--- a/server/ts.py	Mon Jun 04 23:50:42 2012 +0800
+++ b/server/ts.py	Wed Jun 06 22:32:49 2012 +0800
@@ -5,6 +5,8 @@
 # time that the bluetooth takes to get going?
 EXTRA_WAKEUP = 0
 
+FETCH_TRIES = 3
+
 # avoid turning off the bluetooth etc.
 TESTING = True
 
@@ -25,11 +27,14 @@
     if lightblue:
         s = lightblue.socket()
         s.connect((addr, 1))
+        s.settimeout(3)
     else:
         s = bluetooth.BluetoothSocket( bluetooth.RFCOMM )
         s.connect((addr, 1))
 
-    s.setnonblocking(True)
+    s.setblocking(False)
+
+    time.sleep(30)
 
     return s
 
@@ -53,6 +58,7 @@
 
 @retry()
 def fetch(sock):
+    print "fetch"
     sock.send("fetch\n")
 
     crc = 0
@@ -65,7 +71,7 @@
     crc = crc16(l, crc)
     lines.append(l)
 
-    while true:
+    while True:
         l = readline(sock)
 
         crc = crc16(l, crc)
@@ -75,6 +81,8 @@
 
         lines.append(l)
 
+    print lines
+
     l = readline(sock)
     recv_crc = None
     try:
@@ -139,7 +147,7 @@
 def sleep_for(secs):
     until = monotonic_time() + secs
     while True:
-        length = until < monotonic_time()
+        length = until - monotonic_time()
         if length <= 0:
             return
         time.sleep(length)