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ESP-codes/MicroPython/main.py

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+from machine import Pin, SoftI2C
+from time import sleep
+from bme680 import *
+import ssd1306
+import machine
+import network
+from umqtt.robust import MQTTClient
+import sys
+
+
+pwm = machine.PWM(machine.Pin(16), freq=50)
+
+wifi = network.WLAN(network.STA_IF)
+
+client = MQTTClient(client_id=b'esp32',
+                    server=b'192.168.1.64',
+                    port=1883,
+                    user=b'patate',
+                    password=b'patate',
+                    keepalive=30,
+                    ssl=False)
+
+try:
+    client.connect()
+    print('Connection ok');
+except Exception as e:
+    print('Could not connect to MQTT server {}{}'.format(type(e).__name__, e))
+    sys.exit()
+
+
+
+# Fonction pour déplacer le servo moteur vers une position donnée
+def set_position(position):
+  # Convertion de la position en valeur de duty
+  duty = int(position / 180 * 1023)
+  # Envoi de la valeur de duty au servo moteur
+  pwm.duty(duty)
+
+i2c = SoftI2C(scl=Pin(22), sda=Pin(21))
+
+bme = BME680_I2C(i2c=i2c)
+
+# Définition de la tailler de l'écran oled
+oled_width = 128
+oled_height = 64
+oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)
+
+if wifi.isconnected():
+    print ("connecté au réseau wifi")
+    print(wifi.ifconfig())
+
+else:
+    print ("NON connecté au réseau wifi")    
+
+pin_led = Pin(2, mode=Pin.OUT) # Led sur l'ESP
+
+ledR=Pin(14,Pin.OUT) # LED externe
+
+
+def control(topic,msg):
+    print(msg)
+    if 'ledE' in topic:
+        if 'true' in msg :
+            pin_led.on()
+        else :
+            pin_led.off()
+    elif 'ledR' in topic:
+        if 'true' in msg :
+            ledR.value(1)
+        else :
+            ledR.value(0)
+    elif 'motor' in topic:
+        
+        if 'Droite' in msg :      
+            set_position(10)
+            time.sleep(0.4)
+            set_position(0)
+        else:
+            set_position(20)
+            time.sleep(0.4)
+            set_position(0)
+
+
+client.set_callback(control)
+client.subscribe('esp32/ledE', 1)
+client.subscribe('esp32/ledR', 1)
+client.subscribe('esp32/motor', 1)
+
+count=120
+
+while True:
+    try:
+        client.check_msg()
+        count+=1
+        if (count>120) :
+            # Données du BME680 :
+            temperature = str(round(bme.temperature, 2))
+            
+            humidite = str(round(bme.humidity, 2))
+            
+            pression = str(round(bme.pressure, 2))
+            
+            gas = str(round(bme.gas/1000, 2))
+            
+            #print('temperature:', temperature,'|','humidite:', humidite,'|','pression:', pression, '|', 'Gas:', gas)
+            
+            oled.text(temperature + ' C', 0, 5) # Affichage de la temperatureerature
+            oled.text(humidite + ' %', 0, 20) # Affichage de l'humiditeidité
+            oled.text(pression + ' hPa', 0, 35) # Affichage de la pressionsion atmosphérique
+            oled.text(gas + ' ppm', 0, 50) # Affichage du gaz
+            oled.show() # Affiche les valeurs sur l'écran
+            oled.fill(0) # Renitialise l'affichage
+            
+            bme680='{"temperature": '+ temperature + ',' + '"humidite": '+ humidite + ',' + '"pression": ' + pression + ',' + '"gas": ' + gas + '}'
+            count=0
+            client.publish('esp32/bme', bme680)
+            print("Publish : " + str(bme680))
+            
+        time.sleep(0.1)
+    except KeyboardInterrupt:
+        print('Ctrl-C pressionsed...exiting')
+        client.disconnect()
+        sys.exit()
+
+
+
+
+
+