mirror of https://gerrit.osmocom.org/libusrp
80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2007,2008 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef INCLUDED_USRP_RX_STUB_H
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#define INCLUDED_USRP_RX_STUB_H
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#include <mblock/mblock.h>
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#include <vector>
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#include "usrp_standard.h"
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#include <ui_nco.h>
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#include <fstream>
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#include <queue>
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#include <usrp_inband_usb_packet.h>
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typedef usrp_inband_usb_packet transport_pkt;
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extern bool usrp_rx_stop_stub; // used to communicate a 'stop' to the RX stub
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extern std::queue<pmt_t> d_cs_queue;
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static pmt_t s_timeout = pmt_intern("%timeout");
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static pmt_t s_done = pmt_intern("done");
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/*!
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* \brief Implements the low level usb interface to the USRP
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*/
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class usrp_rx_stub : public mb_mblock
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{
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public:
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mb_port_sptr d_cs;
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usrp_standard_rx* d_urx;
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long d_samples_per_frame;
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long d_decim_rx;
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mb_time d_t0;
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double d_delta_t;
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// for generating sine wave output
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ui_nco<float,float> d_nco;
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double d_amplitude;
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bool d_disk_write;
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std::ofstream d_ofile;
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public:
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usrp_rx_stub(mb_runtime *rt, const std::string &instance_name, pmt_t user_arg);
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~usrp_rx_stub();
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void initial_transition();
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void handle_message(mb_message_sptr msg);
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private:
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void read_and_respond();
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void read_data();
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void start_packet_timer();
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};
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#endif /* INCLUDED_USRP_RX_H */
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