mirror of https://github.com/gnss-sdr/gnss-sdr
93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
/*!
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* \file gnss_sdr_fpga_sample_counter.h
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* \brief Simple block to report the current receiver time based on the output
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* of the tracking or telemetry blocks
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* \author Javier Arribas 2018. jarribas(at)cttc.es
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*
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*
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* -----------------------------------------------------------------------------
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*
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* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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* This file is part of GNSS-SDR.
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*
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* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* -----------------------------------------------------------------------------
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*/
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#ifndef GNSS_SDR_GNSS_SDR_FPGA_SAMPLE_COUNTER_H
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#define GNSS_SDR_GNSS_SDR_FPGA_SAMPLE_COUNTER_H
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#include "gnss_block_interface.h"
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#include <gnuradio/block.h>
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#include <gnuradio/types.h> // for gr_vector_const_void_star
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#include <cstdint>
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#include <string>
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/** \addtogroup Core
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* \{ */
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/** \addtogroup Core_Receiver_Library
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* \{ */
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class gnss_sdr_fpga_sample_counter;
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using gnss_sdr_fpga_sample_counter_sptr = gnss_shared_ptr<gnss_sdr_fpga_sample_counter>;
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gnss_sdr_fpga_sample_counter_sptr gnss_sdr_make_fpga_sample_counter(double _fs, int32_t _interval_ms);
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class gnss_sdr_fpga_sample_counter : public gr::block
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{
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public:
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~gnss_sdr_fpga_sample_counter();
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int general_work(int noutput_items,
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gr_vector_int &ninput_items,
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gr_vector_const_void_star &input_items,
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gr_vector_void_star &output_items);
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private:
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const std::string device_name = "counter"; // UIO device name
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static const uint32_t FPGA_PAGE_SIZE = 0x1000; // default page size for the multicorrelator memory map
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static const uint32_t test_reg_sanity_check = 0x55AA; // value to check the presence of the test register (to detect the hw)
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friend gnss_sdr_fpga_sample_counter_sptr gnss_sdr_make_fpga_sample_counter(double _fs, int32_t _interval_ms);
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gnss_sdr_fpga_sample_counter(double _fs, int32_t _interval_ms);
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uint32_t test_register(uint32_t writeval);
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void configure_samples_per_output(uint32_t interval);
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void close_device(void);
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void open_device(void);
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bool start();
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bool stop();
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void wait_for_interrupt(void) const;
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volatile uint32_t *map_base; // driver memory map
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double fs;
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uint64_t sample_counter;
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uint64_t last_sample_counter;
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uint64_t current_T_rx_ms; // Receiver time in ms since the beginning of the run
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uint32_t samples_per_output;
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uint32_t samples_per_report;
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uint32_t interval_ms;
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uint32_t current_s; // Receiver time in seconds, modulo 60
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uint32_t current_m; // Receiver time in minutes, modulo 60
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uint32_t current_h; // Receiver time in hours, modulo 24
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uint32_t current_days; // Receiver time in days since the beginning of the run
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int32_t report_interval_ms;
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int32_t fd; // driver descriptor
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bool flag_enable_send_msg;
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bool flag_m; // True if the receiver has been running for at least 1 minute
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bool flag_h; // True if the receiver has been running for at least 1 hour
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bool flag_days; // True if the receiver has been running for at least 1 day
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bool is_open;
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};
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/** \} */
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/** \} */
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#endif // GNSS_SDR_GNSS_SDR_FPGA_SAMPLE_COUNTER_H
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