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diff --git a/fpga/usrp2/fifo/fifo19_to_ll8.v b/fpga/usrp2/fifo/fifo19_to_ll8.v
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-//
-// 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 fifo19_to_ll8
- (input clk, input reset, input clear,
- input [18:0] f19_data,
- input f19_src_rdy_i,
- output f19_dst_rdy_o,
-
- output reg [7:0] ll_data,
- output ll_sof_n,
- output ll_eof_n,
- output ll_src_rdy_n,
- input ll_dst_rdy_n);
-
- wire ll_sof, ll_eof, ll_src_rdy;
- assign ll_sof_n = ~ll_sof;
- assign ll_eof_n = ~ll_eof;
- assign ll_src_rdy_n = ~ll_src_rdy;
- wire ll_dst_rdy = ~ll_dst_rdy_n;
-
- wire f19_sof = f19_data[16];
- wire f19_eof = f19_data[17];
- wire f19_occ = f19_data[18];
-
- wire advance, end_early;
- reg state;
-
- always @(posedge clk)
- if(reset)
- state <= 0;
- else
- if(advance)
- if(ll_eof)
- state <= 0;
- else
- state <= state + 1;
-
- always @*
- case(state)
- 0 : ll_data = f19_data[15:8];
- 1 : ll_data = f19_data[7:0];
- default : ll_data = f19_data[15:8];
- endcase // case (state)
-
- assign ll_sof = (state==0) & f19_sof;
- assign ll_eof = f19_eof & ((f19_occ==1)|(state==1));
-
- assign ll_src_rdy = f19_src_rdy_i;
-
- assign advance = ll_src_rdy & ll_dst_rdy;
- assign f19_dst_rdy_o = advance & ((state==1)|ll_eof);
-
-endmodule // fifo19_to_ll8
-