Ejemplo n.º 1
0
def main():

    turtle = Turtlebot(pc=True, depth=True)
    K = turtle.get_depth_K()

    #Init map
    init_map()

    while not turtle.is_shutting_down():

        # Process depth image to pointcloud
        depth = turtle.get_depth_image()
        if depth is None:
            print("Depth image is None")
            continue

        # Pointcloud
        pcl = image2cloud(depth, K, True)
        fit_pointcloud(pcl)

        move = True
        turtle.reset_odometry()

        move.rotate(turtle, 3.14, verbose=True)

        move.translate(turtle, 2, verbose=True)

        print("Back in main")

        break
Ejemplo n.º 2
0
def orientation(bearing):
    curr_b = location.bearing()
    diff = angle_diff(bearing, curr_b)

    while not rotate_arrived(bearing):
        move.rotate(rotate_speed(bearing))

    move.drive(0)
Ejemplo n.º 3
0
    		ang += 90

    	halfway = 320 # Basically the width by half
    	error = int(x_min - halfway)
    	ang = int(ang)
    	box = cv2.boxPoints(red_box)
    	box = np.int0(box)

    	cv2.drawContours(crop_img, [box], 0, (0,255,0), 3)
    	cv2.putText(crop_img,str(ang), (10,40), cv2.FONT_HERSHEY_SIMPLEX,1, (0,0,255), 2)
    	cv2.putText(crop_img,str(error), (10,320), cv2.FONT_HERSHEY_SIMPLEX,1, (255,0,0), 2)
    	cv2.line(crop_img, (int(x_min), int(y_min)), (halfway, int(y_min)), (255,0,0), 3)
    	Rad_Angle = math.radians(ang)
<<<<<<< HEAD
    	error_angle = math.radians(error/4)
    	move.rotate(dxl_io,1000, dt*Rad_Angle)
    	Correction(dxl_io, dt*error_angle)
    	time.sleep(dt)
=======
		err = math.radians(error/4)
        rotate(dxl_io, 300,dt*err + dt*Rad_Angle)
        time.sleep(dt)
>>>>>>> ce5c36cad41c5be65dfc3544a01fe047bc8741a7
    	print(error, ang)
    else:
    	print("I don't see a line")
    	Look_for_line(dxl_io)
    	time.sleep(dt)
    #Display the resulting frame
    #cv2.imshow('frame',crop_img)
    if cv2.waitKey(20) & 0xFF == ord('k'):
Ejemplo n.º 4
0
def carre(motors, t):
    mod = np.fmod(t, 2)
    if mod < 1:
        return move.rotate(motors, 0.1, 0)
    else:
        return move.rotate(motors, 0, np.pi / 8)
Ejemplo n.º 5
0
            if sum(means) > 5:
                if K_index == 2:
                    sign = 1 if max_index == 0 else -1
                    linear_speed = speed[K_index]
                    angular_speed = sign * K[K_index]
                    print("We're in borders\t", linear_speed, angular_speed)

                elif K_index == 1:
                    err = (2 - max_index) * (means[max_index] - means[2])
                    linear_speed = speed[K_index]
                    angular_speed = K[K_index] * err
                    print("We're in bands\t", linear_speed, angular_speed)

                else:
                    err = means[1] - means[3]
                    linear_speed = speed[K_index]
                    angular_speed = K[K_index] * err
                    print("We're in centre\t", linear_speed, angular_speed)
            move.rotate(dxl_io, linear_speed, angular_speed)

        if mean_green > 70 and t > dt * 10:
            color += 1
            move.rotate(dxl_io, 0.2, 0)

        t += dt

    # Coupe le moteur
    move.rotate(dxl_io, 0, 0)
    #time.sleep(dt)
    #t += dt
def move_asynch(chosen_path, state):
    global DUMPED, NEXT_NODE
    instruction = None
    # Calling stop on this thread throws ThreadKiller at the current point of
    # execution, wrapping all of the logic in a try catch allows for cleanup and
    # prevents the stack trace.
    try:
        while True:
            # Get the next instruction
            instruction = chosen_path.pop(0)
            success = True

            # Dispatch to the relavent functions depending on the command
            if isinstance(instruction, Move):
                #print("moving")
                success = forward(instruction.dist, tolerance = instruction.tolerance)

            elif isinstance(instruction, Dump):
                # Communication between the two bricks was turned off during
                # profiling
                if not PROFILING:
                    # Instruct the second brick to dump
                    CLIENT.publish("dump", json.dumps(instruction.slots))
                    # Spin until it replies
                    while True:
                        with dumped_lock:
                            if DUMPED:
                                DUMPED = False
                                break

            elif isinstance(instruction, Rotate):
                #print("rotating")
                # The route planner always generates instructions telling the
                # robot to turn right, this adapts to turn left when that is
                # more efficient
                if instruction.angle <= 180:
                    direction = Directions.ROT_RIGHT
                    angle = instruction.angle
                else:
                    direction = Directions.ROT_LEFT
                    angle = instruction.angle - 180
                success = rotate(angle, tolerance = instruction.tolerance, direction = direction)

            elif isinstance(instruction, ToDesk):
                #print("approaching desk")
                angle = instruction.angle
                if instruction.is_left:
                    direction = Directions.ROT_LEFT
                else:
                    direction = Directions.ROT_RIGHT
                # This function unconditionally turns 90 degrees and so can't
                # fail
                approach(angle=angle, direction=direction)

            elif isinstance(instruction, FromDesk):
                #print("leaving desk")
                angle = instruction.angle
                if instruction.is_left:
                    direction = Directions.ROT_LEFT
                else:
                    direction = Directions.ROT_RIGHT
                # On the way back however it searches for a line so can
                success = approach(angle=angle, tolerance=instruction.tolerance, direction=direction, reverse=True)

            elif isinstance(instruction, Report):
                #print("reporting")
                CLIENT.publish("location_info", payload=instruction.where)

            # If an instruction failed panic
            if not success:
                #print("panicking")
                STATE_QUEUE.put(T_PANICKING)
                break

            # If we ran out of instructions without panicking make a transition
            # depending on what state we are currently in
            if len(chosen_path) == 0:
                if state == State.DELIVERING:
                    #print("Returning")
                    STATE_QUEUE.put(T_RETURNING)
                    #print(STATE_QUEUE)
                    break
                elif state == State.RETURNING:
                    #print("Loading")
                    STATE_QUEUE.put(T_LOADING)
                    break

        # Last reported location for return
        with next_node_lock:
            if isinstance(instruction, Report):
                NEXT_NODE = instruction.where
        #print(NEXT_NODE)
        # TODO right now the code spins here forever after executing the movement
        # commands - does not need to
        while True:
            pass

    except ThreadKiller as e:
        # There is a certain amount of unreliability in the method used to kill
        # threads (See thread_decorator.py) so the code keeps sending exceptions
        # until the thread dies or calls acknowledge. After a call to
        # acklowledge the thread is allowed as much time as it needs to cleanup.
        acknowledge(e)
        stop_motors()

        final = []

        # Resolve the various instructions where we could have been interupted
        if isinstance(instruction, Move):
            # Inside move figure out how far we still need to go and store that
            # for next time. (If it is too small search for the junction
            # anywhere between 0 and 20)
            dist = instruction.dist - get_odometry()
            if dist <= 20:
                final = [Move(20, 100)]
            else:
                final = [Move(dist, 50)]
            # If there is a rotate next also take that
            if chosen_path and isinstance(chosen_path[0], Rotate):
                final.append(chosen_path.pop(0))

        elif isinstance(instruction, Dump):
            # If it's a dump assume we've managed to send the message (It's
            # highly unlikley we will be interupted exactly between poping a
            # Dump and sending the message). Wait for the confirmation before
            # finishing
            while True:
                with dumped_lock:
                    if DUMPED:
                        DUMPED = False
                        break

        elif isinstance(instruction, Rotate):
            # Rotate follows the same theory as move while also dealing with
            # whether we were turning left or right
            if instruction.angle <= 180:
                angle = instruction.angle - get_odometry(rotating=True)
                if angle <= 20:
                    final = [Rotate(20, 100)]
                else:
                    final = [Rotate(angle, 50)]
            else:
                angle = instruction.angle + get_odometry(rotating=True)
                if angle >= 340:
                    final = [Rotate(340, 100)]
                else:
                    final = [Rotate(angle, 50)]

        elif isinstance(instruction, FromDesk):
            # Same as move and rotate
            final = [FromDesk(instruction.is_left, instruction.angle - get_odometry(rotating=True), 50)]

        elif isinstance(instruction, ToDesk):
            # Here also dispense the letter given we are at a desk
            final = [ToDesk(instruction.is_left, instruction.angle - get_odometry(rotating=True)),
                     chosen_path.pop(0), chosen_path.pop(0)] # atm it dispenses the letter even after recall

        # Save the generated command
        with final_cmd_lock:
            global FINAL_CMD
            FINAL_CMD = final

        # Save the current path (Will be used for resume)
        with chosen_path_lock:
            global CHOSEN_PATH
            CHOSEN_PATH = chosen_path

        # Store the node we are going to reach next (Will be used for callback)
        with next_node_lock:
            for instructione in chosen_path:
                if isinstance(instructione, Report):
                    NEXT_NODE = instructione.where
                    break

        sys.exit()
Ejemplo n.º 7
0
    means = []
    max = 0
    max_index = 0
    for i in range(len(lines)-1):
        bands.append(red_line[0:180, lines[i]:lines[i+1]])
        means.append(np.mean(bands[i]))
        if max < means[i]:
            max = means[i]
            max_index = i

    K = [0.001, 0.01, 0.001]
    speed = [0.2, 0.15, 0.05]
    K_index = np.abs(max_index-2)
    
    if sum(means) < 5:
        move.rotate(dxl_io,-0.05,0)
    elif K_index == 2:
        move.rotate(dxl_io,speed[K_index],K[K_index]*means[max_index])
        print("we're in borders")
    else:
        err = means[max_index-1] - means[max_index+1]
        move.rotate(dxl_io,speed[K_index],K[K_index]*err) 
        print("Land ahoy!")

   	#print(err)
   #elif left_mean > 5*center_mean:
   # 	move.rotate(dxl_io, 0.1, err)
   # 	print("left")
   # elif right_mean > 5*center_mean:
   # 	move.rotate(dxl_io, 0.1, err)
   # 	print("right")