164 lines
4.4 KiB
Python
164 lines
4.4 KiB
Python
import network
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from umqtt.simple import MQTTClient
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from machine import Pin
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import json
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import time
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import urequests
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# MQTT-Konfiguration
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MQTT_BROKER = "lires.de"
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MQTT_PORT = 1883
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MQTT_CLIENT_ID = "esp8266_coffee"
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MQTT_TOPIC_STATUS = b"coffee/status"
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MQTT_TOPIC_COMMAND = b"coffee/command"
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MQTT_TOPIC_RETURN = b"coffee/return"
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# Other Constants
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SERVER_URL = "http://lires.de/unsecure/esp/online"
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# --- Eingänge ---
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an = Pin(5, Pin.IN)
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bereit = Pin(4, Pin.IN)
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fehler = Pin(14, Pin.IN)
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bohnen_voll = Pin(12, Pin.IN)
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Wasser_voll = Pin(13, Pin.IN)
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# --- Ausgänge ---
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einschalten = Pin(0, Pin.OUT)
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starten = Pin(15, Pin.OUT)
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# --- Status ---
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toggle_machine=0
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gestartet = 0
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make_coffee= 0
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kaffee_fertig = 0
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in_process = 0
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def mqtt_callback(topic, msg):
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print('-------------------------')
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print('MQTT Nachricht empfangen:')
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print(f'Topic: {topic.decode()}')
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print(f'Payload: {msg.decode()}')
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print('-------------------------')
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try:
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command = json.loads(msg.decode())
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if topic == MQTT_TOPIC_COMMAND:
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if command['command']=='toggle_machine':
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toggle_machine=1
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if gestartet.value() == 1:
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command['status']='served'
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print(command)
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client.publish(MQTT_TOPIC_RETURN, json.dumps(command))
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if command['command']=='make_coffee':
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kaffee_machen=1
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if kaffee_fertig==1:
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print(command)
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client.publish(MQTT_TOPIC_RETURN, json.dumps(command))
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except Exception as e:
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print('Fehler bei Kommando-Verarbeitung:', e)
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def connect_mqtt():
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client = MQTTClient(MQTT_CLIENT_ID, MQTT_BROKER, port=MQTT_PORT)
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client.set_callback(mqtt_callback)
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client.connect()
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print('MQTT verbunden')
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client.subscribe(MQTT_TOPIC_COMMAND)
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return client
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def send_online_status():
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try:
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ip = network.WLAN(network.STA_IF).ifconfig()
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payload = json.dumps({"ip": ip})
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headers = {'Content-Type': 'application/json'}
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response = urequests.post(SERVER_URL, data=payload, headers=headers)
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print("Antwort vom Server:", response.text)
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response.close()
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except Exception as e:
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print("Fehler beim Senden:", e)
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# MQTT-Verbindung herstellen
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try:
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client = connect_mqtt()
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except Exception as e:
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print('MQTT Verbindungsfehler:', e)
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client = None
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send_online_status()
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# Hauptschleife
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while True:
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try:
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if client:
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client.check_msg() # Prüfe auf neue MQTT-Nachrichten
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# Status senden
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status = {
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# ---IOs---
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"an": an.value(),
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"bereit": bereit.value(),
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"fehler": fehler.value(),
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"bohnen_voll": bohnen_voll.value(),
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"Wasser_voll": Wasser_voll.value(),
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"einschalten": einschalten.value(),
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"starten": starten.value(),
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# ---komunikation---
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"kaffee_machen": make_coffee,
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#"vorbereitung": vorbereitung,
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"kaffee_fertig": kaffee_fertig,
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}
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client.publish(MQTT_TOPIC_STATUS, json.dumps(status))
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else:
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# Versuche Neuverbindung
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try:
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client = connect_mqtt()
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except:
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pass
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time.sleep(3) # Warte 5 Sekunden zwischen den Status-Updates
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except Exception as e:
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print('Fehler in Hauptschleife:', e)
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time.sleep(5)
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client = None
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# Einschalten der Kaffeemaschine per remote
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if toggle_machine.value() == 1 and an.value() == 0 and bereit.value() == 0 and fehler.value() == 0:
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einschalten=1
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time.sleep(1)
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einschalten=0
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gestartet = 1
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#Starten der Kaffeemaschine per remote
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if make_coffee() == 1 and an() == 1 and bereit() == 1 and fehler() == 0 and gestartet == 1:
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starten=1
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time.sleep(1)
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starten=0
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make_coffee = 0
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in_process = 1
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# Kaffee fertig
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if bereit() == 1 and an() == 1 and fehler() == 0 and in_process == 1:
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kaffee_fertig=1
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in_process = 0
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else:
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kaffee_fertig=0
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# Fehlerbehandlung
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if fehler() == 1:
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fehler(1)
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else:
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fehler(0)
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