Subversion Repositories rs_decoder_31_19_6

///*************************************************************///

///                                                             ///

///          Reed-Solomon Decoder (31,19,6)                     ///

///                                                             ///

///                                                             ///

///          Author : Rudy Dwi Putra                            ///

///                   rudy.dp@gmail.com                         ///

///                                                             ///

///*************************************************************///

///                                                             ///

/// Copyright (C) 2006  Rudy Dwi Putra                          ///

///                     rudy.dp@gmail.com                       ///

///                                                             ///

/// This source file may be used and distributed without        ///

/// restriction provided that this copyright statement is not   ///

/// removed from the file and that any derivative work contains ///

/// the original copyright notice and the associated disclaimer.///

///                                                             ///

///     THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY     ///

/// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED   ///

/// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS   ///

/// FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR      ///

/// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,         ///

/// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES    ///

/// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE   ///

/// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR        ///

/// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF  ///

/// LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT  ///

/// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT  ///

/// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE         ///

/// POSSIBILITY OF SUCH DAMAGE.                                 ///

///                                                             ///

///*************************************************************///

module RSDecoder(recword, start, clock1, clock2, reset, ready,

               errfound, decode_fail, dataoutstart, dataoutend,

               corr_recword);

input [4:0] recword;

input clock1, clock2;

input start, reset;

output ready, decode_fail, errfound, dataoutstart, dataoutend;

output [4:0] corr_recword;

wire active_sc, active_kes, active_csee, en_sccell;

wire evalsynd, holdsynd, evalerror, lastdataout;

wire shift_fifo, hold_fifo, en_infifo, en_outfifo;

wire errdetect, finish_kes;

wire [4:0] dataout_fifo, errorvalue;

wire [4:0] syndvalue0, syndvalue1, syndvalue2, syndvalue3,

           syndvalue4, syndvalue5, syndvalue6, syndvalue7,

           syndvalue8, syndvalue9, syndvalue10, syndvalue11;

wire [4:0] lambda0, lambda1, lambda2, lambda3, lambda4, lambda5,

           lambda6;

wire [4:0] homega0, homega1, homega2, homega3, homega4, homega5;

wire [2:0] rootcntr, lambda_degree;

//****************************//

assign en_sccell = shift_fifo;

SCblock SCblock(recword, clock1, clock2, active_sc, reset, syndvalue0,

               syndvalue1, syndvalue2, syndvalue3, syndvalue4,

               syndvalue5, syndvalue6, syndvalue7, syndvalue8,

               syndvalue9, syndvalue10, syndvalue11, errdetect,

               en_sccell, evalsynd, holdsynd);

KES_block KESblock(active_kes, clock1, clock2, reset, syndvalue0, syndvalue1,                 syndvalue2, syndvalue3, syndvalue4, syndvalue5, syndvalue6,

                syndvalue7, syndvalue8, syndvalue9, syndvalue10, syndvalue11,

                lambda0, lambda1, lambda2, lambda3, lambda4, lambda5,

                lambda6, homega0, homega1, homega2, homega3, homega4,

                homega5, lambda_degree, finish_kes);

CSEEblock CSEEblock(lambda0, lambda1, lambda2, lambda3, lambda4,

                  lambda5, lambda6, homega0, homega1, homega2,

                  homega3, homega4, homega5, errorvalue, clock1,

                  clock2, active_csee, reset, lastdataout, evalerror,

                  en_outfifo, rootcntr);

MainControl controller(start, reset, clock1, clock2, finish_kes,

                  errdetect, rootcntr, lambda_degree, active_sc,

                  active_kes, active_csee, evalsynd, holdsynd,

                  errfound, decode_fail, ready, dataoutstart, dataoutend,

                  shift_fifo, hold_fifo, en_infifo, en_outfifo,

                  lastdataout, evalerror);

fifo_register fiforeg(clock1, clock2, shift_fifo, hold_fifo,

                     en_outfifo, en_infifo, recword, dataout_fifo);

// Received word correction//

gfadder adder(errorvalue, dataout_fifo, corr_recword);

endmodule