initial commit

artnet.py

@@ -0,0 +1,15 @@
+def buildPacket(universe, dimmer, dmxdata):
+    # Stolen from fire-ohmlogo.py by OHM2013
+    size = len(dmxdata) * 3
+    #              01234567   8   9   a   b   c   d   e   f   10  11
+    #                         op-code protver seq phy universe len
+    data = bytearray("Art-Net\x00\x00\x50\x00\x0e\x00\x00",'ascii')
+    data.append(int(universe % 256))
+    data.append(int(universe / 256))
+    data.append(int(size / 256))
+    data.append(int(size % 256))
+    for (r, g, b) in dmxdata:
+        data.append(int(dimmer*r/255))
+        data.append(int(dimmer*g/255))
+        data.append(int(dimmer*b/255))
+    return data