From 72bc864565d2c6fb6242d7739f48932ca407d077 Mon Sep 17 00:00:00 2001
From: Roman Zeyde <roman.zeyde@gmail.com>
Date: Mon, 21 Jul 2014 12:11:39 +0300
Subject: [PATCH] move file loading to recv.detect()

---
 recv.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/recv.py b/recv.py
index fb77a9b..dcf1a82 100755
--- a/recv.py
+++ b/recv.py
@@ -27,7 +27,8 @@ CARRIER_DURATION = sum(train.prefix)
 CARRIER_THRESHOLD = int(0.95 * CARRIER_DURATION)
 
 
-def detect(x, freq):
+def detect(fd, freq):
+    _, x = load(fd)
     counter = 0
     for offset, buf in iterate(x, Nsym):
         coeff = sigproc.coherence(buf, Fc)
@@ -216,8 +217,7 @@ def main(fname):
 
     log.info('Running MODEM @ {:.1f} kbps'.format(sigproc.modem_bps / 1e3))
 
-    _, x = load(open(fname, 'rb'))
-    y = detect(x, Fc)
+    y = detect(open(fname, 'rb'), Fc)
     if y is None:
         log.warning('No carrier detected')
         return