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https://github.com/eried/portapack-mayhem.git
synced 2025-09-19 12:34:48 -04:00
Added more SSTV modes
A bit more work done on Replay (still not enabled)
This commit is contained in:
furrtek
parent
6a0bcb9cca
commit
685e4c6e4b
19 changed files with 288 additions and 172 deletions
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@ -99,6 +99,7 @@ void SSTVTXView::on_tuning_frequency_changed(rf::Frequency f) {
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void SSTVTXView::prepare_scanline() {
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sstv_scanline scanline_buffer;
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uint32_t component, pixel_idx;
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uint8_t offset;
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if (scanline_counter >= (256 * 3)) {
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progressbar.set_value(0);
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@ -122,31 +123,33 @@ void SSTVTXView::prepare_scanline() {
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// Scanline time: 88.064ms (275.2us/pixel @ 320 pixels/line)
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component = scanline_counter % 3;
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if ((!scanline_counter) || (component == 2)) {
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if ((!scanline_counter && tx_sstv_mode->sync_on_first) || (component == tx_sstv_mode->sync_index)) {
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// Sync
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scanline_buffer.start_tone.frequency = SSTV_F2D(1200);
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scanline_buffer.start_tone.duration = SSTV_MS2S(9);
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} else
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scanline_buffer.start_tone.duration = tx_sstv_mode->samples_per_sync;
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scanline_buffer.gap_tone.frequency = SSTV_F2D(1500);
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scanline_buffer.gap_tone.duration = tx_sstv_mode->samples_per_gap;
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} else {
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// Regular scanline
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scanline_buffer.start_tone.duration = 0;
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if (tx_sstv_mode->gaps) {
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scanline_buffer.gap_tone.frequency = SSTV_F2D(1500);
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scanline_buffer.gap_tone.duration = tx_sstv_mode->samples_per_gap;
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}
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}
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scanline_buffer.gap_tone.frequency = SSTV_F2D(1500);
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scanline_buffer.gap_tone.duration = SSTV_MS2S(1.5);
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if (component == 0) {
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if (!component) {
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// Read a new line
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read_boundary(pixels_buffer,
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bmp_header.image_data + ((255 - (scanline_counter / 3)) * sizeof(pixels_buffer)),
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sizeof(pixels_buffer));
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}
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offset = component_map[component];
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for (uint32_t bmp_px = 0; bmp_px < 320; bmp_px++) {
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pixel_idx = bmp_px * 3;
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if (component == 0)
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scanline_buffer.luma[bmp_px] = pixels_buffer[pixel_idx + 1]; // Green
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else if (component == 1)
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scanline_buffer.luma[bmp_px] = pixels_buffer[pixel_idx]; // Blue
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else
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scanline_buffer.luma[bmp_px] = pixels_buffer[pixel_idx + 2]; // Red
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scanline_buffer.luma[bmp_px] = pixels_buffer[pixel_idx + offset];
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}
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baseband::set_fifo_data((int8_t *)&scanline_buffer);
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@ -155,15 +158,12 @@ void SSTVTXView::prepare_scanline() {
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}
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void SSTVTXView::start_tx() {
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// Baseband SSTV TX code should have a 2 scanlines buffer, and ask
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// for fill-up when there's 1 or less remaining. This should leave
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// enough time for the code here to generate the scanline data
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// before tx. See sstv.hpp:
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// Scottie 2 is 320x256 px
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// The baseband SSTV TX code (proc_sstv) has a 2-scanline buffer. It is preloaded before
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// TX start, and asks for fill-up when a new scanline starts being read. This should
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// leave enough time for the code in prepare_scanline() before it ends.
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scanline_counter = 0;
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prepare_scanline();
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prepare_scanline(); // Preload one scanline
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transmitter_model.set_sampling_rate(3072000U);
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transmitter_model.set_rf_amp(true);
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@ -171,8 +171,8 @@ void SSTVTXView::start_tx() {
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transmitter_model.enable();
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baseband::set_sstv_data(
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0b00011101, // Scottie 2, 275.2us/px
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(uint32_t)(0.0002752 * 3072000.0)
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tx_sstv_mode->vis_code,
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tx_sstv_mode->samples_per_pixel
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);
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// Todo: Find a better way to prevent user from changing bitmap during tx
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@ -180,13 +180,31 @@ void SSTVTXView::start_tx() {
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tx_view.focus();
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}
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void SSTVTXView::on_bitmap_changed(size_t index) {
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void SSTVTXView::on_bitmap_changed(const size_t index) {
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bmp_file.open("/sstv/" + bitmaps[index].string());
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bmp_file.read(&bmp_header, sizeof(bmp_header));
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progressbar.set_max(256 * 3);
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set_dirty();
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}
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void SSTVTXView::on_mode_changed(const size_t index) {
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sstv_color_seq tx_color_sequence;
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tx_sstv_mode = &sstv_modes[index];
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tx_color_sequence = sstv_modes[index].color_sequence;
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if (tx_color_sequence == SSTV_COLOR_RGB) {
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component_map[0] = 2;
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component_map[1] = 1;
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component_map[2] = 0;
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} else if (tx_color_sequence == SSTV_COLOR_GBR) {
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component_map[0] = 1;
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component_map[1] = 0;
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component_map[2] = 2;
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}
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progressbar.set_max(sstv_modes[index].lines * 3);
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}
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SSTVTXView::SSTVTXView(
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NavigationView& nav
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) : nav_ (nav)
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@ -195,7 +213,9 @@ SSTVTXView::SSTVTXView(
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using option_t = std::pair<std::string, int32_t>;
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using options_t = std::vector<option_t>;
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options_t bitmap_options;
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options_t mode_options;
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uint32_t c;
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// Search for valid bitmaps
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file_list = scan_root_files(u"/sstv", u"*.bmp");
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if (!file_list.size()) {
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@ -205,11 +225,11 @@ SSTVTXView::SSTVTXView(
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for (const auto& file_name : file_list) {
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if (!bmp_file.open("/sstv/" + file_name.string()).is_valid()) {
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bmp_file.read(&bmp_header, sizeof(bmp_header));
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if ((bmp_header.signature == 0x4D42) &&
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(bmp_header.width == 320) && // Must be == 320x256 pixels for now
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if ((bmp_header.signature == 0x4D42) && // "BM"
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(bmp_header.width == 320) && // Must be exactly 320x256 pixels for now
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(bmp_header.height == 256) &&
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(bmp_header.planes == 1) &&
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(bmp_header.bpp >= 24) && // 24 or 32 bpp
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(bmp_header.bpp == 24) && // 24 bpp only
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(bmp_header.compression == 0)) { // No compression
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bitmaps.push_back(file_name);
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}
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@ -227,21 +247,33 @@ SSTVTXView::SSTVTXView(
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add_children({
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&labels,
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&options_bitmaps,
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&text_mode,
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&options_modes,
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&progressbar,
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&tx_view
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});
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// Populate file list
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for (const auto& bitmap : bitmaps)
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bitmap_options.emplace_back(bitmap.string().substr(0, 16), 0);
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options_bitmaps.set_options(bitmap_options);
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// Populate mode list
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for (c = 0; c < SSTV_MODES_NB; c++)
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mode_options.emplace_back(sstv_modes[c].name, c);
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options_modes.set_options(mode_options);
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options_bitmaps.on_change = [this](size_t i, int32_t) {
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this->on_bitmap_changed(i);
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};
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options_bitmaps.set_selected_index(0);
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options_bitmaps.set_selected_index(0); // First file
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on_bitmap_changed(0);
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options_modes.on_change = [this](size_t i, int32_t) {
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this->on_mode_changed(i);
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};
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options_modes.set_selected_index(1); // Scottie 2
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on_mode_changed(1);
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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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