Subversion Repositories s6soc

//

//

// Filename:    uartsim.h

//

// Project:     FPGA library development (S6 development board)

//

// Purpose:     To emulate the external parameters of a UART device, providing

//              the UART output to, and input from, the command

//              console/terminal while also providing the controller with

//              appropriate busy lines as necessary.

//

// Creator:     Dan Gisselquist

//              Gisselquist Tecnology, LLC

//

// Copyright:   2016

//

//

#include <unistd.h>

class   UARTSIM {

private:

        int     m_tx_busy_count, m_baud_counts, m_rx_busy_count;

        int     m_fdin, m_fdout;

        char    m_rx_next, m_tx_data;

public:

        UARTSIM(int baud_counts, int fdin = STDIN_FILENO,

                        int fdout=STDOUT_FILENO);

        int     rx(unsigned char &data);

        int     tx(int stb, char data);

};