Esempio n. 1
0
class Gui(QMainWindow):
    """!
    Main GUI Class

    Contains the main function and interfaces between the GUI and functions.
    """
    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.ui = Ui_MainWindow()
        self.ui.setupUi(self)
        """ Groups of ui commonents """
        self.error_lcds = [
            self.ui.rdoutBaseErrors, self.ui.rdoutShoulderErrors,
            self.ui.rdoutElbowErrors, self.ui.rdoutWristErrors,
            self.ui.rdoutWrist2Errors, self.ui.rdoutWrist3Errors
        ]
        self.joint_readouts = [
            self.ui.rdoutBaseJC, self.ui.rdoutShoulderJC, self.ui.rdoutElbowJC,
            self.ui.rdoutWristJC, self.ui.rdoutWrist2JC, self.ui.rdoutWrist3JC
        ]
        self.joint_slider_rdouts = [
            self.ui.rdoutBase, self.ui.rdoutShoulder, self.ui.rdoutElbow,
            self.ui.rdoutWrist, self.ui.rdoutWrist2, self.ui.rdoutWrist3
        ]
        self.joint_sliders = [
            self.ui.sldrBase, self.ui.sldrShoulder, self.ui.sldrElbow,
            self.ui.sldrWrist, self.ui.sldrWrist2, self.ui.sldrWrist3
        ]
        """Objects Using Other Classes"""
        self.kinect = Kinect()
        self.rexarm = Rexarm()
        self.tp = TrajectoryPlanner(self.rexarm)
        self.sm = StateMachine(self.rexarm, self.tp, self.kinect)
        self.sm.is_logging = False
        """
        Attach Functions to Buttons & Sliders
        TODO: NAME AND CONNECT BUTTONS AS NEEDED
        """
        # Video
        self.ui.videoDisplay.setMouseTracking(True)
        self.ui.videoDisplay.mouseMoveEvent = self.trackMouse
        self.ui.videoDisplay.mousePressEvent = self.calibrateMousePress
        # Buttons
        # Handy lambda function that can be used with Partial to only set the new state if the rexarm is initialized
        nxt_if_arm_init = lambda next_state: self.sm.set_next_state(
            next_state if self.rexarm.initialized else None)
        self.ui.btn_estop.clicked.connect(self.estop)
        self.ui.btn_init_arm.clicked.connect(self.initRexarm)
        self.ui.btnUser1.setText("Calibrate")
        self.ui.btnUser1.clicked.connect(partial(nxt_if_arm_init, 'calibrate'))
        ##OUR_CODE
        self.ui.btn_exec.clicked.connect(self.execute)
        self.ui.btnUser2.clicked.connect(self.record)
        self.ui.btnUser3.clicked.connect(self.playback)
        self.ui.btnUser4.clicked.connect(self.execute_tp)
        self.ui.btnUser5.clicked.connect(self.toggle_logging)
        self.ui.btnUser1.clicked.connect(self.calibrate)
        self.ui.btnUser6.clicked.connect(self.blockDetect)
        self.ui.btnUser7.clicked.connect(self.openGripper)
        self.ui.btnUser8.clicked.connect(self.closeGripper)
        self.ui.btnUser9.clicked.connect(self.clickGrab)
        # Sliders
        for sldr in self.joint_sliders:
            sldr.valueChanged.connect(self.sliderChange)
        self.ui.sldrMaxTorque.valueChanged.connect(self.sliderChange)
        self.ui.sldrSpeed.valueChanged.connect(self.sliderChange)
        # Direct Control
        self.ui.chk_directcontrol.stateChanged.connect(self.directControlChk)
        # Status
        self.ui.rdoutStatus.setText("Waiting for input")
        # Auto exposure
        self.ui.chkAutoExposure.stateChanged.connect(self.autoExposureChk)
        """initalize manual control off"""
        self.ui.SliderFrame.setEnabled(False)
        """Setup Threads"""
        # Rexarm runs its own thread

        # Video
        self.videoThread = VideoThread(self.kinect)
        self.videoThread.updateFrame.connect(self.setImage)
        self.videoThread.start()

        # State machine
        self.logicThread = LogicThread(self.sm)
        self.logicThread.start()

        # Display
        self.displayThread = DisplayThread(self.rexarm, self.sm)
        self.displayThread.updateJointReadout.connect(self.updateJointReadout)
        self.displayThread.updateEndEffectorReadout.connect(
            self.updateEndEffectorReadout)
        self.displayThread.updateStatusMessage.connect(
            self.updateStatusMessage)
        self.displayThread.updateJointErrors.connect(self.updateJointErrors)
        self.displayThread.start()

    """ Slots attach callback functions to signals emitted from threads"""

    @pyqtSlot(QImage, QImage)
    def setImage(self, rgb_image, depth_image):
        """!
        @brief      Display the images from the kinect.

        @param      rgb_image    The rgb image
        @param      depth_image  The depth image
        """
        if (self.ui.radioVideo.isChecked()):
            self.ui.videoDisplay.setPixmap(QPixmap.fromImage(rgb_image))
        if (self.ui.radioDepth.isChecked()):
            self.ui.videoDisplay.setPixmap(QPixmap.fromImage(depth_image))

    @pyqtSlot(list)
    def updateJointReadout(self, joints):
        for rdout, joint in zip(self.joint_readouts, joints):
            rdout.setText(str('%+.2f' % (joint * R2D)))

    @pyqtSlot(list)
    def updateEndEffectorReadout(self, pos):
        self.ui.rdoutX.setText(str("%+.2f" % (pos[0])))
        self.ui.rdoutY.setText(str("%+.2f" % (pos[1])))
        self.ui.rdoutZ.setText(str("%+.2f" % (pos[2])))
        self.ui.rdoutT.setText(str("%+.2f" % (pos[3])))
        self.ui.rdoutG.setText(str("%+.2f" % (pos[4])))
        self.ui.rdoutP.setText(str("%+.2f" % (pos[5])))

    @pyqtSlot(list)
    def updateJointErrors(self, errors):
        for lcd, error in zip(self.error_lcds, errors):
            lcd.display(error)

    @pyqtSlot(str)
    def updateStatusMessage(self, msg):
        self.ui.rdoutStatus.setText(msg)

    """ Other callback functions attached to GUI elements"""

    def estop(self):
        self.sm.set_next_state("estop")

    def execute(self):
        self.sm.set_next_state("execute")

    def record(self):
        self.sm.set_next_state("record")

    def playback(self):
        self.sm.set_next_state("playback")

    def execute_tp(self):
        self.sm.set_next_state("execute_tp")

    def calibrate(self):
        self.sm.set_next_state("calibrate")

    def blockDetect(self):
        self.kinect.blockDetector()

    def openGripper(self):
        self.rexarm.open_gripper()

    def closeGripper(self):
        self.rexarm.close_gripper()

    def clickGrab(self):
        self.sm.set_next_state("clickGrab")

    def toggle_logging(self):
        if not self.sm.is_logging:
            # with open('log_data.csv', 'a') as log_file:
            self.rexarm.log_file = open('log_data.csv', 'a')
            self.rexarm.csv_writer = csv.writer(self.rexarm.log_file,
                                                delimiter=',')
            self.sm.is_logging = True
        else:
            self.rexarm.log_file.close()
            self.sm.is_logging = False

    def sliderChange(self):
        """!
        @brief Slider changed

        Function to change the slider labels when sliders are moved and to command the arm to the given position
        """
        for rdout, sldr in zip(self.joint_slider_rdouts, self.joint_sliders):
            rdout.setText(str(sldr.value()))

        self.ui.rdoutTorq.setText(str(self.ui.sldrMaxTorque.value()) + "%")
        self.ui.rdoutSpeed.setText(str(self.ui.sldrSpeed.value()) + "%")

        # Do nothing if the rexarm is not initialized
        if self.rexarm.initialized:
            self.rexarm.set_torque_limits(
                [self.ui.sldrMaxTorque.value() / 100.0] *
                self.rexarm.num_joints)
            self.rexarm.set_speeds_normalized_all(self.ui.sldrSpeed.value() /
                                                  100.0)
            joint_positions = np.array(
                [sldr.value() * D2R for sldr in self.joint_sliders])
            # Only send the joints that the rexarm has
            self.rexarm.set_positions(
                joint_positions[0:self.rexarm.num_joints])

    def directControlChk(self, state):
        """!
        @brief      Changes to direct control mode

                    Will only work if the rexarm is initialized.

        @param      state  State of the checkbox
        """
        if state == Qt.Checked and self.rexarm.initialized:
            # Go to manual and enable sliders
            self.sm.set_next_state("manual")
            self.ui.SliderFrame.setEnabled(True)
        else:
            # Lock sliders and go to idle
            self.sm.set_next_state("idle")
            self.ui.SliderFrame.setEnabled(False)
            self.ui.chk_directcontrol.setChecked(False)

    def autoExposureChk(self, state):
        """!
        @brief      Sets the Kinect auto exposer

        @param      state  State of the checkbox
        """
        if state == Qt.Checked and self.kinect.kinectConnected == True:
            self.kinect.toggleExposure(True)
        else:
            self.kinect.toggleExposure(False)

    def trackMouse(self, mouse_event):
        """!
        @brief      Show the mouse position in GUI

                    TODO: after implementing workspace calibration display the world coordinates the mouse points to in the RGB
                    video image.

        @param      mouse_event  QtMouseEvent containing the pose of the mouse at the time of the event not current time
        """
        # if self.kinect.DepthFrameRaw.any() != 0:
        #     self.ui.rdoutMousePixels.setText("(-,-,-)")
        #     self.ui.rdoutMouseWorld.setText("(-,-,-)")
        if self.kinect.cameraCalibrated:
            pixel = np.array([mouse_event.y(), mouse_event.x()])
            # cameraCoord = self.kinect.pixel2Camera(pixel)
            worldCoord = self.kinect.getWorldCoord(pixel)
            self.kinect.worldCoords = worldCoord
            # print(worldCoord)
            self.ui.rdoutMousePixels.setText(np.array2string(pixel))
            # self.ui.rdoutMouseWorld.setText(np.array2string((worldCoord * 100).astype(int)))
            self.ui.rdoutMouseWorld.setText(np.array2string((worldCoord)))

    def calibrateMousePress(self, mouse_event):
        """!
        @brief Record mouse click positions for calibration

        @param      mouse_event  QtMouseEvent containing the pose of the mouse at the time of the event not current time
        """
        """ Get mouse posiiton """
        pt = mouse_event.pos()
        self.kinect.last_click[0] = pt.x()
        self.kinect.last_click[1] = pt.y()
        self.kinect.new_click = True
        # print(self.kinect.last_click)

    def initRexarm(self):
        """!
        @brief      Initializes the rexarm.
        """
        self.sm.set_next_state('initialize_rexarm')
        self.ui.SliderFrame.setEnabled(False)
        self.ui.chk_directcontrol.setChecked(False)
Esempio n. 2
0
class Gui(QMainWindow):
    """ 
    Main GUI Class
    contains the main function and interfaces between 
    the GUI and functions
    """
    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.ui = Ui_MainWindow()
        self.ui.setupUi(self)
        """ Set GUI to track mouse """
        QWidget.setMouseTracking(self, True)
        """dynamixel bus -- add other motors here"""
        self.dxlbus = DXL_BUS(DEVICENAME, BAUDRATE)
        port_num = self.dxlbus.port()
        base = DXL_MX(port_num, 0)
        shld = DXL_MX(port_num, 1)
        elbw = DXL_MX(port_num, 2)
        wrst = DXL_AX(port_num, 3)
        wrst2 = DXL_XL(port_num, 4)
        grip = DXL_XL(port_num, 5)
        """Objects Using Other Classes"""
        self.rexarm = Rexarm((base, shld, elbw, wrst, wrst2), grip)
        self.kinect = Kinect(self.rexarm)
        self.tp = TrajectoryPlanner(self.rexarm)
        self.sm = StateMachine(self.rexarm, self.tp, self.kinect)
        """ 
        Attach Functions to Buttons & Sliders
        TODO: NAME AND CONNECT BUTTONS AS NEEDED
        """
        self.ui.btn_estop.clicked.connect(self.estop)
        self.ui.btnUser1.setText("Calibrate")
        self.ui.btnUser1.clicked.connect(
            partial(self.sm.set_next_state, "calibrate"))
        self.ui.sldrBase.valueChanged.connect(self.sliderChange)
        self.ui.sldrShoulder.valueChanged.connect(self.sliderChange)
        self.ui.sldrElbow.valueChanged.connect(self.sliderChange)
        self.ui.sldrWrist.valueChanged.connect(self.sliderChange)

        ### sliders gripper
        self.ui.sldrGrip1.valueChanged.connect(self.sliderChange)
        self.ui.sldrGrip2.valueChanged.connect(self.sliderChange)

        ### button gripper open & close
        self.ui.btnUser5.clicked.connect(self.btn2clicked)
        self.ui.btnUser6.clicked.connect(self.btn1clicked)

        self.ui.sldrMaxTorque.valueChanged.connect(self.sliderChange)
        self.ui.sldrSpeed.valueChanged.connect(self.sliderChange)
        self.ui.chk_directcontrol.stateChanged.connect(self.directControlChk)
        self.ui.rdoutStatus.setText("Waiting for input")
        self.ui.btn_exec.clicked.connect(
            partial(self.sm.set_next_state, "execute"))

        self.ui.btnUser2.setText("Record wp")
        self.ui.btnUser3.setText("Clear wp")
        self.ui.btnUser4.setText("Click and pick")
        self.ui.btnUser2.clicked.connect(
            partial(self.sm.set_next_state, "add_wp"))
        self.ui.btnUser3.clicked.connect(
            partial(self.sm.set_next_state, "clear_wp"))
        self.ui.btnUser4.clicked.connect(
            partial(self.sm.set_next_state, "click_and_pick"))
        self.ui.btnUser7.setText("Save Calibration Points")
        self.ui.btnUser8.setText("Load Previous Calibration")
        self.ui.btnUser7.clicked.connect(
            partial(self.sm.set_next_state, "save_calibration_points"))
        self.ui.btnUser8.clicked.connect(
            partial(self.sm.set_next_state, "load_previous_calibration"))
        self.ui.btnUser9.setText("Record Block Position")
        self.ui.btnUser9.clicked.connect(
            partial(self.sm.set_next_state, "record_block_position"))
        self.ui.btnUser5.setText("Open Gripper")
        self.ui.btnUser6.setText("Close Gripper")

        self.ui.btn_task1.clicked.connect(
            partial(self.sm.set_next_state, "mirror"))

        self.ui.btn_task2.clicked.connect(
            partial(self.sm.set_next_state, "stack_3"))
        self.ui.btn_task3.clicked.connect(
            partial(self.sm.set_next_state, "line_em_up"))
        self.ui.btn_task4.clicked.connect(
            partial(self.sm.set_next_state, "stack_em_high"))

        self.ui.btn_exec_6.clicked.connect(
            partial(self.sm.set_next_state, "pyramid5"))
        """initalize manual control off"""
        self.ui.SliderFrame.setEnabled(False)
        """initalize rexarm"""
        self.rexarm.initialize()
        """Setup Threads"""
        self.videoThread = VideoThread(self.kinect)
        self.videoThread.updateFrame.connect(self.setImage)
        self.videoThread.start()

        self.logicThread = LogicThread(self.sm)
        self.logicThread.start()

        self.displayThread = DisplayThread(self.rexarm, self.sm)
        self.displayThread.updateJointReadout.connect(self.updateJointReadout)
        self.displayThread.updateEndEffectorReadout.connect(
            self.updateEndEffectorReadout)
        self.displayThread.updateStatusMessage.connect(
            self.updateStatusMessage)
        self.displayThread.start()
        """ 
        Setup Timer 
        this runs the trackMouse function every 50ms
        """
        self._timer = QTimer(self)
        self._timer.timeout.connect(self.trackMouse)
        self._timer.start(50)

    """ Slots attach callback functions to signals emitted from threads"""

    @pyqtSlot(QImage, QImage, QImage)
    def setImage(self, rgb_image, depth_image, detect_image):
        if (self.ui.radioVideo.isChecked()):
            self.ui.videoDisplay.setPixmap(QPixmap.fromImage(rgb_image))
        if (self.ui.radioDepth.isChecked()):
            self.ui.videoDisplay.setPixmap(QPixmap.fromImage(depth_image))
        if (self.ui.radioDetect.isChecked()):
            self.ui.videoDisplay.setPixmap(QPixmap.fromImage(detect_image))

    @pyqtSlot(list)
    def updateJointReadout(self, joints):
        self.ui.rdoutBaseJC.setText(str("%+.2f" % (joints[0] * R2D)))
        self.ui.rdoutShoulderJC.setText(
            str("%+.2f" % ((joints[1] * R2D) + 90.0)))
        self.ui.rdoutElbowJC.setText(str("%+.2f" % (joints[2] * R2D)))
        self.ui.rdoutWristJC.setText(str("%+.2f" % (joints[3] * R2D)))
###
#self.ui.rdoutGrip1.setText(str("%+.2f" % (joints[4]*R2D)))
#self.ui.rdoutGrip2.setText(str("%+.2f" % (joints[5]*R2D)))
###

    @pyqtSlot(list)
    def updateEndEffectorReadout(self, pos):
        self.ui.rdoutX.setText(str("%+.2f" % (pos[0])))
        self.ui.rdoutY.setText(str("%+.2f" % (pos[1])))
        self.ui.rdoutZ.setText(str("%+.2f" % (pos[2])))
        self.ui.rdoutT.setText(str("%+.2f" % (pos[3])))

    @pyqtSlot(str)
    def updateStatusMessage(self, msg):
        self.ui.rdoutStatus.setText(msg)

    """ Other callback functions attached to GUI elements"""

    def estop(self):
        self.rexarm.estop = True
        self.sm.set_next_state("estop")

    def sliderChange(self):
        """ 
        Function to change the slider labels when sliders are moved
        and to command the arm to the given position
        """
        self.ui.rdoutBase.setText(str(self.ui.sldrBase.value()))
        self.ui.rdoutShoulder.setText(str(self.ui.sldrShoulder.value()))
        self.ui.rdoutElbow.setText(str(self.ui.sldrElbow.value()))
        self.ui.rdoutWrist.setText(str(self.ui.sldrWrist.value()))
        ###
        self.ui.rdoutGrip1.setText(str(self.ui.sldrGrip1.value()))
        self.ui.rdoutGrip2.setText(str(self.ui.sldrGrip2.value()))
        ###
        self.ui.rdoutTorq.setText(str(self.ui.sldrMaxTorque.value()) + "%")
        self.ui.rdoutSpeed.setText(str(self.ui.sldrSpeed.value()) + "%")
        self.rexarm.set_torque_limits([self.ui.sldrMaxTorque.value() / 100.0] *
                                      self.rexarm.num_joints,
                                      update_now=False)
        self.rexarm.set_speeds_normalized_global(self.ui.sldrSpeed.value() /
                                                 100.0,
                                                 update_now=False)
        ###
        joint_positions = np.array([
            self.ui.sldrBase.value() * D2R,
            self.ui.sldrShoulder.value() * D2R,
            self.ui.sldrElbow.value() * D2R,
            self.ui.sldrWrist.value() * D2R, (self.ui.sldrGrip1.value()) * D2R
        ])

        self.rexarm.set_positions(joint_positions, update_now=False)


###

    def btn1clicked(self):
        self.rexarm.close_gripper()

    def btn2clicked(self):
        self.rexarm.open_gripper()

    def btn3clicked(self):
        initdeg = -39.5
        self.rexarm.set_gripper_rotate(initdeg)

    def directControlChk(self, state):
        if state == Qt.Checked:
            self.sm.set_next_state("manual")
            self.ui.SliderFrame.setEnabled(True)
        else:
            self.sm.set_next_state("idle")
            self.ui.SliderFrame.setEnabled(False)

    def trackMouse(self):
        """ 
        Mouse position presentation in GUI
        TODO: after implementing workspace calibration 
        display the world coordinates the mouse points to 
        in the RGB video image.
        """

        x = QWidget.mapFromGlobal(self, QCursor.pos()).x()
        y = QWidget.mapFromGlobal(self, QCursor.pos()).y()
        if ((x < MIN_X) or (x >= MAX_X) or (y < MIN_Y) or (y >= MAX_Y)):
            self.ui.rdoutMousePixels.setText("(-,-,-)")
            self.ui.rdoutMouseWorld.setText("(-,-,-)")
        else:
            x = x - MIN_X
            y = y - MIN_Y
            """color calibration"""
            #color = self.kinect.colorDetector(x,y)
            #self.kinect.colorCalibration(x,y)
            #self.kinect.block_detection_verification(x,y)
            # map real world
            real_x = self.kinect.real_coord[x][y][0]
            real_y = self.kinect.real_coord[x][y][1]

            if (self.kinect.currentDepthFrame.any() != 0):
                z = self.kinect.currentDepthFrame[y][x]
                real_z = self.kinect.convertDepthtomm(z)
                self.ui.rdoutMousePixels.setText("(%.0f,%.0f,%.0f)" %
                                                 (x, y, z))
                if self.kinect.kinectCalibrated == True:
                    self.ui.rdoutMouseWorld.setText("(%.0f,%.0f,%.0f)" %
                                                    (real_x, real_y, real_z))
                else:
                    self.ui.rdoutMouseWorld.setText("(-,-,-)")

    def mousePressEvent(self, QMouseEvent):
        """ 
        Function used to record mouse click positions for calibration 
        """
        """ Get mouse posiiton """
        x = QMouseEvent.x()
        y = QMouseEvent.y()
        """ If mouse position is not over the camera image ignore """
        if ((x < MIN_X) or (x > MAX_X) or (y < MIN_Y) or (y > MAX_Y)): return
        """ Change coordinates to image axis """
        self.kinect.last_click[0] = x - MIN_X
        self.kinect.last_click[1] = y - MIN_Y
        self.kinect.new_click = True
        #print(self.kinect.last_click)

    def shutdown(self):
        self.rexarm.shutdown()

    def closeEvent(self, *args, **kwargs):
        super(QMainWindow, self).closeEvent(*args, **kwargs)
        print("EXITING...")
        self.shutdown()
Esempio n. 3
0
class Gui(QMainWindow):
    """ 
    Main GUI Class
    contains the main function and interfaces between 
    the GUI and functions
    """
    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.ui = Ui_MainWindow()
        self.ui.setupUi(self)
        """ Set GUI to track mouse """
        QWidget.setMouseTracking(self, True)
        """
        Dynamixel bus
        TODO: add other motors here as needed with their correct address"""
        self.dxlbus = DXL_BUS(DEVICENAME, BAUDRATE)
        port_num = self.dxlbus.port()
        base = DXL_MX(port_num, 1)
        shld = DXL_MX(port_num, 2)
        elbw = DXL_MX(port_num, 3)
        wrst = DXL_AX(port_num, 4)
        wrst2 = DXL_AX(port_num, 5)
        wrst3 = DXL_XL(port_num, 6)
        gripper = DXL_XL(port_num, 7)
        """Objects Using Other Classes"""
        self.kinect = Kinect()
        self.rexarm = Rexarm((base, shld, elbw, wrst, wrst2, wrst3), gripper)
        self.tp = TrajectoryPlanner(self.rexarm)
        self.sm = StateMachine(self.rexarm, self.tp, self.kinect)
        """ 
        Attach Functions to Buttons & Sliders
        TODO: NAME AND CONNECT BUTTONS AS NEEDED
        """
        self.ui.btn_estop.clicked.connect(self.estop)
        self.ui.btn_exec.clicked.connect(self.execute)
        self.ui.btn_task1.clicked.connect(self.teach)
        self.ui.btn_task2.clicked.connect(self.record)
        self.ui.btn_task3.clicked.connect(self.repeat)
        self.ui.btn_task4.clicked.connect(self.traj)
        self.ui.btn_exec_6.clicked.connect(self.pickplace)
        self.ui.btnUser3.clicked.connect(self.grip)
        self.ui.btnUser2.clicked.connect(self.release)
        self.ui.btnUser4.clicked.connect(self.task1)
        self.ui.btnUser5.clicked.connect(self.task2)
        self.ui.btnUser6.clicked.connect(self.task3)
        self.ui.btnUser7.clicked.connect(self.task4)
        self.ui.btnUser8.clicked.connect(self.task5)
        self.ui.btnUser1.setText("Calibrate")
        self.ui.btnUser1.clicked.connect(
            partial(self.sm.set_next_state, "calibrate"))
        self.ui.sldrBase.valueChanged.connect(self.sliderChange)
        self.ui.sldrShoulder.valueChanged.connect(self.sliderChange)
        self.ui.sldrElbow.valueChanged.connect(self.sliderChange)
        self.ui.sldrWrist.valueChanged.connect(self.sliderChange)
        self.ui.sldrGrip1.valueChanged.connect(self.sliderChange)
        self.ui.sldrWrist2.valueChanged.connect(self.sliderChange)
        self.ui.sldrWrist3.valueChanged.connect(self.sliderChange)

        self.ui.sldrMaxTorque.valueChanged.connect(self.sliderChange)
        self.ui.sldrSpeed.valueChanged.connect(self.sliderChange)
        self.ui.chk_directcontrol.stateChanged.connect(self.directControlChk)
        self.ui.rdoutStatus.setText("Waiting for input")
        """initalize manual control off"""
        self.ui.SliderFrame.setEnabled(False)
        """initalize rexarm"""
        self.rexarm.initialize()
        """Setup Threads"""
        self.videoThread = VideoThread(self.kinect)
        self.videoThread.updateFrame.connect(self.setImage)
        self.videoThread.start()

        self.logicThread = LogicThread(self.sm)
        self.logicThread.start()

        self.displayThread = DisplayThread(self.rexarm, self.sm)
        self.displayThread.updateJointReadout.connect(self.updateJointReadout)
        self.displayThread.updateEndEffectorReadout.connect(
            self.updateEndEffectorReadout)
        self.displayThread.updateStatusMessage.connect(
            self.updateStatusMessage)
        self.displayThread.start()
        """ 
        Setup Timer 
        this runs the trackMouse function every 50ms
        """
        self._timer = QTimer(self)
        self._timer.timeout.connect(self.trackMouse)
        self._timer.start(50)

    """ Slots attach callback functions to signals emitted from threads"""

    @pyqtSlot(QImage, QImage, QImage, QImage)
    def setImage(self, rgb_image, depth_image, blob_rgb, blog_depth):
        if (self.ui.radioVideo.isChecked()):
            self.ui.videoDisplay.setPixmap(QPixmap.fromImage(rgb_image))
        if (self.ui.radioDepth.isChecked()):
            self.ui.videoDisplay.setPixmap(QPixmap.fromImage(depth_image))
        if (self.ui.radioUsr1.isChecked()):
            self.ui.videoDisplay.setPixmap(QPixmap.fromImage(blob_rgb))
        if (self.ui.radioUsr2.isChecked()):
            self.ui.videoDisplay.setPixmap(QPixmap.fromImage(blog_depth))

    @pyqtSlot(list)
    def updateJointReadout(self, joints):
        self.ui.rdoutBaseJC.setText(str("%+.2f" % (joints[0] * R2D)))
        self.ui.rdoutShoulderJC.setText(
            str("%+.2f" % ((joints[1] * R2D) + 90.0)))
        self.ui.rdoutElbowJC.setText(str("%+.2f" % (joints[2] * R2D)))
        self.ui.rdoutWristJC.setText(str("%+.2f" % (joints[3] * R2D)))
        self.ui.rdoutWrist2JC.setText(str("%+.2f" % (joints[4] * R2D)))

        if (len(joints) > 5):
            self.ui.rdoutWrist3JC.setText(str("%+.2f" % (joints[5] * R2D)))

        else:
            self.ui.rdoutWrist3JC.setText(str("N.A."))

    @pyqtSlot(list)
    def updateEndEffectorReadout(self, pos):
        self.ui.rdoutX.setText(str("%+.2f" % (pos[0])))
        self.ui.rdoutY.setText(str("%+.2f" % (pos[1])))
        self.ui.rdoutZ.setText(str("%+.2f" % (pos[2])))
        self.ui.rdoutT.setText(str("%+.2f" % (pos[3])))
        self.ui.rdoutG.setText(str("%+.2f" % (pos[4])))
        self.ui.rdoutP.setText(str("%+.2f" % (pos[5])))

    @pyqtSlot(str)
    def updateStatusMessage(self, msg):
        self.ui.rdoutStatus.setText(msg)

    """ Other callback functions attached to GUI elements"""

    def estop(self):
        self.rexarm.estop = True
        self.sm.set_next_state("estop")

    def execute(self):
        self.sm.set_next_state("execute")

    def teach(self):
        self.sm.set_next_state("teach")

    def record(self):
        self.sm.waypoints.append(self.rexarm.get_positions()[:])
        print(self.rexarm.get_positions())

    def repeat(self):
        self.sm.set_next_state("repeat")

    def traj(self):
        self.sm.set_next_state("traj")

    def pickplace(self):
        self.sm.set_next_state("pickplace")

    def grip(self):
        self.rexarm.close_gripper()

    def release(self):
        self.rexarm.open_gripper()

    def task1(self):
        self.sm.set_next_state("task1")

    def task2(self):
        self.sm.set_next_state("task2")

    def task3(self):
        self.sm.set_next_state("task3")

    def task4(self):
        self.sm.set_next_state("task4")

    def task5(self):
        self.sm.set_next_state("task5")

    def sliderChange(self):
        """ 
        Function to change the slider labels when sliders are moved
        and to command the arm to the given position
        """
        self.ui.rdoutBase.setText(str(self.ui.sldrBase.value()))
        self.ui.rdoutShoulder.setText(str(self.ui.sldrShoulder.value()))
        self.ui.rdoutElbow.setText(str(self.ui.sldrElbow.value()))
        self.ui.rdoutWrist.setText(str(self.ui.sldrWrist.value()))

        self.ui.rdoutWrist2.setText(str(self.ui.sldrWrist2.value()))
        self.ui.rdoutWrist3.setText(str(self.ui.sldrWrist3.value()))

        self.ui.rdoutGrip1.setText(str(self.ui.sldrGrip1.value()))

        self.ui.rdoutTorq.setText(str(self.ui.sldrMaxTorque.value()) + "%")
        self.ui.rdoutSpeed.setText(str(self.ui.sldrSpeed.value()) + "%")
        self.rexarm.set_torque_limits([self.ui.sldrMaxTorque.value() / 100.0] *
                                      self.rexarm.num_joints,
                                      update_now=False)
        self.rexarm.set_speeds_normalized_global(self.ui.sldrSpeed.value() /
                                                 100.0,
                                                 update_now=False)
        joint_positions = np.array([
            self.ui.sldrBase.value() * D2R,
            self.ui.sldrShoulder.value() * D2R,
            self.ui.sldrElbow.value() * D2R,
            self.ui.sldrWrist.value() * D2R,
            self.ui.sldrWrist2.value() * D2R,
            self.ui.sldrWrist3.value() * D2R
        ])
        self.rexarm.set_positions(joint_positions, update_now=False)

    def directControlChk(self, state):
        if state == Qt.Checked:
            self.sm.set_next_state("manual")
            self.ui.SliderFrame.setEnabled(True)
        else:
            self.sm.set_next_state("idle")
            self.ui.SliderFrame.setEnabled(False)

    def trackMouse(self):
        """ 
        Mouse position presentation in GUI
        TODO: after implementing workspace calibration 
        display the world coordinates the mouse points to 
        in the RGB video image.
        """

        x = QWidget.mapFromGlobal(self, QCursor.pos()).x()
        y = QWidget.mapFromGlobal(self, QCursor.pos()).y()
        if ((x < MIN_X) or (x >= MAX_X) or (y < MIN_Y) or (y >= MAX_Y)):
            self.ui.rdoutMousePixels.setText("(-,-,-)")
            self.ui.rdoutMouseWorld.setText("(-,-,-)")
        else:
            x = x - MIN_X
            y = y - MIN_Y
            if (self.kinect.currentDepthFrame.any() != 0):
                z = self.kinect.currentDepthFrame[y][x]
                xw, yw, zw = self.kinect.getWorldCoord((x, y, z))
                self.ui.rdoutMousePixels.setText("(%.0f,%.0f,%.0f)" %
                                                 (x, y, z))
                self.ui.rdoutMouseWorld.setText("(%.0f,%.0f,%.0f)" %
                                                (xw, yw, zw))

    def mousePressEvent(self, QMouseEvent):
        """ 
        Function used to record mouse click positions for calibration 
        """
        """ Get mouse posiiton """
        x = QMouseEvent.x()
        y = QMouseEvent.y()
        """ If mouse position is not over the camera image ignore """
        if ((x < MIN_X) or (x > MAX_X) or (y < MIN_Y) or (y > MAX_Y)): return
        """ Change coordinates to image axis """
        self.kinect.last_click[0] = x - MIN_X
        self.kinect.last_click[1] = y - MIN_Y
        self.kinect.new_click = True
Esempio n. 4
0
Test the gripper

TODO: Use this file and modify as you see fit to test gripper
"""
import os

script_path = os.path.dirname(os.path.realpath(__file__))
os.sys.path.append(os.path.realpath(script_path + '/../'))
import time
from rexarm import Rexarm

rexarm = Rexarm()
rexarm.initialize(config_file=script_path +
                  '/../config/gripper_only_config.csv')

# Test blocking versions
rexarm.open_gripper_blocking()
rexarm.close_gripper_blocking()
rexarm.toggle_gripper_blocking()

# Test non-blocking versions
rexarm.open_gripper()
time.sleep(1)
rexarm.close_gripper()
time.sleep(1)
rexarm.toggle_gripper()
time.sleep(1)

rexarm.disable_torque()
time.sleep(1)