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comparison modules/bluespec/Pygar/lab4/FIFOUtility.bsv @ 8:74716e9a81cc pygar svn.9

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[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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7:7393cd19371e 8:74716e9a81cc
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