mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-13 09:44:31 -05:00
128 lines
4.3 KiB
C++
128 lines
4.3 KiB
C++
/*
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* Copyright (C) 2024 HTotoo
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "proc_ook_stream_tx.hpp"
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#include "sine_table_int8.hpp"
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#include "portapack_shared_memory.hpp"
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#include "event_m4.hpp"
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#include "utility.hpp"
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OOKProcessorStreamed::OOKProcessorStreamed() {
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configured = false;
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baseband_thread.start();
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}
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inline void OOKProcessorStreamed::write_sample(const buffer_c8_t& buffer, bool bit_value, size_t i) {
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int8_t re, im;
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if (bit_value) {
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phase = (phase + 200); // What ?
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sphase = phase + (64 << 18);
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re = (sine_table_i8[(sphase & 0x03FC0000) >> 18]);
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im = (sine_table_i8[(phase & 0x03FC0000) >> 18]);
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} else {
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re = 0;
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im = 0;
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}
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buffer.p[i] = {re, im};
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}
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void OOKProcessorStreamed::execute(const buffer_c8_t& buffer) {
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if (!configured || !stream) return;
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for (size_t i = 0; i < buffer.count; i++) {
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if (rem_samples <= curr_samples) {
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// get a new sample from stream
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int32_t sample = -13346;
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rem_samples = 0; // reset my pointer
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curr_samples = 0;
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size_t readed = 0;
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if (configured) readed = stream->read(&sample, 4); // read from stream // todo htotoo error handling?!
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if (readed == 0) {
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txprogress_message.progress = -10;
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shared_memory.application_queue.push(txprogress_message); // debug
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} else {
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if (sample == endsignals[readerrs + 1]) { // if no more samples, stop
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readerrs++;
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if (readerrs == 2) {
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configured = false;
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txprogress_message.done = true;
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txprogress_message.progress = 100;
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curr_hilow = false;
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shared_memory.application_queue.push(txprogress_message);
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}
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} else {
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if (sample < 0) {
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rem_samples = OOK_SAMPLERATE * ((-1 * sample) / 1000000.0);
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curr_hilow = false;
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} else {
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rem_samples = OOK_SAMPLERATE * (sample / 1000000.0);
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curr_hilow = true;
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}
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}
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}
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}
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++curr_samples;
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write_sample(buffer, curr_hilow, i);
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}
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}
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void OOKProcessorStreamed::on_message(const Message* const message) {
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switch (message->id) {
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case Message::ID::ReplayConfig:
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configured = false;
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replay_config(*reinterpret_cast<const ReplayConfigMessage*>(message));
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break;
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case Message::ID::FIFOData:
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configured = true;
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txprogress_message.progress = -4;
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shared_memory.application_queue.push(txprogress_message);
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break;
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default:
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break;
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}
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}
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void OOKProcessorStreamed::replay_config(const ReplayConfigMessage& message) {
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if (message.config) {
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txprogress_message.progress = -2;
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shared_memory.application_queue.push(txprogress_message);
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stream = std::make_unique<StreamOutput>(message.config);
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// Tell application that the buffers and FIFO pointers are ready, prefill
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RequestSignalMessage sig_message{RequestSignalMessage::Signal::FillRequest};
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shared_memory.application_queue.push(sig_message);
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} else {
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txprogress_message.progress = -3;
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shared_memory.application_queue.push(txprogress_message);
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stream.reset();
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}
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}
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int main() {
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EventDispatcher event_dispatcher{std::make_unique<OOKProcessorStreamed>()};
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event_dispatcher.run();
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return 0;
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}
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