Exemplo n.º 1
0
def node():
    global serial

    serial = CommsSerial("/dev/ttyUSB0", 115200)

    rospy.Subscriber("grin_command", GrinSyncCommand, grin_command_callback)
    rospy.Subscriber("servo_command", ServoCommand, servo_command_callback)



    pub = rospy.Publisher('grin_status', GrinStatus)
    rospy.init_node('grin_bridge')

    while not rospy.is_shutdown():

        data = serial.send_recv(GRIN.MSRSTATUS,None,152)

        unpacked = struct.unpack("IIHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH", data)

        extract_servo( unpacked, 0 )

        grin = GrinStatus()
        grin.rear_left.servo_alpha = extract_servo( unpacked, 3 )
        grin.rear_left.servo_beta = extract_servo( unpacked, 2 )
        grin.rear_left.servo_charli = extract_servo( unpacked, 1 )

        grin.mid_left.servo_alpha = extract_servo( unpacked, 7 )
        grin.mid_left.servo_beta = extract_servo( unpacked, 6 )
        grin.mid_left.servo_charli = extract_servo( unpacked, 5 )

        grin.front_left.servo_alpha = extract_servo( unpacked, 11 )
        grin.front_left.servo_beta = extract_servo( unpacked, 10 )
        grin.front_left.servo_charli = extract_servo( unpacked, 9 )


        grin.front_right.servo_alpha = extract_servo( unpacked, 12 )
        grin.front_right.servo_beta = extract_servo( unpacked, 13 )
        grin.front_right.servo_charli = extract_servo( unpacked, 14 )

        grin.mid_right.servo_alpha = extract_servo( unpacked, 16 )
        grin.mid_right.servo_beta = extract_servo( unpacked, 17 )
        grin.mid_right.servo_charli = extract_servo( unpacked, 18 )

        grin.rear_right.servo_alpha = extract_servo( unpacked, 20 )
        grin.rear_right.servo_beta = extract_servo( unpacked, 21 )
        grin.rear_right.servo_charli = extract_servo( unpacked, 22 )



        #rospy.loginfo(grin)
        print 'Sending ms on topic: "grin_status"...'
        pub.publish(grin)

        rospy.sleep(1.0)
Exemplo n.º 2
0
def test_manual():

    ser = CommsSerial("/dev/ttyUSB0",115200)

    while True:
        msg = struct.pack("HHHH", 1400,1400,1000,1000 )
        ser.send_recv( 0x0002, msg, 0 )
        time.sleep(0.25)

        msg = struct.pack("HHHH", 1600,1600,2000,2000 )
        ser.send_recv( 0x0002, msg, 0 )
        time.sleep(0.25)
Exemplo n.º 3
0
def node():

    if len(sys.argv) < 2:
        usage()
        print 'ERROR: Not enough parameters'
        exit(1)

    port_name = sys.argv[1]

    print 'Starting XBee node:'
    print 'Subscribing:'
    print '   <none>'
    print 'Publishing:'
    print '   joy_status'

    pub_joy_status = rospy.Publisher('joy_status', JoyStatus)

    rospy.init_node('hex_xbee')

    print 'Initializing serial connection on', port_name
    ser = CommsSerial(port_name,115200)

    while not rospy.is_shutdown():

        message = ser.recv()

        msg_fields = struct.unpack('fffff??????????',message[2:])

        js = JoyStatus()



        js.left_x = msg_fields[0]
        js.left_y = msg_fields[1]
        js.right_x = msg_fields[2]
        js.right_y = msg_fields[3]
        js.throttle = msg_fields[4]
        

        js.button_0 = msg_fields[5]
        js.button_1 = msg_fields[6]
        js.button_2 = msg_fields[7]
        js.button_3 = msg_fields[8]
        js.button_4 = msg_fields[9]
        js.button_5 = msg_fields[10]
        js.button_6 = msg_fields[11]
        js.button_7 = msg_fields[12]
        js.button_8 = msg_fields[13]
        js.button_9 = msg_fields[14]


        pub_joy_status.publish(js)

        #rospy.sleep(0.25)



        print 'Message (HEX):  ',
        for d in message:
            print hex(ord(d)),
        print ''
Exemplo n.º 4
0
def node():
    global JOY_TIME_RECV, JOY_STATUS

    if len(sys.argv) == 1:
        print usage()
        exit(1)

    elif len(sys.argv) == 2:
        # Do nothing, execute normally
        pass 
    elif len(sys.argv) == 3:
        if sys.argv[1] != 'test':
            print usage()
            print 'ERROR: Unrecognized parameters'
            exit(1)
        if sys.argv[2] == 'neutral':
            test_neutral()
        elif sys.argv[2] == 'manual':
            test_manual()
        else:
            usage()
            print 'ERROR:'
    else:
        print usage()
        print 'ERROR: Unrecognized parameters'
        exit(1)

    port_name = sys.argv[1]

    print 'Starting ArduPilot node:'
    print 'Subscribing:'
    print '   joy_status'
    print 'Publishing:'
    print '   <none>'

    rospy.Subscriber("joy_status", JoyStatus, joy_status_callback)

    rospy.init_node('hex_ardupilot')

    print 'Initializing serial connection on', port_name
    ser = CommsSerial(port_name,115200)

    # Sending serial data to arduino too early will trigger bootloader
    # So we sleep to let arduino boot up correctly
    rospy.sleep(1)

    while not rospy.is_shutdown():
        if JOY_STATUS != None:
            js = JOY_STATUS
            JOY_STATUS = None


            raw_left = js.left_y + js.left_x
            raw_right = js.left_y - js.left_x

            if raw_left >  1.0: raw_left =  1.0
            if raw_left < -1.0: raw_left = -1.0
            if raw_right >  1.0: raw_right =  1.0
            if raw_right < -1.0: raw_right = -1.0

            track_left = int(raw_left * 500 + 1500)
            track_right = int(raw_right * 500 + 1500)
            servo_turrent_yaw = int(js.right_x * 500 + 1500)
            print 'js.right_x:', js.right_x, 'sty:', servo_turrent_yaw
            print 'track_left:', raw_left
            print 'track_right:', raw_right


            msg = struct.pack("HHHH", 
                              track_left,
                              track_right,
                              servo_turrent_yaw,
                              1500)
            ser.send_recv( 0x0002, msg, 0 )                


        rospy.sleep(0.01)
Exemplo n.º 5
0
def main():

    if len(sys.argv) < 2:
        usage()
        print "ERROR: not enough paramters"
        exit(1)

    port_name = sys.argv[1]

    #
    #   Initialize serial connection
    #
    print "Initializing serial connection on", port_name
    ser = CommsSerial(port_name, 115200)

    hex = Hex(color.white, 0.8)
    hex.set_raw(
        1500,
        1500,
        1500,  # leg rear left
        1500,
        1500,
        1500,  # leg middle left
        2000,
        2000,
        2000,  # leg front left
        2000,
        2000,
        2000,  # leg front right
        1500,
        1500,
        1500,  # leg middle right
        1500,
        1500,
        1500,
    )  # leg rear right
    hex.frame.pos = (0, 120, 0)

    draw_grid()

    while True:
        rate(100)
        hex.set_raw(
            1500,
            1500,
            1500,  # leg rear left
            1500,
            1500,
            1500,  # leg middle left
            2000,
            2000,
            2000,  # leg front left
            2000,
            2000,
            2000,  # leg front right
            1500,
            1500,
            1500,  # leg middle right
            1500,
            1500,
            1500,
        )  # leg rear right

    b = time.time()

    print "Sengin msg"
    ser.ser.flushInput()
    ser.send(0x0002, None)
    message = ser.recv_timeout(0.5)

    for m in message:
        print hex(ord(m)), " ",
    print ""
def main():

    if len(sys.argv) < 2:
        usage()
        print 'ERROR: not enough paramters'
        exit(1)

    port_name = sys.argv[1]

    #
    #   Initialize serial connection
    #
    print 'Initializing serial connection on', port_name
    ser = CommsSerial(port_name, 115200)

    #
    #   Initialize PyGame
    #
    pygame.init()

    screen = pygame.display.set_mode((640,480))

    is_up = False
    is_down = False
    is_left = False
    is_right = False

    running = True
    while(running):

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                running = False
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_UP:
                    is_up = True
                if event.key == pygame.K_DOWN:
                    is_down = True
                if event.key == pygame.K_LEFT:
                    is_left = True
                if event.key == pygame.K_RIGHT:
                    is_right = True
            if event.type == pygame.KEYUP:
                if event.key == pygame.K_UP:
                    is_up = False
                if event.key == pygame.K_DOWN:
                    is_down = False
                if event.key == pygame.K_LEFT:
                    is_left = False
                if event.key == pygame.K_RIGHT:
                    is_right = False

        print 'is_up: ', is_up
        print 'is_down: ', is_down

        left_x = 0
        left_y = 0
        right_x = 0
        right_y = 0
        throttle = 0

        if is_up: left_y -= 1.0
        if is_down: left_y += 1.0
        if is_left: left_x -= 1.0
        if is_right: left_x += 1.0

        button_0 = False
        button_1 = False
        button_2 = False
        button_3 = False
        button_4 = False
        button_5 = False
        button_6 = False
        button_7 = False
        button_8 = False
        button_9 = False


        print 'type: ', type(button_0)

        msb = struct.pack('fffff??????????', left_x, left_y, 
                          right_x, right_y, throttle,
                          button_0, button_1, button_2,
                          button_3, button_4, button_5,
                          button_6, button_7, button_8,
                          button_9 )

        print 'Sending: '
        for m in msb:
            print hex(ord(m)),
        print ""
        ser.send( 0x0002, msb )

        screen.fill( (0, 0, 0) )
        pygame.draw.circle( screen, (255,0,0), (50,50), 10 )
        pygame.display.flip()

        time.sleep(0.25)
Exemplo n.º 7
0
def main():

    if len(sys.argv) < 2:
        usage()
        print 'ERROR: not enough paramters'
        exit(1)

    port_name = sys.argv[1]

    #
    #   Initialize serial connection
    #
    print 'Initializing serial connection on', port_name
    ser = CommsSerial(port_name, 115200)

    #
    #   Initialize joystick
    #
    joy = initialize_pygame_joystick()
    if joy == None:
        print 'ERROR: No joystick found'
        exit(1)


    running = True
    while(running):

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                running = False
                
        left_x = joy.get_axis(0)
        left_y = -joy.get_axis(1)
        right_x = joy.get_axis(3)
        right_y = -joy.get_axis(2)
        throttle = joy.get_axis(4)

        button_0 = joy.get_button(0)
        button_1 = joy.get_button(1)
        button_2 = joy.get_button(2)
        button_3 = joy.get_button(3)
        button_4 = joy.get_button(4)
        button_5 = joy.get_button(5)
        button_6 = joy.get_button(6)
        button_7 = joy.get_button(7)
        button_8 = joy.get_button(8)
        button_9 = joy.get_button(9)


        print 'type: ', type(button_0)

        msb = struct.pack('fffff??????????', left_x, left_y, 
                          right_x, right_y, throttle,
                          button_0, button_1, button_2,
                          button_3, button_4, button_5,
                          button_6, button_7, button_8,
                          button_9 )

        print 'Sending: '
        for m in msb:
            print hex(ord(m)),
        print ""
        ser.send( 0x0002, msb )

        time.sleep(0.25)