Rtty tx and rx (#2977)

2026-08-20 06:29:02 +00:00 · 2026-02-16 14:34:55 +01:00
parent 95eafeb812
commit 794daf5257
21 changed files with 1809 additions and 1 deletions
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2026 HTotoo
+ *
+ * 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 "ui_rtty_tx.hpp"
+
+#include "audio.hpp"
+#include "rtc_time.hpp"
+#include "baseband_api.hpp"
+#include "string_format.hpp"
+#include "portapack_persistent_memory.hpp"
+
+using namespace portapack;
+using namespace ui;
+
+namespace ui::external_app::rtty_tx {
+
+void RttyTxView::focus() {
+    options_baud.focus();
+}
+
+RttyTxView::RttyTxView(NavigationView& nav)
+    : nav_{nav} {
+    add_children({&tx_view,
+                  &labels,
+                  &options_baud,
+                  &options_shift,
+                  &btn_message,
+                  &text_message,
+                  &check_inverted,
+                  &options_tone,
+                  &text_tones});
+
+    options_baud.on_change = [this](size_t, int32_t value) {
+        baud_conf = value;
+    };
+    options_baud.set_by_value(baud_conf);
+
+    options_shift.on_change = [this](size_t, int32_t value) {
+        shift = value;
+        refresh_tones();
+    };
+    options_shift.set_by_value(shift);
+
+    btn_message.on_select = [this](Button&) {
+        text_prompt(nav_, message, 64, ENTER_KEYBOARD_MODE_ALPHA, [this](std::string& new_message) {
+            message = new_message;
+            text_message.set(message);  // maybe replace to console
+        });
+    };
+    text_message.set(message);
+    options_tone.set_by_value(mark_tone);
+    options_tone.on_change = [this](size_t, int32_t value) {
+        mark_tone = value;
+        refresh_tones();
+    };
+    check_inverted.on_select = [this](Checkbox&, bool) {
+        refresh_tones();
+    };
+
+    tx_view.on_edit_frequency = [this, &nav]() {
+        auto new_view = nav.push<FrequencyKeypadView>(transmitter_model.target_frequency());
+        new_view->on_changed = [this](rf::Frequency f) {
+            transmitter_model.set_target_frequency(f);
+        };
+    };
+
+    tx_view.on_start = [this]() {
+        if (message.empty()) {
+            nav_.display_modal("Error", "Message is empty. Please set a message to transmit.");
+            return;
+        }
+        baseband::run_prepared_image(portapack::memory::map::m4_code.base());
+        transmitter_model.set_baseband_bandwidth(2048000);
+        baseband::set_sample_rate(2048000, OversampleRate::None);
+        transmitter_model.set_sampling_rate(2048000);
+        transmitter_model.set_baseband_bandwidth(2048000);
+        transmitter_model.enable();
+        rtty_message.baud = baud_conf;
+        rtty_message.shift = shift;
+        rtty_message.inverted = false;  // check_inverted.value(); //i already invert it with the mark and space calculation
+        rtty_message.mark_tone = mark;
+        rtty_message.space_tone = space;
+        rtty_message.stopbits = stop_bits;
+        baudot_encoder.set_usos(false);  // to be compatible with all
+        baudot_encoder.encode(message, rtty_message.data, &rtty_message.data_len, rtty_message.max_len);
+        baseband::set_rtty_config(rtty_message);
+        tx_view.set_transmitting(true);
+    };
+
+    tx_view.on_stop = [this]() {
+        stop();
+    };
+
+    refresh_tones();
+}
+
+void RttyTxView::refresh_tones() {
+    std::string tones_str = "";
+
+    int16_t shift = options_shift.selected_index_value();
+    if (mark_tone == -32000) {
+        mark = -shift / 2;
+        space = shift / 2;
+    } else {
+        if (mark_tone < 0) {
+            space = -(shift + abs(mark_tone));
+        } else {
+            space = shift + mark_tone;
+        }
+        mark = mark_tone;
+    }
+
+    if (check_inverted.value()) {
+        int16_t tmp = mark;
+        mark = space;
+        space = tmp;
+    }
+    tones_str = "Mark:" + to_string_dec_int(mark) + " Hz, Space:" + to_string_dec_int(space) + " Hz";
+    text_tones.set(tones_str);
+}
+
+void RttyTxView::on_tx_progress(bool done) {
+    if (done) stop();
+}
+
+void RttyTxView::stop() {
+    tx_view.set_transmitting(false);
+    transmitter_model.disable();
+    baseband::shutdown();
+}
+
+RttyTxView::~RttyTxView() {
+    stop();
+}
+
+}  // namespace ui::external_app::rtty_tx