From 7bf8a6df381a667134b55701993c6770d32bc76b Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Fri, 22 Jan 2010 11:56:55 -0800 Subject: Moved usrp2 fpga files into usrp2 subdir. --- control_lib/CRC16_D16.v | 89 ------------------------------------------------- 1 file changed, 89 deletions(-) delete mode 100644 control_lib/CRC16_D16.v (limited to 'control_lib/CRC16_D16.v') diff --git a/control_lib/CRC16_D16.v b/control_lib/CRC16_D16.v deleted file mode 100644 index 7e2816af1..000000000 --- a/control_lib/CRC16_D16.v +++ /dev/null @@ -1,89 +0,0 @@ -/////////////////////////////////////////////////////////////////////// -// File: CRC16_D16.v -// Date: Sun Jun 17 06:42:55 2007 -// -// Copyright (C) 1999-2003 Easics NV. -// 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 SOURCE FILE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS -// OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED -// WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. -// -// Purpose: Verilog module containing a synthesizable CRC function -// * polynomial: (0 5 12 16) -// * data width: 16 -// -// Info: tools@easics.be -// http://www.easics.com -/////////////////////////////////////////////////////////////////////// - - -module CRC16_D16 - (input [15:0] Data, - input [15:0] CRC, - output [15:0] NewCRC); - - assign NewCRC = nextCRC16_D16(Data,CRC); - - // polynomial: (0 5 12 16) - // data width: 16 - // convention: the first serial data bit is D[15] - function [15:0] nextCRC16_D16; - - input [15:0] Data; - input [15:0] CRC; - - reg [15:0] D; - reg [15:0] C; - reg [15:0] NewCRC; - - begin - - D = Data; - C = CRC; - - NewCRC[0] = D[12] ^ D[11] ^ D[8] ^ D[4] ^ D[0] ^ C[0] ^ C[4] ^ - C[8] ^ C[11] ^ C[12]; - NewCRC[1] = D[13] ^ D[12] ^ D[9] ^ D[5] ^ D[1] ^ C[1] ^ C[5] ^ - C[9] ^ C[12] ^ C[13]; - NewCRC[2] = D[14] ^ D[13] ^ D[10] ^ D[6] ^ D[2] ^ C[2] ^ C[6] ^ - C[10] ^ C[13] ^ C[14]; - NewCRC[3] = D[15] ^ D[14] ^ D[11] ^ D[7] ^ D[3] ^ C[3] ^ C[7] ^ - C[11] ^ C[14] ^ C[15]; - NewCRC[4] = D[15] ^ D[12] ^ D[8] ^ D[4] ^ C[4] ^ C[8] ^ C[12] ^ - C[15]; - NewCRC[5] = D[13] ^ D[12] ^ D[11] ^ D[9] ^ D[8] ^ D[5] ^ D[4] ^ - D[0] ^ C[0] ^ C[4] ^ C[5] ^ C[8] ^ C[9] ^ C[11] ^ C[12] ^ - C[13]; - NewCRC[6] = D[14] ^ D[13] ^ D[12] ^ D[10] ^ D[9] ^ D[6] ^ D[5] ^ - D[1] ^ C[1] ^ C[5] ^ C[6] ^ C[9] ^ C[10] ^ C[12] ^ - C[13] ^ C[14]; - NewCRC[7] = D[15] ^ D[14] ^ D[13] ^ D[11] ^ D[10] ^ D[7] ^ D[6] ^ - D[2] ^ C[2] ^ C[6] ^ C[7] ^ C[10] ^ C[11] ^ C[13] ^ - C[14] ^ C[15]; - NewCRC[8] = D[15] ^ D[14] ^ D[12] ^ D[11] ^ D[8] ^ D[7] ^ D[3] ^ - C[3] ^ C[7] ^ C[8] ^ C[11] ^ C[12] ^ C[14] ^ C[15]; - NewCRC[9] = D[15] ^ D[13] ^ D[12] ^ D[9] ^ D[8] ^ D[4] ^ C[4] ^ - C[8] ^ C[9] ^ C[12] ^ C[13] ^ C[15]; - NewCRC[10] = D[14] ^ D[13] ^ D[10] ^ D[9] ^ D[5] ^ C[5] ^ C[9] ^ - C[10] ^ C[13] ^ C[14]; - NewCRC[11] = D[15] ^ D[14] ^ D[11] ^ D[10] ^ D[6] ^ C[6] ^ C[10] ^ - C[11] ^ C[14] ^ C[15]; - NewCRC[12] = D[15] ^ D[8] ^ D[7] ^ D[4] ^ D[0] ^ C[0] ^ C[4] ^ C[7] ^ - C[8] ^ C[15]; - NewCRC[13] = D[9] ^ D[8] ^ D[5] ^ D[1] ^ C[1] ^ C[5] ^ C[8] ^ C[9]; - NewCRC[14] = D[10] ^ D[9] ^ D[6] ^ D[2] ^ C[2] ^ C[6] ^ C[9] ^ C[10]; - NewCRC[15] = D[11] ^ D[10] ^ D[7] ^ D[3] ^ C[3] ^ C[7] ^ C[10] ^ - C[11]; - - nextCRC16_D16 = NewCRC; - - end - - endfunction - -endmodule - -- cgit v1.2.3