From 7c23fd43214e8a729b3022db281dc85040f0e749 Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Fri, 26 Feb 2010 15:17:38 -0800
Subject: Created simple source (with nothing in it) and some swig build stuff.
Seems to work and compile
---
gr-uhd/lib/uhd_simple_source.cc | 81 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 81 insertions(+)
create mode 100644 gr-uhd/lib/uhd_simple_source.cc
(limited to 'gr-uhd/lib/uhd_simple_source.cc')
diff --git a/gr-uhd/lib/uhd_simple_source.cc b/gr-uhd/lib/uhd_simple_source.cc
new file mode 100644
index 0000000000..588b276278
--- /dev/null
+++ b/gr-uhd/lib/uhd_simple_source.cc
@@ -0,0 +1,81 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2010 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.
+ */
+
+#include <uhd_simple_source.h>
+#include <gr_io_signature.h>
+#include <stdexcept>
+
+/***********************************************************************
+ * Helper Functions
+ **********************************************************************/
+static gr_io_signature_sptr make_io_sig(const std::string &type){
+ if(type == "32fc"){
+ return gr_make_io_signature(1, 1, sizeof(std::complex<float>));
+ }
+ if(type == "16sc"){
+ return gr_make_io_signature(1, 1, sizeof(std::complex<short>));
+ }
+ throw std::runtime_error("unknown type");
+}
+
+/***********************************************************************
+ * Make UHD Source
+ **********************************************************************/
+boost::shared_ptr<uhd_simple_source> uhd_make_simple_source(
+ const uhd::device_addr_t &addr,
+ const std::string &type
+){
+ return boost::shared_ptr<uhd_simple_source>(
+ new uhd_simple_source(addr, type)
+ );
+}
+
+/***********************************************************************
+ * UHD Source
+ **********************************************************************/
+uhd_simple_source::uhd_simple_source(
+ const uhd::device_addr_t &addr,
+ const std::string &type
+) : gr_sync_block(
+ "uhd source",
+ gr_make_io_signature(0, 0, 0),
+ make_io_sig(type)
+){
+ _type = type;
+ _dev = uhd::device::make(addr);
+}
+
+uhd_simple_source::~uhd_simple_source(void){
+ /* NOP */
+}
+
+/***********************************************************************
+ * Work
+ **********************************************************************/
+int uhd_simple_source::work(
+ int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items
+){
+ uhd::metadata_t metadata;
+ return _dev->recv(boost::asio::buffer(output_items[0], noutput_items), metadata, _type);
+}
--
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