Decoder.bsv
上传用户:aoptech
上传日期:2014-09-22
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文件大小:3k
- //----------------------------------------------------------------------//
- // The MIT License
- //
- // Copyright (c) 2007 Alfred Man Cheuk Ng, mcn02@mit.edu
- //
- // Permission is hereby granted, free of charge, to any person
- // obtaining a copy of this software and associated documentation
- // files (the "Software"), to deal in the Software without
- // restriction, including without limitation the rights to use,
- // copy, modify, merge, publish, distribute, sublicense, and/or sell
- // copies of the Software, and to permit persons to whom the
- // Software is furnished to do so, subject to the following conditions:
- //
- // The above copyright notice and this permission notice shall be
- // included in all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- // OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- // OTHER DEALINGS IN THE SOFTWARE.
- //----------------------------------------------------------------------//
- import Controls::*;
- import DataTypes::*;
- import Interfaces::*;
- import Parameters::*;
- import GetPut::*;
- import Connectable::*;
- import Viterbi::*;
- import Depuncturer::*;
- (* synthesize *)
- module mkDepuncturerInstance
- (Depuncturer#(RXGlobalCtrl,DepuncturerInDataSz,
- DepuncturerOutDataSz,DepuncturerInBufSz,
- DepuncturerOutBufSz));
- function DepunctData#(DepuncturerF1OutSz) dpp1
- (DepunctData#(DepuncturerF1InSz) x);
- return parDepunctFunc(dp1,x);
- endfunction
-
- function DepunctData#(DepuncturerF2OutSz) dpp2
- (DepunctData#(DepuncturerF2InSz) x);
- return parDepunctFunc(dp2,x);
- endfunction
-
- function DepunctData#(DepuncturerF3OutSz) dpp3
- (DepunctData#(DepuncturerF3InSz) x);
- return parDepunctFunc(dp3,x);
- endfunction
-
- Depuncturer#(RXGlobalCtrl,DepuncturerInDataSz,
- DepuncturerOutDataSz,DepuncturerInBufSz,
- DepuncturerOutBufSz) depuncturer;
- depuncturer <- mkDepuncturer(puncturerMapCtrl,dpp1,dpp2,dpp3);
- return depuncturer;
- endmodule
- (* synthesize *)
- module mkViterbiInstance(Viterbi#(RXGlobalCtrl,ViterbiInDataSz,
- ViterbiOutDataSz));
- Viterbi#(RXGlobalCtrl,ViterbiInDataSz,ViterbiOutDataSz) viterbi;
- viterbi <- mkViterbi;
- return viterbi;
- endmodule
- module mkDecoder(Decoder#(RXGlobalCtrl,DecoderInDataSz,ViterbiMetric,
- DecoderOutDataSz,Bit#(1)));
- // state elements
- let depuncturer <- mkDepuncturerInstance;
- let viterbi <- mkViterbiInstance;
-
- // connections
- mkConnection(depuncturer.out,viterbi.in);
-
- // methods
- interface in = depuncturer.in;
- interface out = viterbi.out;
- endmodule