diff options
Diffstat (limited to 'usrp/limbo/inband/usrp_rx_stub.h')
-rw-r--r-- | usrp/limbo/inband/usrp_rx_stub.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/usrp/limbo/inband/usrp_rx_stub.h b/usrp/limbo/inband/usrp_rx_stub.h new file mode 100644 index 000000000..238b4568f --- /dev/null +++ b/usrp/limbo/inband/usrp_rx_stub.h @@ -0,0 +1,79 @@ +/* -*- c++ -*- */ +/* + * Copyright 2007,2008 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 <mblock/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_stub; // used to communicate a 'stop' to the RX stub +extern std::queue<pmt_t> d_cs_queue; + +static pmt_t s_timeout = pmt_intern("%timeout"); +static pmt_t s_done = pmt_intern("done"); + +/*! + * \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; + long d_decim_rx; + + mb_time d_t0; + double d_delta_t; + + // 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(); + void read_data(); + void start_packet_timer(); + +}; + + +#endif /* INCLUDED_USRP_RX_H */ + |