/* * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc. * * This file is part of PortaPack. * * 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 2, 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; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, * Boston, MA 02110-1301, USA. */ #include "proc_wideband_spectrum.hpp" #include "event_m4.hpp" #include "i2s.hpp" using namespace lpc43xx; #include "dsp_fft.hpp" #include #include #include void WidebandSpectrum::execute(const buffer_c8_t& buffer) { // 2048 complex8_t samples per buffer. // 102.4us per buffer. 20480 instruction cycles per buffer. static int phase = 0; if( phase == 0 ) { std::fill(spectrum.begin(), spectrum.end(), 0); } for(size_t i=0; iid == Message::ID::UpdateSpectrum ) { channel_spectrum.update(); } }