Use interrupt-based spi for the display

This solves our "audio stutters while scrolling" problem better! Turns
out the real root cause was the polling SPI driver blocking a whole CPU
during playback.

2 files changed, 2 insertions, 9 deletions

diff --git a/src/ui/include/ui_fsm.hpp b/src/ui/include/ui_fsm.hpp
index de97354e..b8d2b1a0 100644
--- a/src/ui/include/ui_fsm.hpp
+++ b/src/ui/include/ui_fsm.hpp
@@ -49,8 +49,8 @@ class UiState : public tinyfsm::Fsm<UiState> {
   void react(const tinyfsm::Event& ev) {}
 
   virtual void react(const system_fsm::BatteryStateChanged&);
-  virtual void react(const audio::PlaybackStarted&);
-  virtual void react(const audio::PlaybackFinished&);
+  virtual void react(const audio::PlaybackStarted&){};
+  virtual void react(const audio::PlaybackFinished&){};
   virtual void react(const audio::PlaybackUpdate&) {}
   virtual void react(const audio::QueueUpdate&) {}
 
diff --git a/src/ui/ui_fsm.cpp b/src/ui/ui_fsm.cpp
index 70a77c2a..eeaea500 100644
--- a/src/ui/ui_fsm.cpp
+++ b/src/ui/ui_fsm.cpp
@@ -91,13 +91,6 @@ void UiState::react(const system_fsm::BatteryStateChanged&) {
   UpdateTopBar();
 }
 
-void UiState::react(const audio::PlaybackStarted&) {
-  vTaskPrioritySet(NULL, 0);
-}
-void UiState::react(const audio::PlaybackFinished&) {
-  vTaskPrioritySet(NULL, 10);
-}
-
 void UiState::UpdateTopBar() {
   auto battery_state = sServices->battery().State();
   bool has_queue = sServices->track_queue().GetCurrent().has_value();