Mercurial > pygar

diff modules/bluespec/Pygar/lab4/FIFOUtility.bsv @ 8:74716e9a81cc pygar svn.9
[svn r9] Pygar now has the proper directory structure to play nicely with awb. Also, the apm file for audio-core willcompile successfully.
author: rlm
date: Fri, 23 Apr 2010 02:32:05 -0400
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/modules/bluespec/Pygar/lab4/FIFOUtility.bsv	Fri Apr 23 02:32:05 2010 -0400
     1.3 @@ -0,0 +1,54 @@
     1.4 +import FIFO::*;
     1.5 +import FIFOF::*;
     1.6 +import Clocks::*;
     1.7 +import GetPut::*;
     1.8 +
     1.9 +function FIFO#(fifo_type) guardedfifofToFifo( FIFOF#(fifo_type) fifo);
    1.10 +
    1.11 + FIFO#(fifo_type) f = interface FIFO#(fifo_type);
    1.12 +                          method first = fifo.first;
    1.13 +                          method enq = fifo.enq;
    1.14 +                          method deq = fifo.deq;
    1.15 +                          method clear = fifo.clear;
    1.16 +                      endinterface;                         
    1.17 +  return f;
    1.18 +endfunction
    1.19 +
    1.20 +function Get#(fifo_type) syncFifoToGet( SyncFIFOIfc#(fifo_type) fifo);
    1.21 +  Get#(fifo_type) f = interface Get#(fifo_type);
    1.22 +                        method ActionValue#(fifo_type) get();
    1.23 +                          fifo.deq;
    1.24 +                          return fifo.first;
    1.25 +                        endmethod
    1.26 +                      endinterface;
    1.27 +  return f; 
    1.28 +endfunction
    1.29 +
    1.30 +function Put#(fifo_type) syncFifoToPut( SyncFIFOIfc#(fifo_type) fifo);
    1.31 +  Put#(fifo_type) f = interface Put#(fifo_type);
    1.32 +                        method Action put(fifo_type data);
    1.33 +                          fifo.enq(data);
    1.34 +                        endmethod
    1.35 +                      endinterface; 
    1.36 +  return f;
    1.37 +endfunction
    1.38 +
    1.39 +function String fifofState(FIFOF#(data) fifo);
    1.40 +   String s = "";
    1.41 +
    1.42 +   if(!fifo.notEmpty)
    1.43 +     begin
    1.44 +       s = "Empty";
    1.45 +     end
    1.46 +   else if (!fifo.notFull)
    1.47 +     begin
    1.48 +       s = "Full";
    1.49 +     end
    1.50 +   else
    1.51 +     begin
    1.52 +       s = "Neither Empty Nor Full";
    1.53 +     end
    1.54 +
    1.55 +  return s;
    1.56 +endfunction
    1.57 +