3 * Copyright 2007 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #ifndef INCLUDED_USRP_RX_STUB_H
22 #define INCLUDED_USRP_RX_STUB_H
24 #include <mb_mblock.h>
26 #include "usrp_standard.h"
30 #include <usrp_inband_usb_packet.h>
32 typedef usrp_inband_usb_packet transport_pkt;
34 extern bool usrp_rx_stop; // used to communicate a 'stop' to the RX stub
35 extern std::queue<pmt_t> d_cs_queue;
38 * \brief Implements the low level usb interface to the USRP
40 class usrp_rx_stub : public mb_mblock
45 usrp_standard_rx* d_urx;
47 long d_samples_per_frame;
49 // for generating sine wave output
50 ui_nco<float,float> d_nco;
55 std::ofstream d_ofile;
58 usrp_rx_stub(mb_runtime *rt, const std::string &instance_name, pmt_t user_arg);
60 void initial_transition();
61 void handle_message(mb_message_sptr msg);
64 void read_and_respond(pmt_t data);
70 #endif /* INCLUDED_USRP_RX_H */