diff options
Diffstat (limited to 'gr-sounder/src/fpga/lib/lfsr_constants.v')
| -rw-r--r-- | gr-sounder/src/fpga/lib/lfsr_constants.v | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/gr-sounder/src/fpga/lib/lfsr_constants.v b/gr-sounder/src/fpga/lib/lfsr_constants.v deleted file mode 100644 index e23ed6601..000000000 --- a/gr-sounder/src/fpga/lib/lfsr_constants.v +++ /dev/null @@ -1,63 +0,0 @@ -// -*- verilog -*- -// -// USRP - Universal Software Radio Peripheral -// -// Copyright (C) 2007 Corgan Enterprises LLC -// -// This program is free software; you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation; either version 2 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program; if not, write to the Free Software -// Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301 USA -// - -module lfsr_constants(clk_i,rst_i,degree_i,mask_o,len_o); - input clk_i; - input rst_i; - input [4:0] degree_i; - output reg [15:0] mask_o; - output reg [16:0] len_o; - - integer len; - - always @(posedge clk_i) - if (rst_i) - begin - len_o <= #5 17'b0; - mask_o <= #5 16'b0; - end - else - begin - len_o <= #5 ((1 << degree_i) << 1)-3; - - case (degree_i) - 5'd00: mask_o <= #5 16'h0000; - 5'd01: mask_o <= #5 16'h0001; - 5'd02: mask_o <= #5 16'h0003; - 5'd03: mask_o <= #5 16'h0005; - 5'd04: mask_o <= #5 16'h0009; - 5'd05: mask_o <= #5 16'h0012; - 5'd06: mask_o <= #5 16'h0021; - 5'd07: mask_o <= #5 16'h0041; - 5'd08: mask_o <= #5 16'h008E; - 5'd09: mask_o <= #5 16'h0108; - 5'd10: mask_o <= #5 16'h0204; - 5'd11: mask_o <= #5 16'h0402; - 5'd12: mask_o <= #5 16'h0829; - 5'd13: mask_o <= #5 16'h100D; - 5'd14: mask_o <= #5 16'h2015; - 5'd15: mask_o <= #5 16'h4001; - 5'd16: mask_o <= #5 16'h8016; - default: mask_o <= #5 16'h0000; - endcase // case(degree_i) - end // else: !if(rst_i) - -endmodule // lfsr_constants |