annotate 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
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rlm@8 1 import FIFO::*;
rlm@8 2 import FIFOF::*;
rlm@8 3 import Clocks::*;
rlm@8 4 import GetPut::*;
rlm@8 5
rlm@8 6 function FIFO#(fifo_type) guardedfifofToFifo( FIFOF#(fifo_type) fifo);
rlm@8 7
rlm@8 8 FIFO#(fifo_type) f = interface FIFO#(fifo_type);
rlm@8 9 method first = fifo.first;
rlm@8 10 method enq = fifo.enq;
rlm@8 11 method deq = fifo.deq;
rlm@8 12 method clear = fifo.clear;
rlm@8 13 endinterface;
rlm@8 14 return f;
rlm@8 15 endfunction
rlm@8 16
rlm@8 17 function Get#(fifo_type) syncFifoToGet( SyncFIFOIfc#(fifo_type) fifo);
rlm@8 18 Get#(fifo_type) f = interface Get#(fifo_type);
rlm@8 19 method ActionValue#(fifo_type) get();
rlm@8 20 fifo.deq;
rlm@8 21 return fifo.first;
rlm@8 22 endmethod
rlm@8 23 endinterface;
rlm@8 24 return f;
rlm@8 25 endfunction
rlm@8 26
rlm@8 27 function Put#(fifo_type) syncFifoToPut( SyncFIFOIfc#(fifo_type) fifo);
rlm@8 28 Put#(fifo_type) f = interface Put#(fifo_type);
rlm@8 29 method Action put(fifo_type data);
rlm@8 30 fifo.enq(data);
rlm@8 31 endmethod
rlm@8 32 endinterface;
rlm@8 33 return f;
rlm@8 34 endfunction
rlm@8 35
rlm@8 36 function String fifofState(FIFOF#(data) fifo);
rlm@8 37 String s = "";
rlm@8 38
rlm@8 39 if(!fifo.notEmpty)
rlm@8 40 begin
rlm@8 41 s = "Empty";
rlm@8 42 end
rlm@8 43 else if (!fifo.notFull)
rlm@8 44 begin
rlm@8 45 s = "Full";
rlm@8 46 end
rlm@8 47 else
rlm@8 48 begin
rlm@8 49 s = "Neither Empty Nor Full";
rlm@8 50 end
rlm@8 51
rlm@8 52 return s;
rlm@8 53 endfunction
rlm@8 54