Mercurial > pygar

     1 import FIFO::*;

     2 import FIFOF::*;

     3 import Clocks::*;

     4 import GetPut::*;

     5 

     6 function FIFO#(fifo_type) guardedfifofToFifo( FIFOF#(fifo_type) fifo);

     7 

     8  FIFO#(fifo_type) f = interface FIFO#(fifo_type);

     9                           method first = fifo.first;

    10                           method enq = fifo.enq;

    11                           method deq = fifo.deq;

    12                           method clear = fifo.clear;

    13                       endinterface;                         

    14   return f;

    15 endfunction

    16 

    17 function Get#(fifo_type) syncFifoToGet( SyncFIFOIfc#(fifo_type) fifo);

    18   Get#(fifo_type) f = interface Get#(fifo_type);

    19                         method ActionValue#(fifo_type) get();

    20                           fifo.deq;

    21                           return fifo.first;

    22                         endmethod

    23                       endinterface;

    24   return f; 

    25 endfunction

    26 

    27 function Put#(fifo_type) syncFifoToPut( SyncFIFOIfc#(fifo_type) fifo);

    28   Put#(fifo_type) f = interface Put#(fifo_type);

    29                         method Action put(fifo_type data);

    30                           fifo.enq(data);

    31                         endmethod

    32                       endinterface; 

    33   return f;

    34 endfunction

    35 

    36 function String fifofState(FIFOF#(data) fifo);

    37    String s = "";

    38 

    39    if(!fifo.notEmpty)

    40      begin

    41        s = "Empty";

    42      end

    43    else if (!fifo.notFull)

    44      begin

    45        s = "Full";

    46      end

    47    else

    48      begin

    49        s = "Neither Empty Nor Full";

    50      end

    51 

    52   return s;

    53 endfunction

    54
author	rlm
date	Tue, 04 May 2010 22:32:52 -0400
parents	74716e9a81cc
children