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Diffstat (limited to 'fpga/usrp2/control_lib/mux8.v')
| -rw-r--r-- | fpga/usrp2/control_lib/mux8.v | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/fpga/usrp2/control_lib/mux8.v b/fpga/usrp2/control_lib/mux8.v new file mode 100644 index 000000000..bdb015dc3 --- /dev/null +++ b/fpga/usrp2/control_lib/mux8.v @@ -0,0 +1,38 @@ +// +// 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 mux8 + #(parameter WIDTH=32, parameter DISABLED=0) + (input en, + input [2:0] sel, + input [WIDTH-1:0] i0, + input [WIDTH-1:0] i1, + input [WIDTH-1:0] i2, + input [WIDTH-1:0] i3, + input [WIDTH-1:0] i4, + input [WIDTH-1:0] i5, + input [WIDTH-1:0] i6, + input [WIDTH-1:0] i7, + output [WIDTH-1:0] o); + + assign o = en ? (sel[2] ? (sel[1] ? (sel[0] ? i7 : i6) : (sel[0] ? i5 : i4)) : + (sel[1] ? (sel[0] ? i3 : i2) : (sel[0] ? i1 : i0))) : + DISABLED; + +endmodule // mux8 |