示例#1
0
    def __init__(self,
                 mock_com,
                 enable_zmq,
                 grc_uplink_address="tcp://localhost:7002",
                 grc_downlink_address="tcp://localhost:7003",
                 uplink_per=0,
                 downlink_per=0):
        self._mock_com = mock_com

        self.i2c = I2CMock(mock_com)

        import response_frames
        from devices import EPS, Comm, AntennaController, Imtq, Gyro, RTCDevice
        from devices import BACKUP_ANTENNA_CONTROLLER_ADDRESS, PRIMARY_ANTENNA_CONTROLLER_ADDRESS

        self.frame_decoder = response_frames.FrameDecoder(
            response_frames.frame_factories)

        self.eps = EPS()
        self.comm = Comm(self.frame_decoder)
        self.transmitter = self.comm.transmitter
        self.receiver = self.comm.receiver
        self.primary_antenna = AntennaController(
            PRIMARY_ANTENNA_CONTROLLER_ADDRESS, "Primary Antenna")
        self.backup_antenna = AntennaController(
            BACKUP_ANTENNA_CONTROLLER_ADDRESS, "Backup Antenna")
        self.imtq = Imtq()
        self.gyro = Gyro()
        self.rtc = RTCDevice()

        self.i2c.add_bus_device(self.eps.controller_a)
        self.i2c.add_pld_device(self.eps.controller_b)
        self.i2c.add_bus_device(self.transmitter)
        self.i2c.add_bus_device(self.receiver)
        self.i2c.add_bus_device(self.primary_antenna)
        self.i2c.add_pld_device(self.backup_antenna)
        self.i2c.add_bus_device(self.imtq)
        self.i2c.add_pld_device(self.rtc)
        self.i2c.add_pld_device(self.gyro)

        if enable_zmq:
            self.zmq_adapter = ZeroMQAdapter(
                self.comm,
                grc_uplink_address=grc_uplink_address,
                grc_downlink_address=grc_downlink_address,
                uplink_per=uplink_per,
                downlink_per=downlink_per)
	def __init__(self):
		super(GyroAndCompassRobot, self).__init__()

		self.gyro = Gyro()
		self.compass = Compass()

		self.compassRegulator = PID(
			getInput = lambda: self.compass.heading,
			setOutput = lambda x: TwoWheeledRobot.drive(self, speed = 0, steer = x),
			outputRange = (-100, 100),
			iLimit = 0.25
		)
		self.gyroRegulator = PID(
			getInput = lambda: self.gyro.angularVelocity,
			setOutput = lambda x: TwoWheeledRobot.drive(self, speed = self.speed, steer = x),
			outputRange = (-100, 100),
			iLimit = 0.25
		)
		#self.regulator.tuneFromZieglerNichols(2.575, 0.698)

		#Compass PID settings
		self.compassRegulator.kp =  2.75 # FIRST this number started at 0 and was raised until it started to oscillate
		self.compassRegulator.ki =  1.5  # THIRD we changed until it stopped dead on.
		self.compassRegulator.kd =  0.2  # SECOND we changed kd until the amount it overshot by was reduced

		#Gyro PID settings
		self.gyroRegulator.kp = 3   # FIRST this number started at 0 and was raised until it started to oscillate
		self.gyroRegulator.ki = 7.5 # THIRD we changed until it stopped dead on.
		self.gyroRegulator.kd = 0   # SECOND we changed kd until the amount it overshot by was reduced
		self.gyroRegulator.target = 0


		self.compassRegulator.start()
		self.gyroRegulator.start()

		self.speed = 0
class GyroAndCompassRobot(TwoWheeledRobot):
	def __init__(self):
		super(GyroAndCompassRobot, self).__init__()

		self.gyro = Gyro()
		self.compass = Compass()

		self.compassRegulator = PID(
			getInput = lambda: self.compass.heading,
			setOutput = lambda x: TwoWheeledRobot.drive(self, speed = 0, steer = x),
			outputRange = (-100, 100),
			iLimit = 0.25
		)
		self.gyroRegulator = PID(
			getInput = lambda: self.gyro.angularVelocity,
			setOutput = lambda x: TwoWheeledRobot.drive(self, speed = self.speed, steer = x),
			outputRange = (-100, 100),
			iLimit = 0.25
		)
		#self.regulator.tuneFromZieglerNichols(2.575, 0.698)

		#Compass PID settings
		self.compassRegulator.kp =  2.75 # FIRST this number started at 0 and was raised until it started to oscillate
		self.compassRegulator.ki =  1.5  # THIRD we changed until it stopped dead on.
		self.compassRegulator.kd =  0.2  # SECOND we changed kd until the amount it overshot by was reduced

		#Gyro PID settings
		self.gyroRegulator.kp = 3   # FIRST this number started at 0 and was raised until it started to oscillate
		self.gyroRegulator.ki = 7.5 # THIRD we changed until it stopped dead on.
		self.gyroRegulator.kd = 0   # SECOND we changed kd until the amount it overshot by was reduced
		self.gyroRegulator.target = 0


		self.compassRegulator.start()
		self.gyroRegulator.start()

		self.speed = 0

	@logs.to(logs.movement)
	def drive(self, speed, steer = 0, regulate = True):
		"""
		Drive the robot at a certain speed, by default using the compass to
		regulate the robot's heading.

		TODO: Tune PID controller for straight movement.
		"""
		if regulate:
			self.compassRegulator.enabled = False

			self.speed = speed
			self.gyro.calibrate()
			self.gyroRegulator.target = steer
			self.gyroRegulator.enabled = True
		else:
			TwoWheeledRobot.drive(self, speed, steer)

	@logs.to(logs.movement)	
	def rotateTo(self, angle, tolerance = 5):
		self.gyroRegulator.enabled = False
		self.compassRegulator.target = angle
		self.speed = 0

		self.compassRegulator.enabled = True
		while not self.compassRegulator.onTarget(tolerance=tolerance):
			time.sleep(0.05)

	def rotateBy(self, angle, fromTarget = False, tolerance = 5):
		"""
		Rotate the robot a certain angle from the direction it is currently
		facing. Optionally rotate from the last target, preventing errors
		accumulating
		"""
		self.rotateTo((self.compassRegulator.target if fromTarget else self.compass.heading) + angle, tolerance = tolerance)
		
	def stop(self):
		"""
		Stop the robot, by setting the speed to 0, and disabling regulation
		"""
		self.speed = 0
		self.gyroRegulator.enabled = False
		self.compassRegulator.enabled = False
		super(GyroAndCompassRobot, self).stop()