Bias-T now works in capture mode

Simplified soundboard app, still some work to do
Merge remote-tracking branch 'upstream/master'

firmware/application/apps/soundboard_app.cpp

@@ -0,0 +1,250 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2016 Furrtek
+ *
+ * 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.
+ */
+
+// To prepare samples: for f in ./*.wav; do sox "$f" -r 48000 -c 1 -b8 --norm "conv/$f"; done
+
+#include "soundboard_app.hpp"
+#include "string_format.hpp"
+#include "tonesets.hpp"
+
+using namespace tonekey;
+using namespace portapack;
+
+namespace ui {
+
+bool SoundBoardView::is_active() const {
+	return (bool)replay_thread;
+}
+
+void SoundBoardView::stop() {
+	if (is_active())
+		replay_thread.reset();
+	
+	transmitter_model.disable();
+	tx_view.set_transmitting(false);
+	
+	//button_play.set_bitmap(&bitmap_play);
+	ready_signal = false;
+}
+
+void SoundBoardView::handle_replay_thread_done(const uint32_t return_code) {
+	stop();
+	progressbar.set_value(0);
+	
+	if (return_code == ReplayThread::END_OF_FILE) {
+		if (check_random.value()) {
+			lfsr_v = lfsr_iterate(lfsr_v);
+			playing_id = lfsr_v % file_list.size();
+			menu_view.set_highlighted(playing_id);
+			start_tx(playing_id);
+		} else if (check_loop.value()) {
+			start_tx(playing_id);
+		}
+	} else if (return_code == ReplayThread::READ_ERROR) {
+		file_error();
+	}
+}
+
+void SoundBoardView::set_ready() {
+	ready_signal = true;
+}
+
+void SoundBoardView::focus() {
+	menu_view.focus();
+}
+
+void SoundBoardView::file_error() {
+	nav_.display_modal("Error", "File read error.");
+}
+
+void SoundBoardView::start_tx(const uint32_t id) {
+	auto reader = std::make_unique<WAVFileReader>();
+	uint32_t tone_key_index = options_tone_key.selected_index();
+	uint32_t sample_rate;
+	
+	stop();
+
+	if (!reader->open(u"/WAV/" + file_list[id].native())) {
+		file_error();
+		return;
+	}
+	
+	playing_id = id;
+	
+	progressbar.set_max(reader->sample_count());
+	
+	//button_play.set_bitmap(&bitmap_stop);
+	
+	sample_rate = reader->sample_rate();
+	
+	replay_thread = std::make_unique<ReplayThread>(
+		std::move(reader),
+		read_size, buffer_count,
+		&ready_signal,
+		[](uint32_t return_code) {
+			ReplayThreadDoneMessage message { return_code };
+			EventDispatcher::send_message(message);
+		}
+	);
+	
+	baseband::set_audiotx_config(
+		1536000 / 20,		// Update vu-meter at 20Hz
+		transmitter_model.channel_bandwidth(),
+		0,	// Gain is unused
+		TONES_F2D(tone_key_frequency(tone_key_index), 1536000)
+	);
+	baseband::set_sample_rate(sample_rate);
+	
+	transmitter_model.set_sampling_rate(1536000);
+	transmitter_model.set_baseband_bandwidth(1750000);
+	transmitter_model.enable();
+	
+	tx_view.set_transmitting(true);
+}
+
+/*void SoundBoardView::show_infos() {
+	if (!reader->open(file_list[menu_view.highlighted_index()]))
+		return;
+	
+	text_duration.set(to_string_time_ms(reader->ms_duration()));
+	text_title.set(reader->title().substr(0, 15));
+}*/
+
+void SoundBoardView::on_tx_progress(const uint32_t progress) {
+	progressbar.set_value(progress);
+}
+
+void SoundBoardView::on_select_entry() {
+	tx_view.focus();
+}
+
+void SoundBoardView::refresh_list() {
+	auto reader = std::make_unique<WAVFileReader>();
+	
+	file_list.clear();
+	
+	// List directories and files, put directories up top
+	for (const auto& entry : std::filesystem::directory_iterator(u"WAV", u"*")) {
+		if (std::filesystem::is_regular_file(entry.status())) {
+			if (entry.path().string().length()) {
+			
+				auto entry_extension = entry.path().extension().string();
+			
+				for (auto &c: entry_extension)
+					c = toupper(c);
+				
+				if (entry_extension == ".WAV") {
+					
+					if (reader->open(u"/WAV/" + entry.path().native())) {
+						if ((reader->channels() == 1) && (reader->bits_per_sample() == 8)) {
+							//sounds[c].ms_duration = reader->ms_duration();
+							//sounds[c].path = u"WAV/" + entry.path().native();
+							file_list.push_back(entry.path());
+							if (file_list.size() == 100)
+								break;
+						}
+					}
+				}
+			}
+		}
+	}
+	
+	if (!file_list.size()) {
+		// Hide widgets, show warning
+		menu_view.hidden(true);
+		text_empty.hidden(false);
+		set_dirty();
+	} else {
+		// Hide warning, show widgets
+		menu_view.hidden(false);
+		text_empty.hidden(true);
+		set_dirty();
+	
+		menu_view.clear();
+		
+		for (size_t n = 0; n < file_list.size(); n++) {
+			menu_view.add_item({
+				file_list[n].string().substr(0, 30),
+				ui::Color::white(),
+				nullptr,
+				[this](){
+					on_select_entry();
+				}
+			});
+		}
+		
+		menu_view.set_highlighted(0);	// Refresh
+	}
+}
+
+SoundBoardView::SoundBoardView(
+	NavigationView& nav
+) : nav_ (nav)
+{
+	baseband::run_image(portapack::spi_flash::image_tag_audio_tx);
+	
+	add_children({
+		&labels,
+		&menu_view,
+		&text_empty,
+		&options_tone_key,
+		&text_title,
+		&text_duration,
+		&progressbar,
+		&check_loop,
+		&check_random,
+		&tx_view
+	});
+	
+	refresh_list();
+	
+	text_title.set(to_string_dec_uint(file_list.size()));
+	
+	tone_keys_populate(options_tone_key);
+	options_tone_key.set_selected_index(0);
+	
+	check_loop.set_value(false);
+	check_random.set_value(false);
+
+	tx_view.on_edit_frequency = [this, &nav]() {
+		auto new_view = nav.push<FrequencyKeypadView>(receiver_model.tuning_frequency());
+		new_view->on_changed = [this](rf::Frequency f) {
+			transmitter_model.set_tuning_frequency(f);
+		};
+	};
+	
+	tx_view.on_start = [this]() {
+		start_tx(menu_view.highlighted_index());
+	};
+	
+	tx_view.on_stop = [this]() {
+		tx_view.set_transmitting(false);
+		stop();
+	};
+}
+
+SoundBoardView::~SoundBoardView() {
+	transmitter_model.disable();
+	baseband::shutdown();
+}
+
+}