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PX4配置过程与踩坑 - 云梦士

 1 year ago
source link: https://www.cnblogs.com/yunmeng-shi/p/16330819.html
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由于需要在GitHub下载代码，而国内访问受限，可能会出现一些问题，这里建议使用github国内镜像，参看：GitHub国内镜像网站，当然下面会给出具体解决方案。

1.1下载源码：git clone https://github.com/PX4/PX4-Autopilot.git

注意：
若该步骤出错，使用镜像,也就是运行：git clone https://hub.fastgit.xyz/PX4/PX4-Autopilot.git
或者使用gitee镜像：git clone https://gitee.com/robin_shaun/PX4_Firmware(注意使用这个方法时的源码文件名是PX4_Firmware)

1.2 切换到源码文件夹：cd PX4-Autopilot

1.3 更新工程子模块git submodule update --init --recursive

注意：
若该步骤出错，归根到底还是因为github访问不稳定。解决方案如下：
(方案的总体原则就是改变源码里面各个.gitmodules文件里的下载地址，需要注意的是源码位置，我这里是将源码放在主文件夹下，也就是 ~/PX4_Autopilot)

(1)源码主文件夹下

  1. cd ~/PX4_Autopilot
  2. gedit .gitmodules
    (注意：这里主要是为了修改文件，我用的是gedit编辑器，也可以用vim, nano，vs code之类的,后面相同)
    将 .gitmodules 中的内容更换为：
[submodule "mavlink/include/mavlink/v2.0"]
	path = mavlink/include/mavlink/v2.0
	url = https://gitee.com/robin_shaun/c_library_v2.git
	branch = master
[submodule "src/drivers/uavcan/libuavcan"]
	path = src/drivers/uavcan/libuavcan
	url = https://gitee.com/robin_shaun/uavcan.git
	branch = px4
[submodule "Tools/jMAVSim"]
	path = Tools/jMAVSim
	url = https://gitee.com/robin_shaun/jMAVSim.git
	branch = master
[submodule "Tools/sitl_gazebo"]
	path = Tools/sitl_gazebo
	url = https://gitee.com/robin_shaun/sitl_gazebo.git
	branch = master
[submodule "src/lib/matrix"]
	path = src/lib/matrix
	url = https://gitee.com/robin_shaun/Matrix.git
	branch = master
[submodule "src/lib/ecl"]
	path = src/lib/ecl
	url = https://gitee.com/robin_shaun/ecl.git
	branch = master
[submodule "boards/atlflight/cmake_hexagon"]
	path = boards/atlflight/cmake_hexagon
	url = https://gitee.com/robin_shaun/cmake_hexagon.git
	branch = px4
[submodule "src/drivers/gps/devices"]
	path = src/drivers/gps/devices
	url = https://gitee.com/robin_shaun/GpsDrivers.git
	branch = master
[submodule "src/modules/micrortps_bridge/micro-CDR"]
	path = src/modules/micrortps_bridge/micro-CDR
	url = https://gitee.com/robin_shaun/micro-CDR.git
	branch = px4
[submodule "platforms/nuttx/NuttX/nuttx"]
	path = platforms/nuttx/NuttX/nuttx
	url = https://gitee.com/robin_shaun/NuttX.git
	branch = px4_firmware_nuttx-9.1.0+
[submodule "platforms/nuttx/NuttX/apps"]
	path = platforms/nuttx/NuttX/apps
	url = https://gitee.com/robin_shaun/NuttX-apps.git
	branch = px4_firmware_nuttx-9.1.0+
[submodule "platforms/qurt/dspal"]
	path = platforms/qurt/dspal
	url = https://gitee.com/robin_shaun/dspal.git
[submodule "Tools/flightgear_bridge"]
	path = Tools/flightgear_bridge
	url = https://gitee.com/robin_shaun/PX4-FlightGear-Bridge.git
	branch = master 
[submodule "Tools/jsbsim_bridge"]
	path = Tools/jsbsim_bridge
	url = https://gitee.com/robin_shaun/px4-jsbsim-bridge.git
[submodule "src/examples/gyro_fft/CMSIS_5"]
	path = src/examples/gyro_fft/CMSIS_5
	url = https://gitee.com/mirrors/CMSIS_5
  1. git submodule update --init

(2) libuavcan文件夹

  1. cd ~/PX4_Autopilot/src/drivers/uavcan/libuavcan
  2. gedit .gitmodules
    将 .gitmodules 中的内容更换为：
[submodule "dsdl"]
	path = dsdl
	url = https://gitee.com/robin_shaun/dsdl
	branch = legacy-v0
[submodule "libuavcan/dsdl_compiler/pyuavcan"]
	path = libuavcan/dsdl_compiler/pyuavcan
	url = https://gitee.com/robin_shaun/pyuavcan
[submodule "libuavcan_drivers/kinetis"]
	path = libuavcan_drivers/kinetis
	url = https://gitee.com/robin_shaun/libuavcan_kinetis.git
  1. git submodule update --init

(3) jMAVSim文件夹

  1. cd ~/PX4_Autopilot/Tools/jMAVSim
  2. gedit .gitmodules
    将 .gitmodules 中的内容更换为：
[submodule "jMAVlib"]
	path = jMAVlib
	url = https://gitee.com/robin_shaun/jMAVlib
	branch = master
  1. git submodule update --init

(4) sitl_gazebo文件夹

  1. cd ~/PX4_Autopilot/Tools/sitl_gazebo
  2. gedit .gitmodules
    将 .gitmodules 中的内容更换为：
[submodule "external/OpticalFlow"]
	path = external/OpticalFlow
	url = https://gitee.com/robin_shaun/OpticalFlow
  1. git submodule update --init

(5) dspal文件夹

  1. cd ~/PX4_Autopilot/platforms/qurt/dspal
  2. gedit .gitmodules
    将 .gitmodules 中的内容更换为：
[submodule "cmake_hexagon"]
	path = cmake_hexagon
	url = https://gitee.com/robin_shaun/cmake_hexagon
  1. git submodule update --init

(6) pyuavcan文件夹

  1. cd ~/PX4_Autopilot/src/drivers/uavcan/libuavcan/libuavcan/dsdl_compiler/pyuavcan
  2. gedit .gitmodules
    将 .gitmodules 中的内容更换为：
[submodule "dsdl"]
	path = dsdl
	url = https://gitee.com/robin_shaun/dsdl
  1. git submodule update --init

(7) OpticalFlow文件夹

  1. cd ~/PX4_Autopilot/Tools/sitl_gazebo/external/OpticalFlow
  2. gedit .gitmodules
    将 .gitmodules 中的内容更换为：
[submodule "external/klt_feature_tracker"]
	path = external/klt_feature_tracker
	url = https://gitee.com/robin_shaun/klt_feature_tracker
  1. git submodule update --init

(8)终于修改完了，可以再次运行下这句命令

git submodule update --init

1.4 编译

cd ~/PX4_Firmware
make px4_sitl_default gazebo

注意：
这一步可能会报错：ninja: build stopped: subcommand failed.

image

不要慌！

  1. 先看看子模块是否更新成功。执行命令：git submodule update --init --recursive
    linux哲学，没有消息就是好消息，如果没有出现任何内容，说明子模块更新成功（看不懂什么是子模块也没问题，意思就是到此为止，没问题）。
  2. 接下来清理下make环境就ok了：make clean
  3. 最后再执行一次编译命令：make px4_sitl_default
    以下是我成功的界面
    image

2. 打开gazebo make px4_sitl_default gazebo

注意：
如果gazebo出不来，可以这么做：

  1. 清理一下：make distclean
  2. 重新安装：sudo apt-get install ros-melodic-gazebo-dev
  3. 再次运行：make px4_sitl_default gazebo
    image

2. 祝你配置顺利！如有问题，欢迎讨论！


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