#author("2020-06-03T00:39:48+09:00","default:TeleportDresser","TeleportDresser") [[TeleportDresser]] #code(Python){{ # coding: utf-8 from PIL import Image import smbus import time import sys import requests off_x=0 off_y=0 imax=75 jmax=16 print( 'number of arguments:', len(sys.argv), 'arguments.') arglist = sys.argv print( 'Argument List:', sys.argv) url=arglist[1] print( 'url=', url) #url = "url of the target image" if url.endswith(".jpg"): file_name = "ex3.jpg" elif url.endswith(".png"): file_name = "ex3.png" elif url.endswith(".svg"): file_name = "ex3.svg" elif url.endswith(".JPG"): file_name = "ex3.jpg" elif url.endswith(".PNG"): file_name = "ex3.png" response = requests.get(url) image = response.content with open(file_name, "wb") as aaa: aaa.write(image) img = Image.open(file_name) img_width, img_height = img.size print('width:',img_width) print('height:',img_height) dx=img_width/jmax dy=img_height/imax i2c = smbus.SMBus(1) # 注:ラズパイのI2Cポート # # command: # clear... 0x00 # show ... 0x01 # set1 ix,iy,r,g,b # ... 0x02 *,*, *,*,* # setn ix,iy,n, r0,g0,b0, ..r(n-1),g(n-1),b(n-1) n<=8 # ... 0x03 *,*, *, *,*,*, ..., *,*,* # pixels=[[(0,0,0) for j in range(jmax)] for i in range(imax)] addrs = [0x30,0x31,0x32,0x33] fourpix=[0x00, 0x00, 0x04, 0,0,0, 0,0,0, 0,0,0, 0,0,0] for i in range(imax): for j in range(jmax): x=off_x+j*dx y=off_y+i*dy rgb=img.getpixel((x,y)) pixels[i][j]=rgb i2c.write_byte(addrs[0],0x00) i2c.write_byte(addrs[1],0x00) i2c.write_byte(addrs[2],0x00) i2c.write_byte(addrs[3],0x00) for i in range(imax): for j in range(4): for k in range(4): p=pixels[i][4*j+k] fourpix[3+k*3+0]=p[0] fourpix[3+k*3+1]=p[1] fourpix[3+k*3+2]=p[2] fourpix[0]=i; fourpix[1]=0; i2c_addr=addrs[j] try: i2c.write_i2c_block_data(i2c_addr,0x03,fourpix) except: print('i2c write error at:(',i,',',j,')') time.sleep(0.0005) i2c.write_byte(addrs[0],0x01) i2c.write_byte(addrs[1],0x01) i2c.write_byte(addrs[2],0x01) i2c.write_byte(addrs[3],0x01) }}