class RunLoop:
SLEEP_MS_DEFAULT = 20
LED_TOGGLE_DEFAULT = 500
def __init__(self, config, verbose=0):
self.verbose = verbose
# ------------------------------------------------------------------------------------------------------------ #
self.exit = False
self.config = config
# ------------------------------------------------------------------------------------------------------------ #
self.sleep_ms = self.SLEEP_MS_DEFAULT
# ------------------------------------------------------------------------------------------------------------ #
# Initialise required services
# ------------------------------------------------------------------------------------------------------------ #
if self.config['pinout']['led'] is None:
from led import MockLed
self.led = MockLed()
else:
from led import Led
self.led = Led(self.config['pinout']['led']['pin'],
self.config['pinout']['led']['on_level'])
# ------------------------------------------------------------------------------------------------------------ #
if self.config['pinout']['button'] is None:
from button import MockButton
self.button = MockButton()
else:
from button import Button
self.button = Button(self.config['pinout']['button']['pin'],
self.config['pinout']['button']['on_level'])
# ------------------------------------------------------------------------------------------------------------ #
if self.config['pinout']['relay'] is None:
from relay import MockRelay
self.relay = MockRelay()
else:
from relay import Relay
self.relay = Relay(self.config['pinout']['relay']['pin'],
self.config['pinout']['relay']['on_level'])
# ------------------------------------------------------------------------------------------------------------ #
self.wifi = WiFi(self.config) # , verbose=self.verbose)
self.device_id = self.wifi.device_id()
self.messaging = Messaging(self.config, self.device_id)
# ------------------------------------------------------------------------------------------------------------ #
# Application ready feedback --------------------------------------------------------------------------------- #
self.led.on(poll=True)
sleep(2)
self.led.off(poll=True)
# ------------------------------------------------------------------------------------------------------------ #
if self.wifi.connected():
self.on_wifi_connected(be_verbose=False)
# ------------------------------------------------------------------------------------------------------------ #
if self.verbose:
print('<{} with id {}>'.format(self.config['device']['type'],
self.device_id))
print(self.led)
print(self.button)
print(self.relay)
print(self.wifi)
print(self.messaging)
def on_wifi_connected(self, be_verbose=True):
if be_verbose and self.verbose:
print(self.wifi)
self.led.toggle(self.LED_TOGGLE_DEFAULT)
if not self.messaging.connected():
self.messaging.connect()
def run(self):
if self.verbose:
print('Run loop ' 'started')
while not self.exit:
# ======================================================================================================== #
self.led.poll()
self.button.poll()
# -------------------------------------------------------------------------------------------------------- #
if self.relay.state(
) == self.relay.STATE_OFF and self.button.pressed(
) == self.button.SHORT_PRESS:
if self.verbose:
print('<Button: SHORT_PRESS ' '0' '>')
self.messaging.publish({
'state':
'<Button: SHORT_PRESS '
'relay state: '
'on'
'>'
})
self.relay.on()
self.button.clear()
elif self.relay.state(
) == self.relay.STATE_ON and self.button.pressed(
) > self.button.NOT_PRESSED:
if self.verbose:
print('<Button: SHORT_PRESS ' '1' '>')
self.messaging.publish({
'state':
'<Button: SHORT_PRESS '
'relay state: '
'off'
'>'
})
self.relay.off()
self.button.clear()
elif self.led.enabled() is True and self.button.pressed(
) == self.button.LONG_PRESS:
if self.verbose:
print('<Button: LONG_PRESS ' '0' '>')
self.messaging.publish({
'state':
'<Button: LONG_PRESS '
'led enabled: '
'off'
'>'
})
self.led.enable(False)
self.led.off()
self.button.clear()
elif self.led.enabled() is False and self.button.pressed(
) > self.button.NOT_PRESSED:
if self.verbose:
print('<Button: LONG_PRESS ' '2' '>')
self.messaging.publish(
{'state': '<Button: LONG_PRESS '
'led enabled: '
'on'
'>'})
self.led.enable(True)
self.led.toggle(self.LED_TOGGLE_DEFAULT)
self.button.clear()
# -------------------------------------------------------------------------------------------------------- #
if self.wifi.connected():
if self.messaging.connected() is False:
self.on_wifi_connected()
if self.messaging.poll():
if 'action' in self.messaging.msg:
if self.messaging.msg['action'] == 'on':
if self.verbose:
print('<Relay: ' 'on' '>')
self.relay.on()
elif self.messaging.msg['action'] == 'off':
if self.verbose:
print('<Relay: ' 'off' '>')
self.relay.off()
elif self.messaging.msg['action'] == 'exit':
if self.verbose:
print('<Application: ' 'exit' '>')
self.exit = True
self.messaging.completed()
elif self.wifi.connected() is False:
if self.wifi.connecting() is False:
self.led.toggle(250)
self.led.on(poll=True, save_state=True)
if self.wifi.connect() is True:
self.led.off(poll=True, restore_state=True)
# ======================================================================================================== #
sleep_ms(self.sleep_ms) # Reduce the tightness of the run loop
# ======================================================================================================== #
if self.verbose:
print('Run loop ' 'exited')
def close(self):
self.exit = True
if self.led:
self.led.close()
if self.button:
self.button.close()
if self.relay:
self.relay.close()
if self.messaging:
self.messaging.disconnect()
# if self.wifi:
# self.wifi.disconnect() # Don't do this, you will loose connection to the REPL
if self.verbose:
print('Run loop ' 'closed')
def main():
workers = Bunch(
sensor_temp_a=create_thermostat(TEMPERATURE_SENSOR, TEMPERATURE_PIN_A, 2),
sensor_temp_b=create_thermostat(TEMPERATURE_SENSOR, TEMPERATURE_PIN_B, 2),
)
try:
for worker_id, worker in workers.items():
print("Starting worker %s" % worker_id)
worker.process.start()
display = Display()
button_up = Button(BUTTON_PIN_UP)
button_down = Button(BUTTON_PIN_DOWN)
relay = Relay(RELAY_PIN)
button_count = 0
while True:
is_changed = workers.sensor_temp_a.changed or workers.sensor_temp_b.changed
button_up_pressed = button_up.pressed
button_down_pressed = button_down.pressed
if button_up_pressed and button_down_pressed:
is_changed = True
button_count = 0
relay.state = relay.OFF
elif button_up_pressed:
is_changed = True
button_count += 1
relay.state = relay.ON
elif button_down_pressed:
is_changed = True
button_count -= 1
relay.state = relay.OFF
if is_changed:
display.write_lines([
'#1: %.02fF :: %.02f%%' % (
c_to_f(workers.sensor_temp_a.temperature.value),
workers.sensor_temp_a.humidity.value,
),
'#2: %.02fF :: %.02f%%' % (
c_to_f(workers.sensor_temp_b.temperature.value),
workers.sensor_temp_b.humidity.value,
),
'Button: %d' % button_count,
'???',
])
# print({
# 'a': {
# 'humidity': workers.sensor_temp_a.humidity.value,
# 'temperature': c_to_f(workers.sensor_temp_a.temperature.value),
# },
# 'b': {
# 'humidity': workers.sensor_temp_b.humidity.value,
# 'temperature': c_to_f(workers.sensor_temp_b.temperature.value),
# },
# })
time.sleep(0.1)
except KeyboardInterrupt:
print('Main received ctrl-c')
display.close()
for worker_id, worker in workers.items():
print("Killing worker %s" % worker_id)
worker.process.terminate()
for worker_id, worker in workers.items():
worker.process.join()
