Need a unique gift idea?
A Pastebin account makes a great Christmas gift
SHARE
TWEET

Untitled

a guest Mar 19th, 2018 68 Never
Upgrade to PRO!
ENDING IN00days00hours00mins00secs
 
  1. import machine
  2. import neopixel
  3. import time
  4. import framebuf as fb
  5.  
  6. NR_PIXEL_WIDTH = const(8)
  7. NR_PIXEL_HEIGHT = const(8)
  8. buf_array = bytearray(NR_PIXEL_WIDTH * NR_PIXEL_HEIGHT * 3)
  9.    
  10. p1 = machine.Pin(13,machine.Pin.OUT)
  11. fbuf = fb.FrameBuffer(buf_array, NR_PIXEL_WIDTH, NR_PIXEL_HEIGHT, fb.RGB888)
  12.  
  13. @micropython.viper
  14. def zickzack_rgb24(fbuf):
  15.     buf = ptr8(fbuf)
  16.     for y in range(0, NR_PIXEL_HEIGHT, 2):
  17.         offset_s = NR_PIXEL_WIDTH * y * 3
  18.         offset_e = offset_s + 3 * (NR_PIXEL_WIDTH - 1)
  19.         # print("{} - {}".format(offset_s, offset_e))
  20.         for x in range(0, NR_PIXEL_WIDTH//2):
  21.             tmp = buf[offset_e - x * 3]
  22.             buf[offset_e - x * 3] =  buf[offset_s + x * 3]
  23.             buf[offset_s + x * 3] = tmp
  24.             tmp = buf[offset_e - x * 3 +1]
  25.             buf[offset_e-x * 3 + 1] =  buf[offset_s + x * 3 +1]
  26.             buf[offset_s+x * 3 + 1] = tmp
  27.             tmp = buf[offset_e - x * 3 +2]
  28.             buf[offset_e - x * 3 + 2] =  buf[offset_s + x * 3 + 2]
  29.             buf[offset_s+x * 3 + 2] = tmp
  30.  
  31. def write_neo(text):
  32.     fbuf.fill(0)
  33.     for c in text:
  34.         fbuf.text(c, 0, 0, 10)
  35.         zickzack_rgb24(buf_array)
  36.         neopixel.neopixel_write(p1, buf_array, 1)
  37.         time.sleep(1)
  38.         fbuf.fill(0)
  39.  
  40. write_neo("HALLO")
RAW Paste Data
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. OK, I Understand
 
Top