mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-12-14 20:20:35 +00:00
117 lines
3.1 KiB
C++
117 lines
3.1 KiB
C++
/*!
|
|
* \file raw_array_impl.h
|
|
* \brief GNU Radio source block to acces to experimental GNSS Array platform.
|
|
* \author Javier Arribas, 2014. jarribas(at)cttc.es
|
|
*
|
|
* -------------------------------------------------------------------------
|
|
*
|
|
* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
|
|
*
|
|
* GNSS-SDR is a software defined Global Navigation
|
|
* Satellite Systems receiver
|
|
*
|
|
* This file is part of GNSS-SDR.
|
|
*
|
|
* GNSS-SDR 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 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* -------------------------------------------------------------------------
|
|
*/
|
|
|
|
|
|
#ifndef INCLUDED_DBFCTTC_RAW_ARRAY_IMPL_H
|
|
#define INCLUDED_DBFCTTC_RAW_ARRAY_IMPL_H
|
|
|
|
#include <dbfcttc/raw_array.h>
|
|
//#include <boost/thread/mutex.hpp>
|
|
#include <boost/thread.hpp>
|
|
#include <pcap.h>
|
|
|
|
namespace gr {
|
|
namespace dbfcttc {
|
|
|
|
class raw_array_impl : public raw_array
|
|
{
|
|
private:
|
|
//omni_mutex d_mutex; // no longer available in GNU Radio
|
|
boost::mutex d_mutex;
|
|
|
|
pcap_t* descr; //ethernet pcap device descriptor
|
|
int fifo_pipe[2];
|
|
|
|
gr_complex **fifo_buff_ch;
|
|
|
|
int fifo_read_ptr;
|
|
int fifo_write_ptr;
|
|
int fifo_items;
|
|
|
|
const char *d_src_device;
|
|
short d_number_of_channels;
|
|
int d_snapshots_per_frame;
|
|
int d_inter_frame_delay;
|
|
int d_sampling_freq;
|
|
|
|
bool flag_16_bits_sample;
|
|
bool d_flag_start_frame;
|
|
bool d_fifo_full;
|
|
|
|
int d_last_frame_counter;
|
|
int d_num_rx_errors;
|
|
|
|
|
|
boost::thread *d_pcap_thread;
|
|
/*!
|
|
* \brief
|
|
* Opens the ethernet device using libpcap raw capture mode
|
|
* If any of these fail, the fuction retuns the error and exits.
|
|
*/
|
|
bool open();
|
|
/*!
|
|
* \brief
|
|
* Configure the Array hardware platform with the selected parameters. Uses the same ethernet connection
|
|
*/
|
|
bool configure_array();
|
|
/*!
|
|
* \brief
|
|
* Start the array operation. Uses the same ethernet connection
|
|
*/
|
|
bool start_array();
|
|
/*!
|
|
* \brief
|
|
* Stop the array operation. Uses the same ethernet connection
|
|
*/
|
|
bool stop_array();
|
|
|
|
void my_pcap_loop_thread(pcap_t *pcap_handle);
|
|
|
|
void pcap_callback(u_char *args, const struct pcap_pkthdr* pkthdr, const u_char* packet);
|
|
|
|
static void static_pcap_callback(u_char *args, const struct pcap_pkthdr* pkthdr, const u_char* packet);
|
|
|
|
|
|
public:
|
|
raw_array_impl(const char *src_device,short number_of_channels, int snapshots_per_frame, int inter_frame_delay, int sampling_freq);
|
|
~raw_array_impl();
|
|
|
|
// Where all the action really happens
|
|
int work(int noutput_items,
|
|
gr_vector_const_void_star &input_items,
|
|
gr_vector_void_star &output_items);
|
|
};
|
|
|
|
} // namespace dbfcttc
|
|
} // namespace gr
|
|
|
|
#endif /* INCLUDED_DBFCTTC_RAW_ARRAY_IMPL_H */
|
|
|