import machine
import network
import urequests
import time
from machine import I2C, Pin

# Configuration des capteurs
voltage_sensor_pin = machine.ADC(0)  # ADC pour tension
current_sensor_pin = machine.ADC(1)   # ADC pour courant
lm35_pin = machine.ADC(2)              # ADC pour LM35
ldr_pin = machine.ADC(3)               # ADC pour LDR

# Configuration de l'afficheur LCD
i2c = I2C(0, scl=Pin(22), sda=Pin(21))  # Changez les pins selon votre configuration
lcd_address = 0x27  # Adresse I2C de l'afficheur LCD
lcd = machine.I2C(i2c)

# Constants
THINGSPEAK_API_KEY = 'V4XHOZE7W0N4PSCE'
THINGSPEAK_CHANNEL_ID = '2780312'

def connect_wifi():
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)
    wlan.connect(ssid, password)

    while not wlan.isconnected():
        time.sleep(1)
    print('Connexion Wi-Fi réussie:', wlan.ifconfig())

# Fonction pour envoyer les données à ThingSpeak
def send_to_thingspeak(voltage, current, temperature, light):
    url = "https://api.thingspeak.com/update?api_key=VOTRE_API_KEY"
    payload = {
        'field1': voltage,
        'field2': current,
        'field3': temperature,
        'field4': light
    }
    response = urequests.get(url, params=payload)
    print('Données envoyées:', response.text)

# Fonction principale
def main():
    connect_wifi()
    
    while True:
        voltage = voltage_sensor_pin.read() * (3.3 / 1024)  # Ajustez selon votre configuration
        current = current_sensor_pin.read() * (3.3 / 1024)
        temperature = lm35_pin.read() * (3.3 / 1024) * 100  # LM35 en degrés Celsius
        light = ldr_pin.read()  # Valeur LDR
        
        # Affichage sur LCD
        lcd.clear()
        lcd.write('V: {:.2f}V'.format(voltage))
        lcd.write('I: {:.2f}A'.format(current))
        lcd.write('T: {:.2f}C'.format(temperature))
        lcd.write('L: {}'.format(light))
        
        # Envoi des données
        send_to_thingspeak(voltage, current, temperature, light)
        
        time.sleep(60)  # Envoyer toutes les minutes

# Exécution du programme
main()