from machine import Pin,ADC,SoftI2C
from time import sleep
from ssd1306 import SSD1306_I2C
x = ADC(Pin(33))
y = ADC(Pin(32))
x.atten(ADC.ATTN_11DB)
y.atten(ADC.ATTN_11DB)
i2c = SoftI2C(scl=Pin(26),sda=Pin(27))
oled = SSD1306_I2C(128,64,i2c)
jsx = 0
jsy = 0
while 1:
    oled.text("*",jsx,jsy)
    oled.show()
    oled.fill(0)
    print(x.read())
    #  x  左——中——右   4095—3072—2048—1024—0
    if x.read() > 3072:
        jsx -= 2
        if jsx < 0:
            jsx = 0
    elif x.read() < 1024:
        jsx += 2
        if jsx > 128:
            jsx = 128
    print(jsx)