Example #1
0
    def goto_frame(self):
        '''
        Plays one single frame
        '''
        self.set_all_joints_stiff()

        pos_msg = JointCommand()
        pos_msg.joint_names = []
        pos_msg.velocities = [1.0] * 20
        pos_msg.positions = []
        pos_msg.accelerations = [-1.0] * 20
        pos_msg.max_currents = [-1.0] * 20


        for k,v in self._workingValues.items():
            pos_msg.joint_names.append(k)
            pos_msg.positions.append(v)

        torque_msg = JointTorque()
        torque_msg.joint_names = []
        torque_msg.on = []

        for k, v in self._checkBoxesPower[self._widget.frameList.currentItem().text()].items():
            torque_msg.joint_names.append(k)
            torque_msg.on.append(v)

        self.effort_pub.publish(torque_msg)
        self._joint_pub.publish(pos_msg)
Example #2
0
def cb(msg):
    msg2 = JointCommand()
    msg2.joint_names = msg.position.joint_names
    msg2.positions = msg.position.points[0].positions
    msg2.velocities = [-1] * len(msg2.joint_names)
    msg2.accelerations = [-1] * len(msg2.joint_names)
    msg2.max_currents = [-1] * len(msg2.joint_names)
    pub.publish(msg2)
    def animation_callback(self, msg):
        """ The animation server is sending us goal positions for the next keyframe"""
        self.blackboard.last_animation_goal_time = msg.header.stamp.to_sec()

        if msg.request:
            rospy.loginfo(
                "Got Animation request. HCM will try to get controllable now.")
            # animation has to wait
            # state machine should try to become controllable
            self.blackboard.animation_requested = True
            return

        if msg.first:
            if msg.hcm:
                # comming from ourselves
                # we don't have to do anything, since we must be in the right state
                pass
            else:
                # comming from outside
                # check if we can run an animation now
                if self.blackboard.current_state != STATE_CONTROLABLE:
                    rospy.logwarn(
                        "HCM is not controllable, animation refused.")
                    return
                else:
                    # we're already controllable, go to animation running
                    self.blackboard.external_animation_running = True

        if msg.last:
            if msg.hcm:
                # This was an animation from the DSD
                self.blackboard.hcm_animation_finished = True
                pass
            else:
                # this is the last frame, we want to tell the DSD, that we're finished with the animations
                self.blackboard.external_animation_running = False
                if msg.position is None:
                    # probably this was just to tell us we're finished
                    # we don't need to set another position to the motors
                    return

        # forward positions to motors, if some where transmitted
        if len(msg.position.points) > 0:
            out_msg = JointCommand()
            out_msg.positions = msg.position.points[0].positions
            out_msg.joint_names = msg.position.joint_names
            out_msg.accelerations = [-1] * len(out_msg.joint_names)
            out_msg.velocities = [-1] * len(out_msg.joint_names)
            out_msg.max_currents = [-1] * len(out_msg.joint_names)
            if self.blackboard.shut_down_request:
                # there are sometimes transmittions errors during shutdown due to race conditions
                # there is nothing we can do so just ignore the errors in this case
                try:
                    self.joint_goal_publisher.publish(out_msg)
                except:
                    pass
            else:
                self.joint_goal_publisher.publish(out_msg)
Example #4
0
    def box_ticked(self):
        '''
        Controls whether a checkbox has been clicked, and reacts.
        '''
        for k, v in self._treeItems.items():
            self._motorSwitched[k] = (v.checkState(0) == 2)

        for k, v in self._motorSwitched.items():
            self._textFields[k].setEnabled(v)
            self._sliders[k].setEnabled(v)

        self.set_sliders_and_text_fields(manual=False)

        ## Wolfgang part

        torque_msg = JointTorque()
        torque_msg.joint_names = []
        torque_msg.on = []

        if self._widget.treeModeSelector.currentIndex() == 0:
            for k, v in sorted(self._treeItems.items()):
                torque_msg.joint_names.append(k)
                torque_msg.on.append(v.checkState(0) == 2)

        pos_msg = JointCommand()
        pos_msg.joint_names = []
        pos_msg.velocities = [1.0] * 20
        pos_msg.positions = []
        pos_msg.accelerations = [-1.0] * 20
        pos_msg.max_currents = [-1.0] * 20

        for k, v in self._workingValues.items():
            pos_msg.joint_names.append(k)
            pos_msg.positions.append(v)

        self._joint_pub.publish(pos_msg)
        self.effort_pub.publish(torque_msg)
        if not self._widget.frameList.currentItem() == None:
            if not self._widget.frameList.currentItem().text(
            ) == "#CURRENT_FRAME":
                self.treeModeChanged(
                    self._widget.treeModeSelector.currentIndex())
                self.record(keep=True)
Example #5
0
    def goto_init(self):
        '''
        Plays init frame, sets all motor values to 0
        '''
        self.set_all_joints_stiff()

        if self._widget.frameList.currentItem().text() == "#CURRENT_FRAME":
            for k, v in self._workingValues.iteritems():
                self._workingValues[k] = 0.0
        for k, v in self._currentGoals.iteritems():
            self._currentGoals[k] = 0.0
        self.set_sliders_and_text_fields(manual=False)

        pos_msg = JointCommand()
        pos_msg.joint_names = self._initial_joints.name
        pos_msg.velocities = [1.0] * len(self._initial_joints.name)
        pos_msg.positions = [0.0] * len(self._initial_joints.name)
        pos_msg.accelerations = [-1.0] * len(self._initial_joints.name)
        pos_msg.max_currents = [-1.0] * len(self._initial_joints.name)

        self._joint_pub.publish(pos_msg)
Example #6
0
    request = IKRequest()
    request.group_name = "Head"
    request.timeout.secs = 1
    request.approximate = True
    request.look_at_goals.append(LookAtGoal())
    request.look_at_goals[0].link_name = "camera"
    request.look_at_goals[0].weight = 1
    request.look_at_goals[0].axis.x = 1

    pos_msg = JointCommand()
    pos_msg.joint_names = ["HeadPan", "HeadTilt"]
    pos_msg.positions = [0, 0]
    pos_msg.velocities = [1.5, 1.5]
    pos_msg.accelerations = [-1, -1]
    pos_msg.max_currents = [-1, -1]

    rospy.wait_for_service("/bio_ik/get_bio_ik")
    bio_ik = rospy.ServiceProxy('/bio_ik/get_bio_ik', GetIK)

    publish_motor_goals = rospy.Publisher('/head_motor_goals',
                                          JointCommand,
                                          queue_size=10)

    while not rospy.is_shutdown():
        x = float(input('x: '))
        y = float(input('y: '))
        point = PointStamped()
        point.header.stamp = rospy.Time.now()
        point.header.frame_id = 'base_footprint'
        point.point.x = x
Example #7
0
    y = 0
    th = 0
    status = 0

    # Head Part
    rospy.Subscriber("joint_states", JointState, joint_state_cb, queue_size=1)
    if rospy.get_param("sim_active", default=False):
        head_pub = rospy.Publisher("head_motor_goals",
                                   JointCommand,
                                   queue_size=1)
    else:
        head_pub = rospy.Publisher("DynamixelController/command",
                                   JointCommand,
                                   queue_size=1)
    head_msg = JointCommand()
    head_msg.max_currents = [-1] * 2
    head_msg.velocities = [5] * 2
    head_msg.accelerations = [40] * 2
    head_msg.joint_names = ['HeadPan', 'HeadTilt']
    head_msg.positions = [0] * 2

    head_pan_step = 0.05
    head_tilt_step = 0.05

    try:
        print(msg)
        while (1):
            key = getKey()
            if key in moveBindings.keys():
                x += moveBindings[key][0] * x_speed_step
Example #8
0
    "LHipRoll": 9,
    "LHipPitch": 10,
    "LKnee": 11,
    "LAnklePitch": 12,
    "LAnkleRoll": 13,
    "RHipYaw": 14,
    "RHipRoll": 15,
    "RHipPitch": 16,
    "RKnee": 17,
    "RAnklePitch": 18,
    "RAnkleRoll": 19
}

rospy.init_node("send_joint_command")

pos_msg = JointCommand()
pos_msg.joint_names = ids.keys()
#pos_msg.joint_names = ["RShoulderRoll"]
pos_msg.velocities = [-1.0] * 20
pos_msg.positions = [0.0] * 20
pos_msg.accelerations = [-1.0] * 20
pos_msg.max_currents = [-1.0] * 20

pub = rospy.Publisher("/DynamixelController/command",
                      JointCommand,
                      queue_size=1)
print(pos_msg)
while not rospy.is_shutdown():
    pos_msg.header.stamp = rospy.Time.now()
    pub.publish(pos_msg)
    rospy.sleep(0.1)