Esempio n. 1
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    def __init__(self, args):

        self._node_name = rospy.get_name()

        self.rosReadParams()

        self.timer_threshold = args['timer_threshold']
        self.rosmon_service = args['rosmon_service']
        self.rostful_client_node = args['rostful_client_node']
        self.monitored_topic = args['monitored_topic']

        self._real_freq = 0.0
        # Saves the state of the component
        self._state = State.INIT_STATE
        # Saves the previous state
        self._previous_state = State.INIT_STATE
        # flag to control the initialization of the component
        self._initialized = False
        # flag to control the initialization of ROS stuff
        self._ros_initialized = False
        # flag to control that the control loop is running
        self._running = False
        # Variable used to control the loop frequency
        self._time_sleep = 1.0 / self._desired_freq
        # State msg to publish
        self._msg_state = State()
        # Timer to publish state
        self._publish_state_timer = 1

        self.t_publish_state = threading.Timer(self._publish_state_timer,
                                               self.publishROSstate)

        self.last_message_time = rospy.Time.now()
        rospy.Timer(rospy.Duration(5), self.check_timer_callback)
Esempio n. 2
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    def __init__(self, args):

        self.node_name_ = rospy.get_name().replace('/', '')
        self.desired_freq = args['desired_freq']
        # Checks value of freq
        if self.desired_freq <= 0.0 or self.desired_freq > MAX_FREQ:
            rospy.loginfo(
                '%s::init: Desired freq (%f) is not possible. Setting desired_freq to %f'
                % (self.node_name, self.desired_freq, DEFAULT_FREQ))
            self.desired_freq = DEFAULT_FREQ

        self.real_freq = 0.0

        # Saves the state of the component
        self.state = State.INIT_STATE
        # Saves the previous state
        self.previous_state = State.INIT_STATE
        # flag to control the initialization of the component
        self.initialized = False
        # flag to control the initialization of ROS stuff
        self.ros_initialized = False
        # flag to control that the control loop is running
        self.running = False
        # Variable used to control the loop frequency
        self.time_sleep = 1.0 / self.desired_freq
        # State msg to publish
        self.msg_state = State()
        # Timer to publish state
        self.publish_state_timer = 1

        self.start_slam_gmapping = False
        self.start_amcl = False
        self.start_robot_ctrller = False
        self.start_move_base = False
        self.start_teleop = False
        self.start_map_server = False

        self.is_slam_gmapping = False
        self.is_amcl = False
        self.is_map_server = False
        self.is_move_base = False
        self.is_robot_ctrllr = False
        self.is_teleop = False

        self.slam_gmapping_process_name = ""
        self.amcl_process_name = ""
        self.map_server_process_name = ""
        self.move_base_process_name = ""
        self.robot_ctrllr_process_name = ""
        self.teleop_process_name = ""

        self.t_publish_state = threading.Timer(
            self.publish_state_timer,
            self.publishROSstate)  #Each second publish state
Esempio n. 3
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    def __init__(self, args):

        self.node_name = rospy.get_name().replace('/', '')
        self.host_ = args['host']
        self.timeout_ = args['timeout']
        self.count_ = args['count']
        # desired freq has to be equal to the max time to get the ping result
        self.desired_freq = DEFAULT_FREQ

        if self.timeout_ < 0.0:
            rospy.loginfo(
                '%s::init: timeout (%f) is not possible. Setting timeout to %f'
                % (self.node_name, self.timeout_, MIN_TIMEOUT))
            self.timeout_ = MIN_TIMEOUT
        if self.count_ <= 0:
            rospy.loginfo(
                '%s::init: count (%f) is not possible. Setting count to %f' %
                (self.node_name, self.count_, MIN_COUNT))
            self.count_ = MIN_COUNT
        # Checks value of freq
        if self.desired_freq <= 0.0 or self.desired_freq > MAX_FREQ:
            rospy.loginfo(
                '%s::init: Desired freq (%f) is not possible. Setting desired_freq to %f'
                % (self.node_name, self.desired_freq, MAX_FREQ))
            self.desired_freq = MAX_FREQ

        # desired freq has to be equal to the max time to get the ping result
        self.desired_freq = max(0.00001, 1.0 / (self.timeout_ * self.count_))
        self.real_freq = 0.0

        # Saves the state of the component
        self.state = State.INIT_STATE
        # Saves the previous state
        self.previous_state = State.INIT_STATE
        # flag to control the initialization of the component
        self.initialized = False
        # flag to control the initialization of ROS stuff
        self.ros_initialized = False
        # flag to control that the control loop is running
        self.running = False
        # Variable used to control the loop frequency
        self.time_sleep = 1.0 / self.desired_freq
        # State msg to publish
        self.msg_state = State()
        # Timer to publish state
        self.publish_state_timer = 1

        self.ping_status = PingStatus()
        self.ping_status.count = self.count_
        self.ping_status.timeout = self.timeout_
        self.ping_status.host = self.host_

        self.t_publish_state = threading.Timer(self.publish_state_timer,
                                               self.publishROSstate)
    def __init__(self, args):

        self.node_name = rospy.get_name().replace('/', '')
        self.desired_freq = args['desired_freq']
        # Checks value of freq
        if self.desired_freq <= 0.0:
            rospy.loginfo(
                '%s::init: Desired freq (%f) is not possible. Setting desired_freq to %f'
                % (self.node_name, self.desired_freq, DEFAULT_FREQ))
            self.desired_freq = DEFAULT_FREQ
        if self.desired_freq > MAX_FREQ:
            rospy.loginfo(
                '%s::init: Desired freq (%f) is not possible. Setting desired_freq to %f'
                % (self.node_name, self.desired_freq, MAX_FREQ))
            self.desired_freq = MAX_FREQ
        self.real_freq = 0.0
        # Saves the state of the component
        self.state = None  # State.INIT_STATE # is it better to use the switchToState because it is printed to log
        #        # Saves the previous state
        self.previous_state = None  # State.INIT_STATE

        # flag to control the initialization of the component
        self.initialized = False
        # flag to control the initialization of ROS stuff
        self.ros_initialized = False
        # flag to control that the control loop is running
        self.running = False
        # Variable used to control the loop frequency
        self.time_sleep = 1.0 / self.desired_freq

        # Timer to publish state
        self.publish_state_timer = 1

        self.port = args['port']
        self.serial_device = None
        self.read_errors = 0
        self.command_stop = 'C100000000000000\r'
        self.command_start = 'C010000000000000\r'
        self.command_query = 'Q\r'
        self.query_response_size = 61  # message is 60 bytes + 1 of line return
        rospy.loginfo('%s:init: Serial port = %s', self.node_name, self.port)

        self.state_msg = State()
        self.inverter_status_msg = InverterStatus()

        self.switchToState(State.INIT_STATE)
Esempio n. 5
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    def __init__(self, args):

        self.node_name = rospy.get_name().replace('/','')
        self.desired_freq = args['desired_freq']
        # Checks value of freq
        if self.desired_freq <= 0.0:
            rospy.loginfo('%s::init: Desired freq (%f) is not possible. Setting desired_freq to %f'%(self.node_name,self.desired_freq, DEFAULT_FREQ))
            self.desired_freq = DEFAULT_FREQ
        if self.desired_freq > MAX_FREQ:
            rospy.loginfo('%s::init: Desired freq (%f) is not possible. Setting desired_freq to %f'%(self.node_name,self.desired_freq, MAX_FREQ))
            self.desired_freq = MAX_FREQ
        self.real_freq = 0.0
        # Saves the state of the component
        self.state = None # State.INIT_STATE # is it better to use the switchToState because it is printed to log
        #        # Saves the previous state
        self.previous_state = None # State.INIT_STATE

        self.design_capacity = 50
        #self.design_capacity = args['design_capacity']
        #if self.design_capacity <= 0.0:
        #    rospy.loginfo('%s::init: Design capacity (%f) is not possible. Setting design capacity to %f'%(self.node_name,self.design_capacity, DESIGN_CAPACITY))
        #    self.desired_freq = DESIGN_CAPACITY

        # flag to control the initialization of the component
        self.initialized = False
        # flag to control the initialization of ROS stuff
        self.ros_initialized = False
        # flag to control that the control loop is running
        self.running = False
        # Variable used to control the loop frequency
        self.time_sleep = 1.0 / self.desired_freq

        # Timer to publish state
        self.publish_state_timer = 1

        self.port = args['port']
        self.serial_device = None
        self.read_errors = 0
        rospy.loginfo('%s:init: Serial port = %s', self.node_name, self.port)

        self.state_msg = State()
        self.battery_monitor_status_msg = BatteryState()
        self.battery_alarm = 'ON'

        self.switchToState(State.INIT_STATE)
Esempio n. 6
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    def __init__(self, args):

        self.node_name = rospy.get_name()  #.replace('/','')
        self.desired_freq = args['desired_freq']
        # Checks value of freq
        if self.desired_freq <= 0.0 or self.desired_freq > MAX_FREQ:
            rospy.loginfo(
                '%s::init: Desired freq (%f) is not possible. Setting desired_freq to %f'
                % (self.node_name, self.desired_freq, DEFAULT_FREQ))
            self.desired_freq = DEFAULT_FREQ

        self.real_freq = 0.0

        # Saves the state of the component
        self.state = State.INIT_STATE
        # Saves the previous state
        self.previous_state = State.INIT_STATE
        # flag to control the initialization of the component
        self.initialized = False
        # flag to control the initialization of ROS stuff
        self.ros_initialized = False
        # flag to control that the control loop is running
        self.running = False
        # Variable used to control the loop frequency
        self.time_sleep = 1.0 / self.desired_freq
        # State msg to publish
        self.msg_state = State()
        # Timer to publish state
        self.publish_state_timer = 1

        self._action_feedback = rostful_tests.msg.WaitFeedback()
        self._action_result = rostful_tests.msg.WaitResult()
        self._action_goal = rostful_tests.msg.WaitActionGoal()
        self._action_init_time = rospy.Time.now()

        self.t_publish_state = threading.Timer(self.publish_state_timer,
                                               self.publishROSstate)

        self._action_name = rospy.get_name() + '/wait'
Esempio n. 7
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    def __init__(self, args):

        self.node_name = rospy.get_name() #.replace('/','')
        self.desired_freq = args['desired_freq'] 
        self.digital_output = args['digital_output']
        self.service_io = args['service_io']
        # Checks value of freq
        if self.desired_freq <= 0.0 or self.desired_freq > MAX_FREQ:
            rospy.loginfo('%s::init: Desired freq (%f) is not possible. Setting desired_freq to %f'%(self.node_name,self.desired_freq, DEFAULT_FREQ))
            self.desired_freq = DEFAULT_FREQ


        self.real_freq = 0.0

        # Saves the state of the component
        self.state = State.INIT_STATE
        # Saves the previous state
        self.previous_state = State.INIT_STATE
        # flag to control the initialization of the component
        self.initialized = False
        # flag to control the initialization of ROS stuff
        self.ros_initialized = False
        # flag to control that the control loop is running
        self.running = False
        # Variable used to control the loop frequency
        self.time_sleep = 1.0 / self.desired_freq
        # Variable to control the sound time
        self.time_enabled = float("inf")
        # State msg to publish
        self.msg_state = State()
        # Timer to publish state
        self.publish_state_timer = 1

        # Variable of buzzer
        self.buzzer_enable = False
        self.buzzer_freq = 1
        self.buzzer_called = True
Esempio n. 8
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    def __init__(self):
        self._node_name = rospy.get_name()
        self.rosReadParams()

        self._real_freq = 0.0
        # Saves the state of the component
        self._state = State.INIT_STATE
        # Saves the previous state
        self._previous_state = State.INIT_STATE
        # flag to control the initialization of the component
        self._initialized = False
        # flag to control the initialization of ROS stuff
        self._ros_initialized = False
        # flag to control that the control loop is running
        self._running = False
        # Variable used to control the loop frequency
        self._time_sleep = 1.0 / self._desired_freq
        # State msg to publish
        self._msg_state = State()
        # Timer to publish state
        self._publish_state_timer = 1

        self._t_publish_state = threading.Timer(self._publish_state_timer,
                                                self.publishROSstate)
Esempio n. 9
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    def __init__(self, args):
        self.node_name = rospy.get_name()
        #.replace('/','')
        self.desired_freq = args['desired_freq'] 

        # Checks value of freq
        if self.desired_freq <= 0.0 or self.desired_freq > MAX_FREQ:
            rospy.loginfo('%s::init: Desired freq (%f) is not possible. Setting desired_freq to %f'%(self.node_name,self.desired_freq, DEFAULT_FREQ))
            self.desired_freq = DEFAULT_FREQ
    
        self.real_freq = 0.0

        # Saves the state of the component
        self.state = State.INIT_STATE
        # Saves the previous state
        self.previous_state = State.INIT_STATE
        # flag to control the initialization of the component
        self.initialized = False
        # flag to control the initialization of ROS stuff
        self.ros_initialized = False
        # flag to control that the control loop is running
        self.running = False
        # Variable used to control the loop frequency
        self.time_sleep = 1.0 / self.desired_freq
        # State msg to publish
        self.msg_state = State()
        self.publish_state_timer = 1

        self.lasers = args['lasers']
        self.set_modbus_registers_service_name = args['set_modbus_registers_service_name']
        self.set_digital_outputs_service_name = args['set_digital_outputs_service_name']
        self.laser_mode_output_addr = args['address_registers/laser_mode_output']
        self.current_speed_addr = args['address_registers/current_speed']
        self.standby_output = args['outputs/standby']                 # If set, laser changes mode to standby (to use less power when stop). It does not send any data in this mode
        self.watchdog_signals_output = args['outputs/watchdog_signals'] # 
       
        self.watchdog_signals_frequency = args['watchdog_signals_frequency'] # 
        if self.watchdog_signals_frequency <= 0.0:
            self.watchdog_signals_frequency = 1.0			
        self.watchdog_signals_period = 1.0/self.watchdog_signals_frequency 

        self.emergency_stop_input = args['inputs/emergency_stop']          # If set, e-stop is not pressed
        self.safety_stop_input = args['inputs/safety_stop']  # If set, robot is stopped due to the safety system (either e-stop or obstacle inside protection area)
    	self.laser_mute_input = args['inputs/laser_mute']     # If set, safety mode is in emergency (elevator lowers, brakes are free, it can be pushed, key to the right)
        self.laser_enabled_input = args['inputs/laser_enabled']               # If set, safety is enabled (key is to the left)
	self.laser_on_standby_input = args['inputs/standby']  # If set, safety is overrided in safety overridable mode (key in the middle)

        # structure to save inputs
        self.inputs_ = {}
        self.inputs_['wheels_power_enabled'] = {'number': args['inputs/wheels_power_enabled'], 'value': False}
        self.inputs_['laser_ok'] = {'number': args['inputs/laser_ok'], 'value': False}
        self.inputs_['edm_fault'] = {'number': args['inputs/edm_fault'], 'value': False}
        self.inputs_['emergency_stop_fault'] = {'number': args['inputs/emergency_stop_fault'], 'value': False}
        self.inputs_['motion_enabled'] = {'number': args['inputs/motion_enabled'], 'value': False}
        self.inputs_['selector_fault'] = {'number': args['inputs/selector_fault'], 'value': False}
        self.inputs_['watchdog_ok'] = {'number': args['inputs/watchdog_ok'], 'value': False}
        self.inputs_['emergency_stop_sw'] = {'number': args['inputs/emergency_stop_sw'], 'value': False}
        # structure to save laser modes
	self.laser_modes_available_ = args['laser_modes']
	
	if len(self.laser_modes_available_) == 0:
           rospy.logwarn('%s::init: no laser modes defined!'%(self.node_name))
	else:
	    for mode in self.laser_modes_available_:
		if not self.laser_modes_available_[mode].has_key('input'):
		    rospy.logerr('%s::init: laser_modes format has to have the key input. Invalid format: %s', self.node_name, str(self.laser_modes_available_))
		    exit(-1)
		if not self.laser_modes_available_[mode].has_key('output'):
		    rospy.logerr('%s::init: laser_modes format has to have the key output. Invalid format: %s', self.node_name, str(self.laser_modes_available_))
		    exit(-1)
		# add field to save the input value
		self.laser_modes_available_[mode]['input_value'] = False
	
		
        # custom inputs 
        for ci in args['custom_inputs']:
		    if ci not in self.inputs_:
				self.inputs_[ci] = {'number': args['custom_inputs'][ci], 'value': False}
		    else:
				rospy.logerr('%s::init: custom input %s already defined as standard'%(self.node_name, ci))
           
        if len(args['custom_inputs']) == 0:
           rospy.logwarn('%s::init: no custom inputs defined'%(self.node_name))
		
		
		# new structure to save the outputs
        self.outputs_ = {}
        self.outputs_['emergency_stop_sw'] = {'number': args['outputs/emergency_stop_sw'], 'value': False, 'desired_value': False}
		# custom outputs 
        for co in args['custom_outputs']:
		    if co not in self.outputs_:
				self.outputs_[co] = {'number': args['custom_outputs'][co], 'value': False, 'desired_value': False}
		    else:
				rospy.logerr('%s::init: custom output %s already defined as standard'%(self.node_name, co))
           
        if len(args['custom_outputs']) == 0:
           rospy.logwarn('%s::init: no custom outputs defined'%(self.node_name))
           	
        self.set_speed_feedback = args['set_speed_feedback_to_safety_module'] # sets the speed into current_speed_addr
		
        self.laser_mode = "unknown"
        self.inputs_outputs_msg = inputs_outputs()
        self.emergency_stop_msg = Bool()
        self.safety_stop_msg = Bool()
        self.last_enable_charge_msg_sent = False
        self.laser_enabled = False
        self.laser_mute = False
        self.safety_mode = "unknown"
        self.sm_status_msg = SafetyModuleStatus()
        self.emergency_stop = False
        self.safety_stop = False
        self.safety_overrided = False
        self.laser_on_standby = False
        self.named_io_msg = named_inputs_outputs()
        
        if len(self.watchdog_signals_output) == 2:
            self.watchdog_signals_enabled = True
            self.watchdog_signals_registers = [True, False]
            #self.watchdog_frequency
            rospy.loginfo('%s::init: watchdog signals is enabled! outputs %s'%(self.node_name, str(self.watchdog_signals_output)))
        else:
            self.watchdog_signals_enabled = False
            rospy.logwarn('%s::init: watchdog signals is disabled! outputs %s'%(self.node_name, str(self.watchdog_signals_output)))

        self.t_publish_state = threading.Timer(self.publish_state_timer, self.publishROSstate)
        
        # current absolute speed in cm/s
        self.current_speed = 0.0
        # flag true if receiving speed
        self.receiving_speed = False
        # Saves time of last msg received
        self.odom_last_stamp = rospy.Time(0)
        #  Saves time of last watchdog
        self.watchdog_last_stamp = rospy.Time(0)
        
        # saves the desired laser mode: by default no actions performed. Only on demand
        self.set_desired_laser_mode = None
        # saves the desired value of standby mode: by default no actions performed. Only on demand
        self.set_desired_standby_mode = None
Esempio n. 10
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    def __init__(self, args):

        self.node_name = rospy.get_name()  #.replace('/','')
        self.desired_freq = args['desired_freq']
        self.desired_bias = args['desired_bias']
        self.desired_stoppedtime = args['desired_stoppedtime']
        self.desired_gyrotime = args['desired_gyrotime']
        self.desired_standbytime = args['desired_standbytime']
        self.desired_temperaturevariation = args[
            'desired_temperaturevariation']

        self.calibrationEnds = True
        self.temperature = 0.0
        self.bias = [0, 0]
        rospack = rospkg.RosPack()
        self.path = rospack.get_path('imu_calibrator')
        # Checks value of freq
        if self.desired_freq <= 0.0 or self.desired_freq > MAX_FREQ:
            rospy.loginfo(
                '%s::init: Desired freq (%f) is not possible. Setting desired_freq to %f'
                % (self.node_name, self.desired_freq, DEFAULT_FREQ))
            self.desired_freq = DEFAULT_FREQ
        if self.desired_bias <= 0.0:
            rospy.loginfo(
                '%s::init: Desired bias (%f) is not possible. Setting desired_bias to %f'
                % (self.node_name, self.desired_bias, DEFAULT_BIAS))
            self.desired_bias = DEFAULT_BIAS
        if self.desired_stoppedtime <= 0.0:
            rospy.loginfo(
                '%s::init: Desired stopped time (%f) is not possible. Setting desired_stoppedtime to %f'
                % (self.node_name, self.desired_stoppedtime,
                   DEFAULT_STOPPEDTIME))
            self.desired_stoppedtime = DEFAULT_STOPPEDTIME
        if self.desired_gyrotime <= 0.0:
            rospy.loginfo(
                '%s::init: Desired gyro time (%f) is not possible. Setting desired_gyrotime to %f'
                % (self.node_name, self.desired_gyrotime, DEFAULT_GYROTIME))
            self.desired_gyrotime = DEFAULT_GYROTIME
        if self.desired_standbytime <= 0.0:
            rospy.loginfo(
                '%s::init: Desired standby time (%f) is not possible. Setting desired_standbytime to %f'
                % (self.node_name, self.desired_standbytime,
                   DEFAULT_STANDBYTIME))
            self.desired_standbytime = DEFAULT_STANDBYTIME
        if self.desired_temperaturevariation <= 0.0:
            rospy.loginfo(
                '%s::init: Desired temperature variation (%f) is not possible. Setting desired_temperaturevariation to %f'
                % (self.node_name, self.desired_temperaturevariation,
                   DEFAULT_TEMPERATUREVARIATION))
            self.desired_temperaturevariation = DEFAULT_TEMPERATUREVARIATION

        self.status = CalibratorStatus()
        self.status.state = "idle"
        self.status.remaining_time = self.desired_stoppedtime

        self.real_freq = 0.0

        # Saves the state of the component
        self.state = State.INIT_STATE
        # Saves the previous state
        self.previous_state = State.INIT_STATE
        # flag to control the initialization of the component
        self.initialized = False
        # flag to control the initialization of ROS stuff
        self.ros_initialized = False
        # flag to control that the control loop is running
        self.running = False
        # Variable used to control the loop frequency
        self.time_sleep = 1.0 / self.desired_freq
        # State msg to publish
        self.msg_state = State()
        # Timer to publish state
        self.publish_state_timer = 1

        # The robot is changing his position
        self.mov = True
        # Position of the robot (linear.x, angular.z)
        self.pos = [0, 0, 0, 0, 0, 0]
        # The robot needs calibration
        self.calibrate = False
        # Last inclination of the robot
        self.incMin = [100, 100, 100]
        self.incMax = [-100, -100, -100]
        # True if the robot has been stopped the required time
        self.checkedMovement = False
        # Time when the search has started
        self.t1 = 0.0
Esempio n. 11
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    def __init__(self, args):

        self.node_name = rospy.get_name()  #.replace('/','')
        self.desired_freq = args['desired_freq']

        # saves the state of all the gazebo models related to robots
        self._gazebo_robots = {}
        # saves the state of all the gazebo models related to pickable objects
        self._gazebo_objects = {}
        '''
		expected format:
		-
		  model: rb2cart
		  default_link: link_0
		'''
        self._robot_models_config = args['robots']
        if self._robot_models_config is None or len(
                self._robot_models_config) == 0:
            rospy.logerr('%s::__init__: param robots is mandatory',
                         self.node_name)
            exit()

        for cfg in self._robot_models_config:
            default_link = ''
            model = ''
            if cfg.has_key('default_link') and len(cfg['default_link']) > 0:
                default_link = cfg['default_link']
            else:
                rospy.logerr(
                    '%s::__init__: param default_link has to be defined for every model: %s',
                    self.node_name, str(cfg))
                exit()
            if cfg.has_key('model') and len(cfg['model']) > 0:
                model = cfg['model']
            else:
                rospy.logerr(
                    '%s::__init__: param model has to be defined for every model: %s',
                    self.node_name, str(cfg))
                exit()
            if cfg.has_key('elevation_z'):
                elevation_z = cfg['elevation_z']
            else:
                rospy.logerr(
                    '%s::__init__: param elevation_z has to be defined for every model: %s',
                    self.node_name, str(cfg))
                exit()

            self._gazebo_robots[model] = {
                'model': GazeboModelState(),
                'links': {},
                'default_link': '%s::%s' % (model, default_link),
                'elevation_z': elevation_z
            }

        self._object_models_config = args['objects']
        if self._object_models_config is None or len(
                self._object_models_config) == 0:
            rospy.logerr('%s::__init__: param objects is mandatory',
                         self.node_name)
            exit()
        for cfg in self._object_models_config:
            default_link = ''
            model = ''
            if cfg.has_key('default_link') and len(cfg['default_link']) > 0:
                default_link = cfg['default_link']
            else:
                rospy.logerr(
                    '%s::__init__: param default_link has to be defined for every model: %s',
                    self.node_name, str(cfg))
                exit()
            if cfg.has_key('model') and len(cfg['model']) > 0:
                model = cfg['model']
            else:
                rospy.logerr(
                    '%s::__init__: param model has to be defined for every model: %s',
                    self.node_name, str(cfg))
                exit()
            self._gazebo_objects[model] = {
                'model': GazeboModelState(),
                'links': {},
                'default_link': '%s::%s' % (model, default_link)
            }

        self._global_config = args['config']

        if self._global_config is None or len(self._object_models_config) == 0:
            rospy.logwarn(
                '%s::__init__: no config defined. Setting default params',
                self.node_name)
            self._global_config = {}
            self._global_config[
                'min_picking_distance'] = DEFAULT_MIN_PICKING_DISTANCE
            rospy.logwarn(
                '%s::__init__: Setting min_picking_distance to default value: %.3lf',
                self.node_name, self._global_config['min_picking_distance'])
        else:
            if not self._global_config.has_key('min_picking_distance'):
                self._global_config[
                    'min_picking_distance'] = DEFAULT_MIN_PICKING_DISTANCE
                rospy.logwarn(
                    '%s::__init__: Setting min_picking_distance to default value: %.3lf',
                    self.node_name,
                    self._global_config['min_picking_distance'])

        # Checks value of freq
        if self.desired_freq <= 0.0 or self.desired_freq > MAX_FREQ:
            rospy.loginfo(
                '%s::init: Desired freq (%f) is not possible. Setting desired_freq to %f'
                % (self.node_name, self.desired_freq, DEFAULT_FREQ))
            self.desired_freq = DEFAULT_FREQ
        self.real_freq = 0.0

        # Saves the state of the component
        self.state = State.INIT_STATE
        # Saves the previous state
        self.previous_state = State.INIT_STATE
        # flag to control the initialization of the component
        self.initialized = False
        # flag to control the initialization of ROS stuff
        self.ros_initialized = False
        # flag to control that the control loop is running
        self.running = False
        # Variable used to control the loop frequency
        self.time_sleep = 1.0 / self.desired_freq
        # State msg to publish
        self.msg_state = State()
        # Timer to publish state
        self.publish_state_timer = 1

        self.t_publish_state = threading.Timer(self.publish_state_timer,
                                               self.publishROSstate)

        # save the current links/picking between robot & objects (GazeboPickAndPlace)
        self._current_picks = {}
Esempio n. 12
0
    def __init__(self, args):

    	self.node_name = rospy.get_name() #.replace('/','')
    	self.desired_freq = args['desired_freq']
    	# Checks value of freq
    	if self.desired_freq <= 0.0 or self.desired_freq > MAX_FREQ:
    		rospy.loginfo('%s::init: Desired freq (%f) is not possible. Setting desired_freq to %f'%(self.node_name,self.desired_freq, DEFAULT_FREQ))
    		self.desired_freq = DEFAULT_FREQ


    	self._motors = args['motors']

    	print self._motors

    	#exit()
    	#self._joint_names = args['joint_name']
    	#self._joint_can_ids = args['joint_can_id']

    	if self._motors == None or len(self._motors) == 0:
    		rospy.logerr('%s::init: no motors defined'%(self.node_name))
    		exit()

    	self._battery_voltage = args['battery_voltage']
        if len(self._battery_voltage) == 0:
            raise('battery_voltage argument has to be set')
        self._current_battery_voltage = self._battery_voltage[0][0]
        self._battery_amperes = args['battery_amperes']
        self._current_battery_amperes = self._battery_amperes
        self._battery_alarm_voltage = args['battery_alarm_voltage']
        self._num_inputs_per_driver = args['num_inputs_per_driver']
        self._num_analog_inputs_per_driver = args['num_analog_inputs_per_driver']
        self._num_analog_outputs_per_driver = args['num_analog_outputs_per_driver']
        self._num_outputs_per_driver = args['num_outputs_per_driver']
        self._power_consumption = args['power_consumption']
        if self._power_consumption <= 0:
            raise("power_consumption argument has to be > 0")
        self._current_power_consumption = self._power_consumption
        self._power_charge = args['power_charge']
        if self._power_charge <= 0:
            raise("power_charge argument has to be > 0")

        self._k_analog_inputs_multipliers = args['k_analog_inputs_multipliers']
        self._voltage_analog_input_number = args['voltage_analog_input_number']
        self._current_analog_input_number = args['current_analog_input_number']
        self._charge_digital_output_number = args['charge_digital_output_number']

    	self.real_freq = 1.0

    	# Saves the state of the component
    	self.state = State.INIT_STATE
    	# Saves the previous state
    	self.previous_state = State.INIT_STATE
    	# flag to control the initialization of the component
    	self.initialized = False
    	# flag to control the initialization of ROS stuff
    	self.ros_initialized = False
    	# flag to control that the control loop is running
    	self.running = False
    	# Variable used to control the loop frequency
    	self.time_sleep = 1.0 / self.desired_freq
    	# State msg to publish
    	self.msg_state = State()
    	# Timer to publish state
    	self.publish_state_timer = 1


    	self.t_publish_state = threading.Timer(self.publish_state_timer, self.publishROSstate)

    	self._io = inputs_outputs()

    	for i in range(len(self._motors)*self._num_inputs_per_driver):
    		self._io.digital_inputs.append(False)
    	for i in range(len(self._motors)*self._num_outputs_per_driver):
    		self._io.digital_outputs.append(False)
    	for i in range(len(self._motors)*self._num_analog_inputs_per_driver):
    		self._io.analog_inputs.append(0.0)
    	for i in range(len(self._motors)*self._num_analog_outputs_per_driver):
    		self._io.analog_outputs.append(0.0)

    	if len(self._k_analog_inputs_multipliers) != len(self._io.analog_inputs):
    		rospy.logwarn('%s::__init__: len of param k_analog_inputs_multipliers is different from the len of analog inputs',self.node_name)
    		self._k_analog_inputs_multipliers = [1] * len(self._io.analog_inputs)

    	if self._voltage_analog_input_number <= 0 or self._voltage_analog_input_number > len(self._io.analog_inputs):
    		rospy.logerr('%s::__init__: voltage_analog_input_number (%d) out of range [1, %d].',self.node_name, self._voltage_analog_input_number, len(self._io.analog_inputs))
    		sys.exit()

    	if self._current_analog_input_number <= 0 or self._current_analog_input_number > len(self._io.analog_inputs):
    		rospy.logerr('%s::__init__: current_analog_input_number (%d) out of range [1, %d].',self.node_name, self._current_analog_input_number, len(self._io.analog_inputs))
    		sys.exit()

    	if self._charge_digital_output_number <= 0 or self._charge_digital_output_number > len(self._io.digital_outputs):
    		rospy.logerr('%s::__init__: charge_digital_output_number (%d) out of range [1, %d].',self.node_name, self._charge_digital_output_number, len(self._io.digital_outputs))
    		sys.exit()

    	self._motor_status = RobotnikMotorsStatus()
    	for i in self._motors:
    		ms = MotorStatus()
    		ms.state = "READY"
    		ms.joint = self._motors[i]['joint']
    		ms.can_id = self._motors[i]['can_id']
    		ms.status = "OPERATION_ENABLED"
    		ms.communicationstatus = "OPERATIONAL"
    		ms.statusword = "1110110001100000"
    		ms.driveflags = "10000000000000000000000000000000000010000110000000000000000000000000"
    		ms.activestatusword = ['SW_READY_TO_SWITCH_ON', 'SW_SWITCHED_ON', 'SW_OP_ENABLED', 'SW_VOLTAGE_ENABLED', 'SW_QUICK_STOP',
    	  	'UNKNOWN', 'SW_TARGET_REACHED']
    		ms.activedriveflags = ['BRIDGE_ENABLED', 'NONSINUSOIDAL_COMMUTATION', 'ZERO_VELOCITY', 'AT_COMMAND']
    		ms.digitaloutputs = [False for i in range(self._num_inputs_per_driver)]
    		ms.digitalinputs = [False for i in range(self._num_outputs_per_driver)]
    		ms.analoginputs = [0.0 for i in range(self._num_analog_inputs_per_driver)]
    		self._motor_status.motor_status.append(ms)


    	self._battery_alarm = False
    	self._emergency_stop = False