My problem is as follows. I downloaded a image from Raspberry Pi official web, and I runed the setup.sh inorder to make a ardusub-raspbian image by myself. Here is the question !
When I runed
The result was
Connect /dev/serial/by-id/usb-3D_Robotics_PX4_FMU_v2.x_0-if00,115200 source_system=200
Failed to connect to /dev/serial/by-id/usb-3D_Robotics_PX4_FMU_v2.x_0-if00,115200 : [Errno 2] could not open port /dev/serial/by-id/usb-3D_Robotics_PX4_FMU_v2.x_0-if00: [Errno 2] No such file or directory: ‘/dev/serial/by-id/usb-3D_Robotics_PX4_FMU_v2.x_0-if00’