Subversion Repositories spdif_transmitter

#ifndef SPDIF_DECODER_H

#define SPDIF_DECODER_H

#include <systemc.h>

#define SPDIF_MAX_BITS     24

//-------------------------------------------------------------

// spdif_decoder: Decoder for SPDIF signal

//-------------------------------------------------------------

SC_MODULE (spdif_decoder)

{

public:

    // Clock and Reset

    sc_in  <bool>   clk_i;

    sc_in  <bool>   rst_i;

    // I/O

    sc_in  <bool>   rx_i;

    // Constructor

    SC_HAS_PROCESS(spdif_decoder);

    spdif_decoder(sc_module_name name): sc_module(name),

                                        m_rx_fifo(1024)

    {

        m_divisor = 0;

        m_bits    = 16;

        SC_CTHREAD(input, clk_i.pos());

    }

public:

    sc_uint <SPDIF_MAX_BITS> read(void)  { return m_rx_fifo.read(); }

    bool read_ready(void)                { return m_rx_fifo.num_available() > 0; }

    void set_clock_div(int divisor)      { m_divisor = divisor; }

    void set_bit_width(int bits)         { m_bits = bits; }

private:

    void input(void);

    sc_fifo < sc_uint<SPDIF_MAX_BITS> > m_rx_fifo;

    int m_divisor;

    int m_bits;

};

#endif