from machine import Pin, I2C
import ssd1306
import utime

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

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

oled.text('HELLO!', 42, 30) 
oled.show()
oled.fill(0)
utime.sleep(0.5)


def draw_eye(x, y):
    size = 38
    for i in range(4, size - 4):
        for j in range(4, size - 4):
            if i + j < size + 6:
                oled.pixel(x + i, y + j, 1)
            else:
                oled.pixel(x + i, y + j, 1)
    corners = [
        (4,4),(5,4),(4,5),
        (size-5,4),(size-6,4),(size-5,5),
        (4,size-5),(4,size-6),(5,size-5),
        (size-5,size-5),(size-6,size-5),(size-5,size-6)
    ]
    for dx, dy in corners:
        oled.pixel(x + dx, y + dy, 0)

def draw_face():
    oled.fill(0)
    draw_eye(26, 13) 
    draw_eye(64, 13)  

    oled.show()
    utime.sleep(0.5)

draw_face()
def draw_closed_eyes():
    oled.fill(0)

    # Mắt trái (vẽ đường ngang 10 pixel tại vị trí 32)
    for x in range(26, 36):
        oled.pixel(x, 32, 1)

    # Mắt phải
    for x in range(64, 74):
        oled.pixel(x, 32, 1)

    oled.show()
    utime.sleep(0.5)