def navigate_pattern(metalog, conf, viewer=None): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name, timestamps_log=open(metalog.getLog('timestamps'), 'w')) can.resetModules(configFn=setup_faster_update) if conf is not None and 'localization' in conf.data: loc = SimpleOdometry.from_dict(conf.data['localization']) else: loc = SimpleOdometry(pose=(0.0, 2.5, 0.0)) loc.global_map = [(0.0, 0.0), (15.0, 0.0), (15.0, 5.0), (0.0, 5.0)] jd_config = None if conf is not None and 'johndeere' in conf.data: jd_config = conf.data['johndeere'] robot = JohnDeere(can=can, localization=loc, config=jd_config) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup for sensor_name in ['gps', 'laser', 'camera']: attach_sensor(robot, sensor_name, metalog) attach_processor(robot, metalog, image_callback) long_side = max([x for x, y in robot.localization.global_map]) robot.canproxy.stop() robot.canproxy.set_turn_raw(0) if viewer is not None: robot.extensions.append(('viewer', viewer_extension)) speed = 0.5 try: robot.extensions.append(('detect_near', detect_near_extension)) robot.extensions.append(('emergency_stop', emergency_stop_extension)) for i in xrange(10): # run_oval(robot, speed) run_there_and_back(robot, long_side, speed) except NearObstacle: print "Near Exception Raised!" robot.extensions = [] # hack except EmergencyStopException: print "Emergency STOP Exception!" robot.extensions = [] # hack robot.canproxy.stop() robot.canproxy.stop_turn() robot.wait(3.0) detach_all_sensors(robot)
def self_test(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.canproxy.stop() # center(robot) wait_for_start(robot) robot.desired_speed = 0.5 start_time = robot.time robot.canproxy.set_turn_raw(0) robot.canproxy.go() # go(robot) while robot.time - start_time < 333.0: robot.update() print robot.time, robot.gas if not robot.buttonGo: print "STOP!" break robot.canproxy.stop_turn() center(robot) # keep old version for the first test
def driver_self_test(driver, metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO robot.canproxy.stop() robot.canproxy.set_turn_raw(0) go_straight(robot, distance=1.0, speed=0.3, with_stop=True) for i in range(3): turn(robot, math.radians(-45), radius=2.6, speed=0.5) turn(robot, math.radians(-45), radius=2.6, speed=-0.5) robot.canproxy.stop_turn() robot.wait(3.0)
def driver_self_test(driver, metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO robot.canproxy.stop() robot.canproxy.set_turn_raw(0) go_straight(robot, distance=1.0, speed=0.3, with_stop=True) for i in xrange(3): turn(robot, math.radians(-45), radius=2.6, speed=0.5) turn(robot, math.radians(-45), radius=2.6, speed=-0.5) robot.canproxy.stop_turn() robot.wait(3.0)
def testNewSDO_0( filename ): from can import ReplyLog can=CAN(ReplyLog(filename)) can.resetModules() sdoplg = SDOPlg( can ) ( nodeID, dataIndex, subIndex ) = 10, 16*256+10, 0 data = sdoplg.readSDO( nodeID, dataIndex, subIndex ) print("RESUT DATA:", data)
def testNewSDO_0(filename): from can import ReplyLog can = CAN(ReplyLog(filename)) can.resetModules() sdoplg = SDOPlg(can) (nodeID, dataIndex, subIndex) = 10, 16 * 256 + 10, 0 data = sdoplg.readSDO(nodeID, dataIndex, subIndex) print("RESUT DATA:", data)
def testNewSDO(filename): from can import ReplyLog can = CAN(ReplyLog(filename)) can.resetModules() (nodeID, dataIndex, subIndex) = 10, 16 * 256 + 10, 0 reader = ReadSDO(nodeID, dataIndex, subIndex) for packet in reader.generator(): if packet != None: can.sendData(*packet) reader.update(can.readPacket()) print("RESUT DATA:", reader.result)
def testNewSDO( filename ): from can import ReplyLog can=CAN(ReplyLog(filename)) can.resetModules() ( nodeID, dataIndex, subIndex ) = 10, 16*256+10, 0 reader = ReadSDO( nodeID, dataIndex, subIndex ) for packet in reader.generator(): if packet != None: can.sendData( *packet ) reader.update( can.readPacket() ) print("RESUT DATA:", reader.result)
def __init__( self, can=None, maxAcc = 1.0, replyLog = None, metaLog = None ): self.metaLog = metaLog self.replyLog = replyLog if not can: can=CAN() can.resetModules() print can self.can = can self.WHEEL_DISTANCE = 0.245 # small Eduro self._WHEEL_DIAMETER = 0.15 self.maxAcc = maxAcc # could be None as "no limit" self.maxAngularAcc = 2.0*maxAcc/self.WHEEL_DISTANCE self.swappedMotors = False self.SpeedL,self.SpeedR=0,0 self.prevEncL = None self.prevEncR = None self.encData = {} self._rampLastLeft, self._rampLastRight = 0.0, 0.0 self.lastDistStep = 0.0 self.lastAngleStep = 0.0 self.currentSpeed = 0.0 self.currentAngularSpeed = 0.0 self.time = 0.0 # time in seconds since boot self.battery = None self.emergencyStop = None self.startCableIn = None self.switchBlueSelected = None self.buttonPause = None self.cmdLEDBlue = 0xFF self.cmdLEDRed = 0xFF self.toDisplay = None self.beep = None self.compass = None self.compassRaw = None self.compassAcc = None self.compassAccRaw = None self.sharp = None self.fnSpeedLimitController = [self.sharpSpeedFn, self.pauseSpeedFn] self.localisation = None self.extensions=[] self.dataSources=[] self.modulesForRestart = [] self.can.sendOperationMode()
def __init__(self, can=None, maxAcc=1.0, replyLog=None, metaLog=None): self.metaLog = metaLog self.replyLog = replyLog if not can: can = CAN() can.resetModules() print can self.can = can self.WHEEL_DISTANCE = 0.245 # small Eduro self._WHEEL_DIAMETER = 0.15 self.maxAcc = maxAcc # could be None as "no limit" self.maxAngularAcc = 2.0 * maxAcc / self.WHEEL_DISTANCE self.swappedMotors = False self.SpeedL, self.SpeedR = 0, 0 self.prevEncL = None self.prevEncR = None self.encData = {} self._rampLastLeft, self._rampLastRight = 0.0, 0.0 self.lastDistStep = 0.0 self.lastAngleStep = 0.0 self.currentSpeed = 0.0 self.currentAngularSpeed = 0.0 self.time = 0.0 # time in seconds since boot self.battery = None self.emergencyStop = None self.startCableIn = None self.switchBlueSelected = None self.buttonPause = None self.cmdLEDBlue = 0xFF self.cmdLEDRed = 0xFF self.toDisplay = None self.beep = None self.compass = None self.compassRaw = None self.compassAcc = None self.compassAccRaw = None self.sharp = None self.fnSpeedLimitController = [self.sharpSpeedFn, self.pauseSpeedFn] self.localisation = None self.extensions = [] self.dataSources = [] self.modulesForRestart = [] self.can.sendOperationMode()
def create_robot(metalog, conf): assert metalog is not None assert conf is not None # config is required! can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name, timestamps_log=open(metalog.getLog('timestamps'), 'w')) can.resetModules(configFn=setup_faster_update) loc = SimpleOdometry.from_dict(conf.data.get('localization')) robot = JohnDeere(can=can, localization=loc, config=conf.data.get('johndeere')) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup return robot
def demo(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO # GPS gps_log_name = metalog.getLog('gps') print(gps_log_name) if metalog.replay: robot.gps = DummySensor() function = SourceLogger(None, gps_log_name).get else: robot.gps = GPS(verbose=0) function = SourceLogger(robot.gps.coord, gps_log_name).get robot.gps_data = None robot.register_data_source('gps', function, gps_data_extension) # Velodyne velodyne_log_name = metalog.getLog('velodyne_dist') print(velodyne_log_name) sensor = Velodyne(metalog=metalog) if metalog.replay: robot.velodyne = DummySensor() function = SourceLogger(None, velodyne_log_name).get else: robot.velodyne = VelodyneThread(sensor) function = SourceLogger(robot.velodyne.scan_safe_dist, velodyne_log_name).get robot.velodyne_data = None robot.register_data_source('velodyne', function, velodyne_data_extension) robot.gps.start() # ASAP so we get GPS fix robot.velodyne.start( ) # the data source is active, so it is necessary to read-out data center(robot) wait_for_start(robot) moving = False robot.desired_speed = 0.5 start_time = robot.time prev_gps = robot.gps_data prev_destination_dist = None while robot.time - start_time < 30 * 60: # limit 30 minutes robot.update() if robot.gps_data != prev_gps: print(robot.time, robot.gas, robot.gps_data, robot.velodyne_data) prev_gps = robot.gps_data dist = None if robot.velodyne_data is not None: dist_index = None if len(robot.velodyne_data) == 2: index, dist = robot.velodyne_data else: index, dist, dist_index = robot.velodyne_data if dist is not None: dist = min(dist) # currently supported tupple of readings if moving: if dist is None or dist < SAFE_DISTANCE_STOP: print("!!! STOP !!! -", robot.velodyne_data) #center(robot) robot.canproxy.stop() moving = False elif dist < TURN_DISTANCE: if abs(robot.steering_angle) < STRAIGHT_EPS: arr = robot.velodyne_data[1] num = len(arr) left, right = min(arr[:num / 2]), min(arr[num / 2:]) print("DECIDE", left, right, robot.velodyne_data) if left <= right: robot.canproxy.set_turn_raw(-100) robot.steering_angle = math.radians( -30) # TODO replace by autodetect else: robot.canproxy.set_turn_raw(100) robot.steering_angle = math.radians( 30) # TODO replace by autodetect elif dist > NO_TURN_DISTANCE: if abs(robot.steering_angle) > STRAIGHT_EPS: robot.canproxy.set_turn_raw(0) robot.steering_angle = 0.0 # TODO replace by autodetect else: # not moving if dist is not None and dist > SAFE_DISTANCE_GO: print("GO", robot.velodyne_data) #go(robot) robot.canproxy.go() moving = True if not robot.buttonGo: print("STOP!") break robot.canproxy.stop_turn() center(robot) robot.velodyne.requestStop() robot.gps.requestStop()
def demo(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO # GPS gps_log_name = metalog.getLog('gps') print gps_log_name if metalog.replay: robot.gps = DummySensor() function = SourceLogger(None, gps_log_name).get else: robot.gps = GPS(verbose=0) function = SourceLogger(robot.gps.coord, gps_log_name).get robot.gps_data = None robot.register_data_source('gps', function, gps_data_extension) # Laser laser_log_name = metalog.getLog('laser') print laser_log_name if metalog.replay: robot.laser = DummySensor() function = SourceLogger(None, laser_log_name).get else: robot.laser = LaserIP() function = SourceLogger(robot.laser.scan, laser_log_name).get robot.laser_data = None robot.register_data_source('laser', function, laser_data_extension) robot.gps.start() # ASAP so we get GPS fix robot.laser.start() while robot.gas is None: robot.update() center(robot) wait_for_start(robot) moving = False robot.desired_speed = 0.5 start_time = robot.time prev_gps = robot.gps_data prev_destination_dist = None while robot.time - start_time < 30*60: # limit 30 minutes robot.update() dist = None if robot.laser_data is not None: assert len(robot.laser_data) == 541, len(robot.laser_data) distL, distR = min_dist_arr(robot.laser_data[200:-200]) distL = 20.0 if distL is None else distL distR = 20.0 if distR is None else distR dist = min(distL, distR) if robot.gps_data != prev_gps: print robot.time, robot.gas, robot.gps_data, (distL, distR) prev_gps = robot.gps_data if moving: if dist is None or dist < SAFE_DISTANCE_STOP: print "!!! STOP !!!", dist, (distL, distR) robot.canproxy.stop() moving = False elif dist < TURN_DISTANCE: if abs(robot.steering_angle) < STRAIGHT_EPS: print "DECIDE", distL, distR if distL <= distR: robot.canproxy.set_turn_raw(-100) robot.steering_angle = math.radians(-30) else: robot.canproxy.set_turn_raw(100) robot.steering_angle = math.radians(30) elif dist > NO_TURN_DISTANCE: if abs(robot.steering_angle) > STRAIGHT_EPS: robot.canproxy.set_turn_raw(0) robot.steering_angle = 0.0 else: # not moving if dist is not None and dist > SAFE_DISTANCE_GO: print "GO", dist robot.canproxy.go() moving = True if not robot.buttonGo: print "STOP!" break robot.canproxy.stop_turn() center(robot) robot.laser.requestStop() robot.gps.requestStop()
def drive_remotely(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO soc = metalog.createLoggedSocket('remote', headerFormat=None) # TODO fix headerFormat soc.bind( ('',PORT) ) if not metalog.replay: soc.soc.setblocking(0) soc.soc.settimeout( SOCKET_TIMEOUT ) remote_cmd_log_name = metalog.getLog('remote_cmd') if metalog.replay: robot.remote = DummySensor() function = SourceLogger(None, remote_cmd_log_name).get else: robot.remote = RemoteThread(soc) function = SourceLogger(robot.remote.get_data, remote_cmd_log_name).get max_speed = None robot.remote_data = None robot.register_data_source('remote', function, remote_data_extension) robot.remote.start() robot.canproxy.stop() robot.canproxy.set_turn_raw(0) print("Waiting for remote commands ...") while robot.remote_data is None: robot.update() print("received", robot.remote_data.strip()) moving = False turning = False while robot.remote_data != 'END\n': robot.update() if robot.remote_data == 'STOP\n' and (moving or turning): if moving: robot.canproxy.stop() print("STOP") moving = False if turning: robot.canproxy.stop_turn() print("STOP turn") turning = False elif robot.remote_data == 'UP\n' and not moving: if max_speed is None: robot.canproxy.go() print("GO") else: robot.set_desired_speed(max_speed) print("GO", max_speed) moving = True elif robot.remote_data == 'DOWN\n' and not moving: if max_speed is None: robot.canproxy.go_back() print("GO back") else: robot.set_desired_speed(-max_speed) print("GO back", max_speed) moving = True elif robot.remote_data == 'LEFT\n': robot.canproxy.set_turn_raw(200) print("Left") turning = True elif robot.remote_data == 'RIGHT\n': robot.canproxy.set_turn_raw(-200) print("Right") turning = True elif robot.remote_data == 'SPEED0\n': max_speed = None elif robot.remote_data.startswith('SPEED'): max_speed = int(robot.remote_data[len('SPEED'):])/10.0 print("Max Speed", max_speed) print("received", robot.remote_data.strip()) robot.canproxy.stop_turn() robot.remote.requestStop() robot.wait(3.0)
def ver0(metalog, waypoints=None): assert metalog is not None assert waypoints is not None # for simplicity (first is start) conv = Convertor(refPoint = waypoints[0]) waypoints = waypoints[1:-1] # remove start/finish can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO # mount_sensor(GPS, robot, metalog) gps_log_name = metalog.getLog('gps') print gps_log_name if metalog.replay: robot.gps = DummySensor() function = SourceLogger(None, gps_log_name).get else: robot.gps = GPS(verbose=0) function = SourceLogger(robot.gps.coord, gps_log_name).get robot.gps_data = None robot.register_data_source('gps', function, gps_data_extension) # mount_sensor(VelodyneThread, robot, metalog) velodyne_log_name = metalog.getLog('velodyne_dist') print velodyne_log_name sensor = Velodyne(metalog=metalog) if metalog.replay: robot.velodyne = DummySensor() function = SourceLogger(None, velodyne_log_name).get else: robot.velodyne = VelodyneThread(sensor) function = SourceLogger(robot.velodyne.scan_safe_dist, velodyne_log_name).get robot.velodyne_data = None robot.register_data_source('velodyne', function, velodyne_data_extension) robot.gps.start() # ASAP so we get GPS fix robot.velodyne.start() # the data source is active, so it is necessary to read-out data center(robot) wait_for_start(robot) moving = False robot.desired_speed = 0.5 start_time = robot.time prev_gps = robot.gps_data prev_destination_dist = None while robot.time - start_time < 30*60: # RO timelimit 30 minutes robot.update() if robot.gps_data != prev_gps: print robot.time, robot.gas, robot.gps_data, robot.velodyne_data prev_gps = robot.gps_data if robot.gps_data is not None: dist_arr = [distance( conv.geo2planar((robot.gps_data[1], robot.gps_data[0])), conv.geo2planar(destination) ) for destination in waypoints] dist = min(dist_arr) print "DIST-GPS", dist if prev_destination_dist is not None: if prev_destination_dist < dist and dist < 10.0: robot.drop_ball = True # remove nearest i = dist_arr.index(dist) # ugly, but ... print "INDEX", i del waypoints[i] center(robot) moving = False robot.wait(1.0) robot.drop_ball = False robot.wait(3.0) dist = None prev_destination_dist = dist dist = None if robot.velodyne_data is not None: index, dist = robot.velodyne_data if dist is not None: dist = min(dist) # currently supported tupple of readings if moving: if dist is None or dist < SAFE_DISTANCE_STOP: print "!!! STOP !!! -", robot.velodyne_data center(robot) moving = False elif dist < TURN_DISTANCE: if abs(robot.steering_angle) < STRAIGHT_EPS: arr = robot.velodyne_data[1] num = len(arr) left, right = min(arr[:num/2]), min(arr[num/2:]) print "DECIDE", left, right, robot.velodyne_data if left <= right: robot.pulse_right(RIGHT_TURN_TIME) robot.steering_angle = math.radians(-30) # TODO replace by autodetect else: robot.pulse_left(LEFT_TURN_TIME) robot.steering_angle = math.radians(30) # TODO replace by autodetect elif dist > NO_TURN_DISTANCE: if abs(robot.steering_angle) > STRAIGHT_EPS: if robot.steering_angle < 0: robot.pulse_left(LEFT_TURN_TIME) else: robot.pulse_right(RIGHT_TURN_TIME) robot.steering_angle = 0.0 # TODO replace by autodetect else: # not moving if dist is not None and dist > SAFE_DISTANCE_GO: print "GO", robot.velodyne_data go(robot) moving = True if not robot.buttonGo: print "STOP!" break center(robot) robot.velodyne.requestStop() robot.gps.requestStop()
def demo(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO # GPS gps_log_name = metalog.getLog('gps') print gps_log_name if metalog.replay: robot.gps = DummySensor() function = SourceLogger(None, gps_log_name).get else: robot.gps = GPS(verbose=0) function = SourceLogger(robot.gps.coord, gps_log_name).get robot.gps_data = None robot.register_data_source('gps', function, gps_data_extension) # Velodyne velodyne_log_name = metalog.getLog('velodyne_dist') print velodyne_log_name sensor = Velodyne(metalog=metalog) if metalog.replay: robot.velodyne = DummySensor() function = SourceLogger(None, velodyne_log_name).get else: robot.velodyne = VelodyneThread(sensor) function = SourceLogger(robot.velodyne.scan_safe_dist, velodyne_log_name).get robot.velodyne_data = None robot.register_data_source('velodyne', function, velodyne_data_extension) robot.gps.start() # ASAP so we get GPS fix robot.velodyne.start() # the data source is active, so it is necessary to read-out data center(robot) wait_for_start(robot) moving = False robot.desired_speed = 0.5 start_time = robot.time prev_gps = robot.gps_data prev_destination_dist = None while robot.time - start_time < 30*60: # limit 30 minutes robot.update() if robot.gps_data != prev_gps: print robot.time, robot.gas, robot.gps_data, robot.velodyne_data prev_gps = robot.gps_data dist = None if robot.velodyne_data is not None: dist_index = None if len(robot.velodyne_data) == 2: index, dist = robot.velodyne_data else: index, dist, dist_index = robot.velodyne_data if dist is not None: dist = min(dist) # currently supported tupple of readings if moving: if dist is None or dist < SAFE_DISTANCE_STOP: print "!!! STOP !!! -", robot.velodyne_data #center(robot) robot.canproxy.stop() moving = False elif dist < TURN_DISTANCE: if abs(robot.steering_angle) < STRAIGHT_EPS: arr = robot.velodyne_data[1] num = len(arr) left, right = min(arr[:num/2]), min(arr[num/2:]) print "DECIDE", left, right, robot.velodyne_data if left <= right: robot.canproxy.set_turn_raw(-100) robot.steering_angle = math.radians(-30) # TODO replace by autodetect else: robot.canproxy.set_turn_raw(100) robot.steering_angle = math.radians(30) # TODO replace by autodetect elif dist > NO_TURN_DISTANCE: if abs(robot.steering_angle) > STRAIGHT_EPS: robot.canproxy.set_turn_raw(0) robot.steering_angle = 0.0 # TODO replace by autodetect else: # not moving if dist is not None and dist > SAFE_DISTANCE_GO: print "GO", robot.velodyne_data #go(robot) robot.canproxy.go() moving = True if not robot.buttonGo: print "STOP!" break robot.canproxy.stop_turn() center(robot) robot.velodyne.requestStop() robot.gps.requestStop()
def self_test(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.canproxy.stop() # wait_for_start(robot) robot.set_desired_speed(0.5) start_time = robot.time robot.canproxy.set_turn_raw(0) robot.canproxy.go() start_dist = robot.canproxy.dist_left_raw + robot.canproxy.dist_right_raw arr = [] while robot.time - start_time < 10.0: robot.update() arr.append(robot.canproxy.gas) dist = ENC_SCALE*(robot.canproxy.dist_left_raw + robot.canproxy.dist_right_raw - start_dist)/2.0 if dist > 1.0: print "Dist OK at {}s".format(robot.time - start_time), sorted(arr)[len(arr)/2] break print dist robot.stop() robot.wait(3.0) dist = ENC_SCALE*(robot.canproxy.dist_left_raw + robot.canproxy.dist_right_raw - start_dist)/2.0 print dist print robot.canproxy.go_back() start_time = robot.time start_dist = robot.canproxy.dist_left_raw + robot.canproxy.dist_right_raw arr = [] while robot.time - start_time < 10.0: robot.update() arr.append(robot.canproxy.gas) dist = ENC_SCALE*(robot.canproxy.dist_left_raw + robot.canproxy.dist_right_raw - start_dist)/2.0 if dist < -1.0: print "Dist back OK at {}s".format(robot.time - start_time), sorted(arr)[len(arr)/2] break print dist # print robot.time, robot.canproxy.gas # if not robot.buttonGo: # print "STOP!" # break robot.canproxy.stop_turn() robot.stop() robot.wait(3.0) dist = ENC_SCALE*(robot.canproxy.dist_left_raw + robot.canproxy.dist_right_raw - start_dist)/2.0 print dist
def demo(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO # GPS gps_log_name = metalog.getLog('gps') print gps_log_name if metalog.replay: robot.gps = DummySensor() function = SourceLogger(None, gps_log_name).get else: robot.gps = GPS(verbose=0) function = SourceLogger(robot.gps.coord, gps_log_name).get robot.gps_data = None robot.register_data_source('gps', function, gps_data_extension) # Laser laser_log_name = metalog.getLog('laser') print laser_log_name if metalog.replay: robot.laser = DummySensor() function = SourceLogger(None, laser_log_name).get else: robot.laser = LaserIP() function = SourceLogger(robot.laser.scan, laser_log_name).get robot.laser_data = None robot.register_data_source('laser', function, laser_data_extension) robot.gps.start() # ASAP so we get GPS fix robot.laser.start() print "Wait for gas" while robot.canproxy.gas is None: robot.update() print "Wait for center" robot.canproxy.stop() # not available now :( ... wait_for_start(robot) moving = False robot.desired_speed = 0.5 start_time = robot.time prev_gps = robot.gps_data prev_destination_dist = None last_laser_update = None prev_laser = None while robot.time - start_time < 3*60: # 3min robot.update() dist = None turn_angle = None if robot.laser_data is not None: assert len(robot.laser_data) == 541, len(robot.laser_data) if robot.laser_data != prev_laser: prev_laser = robot.laser_data last_laser_update = robot.time distL, distR = min_dist_arr(robot.laser_data[200:-200]) distL = 20.0 if distL is None else distL distR = 20.0 if distR is None else distR dist = min(distL, distR) turn_angle = follow_wall_angle(robot.laser_data, radius=1.5) if last_laser_update is not None and robot.time - last_laser_update > 0.3: print "!!!WARNING!!! Missing laser updates for last {:.1f}s".format(robot.time - last_laser_update) dist = None # no longer valid distance measurements if robot.gps_data != prev_gps: if turn_angle is not None: print robot.time, robot.canproxy.gas, "(%.3f, %.3f)" % (distL, distR), math.degrees(turn_angle) else: print robot.time, robot.canproxy.gas, "(%.3f, %.3f)" % (distL, distR), turn_angle prev_gps = robot.gps_data if moving: if dist is None or dist < SAFE_DISTANCE_STOP: print "!!! STOP !!!", dist, (distL, distR) robot.canproxy.stop() moving = False else: # not moving if dist is not None and dist > SAFE_DISTANCE_GO: print "GO", dist robot.canproxy.go() moving = True if turn_angle is not None: turn_cmd = max(-120, min(120, 2*math.degrees(turn_angle))) robot.canproxy.set_turn_raw(turn_cmd) # print turn_cmd # if not robot.buttonGo: # print "STOP!" # break robot.canproxy.stop_turn() robot.canproxy.stop() for i in xrange(20): robot.update() robot.laser.requestStop() robot.gps.requestStop()
def robot_go_straight(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name, timestamps_log=open(metalog.getLog('timestamps'), 'w')) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can, localization=SimpleOdometry()) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup for sensor_name in ['gps', 'laser', 'camera']: attach_sensor(robot, sensor_name, metalog) robot.canproxy.stop() robot.set_desired_steering(0.0) # i.e. go straight (!) try: robot.extensions.append(('emergency_stop', emergency_stop_extension)) print(robot.canproxy.buttons_and_LEDs) wait_for_start(robot) print(robot.canproxy.buttons_and_LEDs) prev_laser = None last_laser_update = None moving = False dist = None distL, distR = None, None prev_camera = None global_offset = 0.0 while True: robot.update() if robot.laser_data is not None: assert len(robot.laser_data) == 541, len(robot.laser_data) if robot.laser_data != prev_laser: prev_laser = robot.laser_data last_laser_update = robot.time distL = min_dist(robot.laser_data[:180], INFINITY) dist = min_dist(robot.laser_data[180:360], INFINITY) distR = min_dist(robot.laser_data[360:], INFINITY) print("dist", distL, dist, distR) if prev_camera != robot.camera_data: print("CAMERA", robot.camera_data) prev_camera = robot.camera_data # filename = 'm:\\git\\osgar\\logs\\pisek170513\\game3\\' + os.path.basename(prev_camera[0]) filename = prev_camera[0] img = cv2.imread(filename) if img is not None: img = img[2*768/3:,:,:] r = img[:,:,0] g = img[:,:,1] b = img[:,:,2] mask = np.logical_and(g > b, g > r) img[mask] = 0 left = mask[:, :512].sum() right = mask[:, 512:].sum() # print "LEFT_RIGHT", filename, left, right if left > GREEN_LIMIT or right > GREEN_LIMIT: if left < right: global_offset = math.radians(2.5) else: global_offset = math.radians(-2.5) else: global_offset = 0.0 robot.set_desired_steering(0.0 + global_offset) if moving: if dist is None or dist < SAFE_DISTANCE_STOP or min(distL, distR) < SAFE_SIDE_DISTANCE_STOP: print("!!! STOP !!!", distL, dist, distR) robot.canproxy.stop() moving = False else: # not moving if dist is not None and dist > SAFE_DISTANCE_GO and min(distL, distR) > SAFE_SIDE_DISTANCE_GO: print("GO", distL, dist, distR) robot.set_desired_speed(DESIRED_SPEED) moving = True if last_laser_update is not None and robot.time - last_laser_update > 0.3: print("!!!WARNING!!! Missing laser updates for last {:.1f}s".format(robot.time - last_laser_update)) dist = None # no longer valid distance measurements except EmergencyStopException: print("Emergency STOP Exception!") robot.extensions = [] # hack robot.canproxy.stop() robot.canproxy.stop_turn() robot.wait(3.0) detach_all_sensors(robot)
def followme(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO # GPS gps_log_name = metalog.getLog('gps') print gps_log_name if metalog.replay: robot.gps = DummySensor() function = SourceLogger(None, gps_log_name).get else: robot.gps = GPS(verbose=0) function = SourceLogger(robot.gps.coord, gps_log_name).get robot.gps_data = None robot.register_data_source('gps', function, gps_data_extension) # Velodyne velodyne_log_name = metalog.getLog('velodyne_dist') print velodyne_log_name sensor = Velodyne(metalog=metalog) if metalog.replay: robot.velodyne = DummySensor() function = SourceLogger(None, velodyne_log_name).get else: robot.velodyne = VelodyneThread(sensor) function = SourceLogger(robot.velodyne.scan_safe_dist, velodyne_log_name).get robot.velodyne_data = None robot.register_data_source('velodyne', function, velodyne_data_extension) robot.gps.start() # ASAP so we get GPS fix robot.velodyne.start( ) # the data source is active, so it is necessary to read-out data center(robot) wait_for_start(robot) moving = False target_detected = False robot.desired_speed = 0.5 start_time = robot.time prev_gps = robot.gps_data prev_destination_dist = None while robot.time - start_time < 30 * 60: # limit 30 minutes robot.update() if robot.gps_data != prev_gps: if robot.velodyne_data is not None: print(robot.velodyne_data[-1], robot.canproxy.wheel_angle_raw, robot.canproxy.desired_wheel_angle_raw) prev_gps = robot.gps_data dist, dist_index = None, None if robot.velodyne_data is not None: if len(robot.velodyne_data) == 2: index, dist = robot.velodyne_data else: index, dist, dist_index = robot.velodyne_data if dist is not None: dist = min(dist) # currently supported tupple of readings if dist_index is not None: target_index, target_dist = dist_index robot.canproxy.set_turn_raw(int((-100 / 45.) * target_index)) target_detected = target_dist < TARGET_DISTANCE else: dist_index = False if moving: if dist is None or dist < SAFE_DISTANCE_STOP or not target_detected: print "!!! STOP !!! -", robot.velodyne_data robot.canproxy.stop() moving = False else: # not moving if dist is not None and dist > SAFE_DISTANCE_GO: print "GO", target_detected, robot.velodyne_data if target_detected: robot.canproxy.go_slowly() moving = True if not robot.buttonGo: print "STOP!" break robot.canproxy.stop_turn() center(robot) robot.velodyne.requestStop() robot.gps.requestStop()
class JohnDeere(object): UPDATE_TIME_FREQUENCY = 5.0 #20.0 # Hz def __init__(self, can=None): if can is None: self.can = CAN() self.can.resetModules() else: self.can = can self.canproxy = CANProxy(self.can) self.time = 0.0 self.gas = None self.steering_angle = 0.0 # in the future None and auto-detect self.buttonGo = None self.desired_speed = 0.0 self.filteredGas = None self.compass = None self.compassRaw = None self.compassAcc = None self.compassAccRaw = None self.drop_ball = False # TODO move to ro.py only self.extensions = [] self.data_sources = [] self.modulesForRestart = [] self.can.sendOperationMode() def __del__(self): self.can.sendPreoperationMode() # TODO to move out, can.py?? def check_modules(self, packet): # test if all modules are in Operation mode, if not restart them id, data = packet if id & 0xFF0 == 0x700: # heart beat message moduleId = id & 0xF assert (len(data) == 1) if data[0] != 5: self.can.printPacket(id, data) if not moduleId in self.modulesForRestart: self.modulesForRestart.append(moduleId) print "RESET", moduleId self.can.sendData(0, [129, moduleId]) # if moduleId in [0x01, 0x02]: # if (0x180 | moduleId) in self.encData: # # The encoder information is invalid during a reset # del self.encData[0x180 | moduleId] elif data[0] == 127: # restarted and in preoperation print "SWITCH TO OPERATION", moduleId self.can.sendData(0, [1, moduleId]) elif moduleId in self.modulesForRestart: print "RUNNING", moduleId self.modulesForRestart.remove(moduleId) def register_data_source(self, name, function, extension=None): self.data_sources.append((name, function)) if extension is not None: self.extensions.append((name, extension)) def update_gas_status(self, (id, data)): if id == 0x281: assert (len(data) >= 8) self.gas = data[1] * 256 + data[0] self.buttonGo = (data[-1] > 64) if self.filteredGas is None: self.filteredGas = self.gas else: self.filteredGas = SCALE_NEW * self.gas + ( 1.0 - SCALE_NEW) * self.filteredGas
def self_test(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.canproxy.stop() # wait_for_start(robot) robot.desired_speed = 0.5 start_time = robot.time robot.canproxy.set_turn_raw(0) robot.canproxy.go() start_dist = robot.canproxy.dist_left_raw + robot.canproxy.dist_right_raw arr = [] while robot.time - start_time < 10.0: robot.update() arr.append(robot.canproxy.gas) dist = ENC_SCALE*(robot.canproxy.dist_left_raw + robot.canproxy.dist_right_raw - start_dist)/2.0 if dist > 1.0: print "Dist OK at {}s".format(robot.time - start_time), sorted(arr)[len(arr)/2] break print dist robot.stop() robot.wait(3.0) dist = ENC_SCALE*(robot.canproxy.dist_left_raw + robot.canproxy.dist_right_raw - start_dist)/2.0 print dist print robot.canproxy.go_back() start_time = robot.time start_dist = robot.canproxy.dist_left_raw + robot.canproxy.dist_right_raw arr = [] while robot.time - start_time < 10.0: robot.update() arr.append(robot.canproxy.gas) dist = ENC_SCALE*(robot.canproxy.dist_left_raw + robot.canproxy.dist_right_raw - start_dist)/2.0 if dist < -1.0: print "Dist back OK at {}s".format(robot.time - start_time), sorted(arr)[len(arr)/2] break print dist # print robot.time, robot.canproxy.gas # if not robot.buttonGo: # print "STOP!" # break robot.canproxy.stop_turn() robot.stop() robot.wait(3.0) dist = ENC_SCALE*(robot.canproxy.dist_left_raw + robot.canproxy.dist_right_raw - start_dist)/2.0 print dist
def followme(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO # GPS gps_log_name = metalog.getLog('gps') print(gps_log_name) if metalog.replay: robot.gps = DummySensor() function = SourceLogger(None, gps_log_name).get else: robot.gps = GPS(verbose=0) function = SourceLogger(robot.gps.coord, gps_log_name).get robot.gps_data = None robot.register_data_source('gps', function, gps_data_extension) # Velodyne velodyne_log_name = metalog.getLog('velodyne_dist') print(velodyne_log_name) sensor = Velodyne(metalog=metalog) if metalog.replay: robot.velodyne = DummySensor() function = SourceLogger(None, velodyne_log_name).get else: robot.velodyne = VelodyneThread(sensor) function = SourceLogger(robot.velodyne.scan_safe_dist, velodyne_log_name).get robot.velodyne_data = None robot.register_data_source('velodyne', function, velodyne_data_extension) robot.gps.start() # ASAP so we get GPS fix robot.velodyne.start() # the data source is active, so it is necessary to read-out data center(robot) wait_for_start(robot) moving = False target_detected = False robot.desired_speed = 0.5 start_time = robot.time prev_gps = robot.gps_data prev_destination_dist = None while robot.time - start_time < 30*60: # limit 30 minutes robot.update() if robot.gps_data != prev_gps: if robot.velodyne_data is not None: print((robot.velodyne_data[-1], robot.canproxy.wheel_angle_raw, robot.canproxy.desired_wheel_angle_raw)) prev_gps = robot.gps_data dist, dist_index = None, None if robot.velodyne_data is not None: if len(robot.velodyne_data) == 2: index, dist = robot.velodyne_data else: index, dist, dist_index = robot.velodyne_data if dist is not None: dist = min(dist) # currently supported tupple of readings if dist_index is not None: target_index, target_dist = dist_index robot.canproxy.set_turn_raw(int((-100/45.)*target_index)) target_detected = target_dist < TARGET_DISTANCE else: dist_index = False if moving: if dist is None or dist < SAFE_DISTANCE_STOP or not target_detected: print("!!! STOP !!! -", robot.velodyne_data) robot.canproxy.stop() moving = False else: # not moving if dist is not None and dist > SAFE_DISTANCE_GO: print("GO", target_detected, robot.velodyne_data) if target_detected: robot.canproxy.go_slowly() moving = True if not robot.buttonGo: print("STOP!") break robot.canproxy.stop_turn() center(robot) robot.velodyne.requestStop() robot.gps.requestStop()
def demo(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name, timestamps_log=open(metalog.getLog('timestamps'), 'w')) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO for sensor_name in ['gps', 'laser', 'camera']: attach_sensor(robot, sensor_name, metalog) print("Wait for gas") while robot.canproxy.gas is None: robot.update() print("Wait for center") robot.canproxy.stop() # not available now :( ... wait_for_start(robot) moving = False robot.desired_speed = 0.5 start_time = robot.time prev_gps = robot.gps_data prev_destination_dist = None last_laser_update = None prev_laser = None while robot.time - start_time < 3*60: # 3min robot.update() dist = None turn_angle = None if robot.laser_data is not None: assert len(robot.laser_data) == 541, len(robot.laser_data) if robot.laser_data != prev_laser: prev_laser = robot.laser_data last_laser_update = robot.time distL, distR = min_dist_arr(robot.laser_data[200:-200]) distL = 20.0 if distL is None else distL distR = 20.0 if distR is None else distR dist = min(distL, distR) turn_angle = follow_wall_angle(robot.laser_data, radius=1.5) if last_laser_update is not None and robot.time - last_laser_update > 0.3: print("!!!WARNING!!! Missing laser updates for last {:.1f}s".format(robot.time - last_laser_update)) dist = None # no longer valid distance measurements if robot.gps_data != prev_gps: if turn_angle is not None: print(robot.time, robot.canproxy.gas, "(%.3f, %.3f)" % (distL, distR), math.degrees(turn_angle)) else: print(robot.time, robot.canproxy.gas, "(%.3f, %.3f)" % (distL, distR), turn_angle) prev_gps = robot.gps_data if moving: if dist is None or dist < SAFE_DISTANCE_STOP: print("!!! STOP !!!", dist, (distL, distR)) robot.canproxy.stop() moving = False else: # not moving if dist is not None and dist > SAFE_DISTANCE_GO: print("GO", dist) robot.set_desired_speed(DESIRED_SPEED) moving = True if turn_angle is not None: turn_cmd = max(-120, min(120, 2*math.degrees(turn_angle))) robot.canproxy.set_turn_raw(turn_cmd) # print turn_cmd # if not robot.buttonGo: # print "STOP!" # break robot.canproxy.stop_turn() robot.canproxy.stop() for i in range(20): robot.update() detach_all_sensors(robot)
class JohnDeere(object): UPDATE_TIME_FREQUENCY = 5.0 #20.0 # Hz def __init__(self, can=None): if can is None: self.can = CAN() self.can.resetModules() else: self.can = can self.canproxy = CANProxy(self.can) self.time = 0.0 self.buttonGo = None # TODO currently not available (!) self.desired_speed = 0.0 self.drop_ball = False # TODO move to ro.py only self.extensions = [] self.data_sources = [] self.modulesForRestart = [] self.can.sendOperationMode() def __del__(self): self.can.sendPreoperationMode() # TODO to move out, can.py?? def check_modules(self, packet): # test if all modules are in Operation mode, if not restart them id, data = packet if id & 0xFF0 == 0x700: # heart beat message moduleId = id & 0xF assert( len(data) == 1 ) if data[0] != 5: self.can.printPacket( id, data ) if not moduleId in self.modulesForRestart: self.modulesForRestart.append( moduleId ) print "RESET", moduleId self.can.sendData( 0, [129,moduleId] ) # if moduleId in [0x01, 0x02]: # if (0x180 | moduleId) in self.encData: # # The encoder information is invalid during a reset # del self.encData[0x180 | moduleId] elif data[0] == 127: # restarted and in preoperation print "SWITCH TO OPERATION", moduleId self.can.sendData( 0, [1,moduleId] ) elif moduleId in self.modulesForRestart: print "RUNNING", moduleId self.modulesForRestart.remove(moduleId) def register_data_source(self, name, function, extension=None): self.data_sources.append((name, function)) if extension is not None: self.extensions.append((name, extension)) def send_ball_dispenser(self): if self.drop_ball: cmd = 127 else: cmd = 128 self.can.sendData(0x37F, [0, cmd, 0, 0, 0, 0, 0, 0]) def wait(self, duration): start_time = self.time while self.time - start_time < duration: self.update() def update(self): while True: packet = self.can.readPacket() self.canproxy.update(packet) # self.update_emergency_stop(packet) self.check_modules(packet) for (name,e) in self.extensions: e(self, packet[0], packet[1]) # make sure that all updates get also termination SYNC (0x80) if packet[0] == 0x80: break # send data related to other sources for (id,fce) in self.data_sources: data = fce() if data != None: for (name,e) in self.extensions: e(self, id, data) self.time += 1.0/self.UPDATE_TIME_FREQUENCY self.canproxy.set_time(self.time) self.canproxy.send_speed() self.send_ball_dispenser() def stop(self): "send stop command and make sure robot really stops" self.desired_speed = 0.0 self.canproxy.stop() for i in xrange(10): self.update()
def demo(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name, timestamps_log=open(metalog.getLog('timestamps'), 'w')) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO for sensor_name in ['gps', 'laser', 'camera']: attach_sensor(robot, sensor_name, metalog) print "Wait for gas" while robot.canproxy.gas is None: robot.update() print "Wait for center" robot.canproxy.stop() # not available now :( ... wait_for_start(robot) moving = False robot.desired_speed = 0.5 start_time = robot.time prev_gps = robot.gps_data prev_destination_dist = None last_laser_update = None prev_laser = None while robot.time - start_time < 3 * 60: # 3min robot.update() dist = None turn_angle = None if robot.laser_data is not None: assert len(robot.laser_data) == 541, len(robot.laser_data) if robot.laser_data != prev_laser: prev_laser = robot.laser_data last_laser_update = robot.time distL, distR = min_dist_arr(robot.laser_data[200:-200]) distL = 20.0 if distL is None else distL distR = 20.0 if distR is None else distR dist = min(distL, distR) turn_angle = follow_wall_angle(robot.laser_data, radius=1.5) if last_laser_update is not None and robot.time - last_laser_update > 0.3: print "!!!WARNING!!! Missing laser updates for last {:.1f}s".format( robot.time - last_laser_update) dist = None # no longer valid distance measurements if robot.gps_data != prev_gps: if turn_angle is not None: print robot.time, robot.canproxy.gas, "(%.3f, %.3f)" % ( distL, distR), math.degrees(turn_angle) else: print robot.time, robot.canproxy.gas, "(%.3f, %.3f)" % ( distL, distR), turn_angle prev_gps = robot.gps_data if moving: if dist is None or dist < SAFE_DISTANCE_STOP: print "!!! STOP !!!", dist, (distL, distR) robot.canproxy.stop() moving = False else: # not moving if dist is not None and dist > SAFE_DISTANCE_GO: print "GO", dist robot.set_desired_speed(DESIRED_SPEED) moving = True if turn_angle is not None: turn_cmd = max(-120, min(120, 2 * math.degrees(turn_angle))) robot.canproxy.set_turn_raw(turn_cmd) # print turn_cmd # if not robot.buttonGo: # print "STOP!" # break robot.canproxy.stop_turn() robot.canproxy.stop() for i in xrange(20): robot.update() detach_all_sensors(robot)
def drive_remotely(metalog): assert metalog is not None can_log_name = metalog.getLog('can') if metalog.replay: if metalog.areAssertsEnabled(): can = CAN(ReplayLog(can_log_name), skipInit=True) else: can = CAN(ReplayLogInputsOnly(can_log_name), skipInit=True) else: can = CAN() can.relog(can_log_name) can.resetModules(configFn=setup_faster_update) robot = JohnDeere(can=can) robot.UPDATE_TIME_FREQUENCY = 20.0 # TODO change internal and integrate setup robot.localization = None # TODO soc = metalog.createLoggedSocket('remote', headerFormat=None) # TODO fix headerFormat soc.bind( ('',PORT) ) if not metalog.replay: soc.soc.setblocking(0) soc.soc.settimeout( SOCKET_TIMEOUT ) remote_cmd_log_name = metalog.getLog('remote_cmd') if metalog.replay: robot.remote = DummySensor() function = SourceLogger(None, remote_cmd_log_name).get else: robot.remote = RemoteThread(soc) function = SourceLogger(robot.remote.get_data, remote_cmd_log_name).get max_speed = None robot.remote_data = None robot.register_data_source('remote', function, remote_data_extension) robot.remote.start() robot.canproxy.stop() robot.canproxy.set_turn_raw(0) print "Waiting for remote commands ..." while robot.remote_data is None: robot.update() print "received", robot.remote_data.strip() moving = False turning = False while robot.remote_data != 'END\n': robot.update() if robot.remote_data == 'STOP\n' and (moving or turning): if moving: robot.canproxy.stop() print "STOP" moving = False if turning: robot.canproxy.stop_turn() print "STOP turn" turning = False elif robot.remote_data == 'UP\n' and not moving: if max_speed is None: robot.canproxy.go() print "GO" else: robot.set_desired_speed(max_speed) print "GO", max_speed moving = True elif robot.remote_data == 'DOWN\n' and not moving: if max_speed is None: robot.canproxy.go_back() print "GO back" else: robot.set_desired_speed(-max_speed) print "GO back", max_speed moving = True elif robot.remote_data == 'LEFT\n': robot.canproxy.set_turn_raw(200) print "Left" turning = True elif robot.remote_data == 'RIGHT\n': robot.canproxy.set_turn_raw(-200) print "Right" turning = True elif robot.remote_data == 'SPEED0\n': max_speed = None elif robot.remote_data.startswith('SPEED'): max_speed = int(robot.remote_data[len('SPEED'):])/10.0 print "Max Speed", max_speed print "received", robot.remote_data.strip() robot.canproxy.stop_turn() robot.remote.requestStop() robot.wait(3.0)
class JohnDeere(object): UPDATE_TIME_FREQUENCY = 5.0 #20.0 # Hz def __init__(self, can=None, localization=None, config=None): if can is None: self.can = CAN() self.can.resetModules() else: self.can = can self.canproxy = CANProxy(self.can) self.localization = localization if config is not None: global TURN_ANGLE_OFFSET TURN_ANGLE_OFFSET = config.get('TURN_ANGLE_OFFSET', TURN_ANGLE_OFFSET) self.time = 0.0 self.buttonGo = None # TODO currently not available (!) self.drop_ball = False # TODO move to ro.py only self.extensions = [] self.data_sources = [] self.threads = [] self.modulesForRestart = [] self.can.sendOperationMode() def __del__(self): self.can.sendPreoperationMode() # TODO to move out, can.py?? def check_modules(self, packet): # test if all modules are in Operation mode, if not restart them id, data = packet if id & 0xFF0 == 0x700: # heart beat message moduleId = id & 0xF assert( len(data) == 1 ) if data[0] != 5: self.can.printPacket( id, data ) if not moduleId in self.modulesForRestart: self.modulesForRestart.append( moduleId ) print("RESET", moduleId) self.can.sendData( 0, [129,moduleId] ) # if moduleId in [0x01, 0x02]: # if (0x180 | moduleId) in self.encData: # # The encoder information is invalid during a reset # del self.encData[0x180 | moduleId] elif data[0] == 127: # restarted and in preoperation print("SWITCH TO OPERATION", moduleId) self.can.sendData( 0, [1,moduleId] ) elif moduleId in self.modulesForRestart: print("RUNNING", moduleId) self.modulesForRestart.remove(moduleId) def register_data_source(self, name, function, extension=None): self.data_sources.append((name, function)) if extension is not None: self.extensions.append((name, extension)) def send_ball_dispenser(self): if self.drop_ball: cmd = 127 else: cmd = 128 self.can.sendData(0x37F, [0, cmd, 0, 0, 0, 0, 0, 0]) def wait(self, duration): start_time = self.time while self.time - start_time < duration: self.update() def update(self): prev_enc = self.canproxy.dist_left_raw, self.canproxy.dist_right_raw while True: packet = self.can.readPacket() self.canproxy.update(packet) # self.update_emergency_stop(packet) self.check_modules(packet) for (name,e) in self.extensions: e(self, packet[0], packet[1]) # make sure that all updates get also termination SYNC (0x80) if packet[0] == 0x80: break if (self.localization is not None and prev_enc[0] is not None and prev_enc[1] is not None and self.canproxy.wheel_angle_raw is not None): dist_left = ENC_SCALE * (self.canproxy.dist_left_raw - prev_enc[0]) dist_right = ENC_SCALE * (self.canproxy.dist_right_raw - prev_enc[1]) angle_left = self.canproxy.wheel_angle_raw * TURN_SCALE + TURN_ANGLE_OFFSET self.localization.update_odometry(angle_left, dist_left, dist_right) # send data related to other sources for (id,fce) in self.data_sources: data = fce() if data != None: for (name,e) in self.extensions: e(self, id, data) self.time += 1.0/self.UPDATE_TIME_FREQUENCY self.canproxy.set_time(self.time) self.canproxy.send_speed() self.canproxy.send_LEDs() self.send_ball_dispenser() def set_desired_speed(self, speed): """set desired speed in meters per second. speed = None ... disable speed control ... can be called in every cycle without side-effects """ self.canproxy.set_desired_speed_raw(int(speed/ENC_SCALE)) def set_desired_steering(self, angle): """set desired steering angle of left wheel""" # angle = sensors['steering'] * TURN_SCALE + TURN_ANGLE_OFFSET # radians raw = (angle - TURN_ANGLE_OFFSET)/TURN_SCALE self.canproxy.set_turn_raw(int(raw)) def stop(self): "send stop command and make sure robot really stops" self.canproxy.stop() for i in range(10): self.update()
class JohnDeere(object): UPDATE_TIME_FREQUENCY = 5.0 #20.0 # Hz def __init__(self, can=None, localization=None, config=None): if can is None: self.can = CAN() self.can.resetModules() else: self.can = can self.canproxy = CANProxy(self.can) self.localization = localization if config is not None: global TURN_ANGLE_OFFSET TURN_ANGLE_OFFSET = config.get('TURN_ANGLE_OFFSET', TURN_ANGLE_OFFSET) self.time = 0.0 self.buttonGo = None # TODO currently not available (!) self.drop_ball = False # TODO move to ro.py only self.extensions = [] self.data_sources = [] self.threads = [] self.modulesForRestart = [] self.can.sendOperationMode() def __del__(self): self.can.sendPreoperationMode() # TODO to move out, can.py?? def check_modules(self, packet): # test if all modules are in Operation mode, if not restart them id, data = packet if id & 0xFF0 == 0x700: # heart beat message moduleId = id & 0xF assert( len(data) == 1 ) if data[0] != 5: self.can.printPacket( id, data ) if not moduleId in self.modulesForRestart: self.modulesForRestart.append( moduleId ) print "RESET", moduleId self.can.sendData( 0, [129,moduleId] ) # if moduleId in [0x01, 0x02]: # if (0x180 | moduleId) in self.encData: # # The encoder information is invalid during a reset # del self.encData[0x180 | moduleId] elif data[0] == 127: # restarted and in preoperation print "SWITCH TO OPERATION", moduleId self.can.sendData( 0, [1,moduleId] ) elif moduleId in self.modulesForRestart: print "RUNNING", moduleId self.modulesForRestart.remove(moduleId) def register_data_source(self, name, function, extension=None): self.data_sources.append((name, function)) if extension is not None: self.extensions.append((name, extension)) def send_ball_dispenser(self): if self.drop_ball: cmd = 127 else: cmd = 128 self.can.sendData(0x37F, [0, cmd, 0, 0, 0, 0, 0, 0]) def wait(self, duration): start_time = self.time while self.time - start_time < duration: self.update() def update(self): prev_enc = self.canproxy.dist_left_raw, self.canproxy.dist_right_raw while True: packet = self.can.readPacket() self.canproxy.update(packet) # self.update_emergency_stop(packet) self.check_modules(packet) for (name,e) in self.extensions: e(self, packet[0], packet[1]) # make sure that all updates get also termination SYNC (0x80) if packet[0] == 0x80: break if (self.localization is not None and prev_enc[0] is not None and prev_enc[1] is not None and self.canproxy.wheel_angle_raw is not None): dist_left = ENC_SCALE * (self.canproxy.dist_left_raw - prev_enc[0]) dist_right = ENC_SCALE * (self.canproxy.dist_right_raw - prev_enc[1]) angle_left = self.canproxy.wheel_angle_raw * TURN_SCALE + TURN_ANGLE_OFFSET self.localization.update_odometry(angle_left, dist_left, dist_right) # send data related to other sources for (id,fce) in self.data_sources: data = fce() if data != None: for (name,e) in self.extensions: e(self, id, data) self.time += 1.0/self.UPDATE_TIME_FREQUENCY self.canproxy.set_time(self.time) self.canproxy.send_speed() self.canproxy.send_LEDs() self.send_ball_dispenser() def set_desired_speed(self, speed): """set desired speed in meters per second. speed = None ... disable speed control ... can be called in every cycle without side-effects """ self.canproxy.set_desired_speed_raw(int(speed/ENC_SCALE)) def set_desired_steering(self, angle): """set desired steering angle of left wheel""" # angle = sensors['steering'] * TURN_SCALE + TURN_ANGLE_OFFSET # radians raw = (angle - TURN_ANGLE_OFFSET)/TURN_SCALE self.canproxy.set_turn_raw(int(raw)) def stop(self): "send stop command and make sure robot really stops" self.canproxy.stop() for i in xrange(10): self.update()