Пример #1
0
    def _cb(self, msg):
        json_dir = msg.data
        if not osp.isdir(json_dir):
            rospy.logfatal_throttle(
                10, 'Input json_dir is not directory: %s' % json_dir)
            return

        bridge = cv_bridge.CvBridge()
        if 'item_location' in self._types:
            filename = osp.join(json_dir, 'item_location_file.json')
            if osp.exists(filename):
                order_file = osp.join(json_dir, 'order_file.json')
                if not osp.exists(order_file):
                    order_file = None

                img = jsk_arc2017_common.visualize_item_location(
                    filename, order_file)
                imgmsg = bridge.cv2_to_imgmsg(img, encoding='rgb8')
                imgmsg.header.stamp = rospy.Time.now()
                self.pub_item_location.publish(imgmsg)
            else:
                rospy.logwarn_throttle(10, '%s does not exists yet' % filename)
        if 'order' in self._types:
            filename = osp.join(json_dir, 'order_file.json')
            if osp.exists(filename):
                img = jsk_arc2017_common.visualize_order(filename)
                imgmsg = bridge.cv2_to_imgmsg(img, encoding='rgb8')
                imgmsg.header.stamp = rospy.Time.now()
                self.pub_order.publish(imgmsg)
            else:
                rospy.logwarn_throttle(10, '%s does not exists yet' % filename)
Пример #2
0
    def _cb(self, msg):
        json_dir = msg.data
        if not osp.isdir(json_dir):
            rospy.logfatal_throttle(
                10, 'Input json_dir is not directory: %s' % json_dir)
            return

        bridge = cv_bridge.CvBridge()
        if 'item_location' in self._types:
            filename = osp.join(json_dir, 'item_location_file.json')
            if osp.exists(filename):
                order_file = osp.join(json_dir, 'order_file.json')
                if not osp.exists(order_file):
                    order_file = None

                img = jsk_arc2017_common.visualize_item_location(
                    filename, order_file)
                imgmsg = bridge.cv2_to_imgmsg(img, encoding='rgb8')
                imgmsg.header.stamp = rospy.Time.now()
                self.pub_item_location.publish(imgmsg)
            else:
                rospy.logwarn_throttle(10, '%s does not exists yet' % filename)
        if 'order' in self._types:
            filename = osp.join(json_dir, 'order_file.json')
            if osp.exists(filename):
                img = jsk_arc2017_common.visualize_order(filename)
                imgmsg = bridge.cv2_to_imgmsg(img, encoding='rgb8')
                imgmsg.header.stamp = rospy.Time.now()
                self.pub_order.publish(imgmsg)
            else:
                rospy.logwarn_throttle(10, '%s does not exists yet' % filename)
Пример #3
0
    def _timer_cb(self, event):
        if self.json_dir is None:
            rospy.logwarn_throttle(10, 'Input json_dir is not set.')
            return

        if not osp.isdir(self.json_dir):
            rospy.logfatal_throttle(
                10, 'Input json_dir is not directory: %s' % self.json_dir)
            return
        filename = osp.join(self.json_dir, 'item_location_file.json')
        if osp.exists(filename):
            with open(filename) as location_f:
                data = json.load(location_f)

            bin_contents = {}
            for bin_ in data['bins']:
                bin_contents[bin_['bin_id']] = bin_['contents']
            tote_contents = data['tote']['contents']

            if self.target_location[:3] == 'bin':
                contents = bin_contents[self.target_location[4]]
            elif self.target_location == 'tote':
                contents = tote_contents
            else:
                return
            candidates_fixed = [
                l for l in self.label_names if l.startswith('__')
            ]
            candidates = candidates_fixed + contents
            label_list = [self.label_names.index(x) for x in candidates]
            label_list = sorted(label_list)
            labels = []
            for label in label_list:
                label_msg = Label()
                label_msg.id = label
                label_msg.name = self.label_names[label]
                labels.append(label_msg)
            msg = LabelArray()
            msg.labels = labels
            msg.header.stamp = rospy.Time.now()
            self.pub.publish(msg)
Пример #4
0
    def _timer_cb(self, event):
        if self.json_dir is None:
            rospy.logwarn_throttle(10, 'Input json_dir is not set.')
            return

        if not osp.isdir(self.json_dir):
            rospy.logfatal_throttle(
                10, 'Input json_dir is not directory: %s' % self.json_dir)
            return
        filename = osp.join(self.json_dir, 'item_location_file.json')
        if osp.exists(filename):
            with open(filename) as location_f:
                data = json.load(location_f)

            bin_contents = {}
            for bin_ in data['bins']:
                bin_contents[bin_['bin_id']] = bin_['contents']
            tote_contents = data['tote']['contents']

            if self.target_location[:3] == 'bin':
                contents = bin_contents[self.target_location[4]]
            elif self.target_location == 'tote':
                contents = tote_contents
            else:
                return
            candidates_fixed = [l for l in self.label_names
                                if l.startswith('__')]
            candidates = candidates_fixed + contents
            label_list = [self.label_names.index(x) for x in candidates]
            label_list = sorted(label_list)
            labels = []
            for label in label_list:
                label_msg = Label()
                label_msg.id = label
                label_msg.name = self.label_names[label]
                labels.append(label_msg)
            msg = LabelArray()
            msg.labels = labels
            msg.header.stamp = rospy.Time.now()
            self.pub.publish(msg)
Пример #5
0
    def yuv_callback(self, yuv_frame):
        # Use OpenCV to convert the yuv frame to RGB
        info = yuv_frame.info(
        )  # the VideoFrame.info() dictionary contains some useful information such as the video resolution
        rospy.logdebug_throttle(10, "yuv_frame.info = " + str(info))
        cv2_cvt_color_flag = {
            olympe.PDRAW_YUV_FORMAT_I420: cv2.COLOR_YUV2BGR_I420,
            olympe.PDRAW_YUV_FORMAT_NV12: cv2.COLOR_YUV2BGR_NV12,
        }[info["yuv"]["format"]]  # convert pdraw YUV flag to OpenCV YUV flag
        cv2frame = cv2.cvtColor(yuv_frame.as_ndarray(), cv2_cvt_color_flag)

        # Publish image
        msg_image = self.bridge.cv2_to_imgmsg(cv2frame, "bgr8")
        self.pub_image.publish(msg_image)

        # yuv_frame.vmeta() returns a dictionary that contains additional metadata from the drone (GPS coordinates, battery percentage, ...)
        metadata = yuv_frame.vmeta()
        rospy.logdebug_throttle(10, "yuv_frame.vmeta = " + str(metadata))

        if metadata[1] != None:
            header = Header()
            header.stamp = rospy.Time.now()
            header.frame_id = '/body'

            frame_timestamp = metadata[1][
                'frame_timestamp']  # timestamp [millisec]
            msg_time = Time()
            msg_time.data = frame_timestamp  # secs = int(frame_timestamp//1e6), nsecs = int(frame_timestamp%1e6*1e3)
            self.pub_time.publish(msg_time)

            drone_quat = metadata[1]['drone_quat']  # attitude
            msg_attitude = QuaternionStamped()
            msg_attitude.header = header
            msg_attitude.quaternion = Quaternion(drone_quat['x'],
                                                 -drone_quat['y'],
                                                 -drone_quat['z'],
                                                 drone_quat['w'])
            self.pub_attitude.publish(msg_attitude)

            location = metadata[1][
                'location']  # GPS location [500.0=not available] (decimal deg)
            msg_location = PointStamped()
            if location != {}:
                msg_location.header = header
                msg_location.header.frame_id = '/world'
                msg_location.point.x = location['latitude']
                msg_location.point.y = location['longitude']
                msg_location.point.z = location['altitude']
                self.pub_location.publish(msg_location)

            ground_distance = metadata[1]['ground_distance']  # barometer (m)
            self.pub_height.publish(ground_distance)

            speed = metadata[1]['speed']  # opticalflow speed (m/s)
            msg_speed = Vector3Stamped()
            msg_speed.header = header
            msg_speed.header.frame_id = '/world'
            msg_speed.vector.x = speed['north']
            msg_speed.vector.y = -speed['east']
            msg_speed.vector.z = -speed['down']
            self.pub_speed.publish(msg_speed)

            air_speed = metadata[1][
                'air_speed']  # air speed [-1=no data, > 0] (m/s)
            self.pub_air_speed.publish(air_speed)

            link_goodput = metadata[1][
                'link_goodput']  # throughput of the connection (b/s)
            self.pub_link_goodput.publish(link_goodput)

            link_quality = metadata[1]['link_quality']  # [0=bad, 5=good]
            self.pub_link_quality.publish(link_quality)

            wifi_rssi = metadata[1][
                'wifi_rssi']  # signal strength [-100=bad, 0=good] (dBm)
            self.pub_wifi_rssi.publish(wifi_rssi)

            battery_percentage = metadata[1][
                'battery_percentage']  # [0=empty, 100=full]
            self.pub_battery.publish(battery_percentage)

            state = metadata[1][
                'state']  # ['LANDED', 'MOTOR_RAMPING', 'TAKINGOFF', 'HOWERING', 'FLYING', 'LANDING', 'EMERGENCY']
            self.pub_state.publish(state)

            mode = metadata[1][
                'mode']  # ['MANUAL', 'RETURN_HOME', 'FLIGHT_PLAN', 'TRACKING', 'FOLLOW_ME', 'MOVE_TO']
            self.pub_mode.publish(mode)

            msg_pose = PoseStamped()
            msg_pose.header = header
            msg_pose.pose.position = msg_location.point
            msg_pose.pose.position.z = ground_distance
            msg_pose.pose.orientation = msg_attitude.quaternion
            self.pub_pose.publish(msg_pose)

            Rot = R.from_quat([
                drone_quat['x'], -drone_quat['y'], -drone_quat['z'],
                drone_quat['w']
            ])
            drone_rpy = Rot.as_euler('xyz')

            msg_odometry = Odometry()
            msg_odometry.header = header
            msg_odometry.child_frame_id = '/body'
            msg_odometry.pose.pose = msg_pose.pose
            msg_odometry.twist.twist.linear.x = math.cos(
                drone_rpy[2]) * msg_speed.vector.x + math.sin(
                    drone_rpy[2]) * msg_speed.vector.y
            msg_odometry.twist.twist.linear.y = -math.sin(
                drone_rpy[2]) * msg_speed.vector.x + math.cos(
                    drone_rpy[2]) * msg_speed.vector.y
            msg_odometry.twist.twist.linear.z = msg_speed.vector.z
            self.pub_odometry.publish(msg_odometry)

            # log battery percentage
            if battery_percentage >= 30:
                if battery_percentage % 10 == 0:
                    rospy.loginfo_throttle(
                        100, "Battery level: " + str(battery_percentage) + "%")
            else:
                if battery_percentage >= 20:
                    rospy.logwarn_throttle(
                        10, "Low battery: " + str(battery_percentage) + "%")
                else:
                    if battery_percentage >= 10:
                        rospy.logerr_throttle(
                            1, "Critical battery: " + str(battery_percentage) +
                            "%")
                    else:
                        rospy.logfatal_throttle(
                            0.1,
                            "Empty battery: " + str(battery_percentage) + "%")

            # log signal strength
            if wifi_rssi <= -60:
                if wifi_rssi >= -70:
                    rospy.loginfo_throttle(
                        100, "Signal strength: " + str(wifi_rssi) + "dBm")
                else:
                    if wifi_rssi >= -80:
                        rospy.logwarn_throttle(
                            10, "Weak signal: " + str(wifi_rssi) + "dBm")
                    else:
                        if wifi_rssi >= -90:
                            rospy.logerr_throttle(
                                1,
                                "Unreliable signal:" + str(wifi_rssi) + "dBm")
                        else:
                            rospy.logfatal_throttle(
                                0.1,
                                "Unusable signal: " + str(wifi_rssi) + "dBm")
        else:
            rospy.logwarn("Packet lost!")
Пример #6
0
    def test_log(self):
        rosout_logger = logging.getLogger('rosout')
        import rospy

        self.assertTrue(len(rosout_logger.handlers) == 2)
        self.assertTrue(rosout_logger.handlers[0],
                        rosgraph.roslogging.RosStreamHandler)
        self.assertTrue(rosout_logger.handlers[1],
                        rospy.impl.rosout.RosOutHandler)

        default_ros_handler = rosout_logger.handlers[0]

        # Remap stdout for testing
        lout = StringIO()
        lerr = StringIO()
        test_ros_handler = rosgraph.roslogging.RosStreamHandler(colorize=False,
                                                                stdout=lout,
                                                                stderr=lerr)

        try:
            # hack to replace the stream handler with a debug version
            rosout_logger.removeHandler(default_ros_handler)
            rosout_logger.addHandler(test_ros_handler)

            import rospy
            rospy.loginfo("test 1")
            lout_last = lout.getvalue().splitlines()[-1]
            self.assert_("test 1" in lout_last)

            rospy.logwarn("test 2")
            lerr_last = lerr.getvalue().splitlines()[-1]
            self.assert_("[WARN]" in lerr_last)
            self.assert_("test 2" in lerr_last)

            rospy.logerr("test 3")
            lerr_last = lerr.getvalue().splitlines()[-1]
            self.assert_("[ERROR]" in lerr_last)
            self.assert_("test 3" in lerr_last)

            rospy.logfatal("test 4")
            lerr_last = lerr.getvalue().splitlines()[-1]
            self.assert_("[FATAL]" in lerr_last)
            self.assert_("test 4" in lerr_last)

            # logXXX_once
            lout_len = -1
            for i in range(3):
                rospy.loginfo_once("test 1")
                lout_last = lout.getvalue().splitlines()[-1]
                if i == 0:
                    self.assert_("test 1" in lout_last)
                    lout_len = len(lout.getvalue())
                else:  # making sure the length of lout doesnt change
                    self.assert_(lout_len == len(lout.getvalue()))

            lerr_len = -1
            for i in range(3):
                rospy.logwarn_once("test 2")
                lerr_last = lerr.getvalue().splitlines()[-1]
                if i == 0:
                    self.assert_("test 2" in lerr_last)
                    lerr_len = len(lerr.getvalue())
                else:  # making sure the length of lerr doesnt change
                    self.assert_(lerr_len == len(lerr.getvalue()))

            lerr_len = -1
            for i in range(3):
                rospy.logerr_once("test 3")
                lerr_last = lerr.getvalue().splitlines()[-1]
                if i == 0:
                    self.assert_("test 3" in lerr_last)
                    lerr_len = len(lerr.getvalue())
                else:  # making sure the length of lerr doesnt change
                    self.assert_(lerr_len == len(lerr.getvalue()))

            lerr_len = -1
            for i in range(3):
                rospy.logfatal_once("test 4")
                lerr_last = lerr.getvalue().splitlines()[-1]
                if i == 0:
                    self.assert_("test 4" in lerr_last)
                    lerr_len = len(lerr.getvalue())
                else:  # making sure the length of lerr doesnt change
                    self.assert_(lerr_len == len(lerr.getvalue()))

            # logXXX_throttle
            lout_len = -1
            for i in range(3):
                rospy.loginfo_throttle(3, "test 1")
                lout_last = lout.getvalue().splitlines()[-1]
                if i == 0:
                    self.assert_("test 1" in lout_last)
                    lout_len = len(lout.getvalue())
                    rospy.sleep(rospy.Duration(1))
                elif i == 1:  # making sure the length of lout doesnt change
                    self.assert_(lout_len == len(lout.getvalue()))
                    rospy.sleep(rospy.Duration(2))
                else:
                    self.assert_("test 1" in lout_last)

            lerr_len = -1
            for i in range(3):
                rospy.logwarn_throttle(3, "test 2")
                lerr_last = lerr.getvalue().splitlines()[-1]
                if i == 0:
                    self.assert_("test 2" in lerr_last)
                    lerr_len = len(lerr.getvalue())
                    rospy.sleep(rospy.Duration(1))
                elif i == 1:  # making sure the length of lerr doesnt change
                    self.assert_(lerr_len == len(lerr.getvalue()))
                    rospy.sleep(rospy.Duration(2))
                else:
                    self.assert_("test 2" in lerr_last)

            lerr_len = -1
            for i in range(3):
                rospy.logerr_throttle(3, "test 3")
                lerr_last = lerr.getvalue().splitlines()[-1]
                if i == 0:
                    self.assert_("test 3" in lerr_last)
                    lerr_len = len(lerr.getvalue())
                    rospy.sleep(rospy.Duration(1))
                elif i == 1:  # making sure the length of lerr doesnt change
                    self.assert_(lerr_len == len(lerr.getvalue()))
                    rospy.sleep(rospy.Duration(2))
                else:
                    self.assert_("test 3" in lerr_last)

            lerr_len = -1
            for i in range(3):
                rospy.logfatal_throttle(3, "test 4")
                lerr_last = lerr.getvalue().splitlines()[-1]
                if i == 0:
                    self.assert_("test 4" in lerr_last)
                    lerr_len = len(lerr.getvalue())
                    rospy.sleep(rospy.Duration(1))
                elif i == 1:  # making sure the length of lerr doesnt change
                    self.assert_(lerr_len == len(lerr.getvalue()))
                    rospy.sleep(rospy.Duration(2))
                else:
                    self.assert_("test 4" in lerr_last)

            # logXXX_throttle_identical
            lout_len = -1
            for i in range(5):
                if i < 2:
                    test_text = "test 1"
                else:
                    test_text = "test 1a"
                rospy.loginfo_throttle_identical(2, test_text)
                lout_last = lout.getvalue().splitlines()[-1]
                if i == 0:  # Confirm test text was logged
                    self.assert_(test_text in lout_last)
                    lout_len = len(lout.getvalue())
                elif i == 1:  # Confirm the length of lout hasn't changed
                    self.assert_(lout_len == len(lout.getvalue()))
                elif i == 2:  # Confirm the new message was logged correctly
                    self.assert_(test_text in lout_last)
                    lout_len = len(lout.getvalue())
                    rospy.sleep(rospy.Duration(2))
                elif i == 3:  # Confirm the length of lout has changed
                    self.assert_(lout_len != len(lout.getvalue()))
                else:  # Confirm new test text is in last log
                    self.assert_(test_text in lout_last)

            lerr_len = -1
            for i in range(5):
                if i < 2:
                    test_text = "test 2"
                else:
                    test_text = "test 2a"
                rospy.logwarn_throttle_identical(2, test_text)
                lerr_last = lerr.getvalue().splitlines()[-1]
                if i == 0:  # Confirm test text was logged
                    self.assert_(test_text in lerr_last)
                    lerr_len = len(lerr.getvalue())
                elif i == 1:  # Confirm the length of lerr hasn't changed
                    self.assert_(lerr_len == len(lerr.getvalue()))
                elif i == 2:  # Confirm the new message was logged correctly
                    self.assert_(test_text in lerr_last)
                    lerr_len = len(lerr.getvalue())
                    rospy.sleep(rospy.Duration(2))
                elif i == 3:  # Confirm the length of lerr has incremented
                    self.assert_(lerr_len != len(lerr.getvalue()))
                else:  # Confirm new test text is in last log
                    self.assert_(test_text in lerr_last)

            lerr_len = -1
            for i in range(5):
                if i < 2:
                    test_text = "test 3"
                else:
                    test_text = "test 3a"
                rospy.logerr_throttle_identical(2, test_text)
                lerr_last = lerr.getvalue().splitlines()[-1]
                if i == 0:  # Confirm test text was logged
                    self.assert_(test_text in lerr_last)
                    lerr_len = len(lerr.getvalue())
                elif i == 1:  # Confirm the length of lerr hasn't changed
                    self.assert_(lerr_len == len(lerr.getvalue()))
                elif i == 2:  # Confirm the new message was logged correctly
                    self.assert_(test_text in lerr_last)
                    lerr_len = len(lerr.getvalue())
                    rospy.sleep(rospy.Duration(2))
                elif i == 3:  # Confirm the length of lerr has incremented
                    self.assert_(lerr_len != len(lerr.getvalue()))
                else:  # Confirm new test text is in last log
                    self.assert_(test_text in lerr_last)

            lerr_len = -1
            for i in range(5):
                if i < 2:
                    test_text = "test 4"
                else:
                    test_text = "test 4a"
                rospy.logfatal_throttle_identical(2, test_text)
                lerr_last = lerr.getvalue().splitlines()[-1]
                if i == 0:  # Confirm test text was logged
                    self.assert_(test_text in lerr_last)
                    lerr_len = len(lerr.getvalue())
                elif i == 1:  # Confirm the length of lerr hasn't changed
                    self.assert_(lerr_len == len(lerr.getvalue()))
                elif i == 2:  # Confirm the new message was logged correctly
                    self.assert_(test_text in lerr_last)
                    lerr_len = len(lerr.getvalue())
                    rospy.sleep(rospy.Duration(2))
                elif i == 3:  # Confirm the length of lerr has incremented
                    self.assert_(lerr_len != len(lerr.getvalue()))
                else:  # Confirm new test text is in last log
                    self.assert_(test_text in lerr_last)

            rospy.loginfo("test child logger 1", logger_name="log1")
            lout_last = lout.getvalue().splitlines()[-1]
            self.assert_("test child logger 1" in lout_last)

            rospy.logwarn("test child logger 2", logger_name="log2")
            lerr_last = lerr.getvalue().splitlines()[-1]
            self.assert_("[WARN]" in lerr_last)
            self.assert_("test child logger 2" in lerr_last)

            rospy.logerr("test child logger 3", logger_name="log3")
            lerr_last = lerr.getvalue().splitlines()[-1]
            self.assert_("[ERROR]" in lerr_last)
            self.assert_("test child logger 3" in lerr_last)

            rospy.logfatal("test child logger 4", logger_name="log4")
            lerr_last = lerr.getvalue().splitlines()[-1]
            self.assert_("[FATAL]" in lerr_last)
            self.assert_("test child logger 4" in lerr_last)

        finally:
            # restoring default ros handler
            rosout_logger.removeHandler(test_ros_handler)
            lout.close()
            lerr.close()
            rosout_logger.addHandler(default_ros_handler)
Пример #7
0
    def readOdom(self, odom_msg):
        avaliable = self.listener.canTransform("/map", "/odom", rospy.Time())
        if not avaliable:
            rospy.logfatal_throttle(10, "TF frame is avaliable %s" % avaliable)
            return

        self.listener.waitForTransform("/map", "/odom", rospy.Time(),
                                       rospy.Duration(9999))
        self.pose_odom.pose = odom_msg.pose.pose
        self.pose_odom.header.stamp = rospy.Time()
        self.pose_odom.header.frame_id = '/odom'
        # transform the odom expression under map frame
        # t1 = time.time()
        self.pose_map = self.listener.transformPose("/map", self.pose_odom)
        # t2 = time.time()
        x = self.pose_map.pose.position.x
        y = self.pose_map.pose.position.y
        angle = quat2eul([
            self.pose_map.pose.orientation.w, self.pose_map.pose.orientation.x,
            self.pose_map.pose.orientation.y, self.pose_map.pose.orientation.z
        ])
        theta = angle[0]
        self.odom_x = x
        self.odom_y = y
        self.odom_z = theta
        # odx, ody = odom_msg.pose.pose.position.x, odom_msg.pose.pose.position.y

        # send data back to serial port
        # TODO read all self variable here in order to avoid sudden change
        vx, wz = self.vel_vx, self.vel_wz
        ID = self.ID
        px, py, pz = self.posx, self.posy, self.posz
        status = self.moveStatus
        cmd_srv = self.cmd_srv
        arg_srv = self.arg_srv

        # TODO Sending velocity part
        if vx < 0:
            self.content[0] = 255 + int(vx)
            self.content[1] = int((1 - (vx % 1)) * 100) % 100
        else:
            self.content[0] = int(vx)
            self.content[1] = int((vx % 1) * 100)
        if wz < 0:
            self.content[2] = 255 + int(wz)
            self.content[3] = int((1 - (wz % 1)) * 100) % 100
        else:
            self.content[2] = int(wz)
            self.content[3] = int((wz % 1) * 100)
        self.content[4] = 0
        self.content[5] = 2 if vx > 0 else 0

        # TODO Sending odom part
        if x < 0:
            self.content[6] = 255 + int(x)
            self.content[7] = int((1 - (x % 1)) * 100) % 100
        else:
            self.content[6] = int(x)
            self.content[7] = int((x % 1) * 100)

        if y < 0:
            self.content[8] = 255 + int(y)
            self.content[9] = int((1 - (y % 1)) * 100) % 100
        else:
            self.content[8] = int(y)
            self.content[9] = int((y % 1) * 100)

        if theta < 0:
            ang = (2 * np.pi + theta) * 10000
            self.content[10] = int(ang / 256)
            self.content[11] = int(ang % 256)
        else:
            ang = theta * 10000
            self.content[10] = int(ang / 256)
            self.content[11] = int(ang % 256)

        # TODO sending goal/initial pose part
        if px < 0:
            self.content[12] = 255 + int(px)
            self.content[13] = int((1 - (px % 1)) * 100) % 100
        else:
            self.content[12] = int(px)
            self.content[13] = int((px % 1) * 100)

        if py < 0:
            self.content[14] = 255 + int(py)
            self.content[15] = int((1 - (py % 1)) * 100) % 100
        else:
            self.content[14] = int(py)
            self.content[15] = int((py % 1) * 100)

        if pz < 0:
            ang = (2 * np.pi + pz) * 10000
            self.content[16] = int(ang / 256)
            self.content[17] = int(ang % 256)
        else:
            ang = pz * 10000
            self.content[16] = int(ang / 256)
            self.content[17] = int(ang % 256)

        # TODO commands part
        self.content[18] = cmd_srv
        self.content[19] = arg_srv / 256
        self.content[20] = arg_srv % 256

        # TODO status part
        self.content[21] = status

        # cmd_serial = [self.sendSize] + [ID] + self.content
        # odx, ody = odom_msg.pose.pose.position.x, odom_msg.pose.pose.position.y

        # print("%3.4f,%3.4f, %s, x=%2.3f, y=%2.3f, th=%2.3f, xo=%2.3f, yo=%2.3f" %((t2-t1), (t3-t2),[ID] + self.content, x, y, theta, odx, ody))
        # cs = checksum([ID] + self.content)
        # cs_high = cs / 256
        # cs_low = cs % 256
        # cmdstr_start = array("B", self.header + cmd_serial + [cs_high, cs_low]).tostring()

        # self.device.write(cmdstr_start)

        return
    def test_log(self):
        # we can't do anything fancy here like capture stdout as rospy
        # grabs the streams before we do. Instead, just make sure the
        # routines don't crash.
        
        real_stdout = sys.stdout
        real_stderr = sys.stderr

        try:
            try:
                from cStringIO import StringIO
            except ImportError:
                from io import StringIO
            sys.stdout = StringIO()
            sys.stderr = StringIO()

            import rospy
            rospy.loginfo("test 1")
            self.assert_("test 1" in sys.stdout.getvalue())
            
            rospy.logwarn("test 2")            
            self.assert_("[WARN]" in sys.stderr.getvalue())
            self.assert_("test 2" in sys.stderr.getvalue())

            sys.stderr = StringIO()
            rospy.logerr("test 3")            
            self.assert_("[ERROR]" in sys.stderr.getvalue())
            self.assert_("test 3" in sys.stderr.getvalue())
            
            sys.stderr = StringIO()
            rospy.logfatal("test 4")            
            self.assert_("[FATAL]" in sys.stderr.getvalue())            
            self.assert_("test 4" in sys.stderr.getvalue())            

            # logXXX_throttle
            for i in range(3):
                sys.stdout = StringIO()
                rospy.loginfo_throttle(3, "test 1")
                if i == 0:
                    self.assert_("test 1" in sys.stdout.getvalue())
                    rospy.sleep(rospy.Duration(1))
                elif i == 1:
                    self.assert_("" == sys.stdout.getvalue())
                    rospy.sleep(rospy.Duration(2))
                else:
                    self.assert_("test 1" in sys.stdout.getvalue())

            for i in range(3):
                sys.stderr = StringIO()
                rospy.logwarn_throttle(3, "test 2")
                if i == 0:
                    self.assert_("test 2" in sys.stderr.getvalue())
                    rospy.sleep(rospy.Duration(1))
                elif i == 1:
                    self.assert_("" == sys.stderr.getvalue())
                    rospy.sleep(rospy.Duration(2))
                else:
                    self.assert_("test 2" in sys.stderr.getvalue())

            for i in range(3):
                sys.stderr = StringIO()
                rospy.logerr_throttle(3, "test 3")
                if i == 0:
                    self.assert_("test 3" in sys.stderr.getvalue())
                    rospy.sleep(rospy.Duration(1))
                elif i == 1:
                    self.assert_("" == sys.stderr.getvalue())
                    rospy.sleep(rospy.Duration(2))
                else:
                    self.assert_("test 3" in sys.stderr.getvalue())

            for i in range(3):
                sys.stderr = StringIO()
                rospy.logfatal_throttle(3, "test 4")
                if i == 0:
                    self.assert_("test 4" in sys.stderr.getvalue())
                    rospy.sleep(rospy.Duration(1))
                elif i == 1:
                    self.assert_("" == sys.stderr.getvalue())
                    rospy.sleep(rospy.Duration(2))
                else:
                    self.assert_("test 4" in sys.stderr.getvalue())
        finally:
            sys.stdout = real_stdout
            sys.stderr = real_stderr