ModalAI Forum
    • Categories
    • Recent
    • Tags
    • Popular
    • Users
    • Groups
    • Register
    • Login

    HITL with VOXL 2 Serial Port Closed

    Ask your questions right here!
    3
    7
    615
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • Taylor PresleyT
      Taylor Presley
      last edited by Taylor Presley

      Hey good afternoon,

      I'm following this user guide and Zach's YT tutorial to setup HITL. I modified iris_hitl.sdf serialDevice to /dev/ttyUSB0, but continue to receive "Serial port closed!" message instead of expected "Opened serial device /dev/ttyUSB0" after running 'gazebo Tools/sitl_gazebo/worlds/hitl_iris.world'

      I've included PX4 output on target and QGC output below. I think I have cabling correct because QGC reads mavlink messages (and doesn't when I switch TX/RX).

      I'm using VOXL 2 Flight Deck, Ubuntu 20.04, ROS Noetic, Gazebo 11, QGC daily build.

      How can I fix this?

      mdr@mdr:~$ adb shell
      voxl2:/$ voxl-px4-hitl -v
      Found DSP signature file
      Setting VIO Parameters for HITL
      INFO  [px4] mlockall() enabled. PX4's virtual address space is locked into RAM.
      INFO  [px4] assuming working directory is rootfs, no symlinks needed.
      
      ______  __   __    ___ 
      | ___ \ \ \ / /   /   |
      | |_/ /  \ V /   / /| |
      |  __/   /   \  / /_| |
      | |     / /^\ \ \___  |
      \_|     \/   \/     |_/
      
      px4 starting.
      
      INFO  [px4] Calling startup script: /bin/sh /etc/modalai/voxl-px4-hitl-vio-parameters.config 0
        CBRK_SUPPLY_CHK: curr: 0 -> new: 894281
      ERROR [parameters] Timeout waiting for parameter_client_set_value_response for CBRK_SUPPLY_CHK
        COM_DISARM_PRFLT: curr: 10.0000 -> new: -1.0000
      ERROR [parameters] Timeout waiting for parameter_client_set_value_response for COM_DISARM_PRFLT
        COM_RC_IN_MODE: curr: 0 -> new: 1
      ERROR [parameters] Timeout waiting for parameter_client_set_value_response for COM_RC_IN_MODE
        NAV_RCL_ACT: curr: 2 -> new: 0
      ERROR [parameters] Timeout waiting for parameter_client_set_value_response for NAV_RCL_ACT
        EKF2_AID_MASK: curr: 1 -> new: 280
      ERROR [parameters] Timeout waiting for parameter_client_set_value_response for EKF2_AID_MASK
        SYS_HAS_MAG: curr: 1 -> new: 0
      ERROR [parameters] Timeout waiting for parameter_client_set_value_response for SYS_HAS_MAG
        EKF2_MAG_TYPE: curr: 0 -> new: 5
      ERROR [parameters] Timeout waiting for parameter_client_set_value_response for EKF2_MAG_TYPE
        EKF2_HGT_MODE: curr: 0 -> new: 3
      ERROR [parameters] Timeout waiting for parameter_client_set_value_response for EKF2_HGT_MODE
      Exiting NOW.
      INFO  [px4] mlockall() enabled. PX4's virtual address space is locked into RAM.
      INFO  [px4] assuming working directory is rootfs, no symlinks needed.
      
      ______  __   __    ___ 
      | ___ \ \ \ / /   /   |
      | |_/ /  \ V /   / /| |
      |  __/   /   \  / /_| |
      | |     / /^\ \ \___  |
      \_|     \/   \/     |_/
      
      px4 starting.
      
      INFO  [px4] Calling startup script: /bin/sh /etc/modalai/voxl-px4-hitl.config 0
      INFO  [muorb] SLPI: Creating qurt thread hpwork
      
      INFO  [muorb] SLPI: Successfully created px4 task PX4_hpwork with tid 82
      INFO  [muorb] SLPI: Creating qurt thread lpwork
      
      INFO  [muorb] SLPI: Successfully created px4 task PX4_lpwork with tid 81
      INFO  [muorb] SLPI: Creating qurt thread wkr_hrt
      
      INFO  [muorb] SLPI: Successfully created px4 task PX4_wkr_hrt with tid 80
      INFO  [muorb] SLPI: Creating qurt thread client_sync_thread
      
      INFO  [muorb] SLPI: Successfully created px4 task PX4_client_sync_thread with tid 79
      INFO  [muorb] SLPI: Creating qurt thread wq_manager
      
      INFO  [muorb] SLPI: Successfully created px4 task PX4_wq_manager with tid 78
      INFO  [muorb] SLPI: Creating qurt thread qshell
      
      INFO  [muorb] SLPI: Successfully created px4 task PX4_qshell with tid 77
      INFO  [muorb] SLPI: muorb aggregator thread running
      INFO  [logger] logger started (mode=all)
      INFO  [logger] Start file log (type: full)
      INFO  [logger] [logger] /data/px4/log/sess011/log001.ulg
      INFO  [logger] Opened full log file: /data/px4/log/sess011/log001.ulg
      INFO  [muorb] SLPI: Advertising remote topic mavlink_log
      ERROR [logger] No subscriptions added
      INFO  [muorb] SLPI: Advertising remote topic logger_status
      INFO  [qshell] Send cmd: 'icm42688p start -s -h'
      INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
      INFO  [muorb] SLPI: qshell gotten: icm42688p start -s -h
      INFO  [muorb] SLPI: Creating qurt thread wq_SPI1
      
      INFO  [muorb] SLPI: Successfully created px4 task PX4_wq_SPI1 with tid 76
      INFO  [muorb] SLPI: *** SPI Device ID 0x26000a 2490378
      INFO  [muorb] SLPI: on SPI bus 1
      INFO  [muorb] SLPI: icm42688p #0 on SPI bus 1 (devid=0x0)
      INFO  [muorb] SLPI: 
      
      INFO  [muorb] SLPI: Ok executing command: icm42688p start -s -h
      INFO  [muorb] SLPI: Sending qshell retval with timestamp 388011943, current timestamp 388011944
      INFO  [uorb] Advertising remote topic qshell_retval
      INFO  [qshell] qshell return value timestamp: 388011943, local time: 388014777
      INFO  [muorb] SLPI: Marking DeviceNode(parameter_client_reset_request) as advertised in process_remote_topic
      ERROR [muorb] SLPI: Cannot reset all parameters on client side
      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  [dataman] Unknown restart, data manager file '/data/px4/dataman' size is 11798680 bytes
      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: Creating qurt thread wq_nav_and_controllers
      
      INFO  [muorb] SLPI: Successfully created px4 task PX4_wq_nav_and_controllers with tid 75
      INFO  [muorb] SLPI: Creating qurt thread wq_rate_ctrl
      
      INFO  [muorb] SLPI: Successfully created px4 task PX4_wq_rate_ctrl with tid 74
      INFO  [muorb] SLPI: Ok executing command: sensors start -h
      INFO  [muorb] SLPI: Sending qshell retval with timestamp 390387672, current timestamp 390387673
      INFO  [uorb] Advertising remote topic sensors_status_imu
      INFO  [qshell] qshell return value timestamp: 390387672, local time: 390391251
      INFO  [muorb] SLPI: Advertising remote topic mission
      INFO  [commander] LED: open /dev/led0 failed (22)
      INFO  [muorb] SLPI: Advertising remote topic led_control
      INFO  [muorb] SLPI: Advertising remote topic tune_control
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed EKF health preflight check while waiting for filter to settle
      INFO  [muorb] SLPI: Advertising remote topic vehicle_control_mode
      INFO  [muorb] SLPI: Advertising remote topic vehicle_status
      INFO  [muorb] SLPI: Advertising remote topic actuator_armed
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [muorb] SLPI: Advertising remote topic commander_state
      INFO  [muorb] SLPI: Advertising remote topic vehicle_status_flags
      INFO  [muorb] SLPI: Advertising remote topic vehicle_command
      INFO  [commander] Handling Commander command 176
      INFO  [muorb] SLPI: Advertising remote topic vehicle_command_ack
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [muorb] SLPI: Advertising remote topic position_setpoint_triplet
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
      INFO  [muorb] SLPI: qshell gotten: mc_pos_control start
      INFO  [qshell] Send cmd: 'mc_pos_control start'
      INFO  [muorb] SLPI: Ok executing command: mc_pos_control start
      INFO  [muorb] SLPI: Sending qshell retval with timestamp 391611165, current timestamp 391611166
      INFO  [qshell] qshell return value timestamp: 391611165, local time: 391614168
      INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
      INFO  [qshell] Send cmd: 'mc_att_control start'
      INFO  [muorb] SLPI: qshell gotten: mc_att_control start
      INFO  [muorb] SLPI: Ok executing command: mc_att_control start
      INFO  [muorb] SLPI: Sending qshell retval with timestamp 391695176, current timestamp 391695177
      INFO  [qshell] qshell return value timestamp: 391695176, local time: 391696851
      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: Ok executing command: mc_rate_control start
      INFO  [muorb] SLPI: Sending qshell retval with timestamp 391819694, current timestamp 391819695
      INFO  [qshell] qshell return value timestamp: 391819694, local time: 391821826
      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: Ok executing command: mc_hover_thrust_estimator start
      INFO  [muorb] SLPI: Sending qshell retval with timestamp 391884503, current timestamp 391884503
      INFO  [qshell] qshell return value timestamp: 391884503, local time: 391887045
      INFO  [PreFlightCheck] Failed barometer preflight check
      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: Ok executing command: land_detector start multicopter
      INFO  [muorb] SLPI: Sending qshell retval with timestamp 391986368, current timestamp 391986369
      INFO  [qshell] qshell return value timestamp: 391986368, local time: 391987655
      INFO  [uorb] Advertising remote topic vehicle_land_detected
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      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: Creating qurt thread wq_hp_default
      
      INFO  [muorb] SLPI: Successfully created px4 task PX4_wq_hp_default with tid 73
      INFO  [uorb] Advertising remote topic test_motor
      INFO  [muorb] SLPI: Ok executing command: pwm_out_sim start -m hil
      INFO  [muorb] SLPI: Sending qshell retval with timestamp 393044419, current timestamp 393044420
      INFO  [qshell] qshell return value timestamp: 393044419, local time: 393045458
      INFO  [qshell] Send cmd: 'mixer load /dev/pwm_output0 quad_x.main.mix'
      INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
      INFO  [muorb] SLPI: qshell gotten: mixer load /dev/pwm_output0 quad_x.main.mix
      INFO  [muorb] SLPI: Ok executing command: mixer load /dev/pwm_output0 quad_x.main.mix
      INFO  [muorb] SLPI: Sending qshell retval with timestamp 393105036, current timestamp 393105037
      INFO  [qshell] qshell return value timestamp: 393105036, local time: 393107031
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [qshell] Send cmd: 'ekf2 start'
      INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
      INFO  [muorb] SLPI: qshell gotten: ekf2 start
      INFO  [muorb] SLPI: Creating qurt thread wq_INS0
      
      INFO  [muorb] SLPI: Successfully created px4 task PX4_wq_INS0 with tid 4169
      INFO  [muorb] SLPI: Ok executing command: ekf2 start
      INFO  [muorb] SLPI: Sending qshell retval with timestamp 394406195, current timestamp 394406196
      INFO  [qshell] qshell return value timestamp: 394406195, local time: 394407062
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [qshell] Send cmd: 'modalai_dsp start -v -p 2 -b 921600'
      INFO  [muorb] SLPI: Marking DeviceNode(qshell_req) as advertised in process_remote_topic
      INFO  [muorb] SLPI: qshell gotten: modalai_dsp start -v -p 2 -b 921600
      INFO  [muorb] SLPI: Creating qurt thread modalai_dsp__main
      
      INFO  [muorb] SLPI: Successfully created px4 task PX4_modalai_dsp__main with tid 72
      INFO  [muorb] SLPI: Ok executing command: modalai_dsp start -v -p 2 -b 921600
      INFO  [muorb] SLPI: Sending qshell retval with timestamp 395459398, current timestamp 395459399
      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  [muorb] SLPI: Got 6 from orb_subscribe
      INFO  [muorb] SLPI: Got 7 from orb_subscribe
      INFO  [muorb] SLPI: Got 8 from orb_subscribe
      INFO  [qshell] qshell return value timestamp: 395459398, local time: 395467699
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [mavlink] mode: Onboard, data rate: 100000 B/s on udp port 14556 remote port 14557
      INFO  [muorb] SLPI: Marking DeviceNode(vehicle_command) as advertised in process_remote_topic
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [px4] Startup script returned successfully
      pxh> 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  [muorb] SLPI: Advertising remote topic vehicle_visual_odometry
      INFO  [muorb] SLPI: Advertising remote topic obstacle_distance
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      INFO  [PreFlightCheck] Failed barometer preflight check
      pxh> parmaINFO  [PreFlightCheck] Failed barometer preflight check
      pxh> parINFO  [PreFlightCheck] Failed barometer preflight check
      pxh> param INFO  [PreFlightCheck] Failed barometer preflight check
      pxh> param setINFO  [PreFlightCheck] Failed barometer preflight check
      pxh> param set INFO  [PreFlightCheck] Failed barometer preflight check
      pxh> param set SYINFO  [PreFlightCheck] Failed barometer preflight check
      pxh> param set SYS_INFO  [PreFlightCheck] Failed barometer preflight check
      pxh> param set SYS_HAINFO  [PreFlightCheck] Failed barometer preflight check
      pxh> param set SYS_HAS_INFO  [PreFlightCheck] Failed barometer preflight check
      pxh> param set SYS_HAS_BAINFO  [PreFlightCheck] Failed barometer preflight check
      pxh> param set SYS_HAS_BAROINFO  [PreFlightCheck] Failed barometer preflight check
      pxh> param set SYS_HAS_BARO 0INFO  [PreFlightCheck] Failed barometer preflight check
      
        SYS_HAS_BARO: curr: 1 -> new: 0
      pxh> commander check
      ERROR [PreFlightCheck] Preflight Fail: no valid data from Accel 0
      INFO  [PreFlightCheck] Preflight Fail: no valid data from Accel 0
      ERROR [PreFlightCheck] Preflight Fail: Accel Range, hold still on arming
      ERROR [PreFlightCheck] Preflight Fail: no valid data from Gyro 0
      INFO  [PreFlightCheck] Preflight Fail: no valid data from Gyro 0
      INFO  [commander] Preflight check: FAILED
      INFO  [commander] Prearm check: OK
      INFO  [HealthFlags] DEVICE		STATUS
      INFO  [HealthFlags] ----------------------------------
      INFO  [HealthFlags] GYRO:		 	
      INFO  [HealthFlags] ACC:		 	
      INFO  [HealthFlags] MAG:		 	
      INFO  [HealthFlags] PRESS:		 	
      INFO  [HealthFlags] AIRSP:		 	
      INFO  [HealthFlags] GPS:		 	OK
      INFO  [HealthFlags] OPT:		 	
      INFO  [HealthFlags] VIO:		 	
      INFO  [HealthFlags] LASER:		 	
      INFO  [HealthFlags] GTRUTH:		 	
      INFO  [HealthFlags] RATES:		 	
      INFO  [HealthFlags] ATT:		 	
      INFO  [HealthFlags] YAW:		 	
      INFO  [HealthFlags] ALTCTL:		 	
      INFO  [HealthFlags] POS:		 	
      INFO  [HealthFlags] MOT:		 	
      INFO  [HealthFlags] RC  :		EN	OFF
      INFO  [HealthFlags] GYRO2:		 	
      INFO  [HealthFlags] ACC2:		 	
      INFO  [HealthFlags] MAG2:		 	
      INFO  [HealthFlags] GEOFENCE:		 	
      INFO  [HealthFlags] AHRS:		EN	ERR
      INFO  [HealthFlags] TERRAIN:		 	
      INFO  [HealthFlags] REVMOT:		 	
      INFO  [HealthFlags] LOGGIN:		 	
      INFO  [HealthFlags] BATT:		 	
      INFO  [HealthFlags] PROX:		 	
      INFO  [HealthFlags] SATCOM:		 	
      INFO  [HealthFlags] PREARM:		EN	ERR
      INFO  [HealthFlags] OBSAVD:
      
      mdr@mdr:~/Downloads$ ./QGroundControl.AppImage 
      Settings location "/home/mdr/.config/QGroundControl.org/QGroundControl Daily.ini" Is writable?: true
      Filter rules "*Log.debug=false\nGStreamerAPILog.debug=true\nqt.qml.connections=false"
      System reported locale: QLocale(English, Latin, United States) ; Name "en_US" ; Preffered (used in maps):  "en-US"
      serialnmea: No known GPS device found. Specify the COM port via QT_NMEA_SERIAL_PORT.
      MAVLinkLogManagerLog: MAVLink logs directory: "/home/mdr/Documents/QGroundControl Daily/Logs"
      Map Cache in: "/home/mdr/.cache/QGCMapCache300" / "qgcMapCache.db"
      setCurrentPlanViewSeqNum
      setCurrentPlanViewSeqNum
      Adding target QHostAddress("192.168.0.2") 14550
      setCurrentPlanViewSeqNum
      setCurrentPlanViewSeqNum
      ParameterManagerLog: Attemping load from cache
      ParameterManagerLog: Parameters cache match failed /home/mdr/.config/QGroundControl.org/ParamCache/1_1.v2
      FactPanelControllerLog: Missing parameter: "1:SYS_AUTOSTART"
      FactPanelControllerLog: Missing parameter: "1:SYS_AUTOCONFIG"
      FactPanelControllerLog: Missing parameter: "1:SYS_AUTOSTART"
      FactPanelControllerLog: Missing parameter: "1:BAT1_N_CELLS"
      FactPanelControllerLog: Missing parameter: "1:BAT1_V_EMPTY"
      FactPanelControllerLog: Missing parameter: "1:BAT1_V_CHARGED"
      setCurrentPlanViewSeqNum
      setCurrentPlanViewSeqNum
      
      1 Reply Last reply Reply Quote 0
      • Zachary LowellZ
        Zachary Lowell ModalAI Team
        last edited by

        Hi @Taylor-Presley

        Does /dev/ttyUSB0 show up in your dev environment when you plug in your FTDI cable?

        Zach

        1 Reply Last reply Reply Quote 0
        • Taylor PresleyT
          Taylor Presley
          last edited by

          Zach,

          Thanks for taking the time to look at this! Yes, see snippets below:

          mdr@mdr:~$ lsusb
          Bus 001 Device 002: ID 0403:6001 Future Technology Devices International, Ltd FT232 Serial (UART) IC
          
          
          mdr@mdr:~$ dmesg | grep ttyUSB
          [    3.219261] usb 1-2: FTDI USB Serial Device converter now attached to ttyUSB0
          
          Taylor PresleyT 1 Reply Last reply Reply Quote 0
          • Taylor PresleyT
            Taylor Presley @Taylor Presley
            last edited by

            @Zachary-Lowell have you had a chance to investigate? Is there any additional information I could provide that would help?

            Thanks,
            Taylor

            1 Reply Last reply Reply Quote 0
            • Zachary LowellZ
              Zachary Lowell ModalAI Team
              last edited by

              Try giving your usb device root permissions. Do the following:

              sudo chmod 777 /dev/ttyUSB0

              and then try rerunning all the same code. I think this might be a permissions issue. @Taylor-Presley

              1 Reply Last reply Reply Quote 0
              • Taylor PresleyT
                Taylor Presley
                last edited by

                @Zachary-Lowell I have two instances setup, one for SITL with ROS, gazebo, and PX4 firmware, and another following the VOXL 2 PX4 HITL User Guide. I'm not sure why, but when I deleted the bashrc sources to the SITL catkin_ws and ROS package paths, and then followed the instructions, I was able to connect to gazebo with HITL and takeoff/land. Gazebo now prints 'Opened serial device /dev/ttyUSB0.' Thanks!

                1 Reply Last reply Reply Quote 0
                • Zachary Lowell 0Z
                  Zachary Lowell 0 ModalAI Team
                  last edited by

                  Hm thats super strange but I am glad you got it working! Keep us posted on how the project turns out 🙂

                  1 Reply Last reply Reply Quote 0
                  • First post
                    Last post
                  Powered by NodeBB | Contributors