mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-13 19:54:39 +00:00
152 lines
3.6 KiB
C++
152 lines
3.6 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2016 Furrtek
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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 "ui_pocsag_tx.hpp"
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#include "pocsag.hpp"
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#include "baseband_api.hpp"
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#include "string_format.hpp"
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#include "portapack_persistent_memory.hpp"
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#include <cstring>
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#include <stdio.h>
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#include <math.h>
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using namespace portapack;
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using namespace pocsag;
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namespace ui {
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void POCSAGTXView::focus() {
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tx_view.focus();
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}
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POCSAGTXView::~POCSAGTXView() {
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transmitter_model.disable();
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baseband::shutdown();
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}
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void POCSAGTXView::on_tx_progress(const int progress, const bool done) {
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if (done) {
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transmitter_model.disable();
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progressbar.set_value(0);
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tx_view.set_transmitting(false);
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} else
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progressbar.set_value(progress);
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}
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void POCSAGTXView::start_tx() {
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uint32_t total_frames, i, codeword, bi, address;
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pocsag::BitRate bitrate;
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std::vector<uint32_t> codewords;
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address = address_field.value_dec_u32();
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if (address > 0x1FFFFFU)
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address = 0; // Todo: Error screen
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pocsag_encode(BCH_code, message, address, codewords);
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total_frames = codewords.size() / 2;
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progressbar.set_max(total_frames);
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transmitter_model.set_sampling_rate(2280000);
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transmitter_model.set_rf_amp(true);
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transmitter_model.set_lna(40);
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transmitter_model.set_vga(40);
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transmitter_model.set_baseband_bandwidth(1750000);
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transmitter_model.enable();
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uint8_t * data_ptr = shared_memory.bb_data.data;
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bi = 0;
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for (i = 0; i < codewords.size(); i++) {
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codeword = codewords[i];
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data_ptr[bi++] = (codeword >> 24) & 0xFF;
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data_ptr[bi++] = (codeword >> 16) & 0xFF;
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data_ptr[bi++] = (codeword >> 8) & 0xFF;
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data_ptr[bi++] = codeword & 0xFF;
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}
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text_debug_a.set("Codewords: " + to_string_dec_uint(codewords.size()));
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bitrate = pocsag_bitrates[options_bitrate.selected_index()];
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baseband::set_fsk_data(
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codewords.size() * 32,
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2280000 / bitrate,
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4500,
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64
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);
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}
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void POCSAGTXView::paint(Painter&) {
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message = buffer;
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text_message.set("Message:" + message);
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}
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void POCSAGTXView::on_set_text(NavigationView& nav) {
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textentry(nav, buffer, 16);
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}
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POCSAGTXView::POCSAGTXView(NavigationView& nav) {
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baseband::run_image(portapack::spi_flash::image_tag_fsktx);
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add_children({
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&text_debug_a,
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&text_address,
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&address_field,
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&options_bitrate,
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&text_message,
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&button_message,
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&progressbar,
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&tx_view
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});
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options_bitrate.set_selected_index(1); // 1200bps
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button_message.on_select = [this, &nav](Button&) {
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this->on_set_text(nav);
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};
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tx_view.on_edit_frequency = [this, &nav]() {
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auto new_view = nav.push<FrequencyKeypadView>(receiver_model.tuning_frequency());
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new_view->on_changed = [this](rf::Frequency f) {
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receiver_model.set_tuning_frequency(f);
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};
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};
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tx_view.on_start = [this]() {
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tx_view.set_transmitting(true);
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start_tx();
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};
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tx_view.on_stop = [this]() {
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tx_view.set_transmitting(false);
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};
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}
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} /* namespace ui */
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