Remove usrp1 and usrp2 FPGA files. These are now hosted at:

[debian/gnuradio] / usrp / fpga / models / fifo.v

diff --git a/usrp/fpga/models/fifo.v b/usrp/fpga/models/fifo.v
deleted file mode 100644 (file)
index 0ade49e..0000000
--- a/usrp/fpga/models/fifo.v
+++ /dev/null
@@ -1,82 +0,0 @@
-// Model of FIFO in Altera
-
-module fifo( data, wrreq, rdreq, rdclk, wrclk, aclr, q,
-                   rdfull, rdempty, rdusedw, wrfull, wrempty, wrusedw);
-   
-   parameter width = 16;
-   parameter depth = 1024;
-   parameter addr_bits = 10;
-   
-   //`define rd_req 0;  // Set this to 0 for rd_ack, 1 for rd_req
-   
-   input [width-1:0] data;
-   input            wrreq;
-   input            rdreq;
-   input            rdclk;
-   input            wrclk;
-   input            aclr;
-   output [width-1:0] q;
-   output            rdfull;
-   output            rdempty;
-   output reg [addr_bits-1:0]  rdusedw;
-   output wrfull;
-   output wrempty;
-   output reg [addr_bits-1:0]  wrusedw;
-   
-   reg [width-1:0] mem [0:depth-1];
-   reg [addr_bits-1:0]               rdptr;
-   reg [addr_bits-1:0]               wrptr;
-   
-`ifdef rd_req
-   reg [width-1:0]    q;
-`else
-   wire [width-1:0]   q;
-`endif
-   
-   integer           i;
-   
-   always @( aclr)
-     begin
-       wrptr <= #1 0;
-       rdptr <= #1 0;
-       for(i=0;i<depth;i=i+1)
-         mem[i] <= #1 0;
-     end
-   
-   always @(posedge wrclk)
-     if(wrreq)
-       begin
-         wrptr <= #1 wrptr+1;
-         mem[wrptr] <= #1 data;
-       end
-   
-   always @(posedge rdclk)
-     if(rdreq)
-       begin
-         rdptr <= #1 rdptr+1;
-`ifdef rd_req
-         q <= #1 mem[rdptr];
-`endif
-       end
-   
-`ifdef rd_req
-`else
-   assign q = mem[rdptr];
-`endif
-   
-   // Fix these
-   always @(posedge wrclk)
-     wrusedw <= #1 wrptr - rdptr;
-   
-   always @(posedge rdclk)
-     rdusedw <= #1 wrptr - rdptr;
-   
-   assign wrempty = (wrusedw == 0);
-   assign wrfull = (wrusedw == depth-1);
-   
-   assign rdempty = (rdusedw == 0);
-   assign rdfull = (rdusedw == depth-1);
-   
-endmodule // fifo
-
-