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author | Martin Braun <martin.braun@ettus.com> | 2014-10-07 11:25:20 +0200 |
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committer | Martin Braun <martin.braun@ettus.com> | 2014-10-07 11:25:20 +0200 |
commit | fd3e84941de463fa1a7ebab0a69515b4bf2614cd (patch) | |
tree | 3fa721a13d41d2c0451d663a59a220a38fd5e614 /fpga/usrp2/fifo/resp_packet_padder36.v | |
parent | 3b66804e41891e358c790b453a7a59ec7462dba4 (diff) | |
download | uhd-fd3e84941de463fa1a7ebab0a69515b4bf2614cd.tar.gz uhd-fd3e84941de463fa1a7ebab0a69515b4bf2614cd.tar.bz2 uhd-fd3e84941de463fa1a7ebab0a69515b4bf2614cd.zip |
Removed copy of FPGA source files.
Diffstat (limited to 'fpga/usrp2/fifo/resp_packet_padder36.v')
-rw-r--r-- | fpga/usrp2/fifo/resp_packet_padder36.v | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/fpga/usrp2/fifo/resp_packet_padder36.v b/fpga/usrp2/fifo/resp_packet_padder36.v deleted file mode 100644 index 18fc18291..000000000 --- a/fpga/usrp2/fifo/resp_packet_padder36.v +++ /dev/null @@ -1,88 +0,0 @@ -// -// Copyright 2011-2012 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/>. -// - -// PAD to NUM LINES - -module resp_packet_padder36 -#( - parameter NUM_LINES32 = 128 -) -( - input clk, input reset, - - //input interface - input [35:0] data_i, - input src_rdy_i, - output dst_rdy_o, - - //output interface - output [35:0] data_o, - output src_rdy_o, - input dst_rdy_i -); - - localparam STATE_FWD = 0; - localparam STATE_PAD = 1; - reg state; - - reg [15:0] counter; - - always @(posedge clk) begin - if (reset) begin - counter <= 0; - end - else if (src_rdy_o && dst_rdy_i) begin - if (data_o[33]) counter <= 0; - else counter <= counter + 1; - end - end - - always @(posedge clk) begin - if (reset) begin - state <= STATE_FWD; - end - else case(state) - - STATE_FWD: begin - if (src_rdy_i && dst_rdy_o && data_i[33] && ~data_o[33]) begin - state <= STATE_PAD; - end - end - - STATE_PAD: begin - if (src_rdy_o && dst_rdy_i && data_o[33]) begin - state <= STATE_FWD; - end - end - - endcase //state - end - - //assign data out - assign data_o[31:0] = (state == STATE_FWD)? data_i[31:0] : {32'b0}; - wire eof = (counter == (NUM_LINES32-1)); - assign data_o[35:32] = {data_i[35:34], eof, data_i[32]}; - - //assign ready - assign src_rdy_o = (state == STATE_FWD)? src_rdy_i : 1'b1; - assign dst_rdy_o = (state == STATE_FWD)? dst_rdy_i : 1'b0; - -endmodule // resp_packet_padder36 - - - - |