from machine import ADC, Pin, SoftI2C, Timer
import ssd1306
from time import sleep_ms

potentiometre = ADC(Pin(34))
potentiometre.atten(ADC.ATTN_11DB)

busi2c = SoftI2C(scl=Pin(22), sda=Pin(21))
oled_width = 128
oled_height = 64
oled = ssd1306.SSD1306_I2C(oled_width, oled_height, busi2c)

caractere = "."
coor_y = []


def defilement_texte(text,y):
    text_width = len(text) * 8 # Largeur du texte en pixels
    for x in range(oled_width, -text_width, -5):
        oled.fill(0)
        oled.text(text, x, y)
        oled.show()
        sleep_ms(10)
    


while True:
    oled.fill(0)
    largeur_caractere = 4
    nb_caractere_y = int(oled_width / largeur_caractere)
    
    #defilement_texte("essai",coor_y)
    oled.fill(0)
    for x in range(oled_width, -largeur_caractere, -5):
        
        coor_y =oled_height-int(oled_height*potentiometre.read()/4095)
        oled.text(caractere, x, coor_y)
        oled.show()
        sleep_ms(10)
    #for index in range(nb_caractere_y):
    #    coor_y =oled_height-int(oled_height*potentiometre.read()/4095)
    #    coor_x = 100-index*largeur_caractere
    #    oled.text(caractere, coor_x, coor_y)