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发表于 2020-8-5 17:39:44
5244 浏览 4 回复
MAVROS通讯链接测试失败:显示 Device or resource busy
按照无人机仿真课程和实际无人机操作时,在尝试MAVROS通讯链接测试时输入如下指令：roslaunch mavros px4.launch fcu_url:="/dev/ttyUSB0:921600"
报错,我设置mavros通讯链接点是数传二口,无人机固件刷入和校准均已完成.请问这是什么原因.
started core service [/rosout]
process[mavros-2]: started with pid [3794]
[ INFO] [1596619273.412115327]: FCU URL: /dev/ttyUSB0:921600
[ INFO] [1596619273.413542291]: serial0: device: /dev/ttyUSB0 @ 921600 bps
[FATAL] [1596619273.413685693]: FCU: DeviceError:serial:open: Device or resource busy
================================================================================REQUIRED process [mavros-2] has died!
process has finished cleanly
log file: /home/amov/.ros/log/00fb09d0-d6fd-11ea-aa0e-701ce73a63ee/mavros-2*.log
Initiating shutdown!
================================================================================
[mavros-2] killing on exit
[rosout-1] killing on exit
[master] killing on exit
shutting down processing monitor...
... shutting down processing monitor complete
done
luaks已获得悬赏 1 阿木币最佳答案
我之前在笔记本运行的roslaunch ，由于无人机pixhawk2.4.8连接的是树莓派，得ssh了树莓派在树莓派端运行，可以成功
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楼主|
发表于 2020-8-5 19:20:58
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楼主|
发表于 2020-8-7 13:16:38
我之前在笔记本运行的roslaunch ，由于无人机pixhawk2.4.8连接的是树莓派，得ssh了树莓派在树莓派端运行，可以成功 |
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