION -u $udp_sihsim_port_local
fi