kopia lustrzana https://github.com/micropython/micropython-lib
51 wiersze
1.1 KiB
Python
51 wiersze
1.1 KiB
Python
from umqtt.simple import MQTTClient
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from machine import Pin
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import ubinascii
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import machine
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import micropython
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# ESP8266 ESP-12 modules have blue, active-low LED on GPIO2, replace
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# with something else if needed.
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led = Pin(2, Pin.OUT, value=1)
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# Default MQTT server to connect to
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SERVER = "192.168.1.35"
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CLIENT_ID = ubinascii.hexlify(machine.unique_id())
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TOPIC = b"led"
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state = 0
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def sub_cb(topic, msg):
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global state
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print((topic, msg))
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if msg == b"on":
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led.value(0)
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state = 1
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elif msg == b"off":
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led.value(1)
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state = 0
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elif msg == b"toggle":
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# LED is inversed, so setting it to current state
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# value will make it toggle
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led.value(state)
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state = 1 - state
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def main(server=SERVER):
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c = MQTTClient(CLIENT_ID, server)
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# Subscribed messages will be delivered to this callback
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c.set_callback(sub_cb)
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c.connect()
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c.subscribe(TOPIC)
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print("Connected to %s, subscribed to %s topic" % (server, TOPIC))
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try:
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while 1:
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# micropython.mem_info()
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c.wait_msg()
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finally:
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c.disconnect()
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