mixed_signal_source_impl.h

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/* -*- c++ -*- */
/*
 * Copyright 2022 Analog Devices Inc..
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */
 
#ifndef INCLUDED_M2K_MIXED_SIGNAL_SOURCE_IMPL_H
#define INCLUDED_M2K_MIXED_SIGNAL_SOURCE_IMPL_H
 
#include <gnuradio/m2k/mixed_signal_source.h>
 
#include <libm2k/analog/m2kanalogin.hpp>
#include <libm2k/digital/m2kdigital.hpp>
#include <condition_variable>
#include <thread>
#include <vector>
#include <ctype.h>
#include <mutex>
 
namespace gr {
  namespace m2k {
 
    class mixed_signal_source_impl : public mixed_signal_source
    {
    public: // gr block api
            mixed_signal_source_impl(libm2k::context::M2k *context, int buffer_size, double data_rate, int kb);
            ~mixed_signal_source_impl();
 
            bool start() override;
            bool stop() override;
 
            int work(int noutput_items,
                             gr_vector_const_void_star &input_items,
                             gr_vector_void_star &output_items) override;
 
    public: // mixed_signal_source api
            void set_timeout_ms(unsigned int timeout) override;
            void set_buffer_size(int buffer_size) override;
            void set_data_rate(double rate) override;
 
    private: // private methods
            void restart();
            void refill_buffer();
 
    private:
            libm2k::context::M2k *d_m2k_context;
            libm2k::analog::M2kAnalogIn *d_analog_in;
            libm2k::digital::M2kDigital *d_digital_in;
 
            const short *d_analog_raw;
            const unsigned short *d_digital_raw;
 
            int d_timeout;
            int d_buffer_size;
            int d_items_in_buffer;
            int d_current_index;
            double d_data_rate;
 
            int d_kernel_buffers;
 
            pmt::pmt_t d_port_id;
 
            std::mutex d_m2k_mutex;
            std::condition_variable d_m2k_cond, d_m2k_cond2;
            bool d_please_refill_buffer, d_thread_stopped;
            std::thread d_refill_thd;
 
            int d_current_captured_buffer;
 
 
    };
 
  } // namespace m2k
} // namespace gr
 
#endif /* INCLUDED_M2K_MIXED_SIGNAL_SOURCE_IMPL_H */