display.py

   1 from machine import I2C, Pin
   2 from ssd1306 import SSD1306_I2C
   3 import framebuf
   4 from time import sleep
   5
   6 sda = Pin(0)
   7 scl = Pin(1)
   8 id = 0
   9
  10 i2c = I2C(id=id, sda=sda, scl=scl)
  11
  12 oled = SSD1306_I2C(width=128, height=64, i2c=i2c)
  13 oled.init_display()
  14 oled.text("test", 1, 1)
  15 oled.show()
  16 sleep(1)
  17
  18 images = []
  19 for n in range (1,5):
  20     with open('frame0%s.pbm' % n, 'rb') as f:
  21         f.readline() # magic number
  22         f.readline() # creator comment
  23         f.readline() # dimensions
  24         data = bytearray(f.read())
  25     fbuf = framebuf.FrameBuffer(data, 128,64, framebuf.MONO_HLSB)
  26     images.append(fbuf)
  27
  28 while True:
  29     for i in images:
  30         oled.invert(1)
  31         oled.blit(i,0,0)
  32         oled.show()
  33         sleep(0.1)
  34     sleep(0.4)
  35     for i in reversed(images):
  36         oled.invert(1)
  37         oled.blit(i,0,0)
  38         oled.show()
  39         sleep(0.1)