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Diffstat (limited to 'fpga/usrp2/fifo/fifo19_to_ll8.v')
-rw-r--r-- | fpga/usrp2/fifo/fifo19_to_ll8.v | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/fpga/usrp2/fifo/fifo19_to_ll8.v b/fpga/usrp2/fifo/fifo19_to_ll8.v deleted file mode 100644 index 1ebb140c2..000000000 --- a/fpga/usrp2/fifo/fifo19_to_ll8.v +++ /dev/null @@ -1,70 +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 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 - |