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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/fifo_2clock_cascade.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/fifo_2clock_cascade.v')
-rw-r--r-- | fpga/usrp2/fifo/fifo_2clock_cascade.v | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/fpga/usrp2/fifo/fifo_2clock_cascade.v b/fpga/usrp2/fifo/fifo_2clock_cascade.v deleted file mode 100644 index 49cac7097..000000000 --- a/fpga/usrp2/fifo/fifo_2clock_cascade.v +++ /dev/null @@ -1,58 +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 fifo_2clock_cascade - #(parameter WIDTH=32, SIZE=9) - (input wclk, input [WIDTH-1:0] datain, input src_rdy_i, output dst_rdy_o, - output [15:0] space, output [15:0] short_space, - input rclk, output [WIDTH-1:0] dataout, output src_rdy_o, input dst_rdy_i, - output [15:0] occupied, output [15:0] short_occupied, - input arst); - - wire [WIDTH-1:0] data_int1, data_int2; - wire src_rdy_int1, src_rdy_int2, dst_rdy_int1, dst_rdy_int2; - wire [SIZE-1:0] level_wclk, level_rclk; - wire [4:0] s1_space, s1_occupied, s2_space, s2_occupied; - wire [15:0] l_space, l_occupied; - - fifo_short #(.WIDTH(WIDTH)) shortfifo - (.clk(wclk), .reset(arst), .clear(0), - .datain(datain), .src_rdy_i(src_rdy_i), .dst_rdy_o(dst_rdy_o), - .dataout(data_int1), .src_rdy_o(src_rdy_int1), .dst_rdy_i(dst_rdy_int1), - .space(s1_space), .occupied(s1_occupied) ); - - fifo_2clock #(.WIDTH(WIDTH),.SIZE(SIZE)) fifo_2clock - (.wclk(wclk), .datain(data_int1), .src_rdy_i(src_rdy_int1), .dst_rdy_o(dst_rdy_int1), .space(l_space), - .rclk(rclk), .dataout(data_int2), .src_rdy_o(src_rdy_int2), .dst_rdy_i(dst_rdy_int2), .occupied(l_occupied), - .arst(arst) ); - - fifo_short #(.WIDTH(WIDTH)) shortfifo2 - (.clk(rclk), .reset(arst), .clear(0), - .datain(data_int2), .src_rdy_i(src_rdy_int2), .dst_rdy_o(dst_rdy_int2), - .dataout(dataout), .src_rdy_o(src_rdy_o), .dst_rdy_i(dst_rdy_i), - .space(s2_space), .occupied(s2_occupied)); - - // Be conservative -- Only advertise space from input side of fifo, occupied from output side - assign space = {11'b0,s1_space} + l_space; - assign occupied = {11'b0,s2_occupied} + l_occupied; - - // For the fifo_extram, we only want to know the immediately adjacent space - assign short_space = {11'b0,s1_space}; - assign short_occupied = {11'b0,s2_occupied}; - -endmodule // fifo_2clock_cascade |