tools/mainhall-rgb.py

   1 #!/usr/bin/env python3
   2
   3 import time
   4 import copy
   5 import json
   6 import requests
   7 from pylibcerebrum.serial_mux import SerialMux
   8
   9 BASE_URI        ='http://10.0.1.43/dmxacl/json/'
  10 PORT            = '/dev/serial/by-id/usb-FTDI_FT232R_USB_UART_A700fmkX-if00-port0'
  11 BAUDRATE        = 57600
  12 GAMMA           = 2.5
  13
  14 s = SerialMux(PORT, BAUDRATE)
  15 print('discovering cerebrum devices')
  16 results = []
  17 while not results:
  18         results = s.discover()
  19 print(results)
  20 print('opening first device')
  21 g = s.open(0)
  22 print('initializing device')
  23 print(dir(g))
  24 g.schnurlinks.state = 1
  25 g.schnurmitte.state = 1
  26 g.schnurrechts.state = 1
  27 print('starting event loop')
  28
  29 def xform(o, i):
  30         c                       = (o/255)**(1/GAMMA) #inverse gamma correction
  31         c                       = round(c*4)
  32         c                       = (c+i)%5
  33         c                       = c/4
  34         return            round((c**GAMMA)*255)
  35
  36 def inc_color(r,g,b):
  37         state = requests.post(BASE_URI, data='{"method": "lightSync.pull", "params": [], "id": 0}').json()['result']
  38         for v in state:
  39                 v['red']        = xform(v['red'], r)
  40                 v['green']      = xform(v['green'], g)
  41                 v['blue']       = xform(v['blue'], b)
  42         requests.post(BASE_URI, data=json.dumps({'method': 'lightSync.push', 'params': [state], 'id': 0}))
  43
  44 oldstate = None
  45 sr, sg, sb = False, False, False
  46 while 1:
  47         if g.schnurlinks.state:
  48                 if sr:
  49                         inc_color(1,0,0)
  50                 sr = False
  51         else:
  52                 sr = True
  53         if g.schnurmitte.state:
  54                 if sg:
  55                         inc_color(0,1,0)
  56                 sg = False
  57         else:
  58                 sg = True
  59         if g.schnurrechts.state:
  60                 if sb:
  61                         inc_color(0,0,1)
  62                 sb = False
  63         else:
  64                 sb = True
  65         time.sleep(0.1)
  66