1 files changed, 43 insertions, 0 deletions
diff --git a/sdr_lib/gen_sync.v b/sdr_lib/gen_sync.v
new file mode 100644
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+++ b/sdr_lib/gen_sync.v
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+// -*- verilog -*-
+//
+//  USRP - Universal Software Radio Peripheral
+//
+//  Copyright (C) 2003 Matt Ettus
+//
+//  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+
+module gen_sync
+  ( input clock,
+    input reset,
+    input enable,
+    input [7:0] rate,
+    output wire sync );
+   
+//   parameter width = 8;
+   
+   reg [7:0] counter;
+   assign sync = |(((rate+1)>>1)& counter);
+      
+   always @(posedge clock)
+     if(reset || ~enable)
+       counter <= #1 0;
+     else if(counter == rate)
+       counter <= #1 0;
+     else 
+       counter <= #1 counter + 8'd1;
+   
+endmodule // gen_sync
+