def main():
# Monitor the button for events.
global eventloop
eventloop = EventLoop()
eventloop.monitor_gpio_button(args.gpio_pin,
button_handler,
doubleclick_speed=0)
say("Device is in Service Mode. Press button to navigate through the menu. "
"Long press to enter the menu section or perform an action.")
# Read current configuration values.
with open(args.config_path) as config_file:
for line in config_file:
key, value = line.partition("=")[::2]
# Ignore empty lines.
key = key.strip()
if key:
config[key] = value.strip()
logger.info('Current environment variables: %s', config)
ready()
# Run the event loop forever.
eventloop.loop()
def main():
# Load the database of items we know about.
global db
db = ImageDatabase(options)
# Initialize the camera object we'll use to take pictures.
global camera
camera = Camera(options.video_source,
options.video_width,
options.video_height,
options.video_fps)
with open(get_sound('shutter.raw'), 'rb') as f:
global SHUTTER_TONE
SHUTTER_TONE = f.read()
# Set up the audio devices if they are configured
if options.audio_out_device:
audioutils.ALSA_SPEAKER = options.audio_out_device
if options.audio_in_device:
audioutils.ALSA_MICROPHONE = options.audio_in_device
# If log path is set, make sure the corresponding directory exists.
if options.log_path and not os.path.isdir(options.log_path):
os.makedirs(options.log_path)
# If --web-server was specified, run a web server in a separate process
# to expose the files in that directory.
# Note that we're using port 80, assuming we'll always run as root.
if options.web_server:
subprocess.Popen(['python', '-m', 'SimpleHTTPServer', '80'],
cwd=options.web_server_root)
# Monitor the button for events
global eventloop
eventloop = EventLoop()
eventloop.monitor_gpio_button(options.gpio_pin, button_handler,
doubleclick_speed=0)
# If you don't have a button, use --cmd-ui to monitor the keyboard instead.
if options.cmd_ui:
# Print instructions.
keyboard_handler()
# Monitor it on the event loop.
eventloop.monitor_console(keyboard_handler, prompt="Command: ")
# Let the user know we're ready
ready()
# Run the event loop forever
eventloop.loop()
if __name__ == '__main__':
from eventloop import EventLoop
print('longpress to record')
print('click to play back recording')
print('doubleclick to quit')
eventloop = EventLoop()
recording = None
def button_handler(event, pin):
global recording
if pin != 26:
return
if event == 'click':
if recording:
play(recording)
else:
print("long press to make a recording")
elif event == 'longpress':
play(start_recording_tone)
time.sleep(0.1) # don't pick up any of the tone in the mic
recording = record()
play(stop_recording_tone)
elif event == 'doubleclick':
eventloop.exit()
eventloop.monitor_gpio_button(26, button_handler)
eventloop.loop()
