from machine import Pin, I2C, PWM
import time
from ssd1306 import SSD1306_I2C

# --- I2C OLED ---
i2c = I2C(0, scl=Pin(1), sda=Pin(0), freq=400_000)
oled = SSD1306_I2C(128, 64, i2c)

# --- Boutons et LEDs ---
btn_pins = [2, 3, 4, 5, 6, 7, 8]      # GP2→GP8 pour boutons
led_pins = [10, 11, 12, 13, 14, 15, 16]  # GP10→GP16 pour LEDs

buttons = [Pin(p, Pin.IN, Pin.PULL_UP) for p in btn_pins]
leds = [Pin(p, Pin.OUT) for p in led_pins]

# --- Buzzer ---
buzzer = PWM(Pin(17))  # GP17 pour le buzzer
buzzer.duty_u16(0)     # éteint au départ

# --- Fréquences des notes (C4, D4, E4, F4, G4, A4, B4) ---
frequencies = [262, 294, 330, 349, 392, 440, 494]

# --- Texte titre fixe ---
oled.fill(0)
oled.text("Piano 7 touches", 0, 0)
oled.show()

# --- Boucle principale ---
while True:
    for i in range(7):
        if buttons[i].value() == 0:  # bouton pressé
            leds[i].value(1)
            buzzer.freq(frequencies[i])
            buzzer.duty_u16(2000)  # puissance du son
            # Affichage sur OLED