From ee80201f80264f6f2093d57da4a0b7ea5aff30c2 Mon Sep 17 00:00:00 2001
From: Roman Zeyde <roman.zeyde@gmail.com>
Date: Wed, 16 Jul 2014 21:11:32 +0300
Subject: [PATCH] add error handler to sigproc.modulator.decode()

---
 sigproc.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sigproc.py b/sigproc.py
index 1d2c499..bce0d44 100644
--- a/sigproc.py
+++ b/sigproc.py
@@ -53,10 +53,12 @@ class QAM(object):
             s = self._enc[bits_tuple]
             yield s
 
-    def decode(self, symbols):
+    def decode(self, symbols, error_handler=None):
         for s in symbols:
             index = np.argmin(np.abs(s - self.symbols))
             S = self.symbols[index]
+            if error_handler:
+                error_handler(received=s, decoded=S)
             yield self._dec[S]
 
 modulator = QAM(common.symbols)