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Nooploop_UWB_AOA_TrackCAR

《空循环Nooploop》的Linktrack AOA测距模块的研究运用,实现基于飞思卡尔智能车平台的自动跟随

1、根据空循环的官网AOA的README.md文件,要实现标签与基站的通信,必须先下载串口通信库:

2、本程序和硬件设备之间采用串口通信,请先点击安装该串口通信库,注意,如果是第一次使用串口设备,通常需要开启串口操作权限,详情参考Fix serial port permission denied errors on Linux

先连接上模块,查看USB设备:

ls -l /dev/ttyUSB*

如检测到USB0,给串口权限(重启后权限无效,需重新执行):

sudo chmod 777 /dev/ttyUSB0

永久打开串口权限,重启后仍然生效:

whoami  #查看自己的<username>用户名
sudo usermod -a -G dialout <username>  #将当前用户加入到dialout用户组,使其具有操作ttyUSB0的权限

3、按如下步骤克隆代码并编译

cd catkin_workspace/src
git clone https://github.com/sssdhjh/Nooploop_UWB_AOA_TrackCAR.git
cd ../
catkin_make
source devel/setup.bash

#如果以上的git链接出现无法定位nlink_parser/LinktrackAoaNodeframe0文件的情况,请删除原来的驱动包,下载下方的官方驱动包,再如上重新编译
git clone --recursive https://github.com/nooploop-dev/nlink_parser.git 
<!--注意-->
如果你使用官网的驱动包并想使用本例程,需要重新配置.具体请参考<<护卫型机器人配置手册>>

注意,每次打开新命令行窗口都需要执行 source devel/setup.bash 重新获取该ROS工作空间环境变量.

roscore catkin_make source ./devel/setup.bash

rosrun nlink_parser linktrack_aoa

参数

  • port_name 设备串行端口名称,默认值: /dev/ttyUSB0.
  • baud_rate 设备波特率,默认值: 921600.

订阅的话题

  • /nlink_linktrack_data_transmission ([std_msgs::String])

    你可以通过对该话题发布消息,将数据发送给LinkTrack节点,进而利用数传功能

发布的话题

  • /nlink_linktrack_nodeframe0 ([nlink_parser::LinktrackNodeframe0])
  • /nlink_linktrack_aoa_nodeframe0 ([nlink_parser::LinktrackAoaNodeframe0])

rosrun nlink_parser track_aoa_sub

参数

  • port_name ZigBee端口名称,默认值: /dev/ttyUSB1.
  • baud_rate 设备波特率,默认值: 115200.

订阅的话题

  • nlink_linktrack_aoa_nodeframe0" ((const char [31]))

    获取标签与基站的实时参数,可通过串口通信发送出去

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