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2016-08-18 11:14:57 -0600 commented question main_window.hpp:73: error: no matching function for call to 'ros::NodeHandle::subscribe(const char [9], int, <unresolved overloaded function type>)

you just need to link Qserialport library inside your cmakelist.txt Same as the following link -- http://stackoverflow.com/questions/34...
But there is something to resolve (i dont know how yet ) because we are using in a different QThread.

2016-08-17 11:11:31 -0600 received badge  Enthusiast
2016-08-05 10:26:32 -0600 commented answer How to install ROS indigo in Ubuntu 14.04 trusty 64-bit?

Thanks!, its works in ubuntu 14.04.5!.

2016-08-05 10:03:38 -0600 received badge  Supporter (source)
2015-04-10 17:26:51 -0600 answered a question move motoman robot with .cpp

strong text Do you add the Duration? to traj?

i'm think the robot doesn't move because the default duration its = 0 so that's problem.

trajectory_msgs::JointTrajectory traj; traj.header.stamp = ros::Time::now(); traj.joint_names.resize(6);

    traj.points.resize(2);
    traj.points[0].velocities.resize(6);
    traj.points[1].velocities.resize(6);
    traj.points[0].positions.resize(6);
    traj.points[1].positions.resize(6);

    traj.joint_names=joint_cap.name;

    traj.points[0].positions=start_pt;
    traj.points[1].positions=end_pt;
    traj.points[0].time_from_start=ros::Duration(1);
    traj.points[1].time_from_start=ros::Duration(1);
    joint_path_command.publish(traj);

try this code to assign 1 sec to the trajectory. and pls tell me if that works.