Added support for multiple sample rates in IQ record

Support for any sample rate <= 500k in IQ replay
Fixed bias-t power not activating in TX
Removed RSSI pitch output option (awful code)
Udated binary

firmware/application/apps/capture_app.cpp

@@ -35,6 +35,7 @@ CaptureAppView::CaptureAppView(NavigationView& nav) {
 	baseband::run_image(portapack::spi_flash::image_tag_capture);
 
 	add_children({
+		&labels,
 		&rssi,
 		&channel,
 		&field_frequency,
@@ -42,6 +43,7 @@ CaptureAppView::CaptureAppView(NavigationView& nav) {
 		&field_rf_amp,
 		&field_lna,
 		&field_vga,
+		&option_bandwidth,
 		&record_view,
 		&waterfall,
 	});
@@ -65,6 +67,16 @@ CaptureAppView::CaptureAppView(NavigationView& nav) {
 		receiver_model.set_frequency_step(v);
 		this->field_frequency.set_step(v);
 	};
+	
+	option_bandwidth.on_change = [this](size_t, uint32_t divider) {
+		sampling_rate = 4000000 / divider;
+		
+		waterfall.on_hide();
+		set_target_frequency(target_frequency());
+		record_view.set_sampling_rate(sampling_rate);
+		radio::set_baseband_rate(sampling_rate);
+		waterfall.on_show();
+	};
 
 	radio::enable({
 		tuning_frequency(),
@@ -75,8 +87,9 @@ CaptureAppView::CaptureAppView(NavigationView& nav) {
 		static_cast<int8_t>(receiver_model.lna()),
 		static_cast<int8_t>(receiver_model.vga()),
 	});
+	
+	option_bandwidth.set_selected_index(4);		// 500k
 
-	record_view.set_sampling_rate(sampling_rate / 8);
 	record_view.on_error = [&nav](std::string message) {
 		nav.display_modal("Error", message);
 	};

firmware/application/apps/capture_app.hpp

@@ -47,9 +47,9 @@ public:
 	std::string title() const override { return "Capture"; };
 
 private:
-	static constexpr ui::Dim header_height = 2 * 16;
+	static constexpr ui::Dim header_height = 3 * 16;
 
-	static constexpr uint32_t sampling_rate = 4000000;
+	uint32_t sampling_rate = 0;
 	static constexpr uint32_t baseband_bandwidth = 2500000;
 
 	void on_target_frequency_changed(rf::Frequency f);
@@ -59,6 +59,10 @@ private:
 
 	rf::Frequency tuning_frequency() const;
 
+	Labels labels {
+		{ { 0 * 8, 1 * 16 }, "Rate:", Color::light_grey() },
+	};
+	
 	RSSI rssi {
 		{ 24 * 8, 0, 6 * 8, 4 },
 	};
@@ -87,8 +91,20 @@ private:
 		{ 21 * 8, 0 * 16 }
 	};
 
+	OptionsField option_bandwidth {
+		{ 5 * 8, 1 * 16 },
+		4,
+		{
+			{ " 25k", 20 },
+			{ " 50k", 10 },
+			{ "100k", 5 },
+			{ "250k", 2 },
+			{ "500k", 1 }
+		}
+	};
+	
 	RecordView record_view {
-		{ 0 * 8, 1 * 16, 30 * 8, 1 * 16 },
+		{ 0 * 8, 2 * 16, 30 * 8, 1 * 16 },
 		u"BBD_????", RecordView::FileType::RawS16, 16384, 3
 	};
 

firmware/application/apps/replay_app.cpp

@@ -51,30 +51,40 @@ void ReplayAppView::on_file_changed(std::filesystem::path new_file_path) {
 	
 	file_path = new_file_path;
 	
-	auto file_size = data_file.size();
-	auto duration = (file_size * 1000) / (2 * 2 * sampling_rate / 8);
-	
-	progressbar.set_max(file_size);
-	text_filename.set(file_path.filename().string().substr(0, 19));
-	text_duration.set(to_string_time_ms(duration));
-	
 	// Get original record frequency if available
 	std::filesystem::path info_file_path = file_path;
 	info_file_path.replace_extension(u".TXT");
 	
+	sample_rate = 500000;
+	
 	auto info_open_error = info_file.open("/" + info_file_path.string());
 	if (!info_open_error.is_valid()) {
 		memset(file_data, 0, 257);
 		auto read_size = info_file.read(file_data, 256);
 		if (!read_size.is_error()) {
-			auto pos = strstr(file_data, "center_frequency=");
-			if (pos) {
-				pos += 17;
-				field_frequency.set_value(strtoll(pos, nullptr, 10));
+			auto pos1 = strstr(file_data, "center_frequency=");
+			if (pos1) {
+				pos1 += 17;
+				field_frequency.set_value(strtoll(pos1, nullptr, 10));
+			}
+			
+			auto pos2 = strstr(file_data, "sample_rate=");
+			if (pos2) {
+				pos2 += 12;
+				sample_rate = strtoll(pos2, nullptr, 10);
 			}
 		}
 	}
 	
+	text_sample_rate.set(unit_auto_scale(sample_rate, 3, 0) + "Hz");
+	
+	auto file_size = data_file.size();
+	auto duration = (file_size * 1000) / (2 * 2 * sample_rate);
+	
+	progressbar.set_max(file_size);
+	text_filename.set(file_path.filename().string().substr(0, 12));
+	text_duration.set(to_string_time_ms(duration));
+	
 	button_play.focus();
 }
 
@@ -117,6 +127,8 @@ void ReplayAppView::start() {
 
 	if( reader ) {
 		button_play.set_bitmap(&bitmap_stop);
+		baseband::set_sample_rate(sample_rate * 8);
+		
 		replay_thread = std::make_unique<ReplayThread>(
 			std::move(reader),
 			read_size, buffer_count,
@@ -130,7 +142,7 @@ void ReplayAppView::start() {
 	
 	radio::enable({
 		receiver_model.tuning_frequency(),
-		sampling_rate,
+		sample_rate * 8 ,
 		baseband_bandwidth,
 		rf::Direction::Transmit,
 		receiver_model.rf_amp(),
@@ -172,6 +184,7 @@ ReplayAppView::ReplayAppView(
 		&labels,
 		&button_open,
 		&text_filename,
+		&text_sample_rate,
 		&text_duration,
 		&progressbar,
 		&field_frequency,

firmware/application/apps/replay_app.hpp

@@ -50,7 +50,7 @@ private:
 	
 	static constexpr ui::Dim header_height = 3 * 16;
 	
-	static constexpr uint32_t sampling_rate = 4000000;
+	uint32_t sample_rate = 0;
 	static constexpr uint32_t baseband_bandwidth = 2500000;
 	const size_t read_size { 16384 };
 	const size_t buffer_count { 3 };
@@ -76,7 +76,6 @@ private:
 
 	Labels labels {
 		{ { 10 * 8, 2 * 16 }, "LNA:   A:", Color::light_grey() }
-		//{ { 10 * 8, 2 * 16 }, "500ksps", Color::light_grey() }
 	};
 	
 	Button button_open {
@@ -85,9 +84,14 @@ private:
 	};
 	
 	Text text_filename {
-		{ 11 * 8, 0 * 16, 19 * 8, 16 },
+		{ 11 * 8, 0 * 16, 12 * 8, 16 },
 		"-"
 	};
+	Text text_sample_rate {
+		{ 24 * 8, 0 * 16, 6 * 8, 16 },
+		"-"
+	};
+	
 	Text text_duration {
 		{ 11 * 8, 1 * 16, 6 * 8, 16 },
 		"-"

firmware/application/apps/ui_about.hpp

@@ -97,7 +97,7 @@ private:
 		{ 1 * 8, 	" Windyoona         Channels",		0 },
 		{ 1 * 8, 	"   F4GEV             Pyr3x",		0 },
 		{ 1 * 8,    "  HB3YOE",							24 },
-		{ 12 * 8,	            "MMXVII",				-1 }
+		{ 11 * 8,	            "MMXVIII",				-1 }
 	};
 	
 	CreditsWidget credits_display {

firmware/application/apps/ui_setup.cpp

@@ -135,9 +135,9 @@ SetRadioView::SetRadioView(
 
 	form_init(model);
 
-	check_bias.set_value(receiver_model.antenna_bias());
+	check_bias.set_value(portapack::get_antenna_bias());
 	check_bias.on_select = [this](Checkbox&, bool v) {
-		receiver_model.set_antenna_bias(v);
+		portapack::set_antenna_bias(v);
 		StatusRefreshMessage message { };
 		EventDispatcher::send_message(message);
 	};