1 files changed, 20 insertions, 4 deletions
diff --git a/util/PacketComposition.py b/util/PacketComposition.py
index c4fcdc3..75ef917 100644
--- a/util/PacketComposition.py
+++ b/util/PacketComposition.py
@@ -5,7 +5,8 @@ PORTOUT = 0x0108
 UNI = 0
 import pdb
 import util.TimeOps as timeops
-argDict = {'flags': 0, 'startcode': 0, 'pad':0}
+argDict = {'flags': 0, 'startcode': 0x0fff, 'pad':0}
+
 def composePixelStripData(pixelStrip,currentTime=timeops.time()):
     packet = bytearray()
     for light in pixelStrip:
@@ -19,6 +20,7 @@ def composePixelStripData(pixelStrip,currentTime=timeops.time()):
 #color = pixelStrip.pixels[i].state()
 #packet[i:i+2] = color
 #    return bytearray(packet)
+
 cache = {}
 def memoize(f):
     def helper(x):
@@ -26,20 +28,23 @@ def memoize(f):
             cache[x] = f(x)
         return cache[x]
     return helper
+
 @memoize
 def cachePacketHeader(port):
     packet = bytearray()
     subDict = dict(argDict)
-    subDict['len'] = 38500 #I have no idea why this works.
+    subDict['len'] = 150 #I have no idea why this works.
     subDict['port'] = port
     packet.extend(portOutPacket(subDict))
-    packet.append(0x0)
+#    packet.append(0x0)
     return packet
+
 def composePixelStripPacket(pixelStrip,port, currentTime):
     packet = bytearray(cachePacketHeader(port))
     data = composePixelStripData(pixelStrip, currentTime)
     packet.extend(data)
     return packet
+
 def packheader():
     header = bytearray()
     header.extend(struct.pack('L', MAGIC))
@@ -47,18 +52,29 @@ def packheader():
     header.extend(struct.pack('H', PORTOUT))
     header.extend(struct.pack('L', 0))
     return header
+
 def portOut():
     header = packheader()
     header.extend(struct.pack('L', UNI))
     return header
+
 def portOutPayload(argDict):
     payload = bytearray()
     payload.extend(struct.pack('B', argDict['port']))
+    payload.extend(struct.pack('B',0))
     payload.extend(struct.pack('H', argDict['flags']))
-    #payload.append(0x00) #somepadding? lolwtf.
     payload.extend(struct.pack('H', argDict['len']))
     payload.extend(struct.pack('H', argDict['startcode']))
     return payload
+def composeSynchPacket():
+    header = bytearray()
+    header.extend(struct.pack('L', MAGIC))
+    header.extend(struct.pack('H', VERSION))
+    header.extend(struct.pack('H', 0x0109))
+    header.extend(struct.pack('L', 0))
+    header.extend(struct.pack('L', 0))
+    return header
+
 def portOutPacket(payloadArgs):
     packet = bytearray()
     packet.extend(portOut())