From 1fc7c57f778a9f05ded1d216247242ee13632d03 Mon Sep 17 00:00:00 2001
From: Eric Blossom <eb@comsec.com>
Date: Mon, 10 May 2010 14:31:15 -0700
Subject: Add gru.hexshort to deal with short hex constants
---
gnuradio-core/src/python/gnuradio/gruimpl/hexint.py | 12 ++++++++++++
1 file changed, 12 insertions(+)
(limited to 'gnuradio-core/src/python/gnuradio')
diff --git a/gnuradio-core/src/python/gnuradio/gruimpl/hexint.py b/gnuradio-core/src/python/gnuradio/gruimpl/hexint.py
index 8d46e8192f..f2808c4489 100644
--- a/gnuradio-core/src/python/gnuradio/gruimpl/hexint.py
+++ b/gnuradio-core/src/python/gnuradio/gruimpl/hexint.py
@@ -30,3 +30,15 @@ def hexint(mask):
if mask >= 2**31:
return int(mask-2**32)
return mask
+
+def hexshort(mask):
+ """
+ Convert unsigned masks into signed shorts.
+
+ This allows us to use hex constants like 0x8000 when talking to
+ our hardware and not get screwed by them getting treated as python
+ longs.
+ """
+ if mask >= 2**15:
+ return int(mask-2**16)
+ return mask
--
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