diff options
Diffstat (limited to 'fpga/usrp2/control_lib/decoder_3_8.v')
| -rw-r--r-- | fpga/usrp2/control_lib/decoder_3_8.v | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/fpga/usrp2/control_lib/decoder_3_8.v b/fpga/usrp2/control_lib/decoder_3_8.v new file mode 100644 index 000000000..8f91d8263 --- /dev/null +++ b/fpga/usrp2/control_lib/decoder_3_8.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 decoder_3_8 + (input [2:0] sel, + output reg [7:0] res); + + always @(sel or res) + begin + case (sel) + 3'b000 : res = 8'b00000001; + 3'b001 : res = 8'b00000010; + 3'b010 : res = 8'b00000100; + 3'b011 : res = 8'b00001000; + 3'b100 : res = 8'b00010000; + 3'b101 : res = 8'b00100000; + 3'b110 : res = 8'b01000000; + default : res = 8'b10000000; + endcase // case(sel) + end // always @ (sel or res) + +endmodule // decoder_3_8 + |