rsdecoder.v

RS编码的verilog源代码

// 

module RSDecoder(clk19_5,clk31_5,clk57_5,reset,start,
                 decodebitin,bitinstart,errfound,decode_fail,
                 decodeoutbit,decodeoutbitstart,
                 decodein,ram1out,decodedataout,decodeout,
                  decodeinstart,ram1outstart,dataoutstart,decodeoutstart,
                  wraddress1,rdaddress1,wraddress2,rdaddress2);

input clk19_5,clk31_5,clk57_5,reset,start;
input decodebitin,bitinstart;
output decodeoutbit,decodeoutbitstart;
output errfound,decode_fail;

output[4:0] decodein,ram1out,decodedataout,decodeout,wraddress1,rdaddress1,wraddress2,rdaddress2;
output decodeinstart,ram1outstart,dataoutstart,decodeoutstart;

wire clk19,clk31,clk57;
wire decodeinstart,ram1outstart,dataoutstart,decodeoutstart;
wire[4:0] rdaddress1,rdaddress2,wraddress1,wraddress2;
wire rdclocken1,wrclocken1,wren1,rdclocken2,wrclocken2,wren2;
wire ready,dataoutend;//dataoutstart,
wire[4:0] ram1out,decodedataout,decodein;


divide5  dividea(clk19_5, 1, clk19);
divide5  divideb(clk31_5, 1, clk31);
divide5  dividec(clk57_5, 1, clk57);

Bit2Dec        Bit2Dec(reset,bitinstart,clk31_5,decodebitin,
                    clk31,decodein,decodeinstart);

before_decode  before_decode(clk31,clk57,reset,start,rdaddress1,rdclocken1,
                    wraddress1,wrclocken1,wren1,decodeinstart,ram1outstart); 

lpm_ram_dp0    ram1(decodein,rdaddress1,clk57,rdclocken1,
                    wraddress1,clk31,wrclocken1,wren1,ram1out);

rsdec          rsdec(ram1out,ram1outstart,clk57,~clk57,reset,ready,errfound,
                    decode_fail,dataoutstart,dataoutend,decodedataout);

fifo_decode    fifo_decode(clk57,clk19,reset,dataoutstart,rdaddress2,rdclocken2,
                    wraddress2,wrclocken2,wren2,decodeoutstart); 

lpm_ram_dp0    ram2(decodedataout,rdaddress2,clk19,rdclocken2,
                    wraddress2,clk57,wrclocken2,wren2,decodeout);

Dec2Bit        Dec2Bit(reset,decodeoutstart,clk19,decodeout,clk19_5,
                    decodeoutbit,decodeoutbitstart);

endmodule