DemapperTest.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 Complex::*;
- import Controls::*;
- import DataTypes::*;
- import FixedPoint::*;
- import FPComplex::*;
- import GetPut::*;
- import Interfaces::*;
- import Vector::*;
- import Demapper::*;
- import Mapper::*;
- function t idFunc (t in);
- return in;
- endfunction
- (* synthesize *)
- module mkDemapperTest(Empty);
-
- // state elements
- Mapper#(Modulation,12,48,2,14) mapper <- mkMapper(idFunc, False);
- Demapper#(Modulation,48,12,2,14,Bit#(3)) demapper;
- demapper <- mkDemapper(idFunc, False);
- Reg#(Bit#(4)) ctrl <- mkReg(1);
- Reg#(Bit#(12)) data <- mkReg(0);
- Reg#(Bit#(8)) cntr <- mkReg(0);
- Reg#(Bit#(32)) cycle <- mkReg(0);
-
- rule putMapperNewCtrl(cntr==0);
- let newCtrl = (ctrl == 8) ? 1 : ctrl << 1;
- let newCntr = case (unpack(newCtrl))
- BPSK: 3;
- QPSK: 7;
- QAM_16: 15;
- QAM_64: 23;
- endcase;
- let mesg = Mesg { control: unpack(newCtrl),
- data: data};
- mapper.in.put(mesg);
- ctrl <= newCtrl;
- cntr <= newCntr;
- data <= data + 1;
- $display("Mapper input: ctrl = %d, data:%b",newCtrl,data);
- endrule
-
- rule putMapperInput(cntr > 0);
- let mesg = Mesg { control: unpack(ctrl),
- data: data};
- mapper.in.put(mesg);
- cntr <= cntr - 1;
- data <= data + 1;
- $display("Mapper input: ctrl = %d, data:%b",ctrl,data);
- endrule
- rule getMapperOutput(True);
- let mesg <- mapper.out.get;
- demapper.in.put(mesg);
- $display("Mapper output: ctrl = %d, data: %h",mesg.control,mesg.data);
- endrule
-
- rule getDemapperOutput(True);
- let mesg <- demapper.out.get;
- $display("Demapper output: ctrl = %d, data: %b",mesg.control,mesg.data);
- endrule
-
- rule tick(True);
- cycle <= cycle + 1;
- if (cycle == 100000)
- $finish;
- $display("Cycle: %d",cycle);
- endrule
-
- endmodule