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/*
 Asynchronous SDM NoC
 (C)2011 Wei Song
 Advanced Processor Technologies Group
 Computer Science, the Univ. of Manchester, UK
 
 Authors: 
 Wei Song     wsong83@gmail.com
 
 License: LGPL 3.0 or later
 
 A SystemC network adapter/interface for NoC simulation.
 
 History:
 20/08/2008  Initial version. <wsong83@gmail.com>
 30/09/2010  Use template style packet definition. <wsong83@gmail.com>
 16/10/2010  Support SDM. <wsong83@gmail.com>
 30/05/2011  Clean up for opensource. <wsong83@gmail.com>
 
*/
 
#ifndef NETWORK_ADAPTER_H_
#define NETWORK_ADAPTER_H_
 
#include "define.h"
#include <systemc.h>
 
SC_MODULE(Network_Adapter)
{
 
public:
    SC_HAS_PROCESS(Network_Adapter);
    Network_Adapter(
             sc_module_name     name // module name
            ,unsigned int       x    // location x
            ,unsigned int       y    // location y
        );
    ~Network_Adapter();
 
    // interface with processor
    sc_port<sc_fifo_in_if<FRAME> >      frame_in; // frame for transmission
    sc_port<sc_fifo_out_if<FRAME> >     frame_out; // frame for receiving
 
    // interface with router
    sc_port<sc_fifo_in_if<FLIT> > IP [SubChN]; // input port from IO driver
    sc_port<sc_fifo_out_if<FLIT> > OP [SubChN];	// output port to IO driver
 
private:
    unsigned int loc_x,loc_y; // location information
 
    // functional thread
    void ibuffer_thread(unsigned int); // input buffer respond thread
    void obuffer_thread(unsigned int); // output buffer respond thread
 
    // other functions
    bool check_frame(const FRAME& frame); // check the correctness of frame received
};
 
#endif /*NETWORK_ADAPTER_H_*/