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app.py
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app.py
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## various attributes of the capture, and reads in a loop,
## Then prints the volume.
##
## To test it out, run it and shout at your microphone:
import pigpio
from RPi import GPIO
import time
from settings import Settings
from event_publisher import EventPublisher
from screen_controller import ScreenController
from sound_listener import SoundListener
from menu import Menu
from heartbeat import Heartbeat
from distance_measurer import DistanceMeasurer
if __name__ == '__main__':
event_publisher = EventPublisher()
queue_events = event_publisher.queue
Heartbeat('sound-level-detector', event_publisher)
screen_controller = ScreenController()
DistanceMeasurer(screen_controller).start()
sound_listener = SoundListener(Settings.INITIAL_THRESHOLD, Settings.INITIAL_BUFFER_SIZE, queue_events)
queue_listen = sound_listener.queue
menu = Menu(screen_controller, queue_listen)
# initial state
menu.update_screen()
screen_controller.turn_off_light()
# Rotary Encoder 1 (Menu Select)
re1_clk = Settings.GPIO['RE_1_CLK']
re1_dt = Settings.GPIO['RE_1_DT']
GPIO.setmode(GPIO.BCM)
GPIO.setup(re1_clk, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(re1_dt, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
re1_clkLastState = GPIO.input(re1_clk)
# Rotary Encoder 2 (Value Change)
re2_clk = Settings.GPIO['RE_2_CLK']
re2_dt = Settings.GPIO['RE_2_DT']
GPIO.setmode(GPIO.BCM)
GPIO.setup(re2_clk, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(re2_dt, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
re2_clkLastState = GPIO.input(re2_clk)
def update_menu_option():
global re1_clkLastState
global screen_controller
re1_clkState = GPIO.input(re1_clk)
re1_dtState = GPIO.input(re1_dt)
if re1_clkState != re1_clkLastState:
if re1_dtState != re1_clkState:
# turned right
menu.next_option()
else:
# turned left
menu.prev_option()
re1_clkLastState = re1_clkState
def update_menu_value():
global re2_clkLastState
global screen_controller
re2_clkState = GPIO.input(re2_clk)
re2_dtState = GPIO.input(re2_dt)
if re2_clkState != re2_clkLastState:
if re2_dtState != re2_clkState:
# turned right
menu.increase_value()
else:
# turned left
menu.decrease_value()
re2_clkLastState = re2_clkState
while True:
update_menu_option()
update_menu_value()
time.sleep(.001)