From fd3e84941de463fa1a7ebab0a69515b4bf2614cd Mon Sep 17 00:00:00 2001 From: Martin Braun Date: Tue, 7 Oct 2014 11:25:20 +0200 Subject: Removed copy of FPGA source files. --- fpga/usrp2/sdr_lib/rssi.v | 47 ----------------------------------------------- 1 file changed, 47 deletions(-) delete mode 100644 fpga/usrp2/sdr_lib/rssi.v (limited to 'fpga/usrp2/sdr_lib/rssi.v') diff --git a/fpga/usrp2/sdr_lib/rssi.v b/fpga/usrp2/sdr_lib/rssi.v deleted file mode 100644 index e931ff865..000000000 --- a/fpga/usrp2/sdr_lib/rssi.v +++ /dev/null @@ -1,47 +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 . -// - - - -module rssi (input clock, input reset, input enable, - input [11:0] adc, output [15:0] rssi, output [15:0] over_count); - - wire over_hi = (adc == 12'h7FF); - wire over_lo = (adc == 12'h800); - wire over = over_hi | over_lo; - - reg [25:0] over_count_int; - always @(posedge clock) - if(reset | ~enable) - over_count_int <= #1 26'd0; - else - over_count_int <= #1 over_count_int + (over ? 26'd65535 : 26'd0) - over_count_int[25:10]; - - assign over_count = over_count_int[25:10]; - - wire [11:0] abs_adc = adc[11] ? ~adc : adc; - - reg [25:0] rssi_int; - always @(posedge clock) - if(reset | ~enable) - rssi_int <= #1 26'd0; - else - rssi_int <= #1 rssi_int + abs_adc - rssi_int[25:10]; - - assign rssi = rssi_int[25:10]; - -endmodule // rssi -- cgit v1.2.3