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-rw-r--r--fpga/usrp2/fifo/packet_generator.v100
1 files changed, 0 insertions, 100 deletions
diff --git a/fpga/usrp2/fifo/packet_generator.v b/fpga/usrp2/fifo/packet_generator.v
deleted file mode 100644
index 5e9d3c2ab..000000000
--- a/fpga/usrp2/fifo/packet_generator.v
+++ /dev/null
@@ -1,100 +0,0 @@
-//
-// Copyright 2011 Ettus Research LLC
-//
-// 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 3 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, see <http://www.gnu.org/licenses/>.
-//
-
-
-
-module packet_generator
- (input clk, input reset, input clear,
- output reg [7:0] data_o, output sof_o, output eof_o,
- input [127:0] header,
- output src_rdy_o, input dst_rdy_i);
-
- localparam len = 32'd2000;
-
- reg [31:0] state;
- reg [31:0] seq;
- reg [31:0] crc_out;
- wire calc_crc = src_rdy_o & dst_rdy_i & ~(state[31:2] == 30'h3FFF_FFFF);
-
-
- always @(posedge clk)
- if(reset | clear)
- seq <= 0;
- else
- if(eof_o & src_rdy_o & dst_rdy_i)
- seq <= seq + 1;
-
- always @(posedge clk)
- if(reset | clear)
- state <= 0;
- else
- if(src_rdy_o & dst_rdy_i)
- if(state == (len - 1))
- state <= 32'hFFFF_FFFC;
- else
- state <= state + 1;
-
- always @*
- case(state)
- 0 : data_o <= len[31:24];
- 1 : data_o <= len[23:16];
- 2 : data_o <= len[15:8];
- 3 : data_o <= len[7:0];
- 4 : data_o <= seq[31:24];
- 5 : data_o <= seq[23:16];
- 6 : data_o <= seq[15:8];
- 7 : data_o <= seq[7:0];
- 8 : data_o <= header[7:0];
- 9 : data_o <= header[15:8];
- 10 : data_o <= header[23:16];
- 11 : data_o <= header[31:24];
- 12 : data_o <= header[39:32];
- 13 : data_o <= header[47:40];
- 14 : data_o <= header[55:48];
- 15 : data_o <= header[63:56];
- 16 : data_o <= header[71:64];
- 17 : data_o <= header[79:72];
- 18 : data_o <= header[87:80];
- 19 : data_o <= header[95:88];
- 20 : data_o <= header[103:96];
- 21 : data_o <= header[111:104];
- 22 : data_o <= header[119:112];
- 23 : data_o <= header[127:120];
-
- 32'hFFFF_FFFC : data_o <= crc_out[31:24];
- 32'hFFFF_FFFD : data_o <= crc_out[23:16];
- 32'hFFFF_FFFE : data_o <= crc_out[15:8];
- 32'hFFFF_FFFF : data_o <= crc_out[7:0];
- default : data_o <= state[7:0];
- endcase // case (state)
-
- assign src_rdy_o = 1;
- assign sof_o = (state == 0);
- assign eof_o = (state == 32'hFFFF_FFFF);
-
- wire clear_crc = eof_o & src_rdy_o & dst_rdy_i;
-
-// crc crc(.clk(clk), .reset(reset), .clear(clear_crc), .data(data_o),
-// .calc(calc_crc), .crc_out(crc_out), .match());
- always @(posedge clk)
- if(reset | clear | clear_crc)
- crc_out <= 0;
- else
- if(calc_crc)
- crc_out <= crc_out + data_o;
-
-endmodule // packet_generator