From fd3e84941de463fa1a7ebab0a69515b4bf2614cd Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Tue, 7 Oct 2014 11:25:20 +0200
Subject: Removed copy of FPGA source files.

---
 fpga/usrp3/lib/control/axi_test_vfifo.v | 139 --------------------------------
 1 file changed, 139 deletions(-)
 delete mode 100644 fpga/usrp3/lib/control/axi_test_vfifo.v

(limited to 'fpga/usrp3/lib/control/axi_test_vfifo.v')

diff --git a/fpga/usrp3/lib/control/axi_test_vfifo.v b/fpga/usrp3/lib/control/axi_test_vfifo.v
deleted file mode 100644
index a436e9c55..000000000
--- a/fpga/usrp3/lib/control/axi_test_vfifo.v
+++ /dev/null
@@ -1,139 +0,0 @@
-//
-// Test Virtual FIFO's by streaming modulo 2^32 counter (replicated in upper
-// and lower 32bits). Test result by tracking count on receive and using 
-// sticky flag for error indication.
-// Also provide signal from MSB of 32bit count to blink LED.
-//
-
-module axi_test_vfifo
-  #(parameter PACKET_SIZE = 128)
-   (
-    input aclk,
-    input aresetn,
-    input enable,
-    // AXI Stream Out
-    output reg out_axis_tvalid,
-    input out_axis_tready,
-    output [63 : 0] out_axis_tdata,
-    output reg [7 : 0] out_axis_tstrb,
-    output reg [7 : 0] out_axis_tkeep,
-    output reg out_axis_tlast,
-    output reg [0 : 0] out_axis_tid,
-    output reg [0 : 0] out_axis_tdest,
-    input vfifo_full,
-    // AXI Stream In
-    input in_axis_tvalid,
-    output reg in_axis_tready,
-    input [63 : 0] in_axis_tdata,
-    input [7 : 0] in_axis_tstrb,
-    input [7 : 0] in_axis_tkeep,
-    input in_axis_tlast,
-    input [0 : 0] in_axis_tid,
-    input [0 : 0] in_axis_tdest,
-    // Flags
-    output reg flag_error,
-    output heartbeat_in,
-    output heartbeat_out,
-    output [31:0] expected_count
-    );
-   
-
-   reg [31:0] 	  out_count;
-   reg [31:0] 	  in_count;
-   reg [63:0] 	  in_axis_tdata_reg;
-   reg 		  in_data_valid;
-   
-
-
-   //
-   // Output 
-   //
-   always @(posedge aclk)
-     if (!aresetn) begin
-	out_count <= 0;
-	out_axis_tvalid <= 0;
-	out_axis_tid <= 0; // Don't care.
-	out_axis_tdest <= 0; // Only use port 0 of VFIFO.
-	out_axis_tstrb <= 0;  // Unused in VFIFO
-	out_axis_tkeep <= 8'hFF; // Always use every byte of data
-	out_axis_tlast <= 1'b0;
-     end else if (enable) begin
-	if (~vfifo_full) begin
-	   // Always ready to output new count value.
-	   out_axis_tvalid <= 1;
-	   if (out_axis_tready) 
-	     out_count <= out_count + 1;
-	   // Assert TLAST every PACKET_SIZE beats.
-	   if (out_count[15:0] == PACKET_SIZE)
-	     out_axis_tlast <= 1'b1;
-	   else
-	     out_axis_tlast <= 1'b0;
-	end else begin
-	   out_axis_tvalid <= 0;
-	end
-     end else begin
-	out_axis_tlast <= 1'b0;	
-	out_axis_tvalid <= 0;
-     end
-
-   assign out_axis_tdata = {out_count,out_count};
-
-   assign heartbeat_out = out_count[28];
-   
-
-   //
-   // Input (Ignore TLAST signal)
-   //
-   always @(posedge aclk)
-     if (!aresetn) begin
-	in_axis_tready <= 0;
-	in_axis_tdata_reg <= 0;
-	in_data_valid <= 0;
-	
-     end else if (enable) begin
-	in_axis_tready <= 1;
-	in_axis_tdata_reg <= in_axis_tdata;
-	if (in_axis_tvalid) 
-	  in_data_valid <= 1;
-	else
-	  in_data_valid <= 0;
-     end else begin
-	in_data_valid <= 0;
-	in_axis_tready <= 0;
-     end // else: !if(enable)
-   
-   	  
-   assign heartbeat_in = in_count[28];
-   
-   //
-   // Input Checker
-   //
-   always @(posedge aclk)
-     if (!aresetn) begin
-	in_count <= 0;
-	flag_error <= 0;
-     end else if (enable) begin
-	if (in_data_valid) begin
-	   
-	   if ((in_axis_tdata_reg[63:32] != in_count) || (in_axis_tdata_reg[31:0] != in_count))
-	     begin
-		flag_error <= 1;
-		in_count <= in_axis_tdata_reg[63:32] + 1;
-	     end
-	   else
-	     begin
-		flag_error <= 0;
-		in_count <= in_count + 1;
-	     end
-	   
-	end
-     end
-
-   assign expected_count = in_count;
-   
-
-endmodule // axi_test_vfifo
-
-
-   
-   
-- 
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