### lab2-1 ###

from machine import Pin, I2C
from ssd1306 import SSD1306_I2C

i2c = I2C(scl=Pin(5), sda=Pin(4))

oled = SSD1306_I2C(128, 64, i2c)

oled.text("I love PYTHON!", 0, 0)
oled.show()



### lab2-2 ###

from machine import Pin, I2C
from ssd1306 import SSD1306_I2C
import utime

i2c = I2C(scl=Pin(5), sda=Pin(4))

oled = SSD1306_I2C(128, 64, i2c)

while True:
    system_time = utime.ticks_ms()
    oled.text("System time: ", 0, 0)
    oled.text(str(system_time), 0, 0)
    oled.show()
    utime.sleep_ms(100)



### lab2-3 ###

from machine import Pin, I2C
from ssd1306 import SSD1306_I2C
import utime

i2c = I2C(scl=Pin(5), sda=Pin(4))

oled = SSD1306_I2C(128, 64, i2c)

while True:
    
    system_time = utime.ticks_ms()
    
    oled.fill(0)
    oled.text("System time: ", 0, 0)			# 顯示於第一行
    oled.text(str(system_time) + " ms", 0, 16)		# 顯示於第三行
    oled.show()
    
    utime.sleep_ms(100)



### lab2-3 ###

from machine import Pin, I2C
from ssd1306 import SSD1306_I2C
import framebuf

oled = SSD1306_I2C(128, 64, I2C(scl=Pin(5), sda=Pin(4)))

pic_list = [0x44, 0xee, 0xfe, 0xfe, 0xfe, 0x7c, 0x38, 0x10]

pic_buffer = bytearray(pic_list)
pic = framebuf.FrameBuffer(pic_buffer, 8, 8,
                           framebuf.MONO_HLSB)		# 水平 LSB 排列方式
oled.text("I", 8, 8)
oled.blit(pic, 20, 8)
oled.text("PYTHON", 32, 8)
oled.rect(4, 4, 80, 16, 1) # 畫方框
oled.show()



### lab2-4 ###

from machine import Pin, I2C
from ssd1306 import SSD1306_I2C
import framebuf

oled = SSD1306_I2C(128, 64, I2C(scl=Pin(5), sda=Pin(4)))

pic_list = [0x1e, 0x3f, 0x7e, 0xfc, 0x7e, 0x3f, 0x1e, 0x00]

pic_buffer = bytearray(pic_list)
pic = framebuf.FrameBuffer(pic_buffer, 8, 8,
                           framebuf.MONO_VLSB)		# 垂直 LSB 排列方式
oled.text("I", 8, 8)
oled.blit(pic, 20, 8)
oled.text("PYTHON", 32, 8)
oled.rect(4, 4, 80, 16, 1) # 畫方框
oled.show()



# lab2-5 ###

from machine import Pin, I2C
from ssd1306 import SSD1306_I2C

oled = SSD1306_I2C(128, 64, I2C(scl=Pin(5), sda=Pin(4)))

>>> oled.fill(1)		# 點亮所有畫素
>>> oled.show()



>>> oled.invert(1)		# 螢幕反向



>>> oled.contrast(255)		# 設定對比度 (0 ~ 255)



>>> oled.fill(0)		# 清除所有畫素
>>> oled.pixel(x, y, 1)		# 點亮座標 x, y 的像素
>>> oled.show()



>>> oled.fill(0)		# 清除所有畫素
>>> oled.hline(x, y, len, 1)	# 畫水平線，起點座標 x, y，長度 len
>>> oled.show()



>>> oled.fill(0)		# 清除所有畫素
>>> oled.vline(x, y, len, 1)	# 畫垂直線，起點座標 x, y，長度 len
>>> oled.show()



>>> oled.fill(0)			# 清除所有畫素
>>> oled.line(x1, y1, x2, y2, 1)	# 畫直線，從座標 x1, y1 到 x2, y2
>>> oled.show()



>>> oled.fill(0)			# 清除所有畫素
>>> oled.rect(x1, y1, x2, y2, 1)	# 畫方框，兩角座標 x1, y1 到 x2, y2
>>> oled.show()



>>> oled.fill(0)			# 清除所有畫素
>>> oled.fill_rect(x1, y1, x2, y2, 1)	# 畫實心方塊，兩角座標 x1, y1 到 x2, y2
>>> oled.show()



>>> oled.scroll(x, y)		# 捲動畫面 x, y 像素



### lab2-6 ### 

from machine import Pin, I2C
from ssd1306 import SSD1306_I2C

oled = SSD1306_I2C(128, 64, I2C(scl=Pin(5), sda=Pin(4)))

# 依序點亮每顆像素
while True:
    for x in range(0, 127):   
        for y in range(0, 63):
            oled.pixel(x, y, 1)
            oled.show()


### lab2-7 ### 

from machine import Pin, I2C
from ssd1306 import SSD1306_I2C

oled = SSD1306_I2C(128, 64, I2C(scl=Pin(5), sda=Pin(4)))

# 由左而右，依序點亮垂直線，然後依相反方向清除直線
while True:
    for x in range(0, 127):   
        oled.vline(x, 0, 63, 1)
        oled.show()

    for x in range(127, 0, -1):   
        oled.vline(x, 0, 63, 0)
        oled.show()