Ajout des scripts MQTT
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Pierrick C
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python/mqtt2papirus.py
Executable file
84
python/mqtt2papirus.py
Executable file
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#!/usr/bin/python2
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# -*- coding: utf8 -*-
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# Get data from MQTT broker and print them to
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# Papirus ePaper display
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from papirus import Papirus
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from papirus import PapirusTextPos
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import paho.mqtt.client as mqtt
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import datetime
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import decimal
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# MQTT settings
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mqtt_server = 'localhost'
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mqtt_port= 1883
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mqtt_auth= {'username':'cameteo',
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'password':'CaMeteo'}
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mqtt_client_id= 'mqtt2papirus'
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topic="pi/papirus_zero_hat/temperature/#"
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# Papirus display settings
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disp_rotation = 0
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font_path = '/usr/share/fonts/truetype/freefont/FreeMono.ttf'
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font_path_bold = '/usr/share/fonts/truetype/freefont/FreeMonoBold.ttf'
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text_size = 15
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date = datetime.datetime.now().replace(microsecond=0).isoformat()
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temp = "-"
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unit_temp = "\u00B0C"
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#Set the dispaly and position of text
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text = PapirusTextPos(False, rotation=disp_rotation)
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#text.Clear()
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text.AddText(date, 0, 0, text_size, Id="Date", font_path=font_path_bold)
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text.AddText("Connecting to MQTT...", 5, 15, text_size, Id="Temperature", font_path=font_path)
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text.WriteAll()
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# The callback for when the client receives a CONNACK response from the server.
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def on_connect(client, userdata, flags, rc):
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print("Connected with result code "+str(rc))
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date = datetime.datetime.now().replace(microsecond=0).isoformat()
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text.UpdateText("Date", date, font_path=font_path_bold)
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text.UpdateText("Temperature", "Connected to MQTT !")
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text.WriteAll()
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# Subscribing in on_connect() means that if we lose the connection and
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# reconnect then subscriptions will be renewed.
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client.unsubscribe("$SYS/#")
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client.subscribe(topic)
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# The callback for when a PUBLISH message is received from the server.
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def on_message(client, userdata, msg):
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global unit_temp
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top=msg.topic[len(topic)-1:].strip()
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print(top+" : "+str(msg.payload))
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if top == "date" :
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text.UpdateText("Date", msg.payload, font_path=font_path_bold)
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if top == "unit" :
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unit_temp = msg.payload
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if top == "value" :
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val = decimal.Decimal(msg.payload)
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txt = "T= %.1f" % val + unit_temp.decode("utf-8")
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text.UpdateText("Temperature", txt)
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text.WriteAll()
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########
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# Main #
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########
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#Connect to MQTT broker and loop...
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mqtt_client = mqtt.Client(mqtt_client_id, clean_session=False)
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mqtt_client.username_pw_set(mqtt_auth['username'], mqtt_auth['password'])
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mqtt_client.on_connect = on_connect
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mqtt_client.on_message = on_message
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mqtt_client.connect(mqtt_server, mqtt_port, 60)
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mqtt_client.loop_forever()
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python/mqtt2sql.py
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python/mqtt2sql.py
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#!/usr/bin/python3
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# Pérenisation de données arrivant sur un MQTT
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# vers une base de données MariaDb/MySQL
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# Auteur : Arofarn
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# v0.1
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#################
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# Configuration #
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#################
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#MQTT Broker
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mqtt_host = "aro-yuno"
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mqtt_port = 1883
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mqtt_client_id = "mqtt2sql"
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#mqtt_auth = { 'username' : 'arofarn', 'password' : 'xxx' }
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qos=1
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topic = "huzzah0/#"
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#MySQL database
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sql_host = "localhost"
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#sql_port =
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sql_base = "iot_test"
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sql_user = "arofarn"
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#sql_pass = "password"
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########
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# MAIN #
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########
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import paho.mqtt.client as mqtt
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from datetime import datetime
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import json
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import pymysql.cursors
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def on_connect(client, userdata, flags, rc):
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print("Connected with result code "+str(rc))
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client.subscribe(topic)
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def on_message(client, userdata, msg):
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top=msg.topic[len(topic)-1:].strip()
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subtopics = top.split("/")
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payload = msg.payload.decode()
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val = json.loads(payload)
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print("%s : %s %s (%s)" % (val['type'], val['value'], val['unit'], subtopics[0]))
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with connection.cursor() as cursor:
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sql = "INSERT INTO `data` (`valdate`, `value`, `type_id`, `sensor_id`) VALUES (%s, %s, %s, %s)"
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cursor.execute(sql, (datetime.strptime(val['date'], "%d/%m/%Y %H:%M:%S"), float(val['value']), val['type'], subtopics[0]))
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connection.commit()
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def on_message_date(client, userdata, msg):
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payload = msg.payload.decode()
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try:
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d = datetime.strptime(payload, "%d/%m/%Y %H:%M:%S")
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print("Date : %s" % d)
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except:
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print("Date mal formatée : %s" % payload)
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def on_disconnect(client, userdata, msg):
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if msg != 0:
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print("Déconnexion imprévu : %s" % msg)
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connection.close()
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connection = pymysql.connect(host=sql_host,
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user=sql_user,
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#password=sql_pass,
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db=sql_base,
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charset='utf8mb4',
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cursorclass=pymysql.cursors.DictCursor)
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########
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# Main #
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########
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#Connect to MQTT broker and loop...
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mqtt_client = mqtt.Client(mqtt_client_id, clean_session=False)
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#mqtt_client.username_pw_set(mqtt_auth['username'], mqtt_auth['password'])
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mqtt_client.on_connect = on_connect
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mqtt_client.on_message = on_message
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mqtt_client.on_disconnect = on_disconnect
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mqtt_client.message_callback_add("huzzah0/NTP/date", on_message_date)
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mqtt_client.connect(mqtt_host, mqtt_port, 60)
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mqtt_client.loop_forever()
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63
python/papirus-lm752mqtt.py
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python/papirus-lm752mqtt.py
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#!/usr/bin/python3
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# -*- coding: utf8 -*-
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#Get LM75 temperature value and send it to MQTT broker
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import smbus
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import paho.mqtt.publish as mqtt
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import datetime
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# MQTT settings
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mqtt_server = 'localhost'
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mqtt_port= 1883
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mqtt_auth= {'username':'cameteo',
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'password':'CaMeteo'}
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mqtt_client_id= 'papirus_temp2mqtt'
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mqtt_qos=2
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mqtt_topic="pi/papirus_zero_hat/temperature/"
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#LM75B settings
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LM75B_ADDRESS = 0x48
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LM75B_TEMP_REGISTER = 0
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LM75B_CONF_REGISTER = 1
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LM75B_THYST_REGISTER = 2
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LM75B_TOS_REGISTER = 3
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LM75B_CONF_NORMAL = 0
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class LM75B(object):
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def __init__(self, address=LM75B_ADDRESS, busnum=1):
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self._address = address
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self._bus = smbus.SMBus(busnum)
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self._bus.write_byte_data(self._address, LM75B_CONF_REGISTER, LM75B_CONF_NORMAL)
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def getTempC(self):
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"""Return temperature in degrees Celsius"""
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raw = self._bus.read_word_data(self._address, LM75B_TEMP_REGISTER) & 0xFFFF
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raw = (((raw << 8) & 0xFF00) + (raw >> 8) +128 ) /256
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return raw
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########
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# Main #
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########
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#Get and print data
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date = datetime.datetime.now().replace(microsecond=0).isoformat()
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print(date)
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sens = LM75B()
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lm75_temp = sens.getTempC()
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print("Temperature (Papirus HAT LM75b) : %s °C" % lm75_temp)
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#Send data to MQTT broker
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mqtt_data = [{'topic':mqtt_topic + "value", 'payload':lm75_temp, 'qos':mqtt_qos, 'retain':True},
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{'topic':mqtt_topic + "date", 'payload':date, 'qos':mqtt_qos, 'retain':True},
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{'topic':mqtt_topic + "unit", 'payload':"\u00B0C", 'qos':mqtt_qos, 'retain':True},
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{'topic':mqtt_topic + "desc", 'payload':"LM75b sensor", 'qos':mqtt_qos, 'retain':True}]
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mqtt.multiple(mqtt_data,
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hostname= mqtt_server ,
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port= mqtt_port ,
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auth= mqtt_auth ,
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client_id= mqtt_client_id )
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59
python/picam+mqtt.py
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python/picam+mqtt.py
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#!/usr/bin/python3
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# Take a picture with the Pi Camera module and publish the path
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# and name of the file on a MQTT broker
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import picamera
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import paho.mqtt.publish as mqtt
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from time import sleep
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import datetime
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# Camera settings
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camera_resolution=(2592, 1944)
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camera_warmup_time=2 #in seconds
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#camera_iso=800
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# MQTT settings
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mqtt_server = 'localhost'
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mqtt_port= 1883
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mqtt_auth= {'username':'cameteo',
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'password':'CaMeteo'}
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mqtt_client_id= 'picamera2mqtt'
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mqtt_qos=2
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# Photo parameters
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photo_path = '/home/pi/photos/'
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photo_format = 'jpg'
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photo_mqtt_topic = 'pi/picamera/'
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########
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# Main #
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########
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file_date = datetime.datetime.now().replace(microsecond=0).isoformat()
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file_name = file_date + "." + photo_format
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# Taking a photo
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#################
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cam = picamera.PiCamera(resolution = camera_resolution)
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# Warm-up
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cam.start_preview()
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sleep(camera_warmup_time)
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print(photo_path+file_name)
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cam.capture(photo_path+file_name)
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# MQTT publication
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###################
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mqtt_data = [{'topic':photo_mqtt_topic+"path", 'payload':photo_path, 'qos':mqtt_qos, 'retain':False},
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{'topic':photo_mqtt_topic+"last_photo_name", 'payload':file_name, 'qos':mqtt_qos, 'retain':False},
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{'topic':photo_mqtt_topic+"last_photo_date", 'payload':file_date, 'qos':mqtt_qos, 'retain':False}]
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mqtt.multiple(mqtt_data,
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hostname= mqtt_server ,
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port= mqtt_port ,
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client_id= mqtt_client_id ,
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auth= mqtt_auth )
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