Beep-on-packet support in AIS app (#2064)

* Beep-on-packet support in AIS app

firmware/application/apps/ais_app.cpp

@@ -20,6 +20,7 @@
  */
 
 #include "ais_app.hpp"
+#include "audio.hpp"
 
 #include "string_format.hpp"
 #include "database.hpp"
@@ -32,6 +33,8 @@ using namespace portapack;
 
 #include <algorithm>
 
+namespace pmem = portapack::persistent_memory;
+
 namespace ais {
 namespace format {
 
@@ -190,6 +193,10 @@ void AISLogger::on_packet(const ais::Packet& packet) {
     }
 
     log_file.write_entry(packet.received_at(), entry);
+
+    if (pmem::beep_on_packets()) {
+        baseband::request_audio_beep(1000, 24000, 60);
+    }
 }
 
 void AISRecentEntry::update(const ais::Packet& packet) {
@@ -377,6 +384,7 @@ AISAppView::AISAppView(NavigationView& nav)
         &field_lna,
         &field_vga,
         &rssi,
+        &field_volume,
         &channel,
         &recent_entries_view,
         &recent_entry_detail_view,
@@ -402,9 +410,15 @@ AISAppView::AISAppView(NavigationView& nav)
     if (logger) {
         logger->append(logs_dir / u"AIS.TXT");
     }
+
+    if (pmem::beep_on_packets()) {
+        audio::set_rate(audio::Rate::Hz_24000);
+        audio::output::start();
+    }
 }
 
 AISAppView::~AISAppView() {
+    audio::output::stop();
     receiver_model.disable();
     baseband::shutdown();
 }

firmware/application/apps/ais_app.hpp

@@ -209,6 +209,9 @@ class AISAppView : public View {
         {21 * 8, 0, 6 * 8, 4},
     };
 
+    AudioVolumeField field_volume{
+        {28 * 8, 0 * 16}};
+
     Channel channel{
         {21 * 8, 5, 6 * 8, 4},
     };

firmware/baseband/proc_ais.cpp

@@ -20,6 +20,7 @@
  */
 
 #include "proc_ais.hpp"
+#include "audio_dma.hpp"
 
 #include "portapack_shared_memory.hpp"
 
@@ -64,7 +65,17 @@ void AISProcessor::payload_handler(
     shared_memory.application_queue.push(message);
 }
 
+void AISProcessor::on_message(const Message* const message) {
+    if (message->id == Message::ID::AudioBeep)
+        on_beep_message(*reinterpret_cast<const AudioBeepMessage*>(message));
+}
+
+void AISProcessor::on_beep_message(const AudioBeepMessage& message) {
+    audio::dma::beep_start(message.freq, message.sample_rate, message.duration_ms);
+}
+
 int main() {
+    audio::dma::init_audio_out();
     EventDispatcher event_dispatcher{std::make_unique<AISProcessor>()};
     event_dispatcher.run();
     return 0;

firmware/baseband/proc_ais.hpp

@@ -74,13 +74,15 @@ class AISProcessor : public BasebandProcessor {
             this->payload_handler(packet);
         }};
 
+    void consume_symbol(const float symbol);
+    void payload_handler(const baseband::Packet& packet);
+    void on_message(const Message* const message);
+    void on_beep_message(const AudioBeepMessage& message);
+
     /* NB: Threads should be the last members in the class definition. */
     BasebandThread baseband_thread{
         baseband_fs, this, baseband::Direction::Receive, /*auto_start*/ false};
     RSSIThread rssi_thread{};
-
-    void consume_symbol(const float symbol);
-    void payload_handler(const baseband::Packet& packet);
 };
 
 #endif /*__PROC_AIS_H__*/