diff --git a/design/src/main/resources/vsrc/uart_sync_flops.v b/design/src/main/resources/vsrc/uart_sync_flops.v deleted file mode 100644 index 82a3a615..00000000 --- a/design/src/main/resources/vsrc/uart_sync_flops.v +++ /dev/null @@ -1,117 +0,0 @@ -////////////////////////////////////////////////////////////////////// -//// //// -//// uart_sync_flops.v //// -//// //// -//// //// -//// This file is part of the "UART 16550 compatible" project //// -//// http://www.opencores.org/cores/uart16550/ //// -//// //// -//// Documentation related to this project: //// -//// - http://www.opencores.org/cores/uart16550/ //// -//// //// -//// Projects compatibility: //// -//// - WISHBONE //// -//// RS232 Protocol //// -//// 16550D uart (mostly supported) //// -//// //// -//// Overview (main Features): //// -//// UART core receiver logic //// -//// //// -//// Known problems (limits): //// -//// None known //// -//// //// -//// To Do: //// -//// Thourough testing. //// -//// //// -//// Author(s): //// -//// - Andrej Erzen (andreje@flextronics.si) //// -//// - Tadej Markovic (tadejm@flextronics.si) //// -//// //// -//// Created: 2004/05/20 //// -//// Last Updated: 2004/05/20 //// -//// (See log for the revision history) //// -//// //// -//// //// -////////////////////////////////////////////////////////////////////// -//// //// -//// Copyright (C) 2000, 2001 Authors //// -//// //// -//// 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 free software; you can redistribute it //// -//// and/or modify it under the terms of the GNU Lesser General //// -//// Public License as published by the Free Software Foundation; //// -//// either version 2.1 of the License, or (at your option) any //// -//// later version. //// -//// //// -//// This source 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 Lesser General Public License for more //// -//// details. //// -//// //// -//// You should have received a copy of the GNU Lesser General //// -//// Public License along with this source; if not, download it //// -//// from http://www.opencores.org/lgpl.shtml //// -//// //// -////////////////////////////////////////////////////////////////////// -// -// CVS Revision History -// -// $Log: not supported by cvs2svn $ -// - -module uart_sync_flops -( - // internal signals - rst_i, - clk_i, - stage1_rst_i, - stage1_clk_en_i, - async_dat_i, - sync_dat_o -); - -parameter width = 1; -parameter init_value = 1'b0; - -input rst_i; // reset input -input clk_i; // clock input -input stage1_rst_i; // synchronous reset for stage 1 FF -input stage1_clk_en_i; // synchronous clock enable for stage 1 FF -input [width-1:0] async_dat_i; // asynchronous data input -output [width-1:0] sync_dat_o; // synchronous data output - - -// -// Interal signal declarations -// - -reg [width-1:0] sync_dat_o; -reg [width-1:0] flop_0; - - -// first stage -always @ (posedge clk_i or posedge rst_i) -begin - if (rst_i) - flop_0 <= {width{init_value}}; - else - flop_0 <= async_dat_i; -end - -// second stage -always @ (posedge clk_i or posedge rst_i) -begin - if (rst_i) - sync_dat_o <= {width{init_value}}; - else if (stage1_rst_i) - sync_dat_o <= {width{init_value}}; - else if (stage1_clk_en_i) - sync_dat_o <= flop_0; -end - -endmodule