def main():
"""Parses command line arguments and runs the interactive controller."""
parser = make_parser()
args = parser.parse_args()
print('Sending commands to ' + args.server + ':' + str(args.port))
if not server_up(args.server, args.port, args.frequency):
sys.stderr.write('Unable to contact server; did you start it?\n')
sys.exit(1)
interactive_control(args.server, args.port, args.frequency)
def main():
"""Parses command line arguments and runs the interactive controller."""
parser = make_parser()
args = parser.parse_args()
with open(args.control_file) as configuration_file:
configuration = load_configuration(configuration_file)
print('Sending commands to ' + args.server + ':' + str(args.port))
frequency = json.loads(configuration['idle'])[0]['frequency']
if not server_up(args.server, args.port, frequency):
print('Server does not appear to be listening for messages, aborting')
return
interactive_control(args.server, args.port, configuration)
def main():
"""Parses command line arguments and runs the interactive controller."""
parser = make_parser()
args = parser.parse_args()
with open(args.control_file) as configuration_file:
configuration = load_configuration(configuration_file)
print('Sending commands to ' + args.server + ':' + str(args.port))
frequency = json.loads(configuration['idle'])[0]['frequency']
if not server_up(args.server, args.port, frequency):
print('Server does not appear to be listening for messages, aborting')
return
interactive_control(args.server, args.port, configuration)
def main():
"""Parses command line arguments and runs the simple controller."""
parser = make_parser()
args = parser.parse_args()
if args.frequency is not None:
frequency = dead_frequency(args.frequency)
else:
frequency = 49.830
if not server_up(args.server, args.port, frequency):
print('Server does not appear to be listening for messages, aborting')
return
command_array = get_command_array(parser)
print('Sending commands to ' + args.server + ':' + str(args.port))
send_signal(args.server, args.port, command_array[0])
def main():
"""Parses command line arguments and runs the simple controller."""
parser = make_parser()
args = parser.parse_args()
if args.frequency is not None:
frequency = dead_frequency(args.frequency)
else:
frequency = 49.830
if not server_up(args.server, args.port, frequency):
print('Server does not appear to be listening for messages, aborting')
return
command_array = get_command_array(parser)
print('Sending commands to ' + args.server + ':' + str(args.port))
send_signal_repeats(args.server, args.port, command_array)
def main():
"""Parses command line arguments and runs the interactive controller."""
parser = make_parser()
args = parser.parse_args()
atexit.register(terminate)
# Remove the default image to make sure that we're not processing images
# from a previous run
try:
os.remove('photo.png')
except OSError:
pass
if not server_up(args.server, args.port, args.frequency):
print('Server does not appear to be listening for messages, aborting')
return
start_image_capture_process()
# RC cars in the 27 and 49 MHz spectrum typically operate on one of a
# several channels in that frequency, but most toy RC cars that I've
# seen only list the major frequency on the car itself. If someone
# enters a major frequency, search each channel.
if args.frequency == 49:
frequencies = CHANNELS_49_MHZ
elif args.frequency == 27:
frequencies = CHANNELS_27_MHZ
else:
frequencies = [args.frequency]
print('Sending commands to ' + args.server + ':' + str(args.port))
try:
search_for_command_codes(
args.server,
args.port,
frequencies,
bit_depth=args.bit_depth
)
# pylint: disable=broad-except
except Exception as exc:
print('Caught exception, exiting')
print(str(exc))
def main():
"""Parses command line arguments and runs the interactive controller."""
parser = make_parser()
args = parser.parse_args()
atexit.register(terminate)
# Remove the default image to make sure that we're not processing images
# from a previous run
try:
os.remove('photo.png')
except OSError:
pass
if not server_up(args.server, args.port, args.frequency):
print('Server does not appear to be listening for messages, aborting')
return
start_image_capture_process()
# RC cars in the 27 and 49 MHz spectrum typically operate on one of a
# several channels in that frequency, but most toy RC cars that I've
# seen only list the major frequency on the car itself. If someone
# enters a major frequency, search each channel.
if args.frequency == 49:
frequencies = CHANNELS_49_MHZ
elif args.frequency == 27:
frequencies = CHANNELS_27_MHZ
else:
frequencies = [args.frequency]
print('Sending commands to ' + args.server + ':' + str(args.port))
try:
search_for_command_codes(args.server,
args.port,
frequencies,
bit_depth=args.bit_depth)
# pylint: disable=broad-except
except Exception as exc:
print('Caught exception, exiting')
print(str(exc))
def main():
"""Parses command line arguments and runs the interactive controller."""
parser = make_parser()
args = parser.parse_args()
# Remove the default image to make sure that we're not processing images
# from a previous run
try:
os.remove('photo.png')
except OSError:
pass
if not server_up(args.server, args.port, args.frequency):
print('''Server does not appear to be listening for messages, aborting.
Did you run pi_pcm?''')
return
webcam = args.webcam
raspi_camera = args.raspi_camera
if not args.no_camera:
try:
import PIL as _
except ImportError:
sys.stderr.write(
'''Using the camera to detect movement requires the Python PIL libraries. You
can install them by running:
apt-get install python-imaging
Or, you can use the `--no-camera` option and just watch the RC car for
movement. When it does, hit <Ctrl> + C and use the last printed values.
''')
sys.exit(1)
if webcam and raspi_camera:
sys.stderr.write(
'You can only specify one of --webcam and --rasberry-pi-camera.'
)
sys.exit(1)
if not webcam and not raspi_camera:
# Find which to use
raspi_exists = subprocess.call(('/usr/bin/which', 'raspistill'),
stdout=open('/dev/null', 'w'))
if raspi_exists == 0:
raspi_camera = True
else:
raspi_camera = False
webcam = not raspi_camera
# RC cars in the 27 and 49 MHz spectrum typically operate on one of a
# several channels in that frequency, but most toy RC cars that I've
# seen only list the major frequency on the car itself. If someone
# enters a major frequency, search each channel.
if args.frequency == 49:
frequencies = CHANNELS_49_MHZ
elif args.frequency == 27:
frequencies = CHANNELS_27_MHZ
else:
frequencies = [args.frequency]
print('Sending commands to ' + args.server + ':' + str(args.port))
picture_thread = None
try:
if args.no_camera:
picture_function = None
elif webcam:
print('Using images from webcam')
picture_thread = PictureWrapper(('streamer', '-f', 'jpeg', '-s',
'640x480', '-o', '/dev/stdout'))
picture_thread.start()
picture_function = picture_thread.get_picture
elif raspi_camera:
print('Using images from Raspberry Pi camera module')
# Use a smaller size here, because computing the % difference
# on the Pi is incredibly slow
picture_thread = PictureWrapper(('raspistill', '-w', '320', '-h',
'240', '-t', '100', '-o', '-'))
picture_thread.start()
picture_function = picture_thread.get_picture
else:
print('Not using camera')
picture_function = None
search_for_command_codes(
args.server,
args.port,
frequencies,
get_picture_function=picture_function,
bit_depth=args.bit_depth,
)
# pylint: disable=broad-except
except (KeyboardInterrupt, Exception) as exc:
print('Caught exception, exiting')
print(str(exc))
if picture_thread is not None:
picture_thread.stop()
picture_thread.join()
def main():
"""Parses command line arguments and runs the interactive controller."""
parser = make_parser()
args = parser.parse_args()
# Remove the default image to make sure that we're not processing images
# from a previous run
try:
os.remove('photo.png')
except OSError:
pass
if not server_up(args.server, args.port, args.frequency):
print(
'''Server does not appear to be listening for messages, aborting.
Did you run pi_pcm?'''
)
return
webcam = args.webcam
raspi_camera = args.raspi_camera
if not args.no_camera:
try:
import PIL as _
except ImportError:
sys.stderr.write(
'''Using the camera to detect movement requires the Python PIL libraries. You
can install them by running:
apt-get install python-imaging
Or, you can use the `--no-camera` option and just watch the RC car for
movement. When it does, hit <Ctrl> + C and use the last printed values.
'''
)
sys.exit(1)
if webcam and raspi_camera:
sys.stderr.write(
'You can only specify one of --webcam and --rasberry-pi-camera.'
)
sys.exit(1)
if not webcam and not raspi_camera:
# Find which to use
raspi_exists = subprocess.call(
('/usr/bin/which', 'raspistill'),
stdout=open('/dev/null', 'w')
)
if raspi_exists == 0:
raspi_camera = True
else:
raspi_camera = False
webcam = not raspi_camera
# RC cars in the 27 and 49 MHz spectrum typically operate on one of a
# several channels in that frequency, but most toy RC cars that I've
# seen only list the major frequency on the car itself. If someone
# enters a major frequency, search each channel.
if args.frequency == 49:
frequencies = CHANNELS_49_MHZ
elif args.frequency == 27:
frequencies = CHANNELS_27_MHZ
else:
frequencies = [args.frequency]
print('Sending commands to ' + args.server + ':' + str(args.port))
picture_thread = None
try:
if args.no_camera:
picture_function = None
elif webcam:
print('Using images from webcam')
picture_thread = PictureWrapper(
('streamer', '-f', 'jpeg', '-s', '640x480', '-o', '/dev/stdout')
)
picture_thread.start()
picture_function = picture_thread.get_picture
elif raspi_camera:
print('Using images from Raspberry Pi camera module')
# Use a smaller size here, because computing the % difference
# on the Pi is incredibly slow
picture_thread = PictureWrapper(
('raspistill', '-w', '320', '-h', '240', '-t', '100', '-o', '-')
)
picture_thread.start()
picture_function = picture_thread.get_picture
else:
print('Not using camera')
picture_function = None
search_for_command_codes(
args.server,
args.port,
frequencies,
get_picture_function=picture_function,
bit_depth=args.bit_depth,
)
# pylint: disable=broad-except
except (KeyboardInterrupt, Exception) as exc:
print('Caught exception, exiting')
print(str(exc))
if picture_thread is not None:
picture_thread.stop()
picture_thread.join()
