gnss-sdr/src/algorithms/signal_source/libs/fpga_switch.h

61 lines
1.8 KiB
C++

/*!
* \file fpga_switch.h
* \brief Switch that connects the HW accelerator queues to the analog front end or the DMA.
* \authors <ul>
* <li> Marc Majoral, 2017. mmajoral(at)cttc.cat
* <li> Javier Arribas, 2016. jarribas(at)cttc.es
* </ul>
*
* Class that controls a switch in the FPGA
*
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2018 (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 <https://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_FPGA_SWITCH_H_
#define GNSS_SDR_FPGA_SWITCH_H_
#include <string>
#define MAX_LENGTH_DEVICEIO_NAME 50
class fpga_switch
{
public:
fpga_switch(const std::string& device_name);
~fpga_switch();
void set_switch_position(int switch_position);
private:
int d_device_descriptor; // driver descriptor
volatile unsigned *d_map_base; // driver memory map
// private functions
unsigned fpga_switch_test_register(unsigned writeval);
void close_device(void);
};
#endif /* GNSS_SDR_FPGA_SWITCH_H_ */