Application selection at build time

Fix DisplayAppRecovery so it builds with -std=c++20.

src/components/gfx/Gfx.cpp

@@ -141,7 +141,7 @@ void Gfx::SetBackgroundColor(uint16_t color) {
 bool Gfx::GetNextBuffer(uint8_t** data, size_t& size) {
   if (!state.busy)
     return false;
-  state.remainingIterations--;
+  state.remainingIterations = state.remainingIterations-1;
   if (state.remainingIterations == 0) {
     state.busy = false;
     NotifyEndOfTransfer(state.taskToNotify);
@@ -170,7 +170,7 @@ bool Gfx::GetNextBuffer(uint8_t** data, size_t& size) {
     size = bytes_in_line * 8 * 2;
   }
 
-  state.currentIteration++;
+  state.currentIteration = state.currentIteration + 1;
 
   return true;
 }

src/displayapp/DisplayAppRecovery.cpp

@@ -121,3 +121,12 @@ void DisplayApp::PushMessage(Display::Messages msg) {
 
 void DisplayApp::Register(Pinetime::System::SystemTask* /*systemTask*/) {
 }
+
+void DisplayApp::Register(Pinetime::Controllers::WeatherService* /*weatherService*/) {
+}
+
+void DisplayApp::Register(Pinetime::Controllers::MusicService* /*musicService*/) {
+}
+
+void DisplayApp::Register(Pinetime::Controllers::NavigationService* /*NavigationService*/) {
+}

src/displayapp/DisplayAppRecovery.h

@@ -34,6 +34,9 @@ namespace Pinetime {
     class AlarmController;
     class BrightnessController;
     class FS;
+    class WeatherService;
+    class MusicService;
+    class NavigationService;
   }
 
   namespace System {
@@ -66,6 +69,10 @@ namespace Pinetime {
 
       void PushMessage(Pinetime::Applications::Display::Messages msg);
       void Register(Pinetime::System::SystemTask* systemTask);
+      void Register(Pinetime::Controllers::WeatherService* weatherService);
+      void Register(Pinetime::Controllers::MusicService* musicService);
+      void Register(Pinetime::Controllers::NavigationService* NavigationService);
+
 
     private:
       TaskHandle_t taskHandle;