main.py.dist

# This is executed after boot.py

import time
import ubinascii
import machine
import config
from umqtt.simple import MQTTClient

# Apparently NodeMCUs have a weird PIN wiring
# https://github.com/esp8266/Arduino/blob/esp8266/hardware/esp8266com/esp8266/variants/nodemcu/pins_arduino.h#L49
D0 = const(16)
D1 = const(5)
D2 = const(4)
D3 = const(0)
D4 = const(2)
D5 = const(14)
D6 = const(12)
D7 = const(13)
D8 = const(15)
D9 = const(3)
D10 = const(1)

MQTT_CID = b'esp-' + ubinascii.hexlify(machine.unique_id())

mqtt = MQTTClient(MQTT_CID, config.MQTT_HOST)

def mqtt_callback(topic, message):
    # called when a new MQTT message arrives
    pass

def cycle():
    # read inputs of the chip etc
    pass


if __name__ == '__main__':
    print('Running main loop.')
    mqtt.set_callback(mqtt_callback)
    mqtt.connect()
    try:
        while 1:
            cycle()
            mqtt.check_msg()
            time.sleep_ms(100) # sleep 100ms
    finally:
        mqtt.disconnect()