From 893f946b7a652497994309092fe84fb33504852c Mon Sep 17 00:00:00 2001
From: Thomas Tsou
Date: Fri, 19 Aug 2011 14:50:55 -0700
Subject: gr-uhd: add async metadata source block

Add asynchronous message "block" that is independent of normal
gnuradio scheduler. The block instantiates a thread to wait
for asynchronous messages from UHD and encapsulates them in a
gr_message posted into a message queue.

The interface is empty because the block is internally driven
and accessed through the the constructor specified message
queue.
---
 gr-uhd/include/Makefile.am          |  3 ++-
 gr-uhd/include/gr_uhd_amsg_source.h | 39 +++++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 gr-uhd/include/gr_uhd_amsg_source.h

(limited to 'gr-uhd/include')

diff --git a/gr-uhd/include/Makefile.am b/gr-uhd/include/Makefile.am
index 4a04c98c1..70b80681b 100644
--- a/gr-uhd/include/Makefile.am
+++ b/gr-uhd/include/Makefile.am
@@ -24,4 +24,5 @@ include $(top_srcdir)/Makefile.common
 grinclude_HEADERS = \
 	gr_uhd_api.h \
 	gr_uhd_usrp_source.h \
-	gr_uhd_usrp_sink.h
+	gr_uhd_usrp_sink.h \
+	gr_uhd_amsg_source.h
diff --git a/gr-uhd/include/gr_uhd_amsg_source.h b/gr-uhd/include/gr_uhd_amsg_source.h
new file mode 100644
index 000000000..bc0feb438
--- /dev/null
+++ b/gr-uhd/include/gr_uhd_amsg_source.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2011 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_GR_UHD_AMSG_SOURCE_H
+#define INCLUDED_GR_UHD_AMSG_SOURCE_H
+
+#include <gr_uhd_api.h>
+#include <uhd/usrp/multi_usrp.hpp>
+#include <gr_msg_queue.h>
+
+class uhd_amsg_source;
+
+GR_UHD_API boost::shared_ptr<uhd_amsg_source> uhd_make_amsg_source(
+    const uhd::device_addr_t &device_addr,
+    gr_msg_queue_sptr msgq
+);
+
+class GR_UHD_API uhd_amsg_source{
+};
+
+#endif /* INCLUDED_GR_UHD_AMSG_SOURCE_H */
-- 
cgit