from machine import Pin, I2C, ADC, PWM
import ssd1306
import time

i2c = I2C(0, scl=Pin(22), sda=Pin(21))

NTC_pin = Pin(32)
NTC = ADC(NTC_pin)
relay = Pin(25, Pin.OUT)
motor_pwm = PWM(relay)
motor_pwm.freq(1000)
pot = ADC(Pin(33))
button_marche = Pin(34, Pin.IN)
button_stope = Pin(35, Pin.IN)

oled_width = 128
oled_height = 64
oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)
motor_running = False 

def temperature(ntc_value):
    return 80 - ((ntc_value * 1) / 65535) * 104
while True:
    reading_marche = button_marche.value()
    reading_stope = button_stope.value() 
    ntc_value = NTC.read_u16()
    temperature_en_C = temperature(ntc_value)
    pot_value = pot.read_u16()
    motor_speed = int((pot_value / 65535) * 1023)
    motor_speed_percent = int((pot_value / 65535) * 100)
    if reading_marche == 1:
        motor_running = True
    if reading_stope == 1:
        motor_running = False
    if temperature_en_C >= 60:
        motor_running = False  
        motor_pwm.duty(0)
    
    oled.fill(0)  
    oled.text('Temp: {:.2f} C'.format(temperature_en_C), 0, 0)  
    oled.text('Moteur: {}'.format('Marche' if motor_running else 'Arrete'), 0, 10)  
    oled.text('Vitesse: {}%'.format(motor_speed_percent), 0, 20)  
    if motor_running and temperature_en_C < 60:
        motor_pwm.duty(motor_speed)  
    else:
        motor_pwm.duty(0)  
    oled.show()
    time.sleep(1)  # Afficher les données toutes les secondes