From 7bf8a6df381a667134b55701993c6770d32bc76b Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Fri, 22 Jan 2010 11:56:55 -0800
Subject: Moved usrp2 fpga files into usrp2 subdir.

---
 control_lib/shortfifo.v | 87 -------------------------------------------------
 1 file changed, 87 deletions(-)
 delete mode 100644 control_lib/shortfifo.v

(limited to 'control_lib/shortfifo.v')

diff --git a/control_lib/shortfifo.v b/control_lib/shortfifo.v
deleted file mode 100644
index d8ce1428e..000000000
--- a/control_lib/shortfifo.v
+++ /dev/null
@@ -1,87 +0,0 @@
-
-module shortfifo
-  #(parameter WIDTH=32)
-    (input clk, input rst,
-     input [WIDTH-1:0] datain,
-     output [WIDTH-1:0] dataout,
-     input read,
-     input write,
-     input clear,
-     output reg full,
-     output reg empty,
-     output reg [4:0] space,
-     output reg [4:0] occupied);
-   
-   reg [3:0] 	  a;
-   genvar 	  i;
-   
-   generate
-      for (i=0;i<WIDTH;i=i+1)
-	begin : gen_srl16
-	   SRL16E
-	     srl16e(.Q(dataout[i]),
-		    .A0(a[0]),.A1(a[1]),.A2(a[2]),.A3(a[3]),
-		    .CE(write),.CLK(clk),.D(datain[i]));
-	end
-   endgenerate
-   
-   always @(posedge clk)
-     if(rst)
-       begin
-	  a <= 0;
-	  empty <= 1;
-	  full <= 0;
-       end
-     else if(clear)
-       begin
-	  a <= 0;
-	  empty <= 1;
-	  full<= 0;
-       end
-     else if(read & ~write)
-       begin
-	  full <= 0;
-	  if(a==0)
-	    empty <= 1;
-	  else
-	    a <= a - 1;
-       end
-     else if(write & ~read)
-       begin
-	  empty <= 0;
-	  if(~empty)
-	    a <= a + 1;
-	  if(a == 14)
-	    full <= 1;
-       end
-
-   // NOTE will fail if you write into a full fifo or read from an empty one
-
-   //////////////////////////////////////////////////////////////
-   // space and occupied are used for diagnostics, not 
-   // guaranteed correct
-   
-   //assign space = full ? 0 : empty ? 16 : 15-a;
-   //assign occupied = empty ? 0 : full ? 16 : a+1;
-
-   always @(posedge clk)
-     if(rst)
-       space <= 16;
-     else if(clear)
-       space <= 16;
-     else if(read & ~write)
-       space <= space + 1;
-     else if(write & ~read)
-       space <= space - 1;
-   
-   always @(posedge clk)
-     if(rst)
-       occupied <= 0;
-     else if(clear)
-       occupied <= 0;
-     else if(read & ~write)
-       occupied <= occupied - 1;
-     else if(write & ~read)
-       occupied <= occupied + 1;
-      
-endmodule // shortfifo
-- 
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