Merged features/inband-usb r5224:6306 into trunk.

This is work-in-progress on inband signaling for the USRP1.


git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@6307 221aa14e-8319-0410-a670-987f0aec2ac5

1 files changed, 71 insertions, 0 deletions

diff --git a/usrp/host/lib/inband/usrp_rx_stub.h b/usrp/host/lib/inband/usrp_rx_stub.h
new file mode 100644
index 000000000..483af5b48
--- /dev/null
+++ b/usrp/host/lib/inband/usrp_rx_stub.h
@@ -0,0 +1,71 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2007 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef INCLUDED_USRP_RX_STUB_H
+#define INCLUDED_USRP_RX_STUB_H
+
+#include <mb_mblock.h>
+#include <vector>
+#include "usrp_standard.h"
+#include "ui_nco.h"
+#include <fstream>
+#include <queue>
+#include <usrp_inband_usb_packet.h>
+
+typedef usrp_inband_usb_packet transport_pkt;
+
+extern bool usrp_rx_stop;   // used to communicate a 'stop' to the RX stub
+extern std::queue<pmt_t> d_cs_queue;
+
+/*!
+ * \brief Implements the low level usb interface to the USRP
+ */
+class usrp_rx_stub : public mb_mblock
+{
+ public:
+
+  mb_port_sptr	d_cs;
+  usrp_standard_rx* d_urx;
+  
+  long		d_samples_per_frame;
+  
+  // for generating sine wave output
+  ui_nco<float,float>	d_nco;
+  double	        d_amplitude;
+
+  bool d_disk_write;
+
+  std::ofstream d_ofile;
+  
+ public:
+  usrp_rx_stub(mb_runtime *rt, const std::string &instance_name, pmt_t user_arg);
+  ~usrp_rx_stub();
+  void initial_transition();
+  void handle_message(mb_message_sptr msg);
+
+ private:
+  void read_and_respond(pmt_t data);
+  void read_data();
+ 
+};
+  
+
+#endif /* INCLUDED_USRP_RX_H */
+