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    • tiralonghipolT
      tiralonghipol
      last edited by tiralonghipol

      hi,

      I know it has been asked several times and I already went through all the answers (I think). Still cannot figure out what am I doing wrong.

      I am trying to run HITL with gazebo connected via usb-ftdi as reported in the awesome documentation. I know it is not the cable cause I can both 'cat /dev/ttyUSB0' and get data and when I run

      gazebo Tools/simulation/gazebo-classic/sitl_gazebo-classic/worlds/hitl_iris_flex.world 
Opened serial device /dev/ttyUSB0

      I of course followed the video from Zach but here is the output when I run voxl-px4-hitl on voxl2:

      voxl-px4-hitl
Found DSP signature file
INFO  [px4] mlockall() enabled. PX4's virtual address space is locked into RAM.
INFO  [px4] assuming working directory is rootfs, no symlinks needed.
INFO  [muorb] Got muorb init command
Sending initialization request
Got topic data before configuration complete
Got topic data before configuration complete
Got topic data before configuration complete
Got topic data before configuration complete
Got topic data before configuration complete
Got topic data before configuration complete
Got topic data before configuration complete
Got topic data before configuration complete
Got topic data before configuration complete
Got topic data before configuration complete
Got topic data before configuration complete
Got topic data before configuration complete
Got topic data before configuration complete
INFO  [muorb] SLPI: muorb aggregator thread running
INFO  [muorb] muorb protobuf initalize method succeeded
INFO  [muorb] succesfully did ADVERTISE_TEST_TYPE
INFO  [muorb] SLPI: Creating pthread test_MUORB

INFO  [muorb] SLPI: Successfully created px4 task PX4_test_MUORB with tid 2097656
INFO  [muorb] succesfully did SUBSCRIBE_TEST_TYPE
INFO  [muorb] SLPI: Creating pthread test_MUORB

INFO  [muorb] SLPI: Successfully created px4 task PX4_test_MUORB with tid 2097655
INFO  [muorb] succesfully did TOPIC_TEST_TYPE
INFO  [muorb] SLPI: Creating pthread test_MUORB

INFO  [muorb] SLPI: Successfully created px4 task PX4_test_MUORB with tid 2097654
INFO  [muorb] succesfully did UNSUBSCRIBE_TEST_TYPE
INFO  [muorb] SLPI: Creating pthread test_MUORB

INFO  [muorb] SLPI: Successfully created px4 task PX4_test_MUORB with tid 2097653
INFO  [muorb] muorb test passed

______  __   __    ___ 
| ___ \ \ \ / /   /   |
| |_/ /  \ V /   / /| |
|  __/   /   \  / /_| |
| |     / /^\ \ \___  |
\_|     \/   \/     |_/

px4 starting.

INFO  [px4] startup script: /bin/sh /usr/bin/voxl-px4-hitl-start 0
INFO  [muorb] SLPI: Advertising remote topic log_message
INFO  [parameters] Starting param sync THREAD
INFO  [muorb] SLPI: Starting param sync THREAD
Running on M0054
INFO  [muorb] SLPI: before starting the qshell_entry task
INFO  [muorb] SLPI: Creating pthread qshell

INFO  [muorb] SLPI: qshell entry.....
INFO  [muorb] SLPI: Successfully created px4 task PX4_qshell with tid 2097652
INFO  [muorb] SLPI: Init app map initialized
INFO  [muorb] SLPI: after starting the qshell_entry task
INFO  [param] selected parameter default file /data/px4/param/hitl_parameters
INFO  [muorb] SLPI: Marking DeviceNode(parameter_client_reset_request) as advertised in process_remote_topic
INFO  [uORB] Marking DeviceNode(parameter_client_reset_response) as advertised in process_remote_topic
INFO  [muorb] SLPI: Advertising remote topic parameter_update
INFO  [muorb] SLPI: Marking DeviceNode(parameter_client_set_value_request) as advertised in process_remote_to
INFO  [uORB] Marking DeviceNode(parameter_server_set_used_request) as advertised in process_remote_topic
INFO  [muorb] SLPI: Marking DeviceNode(parameter_server_set_used_response) as advertised in process_remote_to
INFO  [uORB] Marking DeviceNode(parameter_client_set_value_response) as advertised in process_remote_topic
INFO  [parameters] BSON document size 1656 bytes, decoded 1656 bytes (INT32:43, FLOAT:36)
INFO  [logger] logger started (mode=all)
INFO  [logger] Start file log (type: full)
INFO  [logger] [logger] /data/px4/log/2023-11-02/13_05_28.ulg	
INFO  [muorb] SLPI: Advertising remote topic mavlink_log
INFO  [muorb] SLPI: Advertising remote topic event
INFO  [logger] Opened full log file: /data/px4/log/2023-11-02/13_05_28.ulg
INFO  [muorb] SLPI: Advertising remote topic logger_status
INFO  [qshell] Send cmd: 'sensors start -h'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: sensors start -h
INFO  [muorb] SLPI:   arg0 = 'sensors'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [muorb] SLPI:   arg2 = '-h'

INFO  [uORB] Advertising remote topic sensor_selection
INFO  [uORB] Advertising remote topic sensors_status_imu
INFO  [uORB] Advertising remote topic vehicle_acceleration
INFO  [uORB] Advertising remote topic vehicle_angular_velocity
INFO  [uORB] Advertising remote topic sensor_combined
INFO  [uORB] Advertising remote topic vehicle_air_data
INFO  [uORB] Advertising remote topic vehicle_gps_position
INFO  [muorb] SLPI: Ok executing command: sensors start -h
INFO  [uORB] Advertising remote topic qshell_retval
INFO  [qshell] qshell return value timestamp: 815009623, local time: 815017199
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: ekf2 start
INFO  [qshell] Send cmd: 'ekf2 start'
INFO  [muorb] SLPI:   arg0 = 'ekf2'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [uORB] Advertising remote topic vehicle_attitude
INFO  [uORB] Advertising remote topic vehicle_local_position
INFO  [uORB] Advertising remote topic estimator_event_flags
INFO  [uORB] Advertising remote topic estimator_innovation_test_ratios
INFO  [uORB] Advertising remote topic estimator_innovation_variances
INFO  [uORB] Advertising remote topic estimator_innovations
INFO  [uORB] Advertising remote topic estimator_sensor_bias
INFO  [uORB] Advertising remote topic estimator_states
INFO  [uORB] Advertising remote topic estimator_status_flags
INFO  [uORB] Advertising remote topic estimator_status
INFO  [muorb] SLPI: Ok executing command: ekf2 start
INFO  [qshell] qshell return value timestamp: 815334178, local time: 815338611
INFO  [qshell] Send cmd: 'mc_pos_control start'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: mc_pos_control start
INFO  [muorb] SLPI:   arg0 = 'mc_pos_control'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [uORB] Advertising remote topic takeoff_status
INFO  [muorb] SLPI: Ok executing command: mc_pos_control start
INFO  [qshell] qshell return value timestamp: 815491755, local time: 815493222
INFO  [qshell] Send cmd: 'mc_att_control start'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: mc_att_control start
INFO  [muorb] SLPI:   arg0 = 'mc_att_control'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [muorb] SLPI: Ok executing command: mc_att_control start
INFO  [qshell] qshell return value timestamp: 815560077, local time: 815562711
INFO  [qshell] Send cmd: 'mc_rate_control start'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: mc_rate_control start
INFO  [muorb] SLPI:   arg0 = 'mc_rate_control'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [uORB] Advertising remote topic rate_ctrl_status
INFO  [muorb] SLPI: Ok executing command: mc_rate_control start
INFO  [qshell] qshell return value timestamp: 815678230, local time: 815682065
INFO  [qshell] Send cmd: 'mc_hover_thrust_estimator start'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: mc_hover_thrust_estimator start
INFO  [muorb] SLPI:   arg0 = 'mc_hover_thrust_estimator'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [muorb] SLPI: Ok executing command: mc_hover_thrust_estimator start
INFO  [qshell] qshell return value timestamp: 815746736, local time: 815748268
INFO  [qshell] Send cmd: 'mc_autotune_attitude_control start'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: mc_autotune_attitude_control start
INFO  [muorb] SLPI:   arg0 = 'mc_autotune_attitude_control'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [uORB] Advertising remote topic autotune_attitude_control_status
INFO  [muorb] SLPI: Ok executing command: mc_autotune_attitude_control start
INFO  [qshell] qshell return value timestamp: 815789804, local time: 815791337
INFO  [qshell] Send cmd: 'land_detector start multicopter'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: land_detector start multicopter
INFO  [muorb] SLPI:   arg0 = 'land_detector'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [muorb] SLPI:   arg2 = 'multicopter'

INFO  [muorb] SLPI: Ok executing command: land_detector start multicopter
INFO  [qshell] qshell return value timestamp: 815839581, local time: 815841469
INFO  [uORB] Advertising remote topic vehicle_land_detected
INFO  [qshell] Send cmd: 'manual_control start'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: manual_control start
INFO  [muorb] SLPI:   arg0 = 'manual_control'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [muorb] SLPI: Ok executing command: manual_control start
INFO  [uORB] Advertising remote topic manual_control_setpoint
INFO  [qshell] qshell return value timestamp: 815912276, local time: 815914468
INFO  [qshell] Send cmd: 'control_allocator start'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: control_allocator start
INFO  [muorb] SLPI:   arg0 = 'control_allocator'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [uORB] Advertising remote topic control_allocator_status
INFO  [uORB] Marking DeviceNode(control_allocator_status) as advertised in process_remote_topic
INFO  [uORB] Advertising remote topic actuator_motors
INFO  [uORB] Advertising remote topic actuator_servos
INFO  [uORB] Advertising remote topic actuator_servos_trim
INFO  [muorb] SLPI: Ok executing command: control_allocator start
INFO  [qshell] qshell return value timestamp: 816195197, local time: 816196869
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: rc_update start
INFO  [muorb] SLPI:   arg0 = 'rc_update'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [qshell] Send cmd: 'rc_update start'
INFO  [muorb] SLPI: Ok executing command: rc_update start
INFO  [qshell] qshell return value timestamp: 816521809, local time: 816523074
INFO  [qshell] Send cmd: 'commander start -h'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: commander start -h
INFO  [muorb] SLPI:   arg0 = 'commander'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [muorb] SLPI:   arg2 = '-h'

INFO  [muorb] SLPI: Creating pthread commander

INFO  [muorb] SLPI: Successfully created px4 task PX4_commander with tid 2097647
INFO  [uORB] Advertising remote topic led_control
INFO  [muorb] SLPI: LED: open /dev/led0 failed (22)
INFO  [uORB] Advertising remote topic tune_control
INFO  [muorb] SLPI: Ok executing command: commander start -h
INFO  [qshell] qshell return value timestamp: 816759292, local time: 816761239
INFO  [muorb] SLPI: orb_advertise_multi: failed to set queue size
INFO  [muorb] SLPI: Preflight Fail: Accel Sensor 0 missing
INFO  [muorb] SLPI: Preflight Fail: barometer 0 missing
INFO  [muorb] SLPI: Preflight Fail: ekf2 missing data
INFO  [muorb] SLPI: Preflight Fail: Gyro Sensor 0 missing
INFO  [uORB] Advertising remote topic health_report
INFO  [uORB] Advertising remote topic failsafe_flags
INFO  [uORB] Advertising remote topic actuator_armed
INFO  [uORB] Advertising remote topic vehicle_control_mode
INFO  [uORB] Advertising remote topic vehicle_status
INFO  [uORB] Advertising remote topic failure_detector_status
INFO  [qshell] Send cmd: 'commander mode posctl'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: commander mode posctl
INFO  [muorb] SLPI:   arg0 = 'commander'

INFO  [muorb] SLPI:   arg1 = 'mode'

INFO  [muorb] SLPI:   arg2 = 'posctl'

INFO  [uORB] Advertising remote topic vehicle_command
INFO  [muorb] SLPI: Ok executing command: commander mode posctl
INFO  [qshell] qshell return value timestamp: 816809125, local time: 816812053
INFO  [uORB] Advertising remote topic vehicle_command_ack
INFO  [qshell] Send cmd: 'param_set_selector start'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: param_set_selector start
INFO  [muorb] SLPI:   arg0 = 'param_set_selector'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [muorb] SLPI: Ok executing command: param_set_selector start
INFO  [qshell] qshell return value timestamp: 816848368, local time: 816850576
INFO  [qshell] Send cmd: 'flight_mode_manager start'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: flight_mode_manager start
INFO  [muorb] SLPI:   arg0 = 'flight_mode_manager'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [uORB] Marking DeviceNode(vehicle_command) as advertised in process_remote_topic
INFO  [muorb] SLPI: Ok executing command: flight_mode_manager start
INFO  [qshell] qshell return value timestamp: 816974943, local time: 816976246
INFO  [dataman] data manager file '/data/px4/dataman' size is 7866640 bytes
INFO  [muorb] SLPI: Advertising remote topic transponder_report
INFO  [muorb] SLPI: Advertising remote topic rtl_time_estimate
INFO  [muorb] SLPI: Advertising remote topic position_setpoint_triplet
INFO  [qshell] Send cmd: 'pwm_out_sim start -m hil'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: pwm_out_sim start -m hil
INFO  [muorb] SLPI:   arg0 = 'pwm_out_sim'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [muorb] SLPI:   arg2 = '-m'

INFO  [muorb] SLPI:   arg3 = 'hil'

INFO  [uORB] Advertising remote topic actuator_outputs
INFO  [muorb] SLPI: Ok executing command: pwm_out_sim start -m hil
INFO  [uORB] Advertising remote topic actuator_outputs_sim
INFO  [qshell] qshell return value timestamp: 818185249, local time: 818187816
INFO  [qshell] Send cmd: 'dsp_hitl start'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: dsp_hitl start
INFO  [muorb] SLPI:   arg0 = 'dsp_hitl'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [muorb] SLPI: Creating pthread dsp_hitl__main

INFO  [muorb] SLPI: Successfully created px4 task PX4_dsp_hitl__main with tid 2097645
INFO  [muorb] SLPI: Ok executing command: dsp_hitl start
**ERROR [muorb] SLPI: Port is open: 0**
INFO  [uORB] Advertising remote topic sensor_accel
INFO  [uORB] Advertising remote topic sensor_gyro
INFO  [muorb] SLPI: Got 5 from orb_subscribe
INFO  [qshell] qshell return value timestamp: 818227135, local time: 818228965
INFO  [uORB] Advertising remote topic esc_status
INFO  [mavlink] mode: Onboard, data rate: 100000 B/s on udp port 14556 remote port 14557
INFO  [muorb] SLPI: Advertising remote topic telemetry_status
INFO  [mavlink] partner IP: 127.0.0.1
INFO  [muorb] SLPI: Advertising remote topic timesync_status
INFO  [mavlink] mode: Normal, data rate: 100000 B/s on udp port 14558 remote port 14559
INFO  [muorb] SLPI: Marking DeviceNode(telemetry_status) as advertised in process_remote_topic
INFO  [uORB] Advertising remote topic vehicle_imu
INFO  [uORB] Advertising remote topic vehicle_imu_status
INFO  [muorb] SLPI: Preflight Fail: No valid data from Accel 0
INFO  [muorb] SLPI: Preflight Fail: barometer 0 missing
INFO  [muorb] SLPI: Preflight Fail: ekf2 missing data
INFO  [muorb] SLPI: Preflight Fail: No valid data from Gyro 0
INFO  [mavlink] MAVLink only on localhost (set param MAV_{i}_BROADCAST = 1 to enable network)
INFO  [px4] Startup script returned successfully
pxh>

      the only thing I find suspicious about this is:
      ERROR [muorb] SLPI: Port is open: 0

      any hint on what could be wrong?

      thank you,

      ModeratorM Eric KatzfeyE 3 Replies Last reply Reply Quote 0
      • ModeratorM
        Moderator Dev Team @tiralonghipol
        last edited by

        @tiralonghipol can you please share the version of software you are using as well as a picture of your setup (specifically the wiring)?

        1 Reply Last reply Reply Quote 0
        • Eric KatzfeyE
          Eric Katzfey Dev Team @tiralonghipol
          last edited by

          @tiralonghipol said in HITL Starling/Voxl2:

          Port is open

          That isn't actually an error. It was only output as an error to make it stand out. It's really just an indication that the serial port was opened successfully. We should probably change that to a regular info message instead of an error report.

          tiralonghipolT 1 Reply Last reply Reply Quote 0
          • tiralonghipolT
            tiralonghipol @Eric Katzfey
            last edited by tiralonghipol

            @Eric-Katzfey of course sorry I forgot!

            system-image: 1.6.2-M0054-14.1a-perf
            kernel: #1 SMP PREEMPT Fri May 19 22:19:33 UTC 2023 4.19.125

            hw version: M0054

            px4-ver all

            HW arch: MODALAI_VOXL2
            PX4 git-hash: d21e9718a77d72334e03dff79f2a7cb8e413b3a9
            PX4 version: 1.14.0 0 (17694720)
            PX4 git-branch: voxl-dev
            Vendor version: 2.0.56 0 (33568768)
            OS: Linux
            OS version: Release 4.19.125 (68386303)
            Build datetime: Nov 1 2023 15:16:24
            Build uri: localhost
            Build variant: default
            Toolchain: GNU GCC, 7.5.0
            PX4GUID: 100a41444f4d5649414c324c584f30303030
            UNKNOWN MCU

            this cable I'm using also has visual feedback on rx/tx with a green/red led
            I then suspect it is not a wiring issue but of course I might be wrong

            wiring.png

            1 Reply Last reply Reply Quote 0
            • Eric KatzfeyE
              Eric Katzfey Dev Team @tiralonghipol
              last edited by

              @tiralonghipol said in HITL Starling/Voxl2:

              INFO [muorb] SLPI: Preflight Fail: No valid data from Accel 0
              INFO [muorb] SLPI: Preflight Fail: barometer 0 missing
              INFO [muorb] SLPI: Preflight Fail: ekf2 missing data
              INFO [muorb] SLPI: Preflight Fail: No valid data from Gyro 0

              This part is telling us that there is no accelerometer, gyro, or barometer data. This is the data that is supposed to come in from gazebo over the serial link. So there is something wrong with that data transfer. Could be a cable issue of some type. At the px4 console what do you get when you enter qshell dsp_hitl status?

              tiralonghipolT 1 Reply Last reply Reply Quote 0
              • tiralonghipolT
                tiralonghipol @Eric Katzfey
                last edited by tiralonghipol

                @Eric-Katzfey thank you for the reply

                this is the output to the command you suggested:

                pxh> qshell dsp_hitl status
INFO  [qshell] Send cmd: 'dsp_hitl status'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: dsp_hitl status
INFO  [muorb] SLPI:   arg0 = 'dsp_hitl'

INFO  [muorb] SLPI:   arg1 = 'status'

INFO  [muorb] SLPI: Running: no
INFO  [muorb] SLPI: Status of IMU_Data counter: 0
INFO  [muorb] SLPI: Value of current accel x, y, z data: 0.000000, 0.000000, 0.000000
INFO  [muorb] SLPI: Value of current gyro x, y, z data: 0.000000, 0.000000, 0.000000
INFO  [muorb] SLPI: Value of HIL_Sensor counter: 0
INFO  [muorb] SLPI: Value of Heartbeat counter: 4
INFO  [muorb] SLPI: Value of Vision data counter: 0
INFO  [muorb] SLPI: Value of GPS Data counter: 0
INFO  [muorb] SLPI: Ok executing command: dsp_hitl status
INFO  [qshell] qshell return value timestamp: 59399090, local time: 59402895
pxh>

                then I thought ok, maybe id did not start for some reason.
                I then run
                qshell dsp_hitl start

                qshell dsp_hitl start
INFO  [qshell] Send cmd: 'dsp_hitl start'
INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
INFO  [muorb] SLPI: qshell gotten: dsp_hitl start
INFO  [muorb] SLPI:   arg0 = 'dsp_hitl'

INFO  [muorb] SLPI:   arg1 = 'start'

INFO  [muorb] SLPI: Creating pthread dsp_hitl__main

INFO  [muorb] SLPI: Successfully created px4 task PX4_dsp_hitl__main with tid 2097643
INFO  [muorb] SLPI: Ok executing command: dsp_hitl start
ERROR [muorb] SLPI: Port in use: 2 (22)
ERROR [muorb] SLPI: Port is open: -1
INFO  [uORB] Marking DeviceNode(sensor_accel) as advertised in process_remote_topic
INFO  [uORB] Marking DeviceNode(sensor_gyro) as advertised in process_remote_topic
INFO  [qshell] qshell return value timestamp: 1093811038, local time: 1093815063
pxh> INFO  [muorb] SLPI: Got 8 from orb_subscribe
INFO  [uORB] Marking DeviceNode(vehicle_imu) as advertised in process_remote_topic
INFO  [uORB] Marking DeviceNode(vehicle_imu_status) as advertised in process_remote_topic
                Eric KatzfeyE 2 Replies Last reply Reply Quote 0
                • Eric KatzfeyE
                  Eric Katzfey Dev Team @tiralonghipol
                  last edited by

                  @tiralonghipol Yeah, so that status tells us that it isn't getting any data over the serial port. So we need to figure out why not. In your first post you show that you start gazebo with:

                  @tiralonghipol said in HITL Starling/Voxl2:

                  gazebo Tools/simulation/gazebo-classic/sitl_gazebo-classic/worlds/hitl_iris_flex.world

                  Was that a typo? It should be hitl_iris.world not hitl_iris_flex.world. I'm not sure if that would cause a problem or not. Do you have a way to diagnose the serial cable? Can you reverse the tx and rx pins and see if that changes things? Can you look at the output of the cable tx line with an oscilloscope to see if you can detect data being sent by gazebo?

                  1 Reply Last reply Reply Quote 0
                  • Eric KatzfeyE
                    Eric Katzfey Dev Team @tiralonghipol
                    last edited by

                    @tiralonghipol You shouldn't have to start dsp_hitl. If you start px4 with the voxl-px4-hitl command then it will be started automatically.

                    1 Reply Last reply Reply Quote 0
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