--- a/server/ts.py	Wed Jun 06 23:05:35 2012 +0800
+++ b/server/ts.py	Thu Jun 07 20:26:50 2012 +0800
@@ -15,7 +15,7 @@
 import time
 import traceback
 
-from utils import monotonic_time, retry, readline
+from utils import monotonic_time, retry, readline, crc16
 
 lightblue = None
 try:
@@ -36,23 +36,6 @@
 
     return s
 
-# from http://blog.stalkr.net/2011/04/pctf-2011-32-thats-no-bluetooth.html
-def crc16(buff, crc = 0, poly = 0x8408):
-    l = len(buff)
-    i = 0
-    while i < l:
-        ch = ord(buff[i])
-        uc = 0
-        while uc < 8:
-            if (crc & 1) ^ (ch & 1):
-                crc = (crc >> 1) ^ poly
-            else:
-                crc >>= 1
-            ch >>= 1
-            uc += 1
-        i += 1
-        return crc
-
 
 @retry()
 def fetch(sock):