Start on converting gpio expander interupts to fsm events

1 files changed, 13 insertions, 0 deletions

diff --git a/src/audio/audio_fsm.cpp b/src/audio/audio_fsm.cpp
index ffd0d5c3..1f4f1f44 100644
--- a/src/audio/audio_fsm.cpp
+++ b/src/audio/audio_fsm.cpp
@@ -11,6 +11,7 @@
 #include "audio_decoder.hpp"
 #include "audio_events.hpp"
 #include "audio_task.hpp"
+#include "event_queue.hpp"
 #include "fatfs_audio_input.hpp"
 #include "i2s_audio_output.hpp"
 #include "i2s_dac.hpp"
@@ -65,6 +66,18 @@ void AudioState::react(const system_fsm::StorageMounted& ev) {
   sDatabase = ev.db;
 }
 
+void AudioState::react(const system_fsm::KeyUpChanged& ev) {
+  if (ev.falling && sI2SOutput->AdjustVolumeUp()) {
+    events::Dispatch<VolumeChanged, ui::UiState>({});
+  }
+}
+
+void AudioState::react(const system_fsm::KeyDownChanged& ev) {
+  if (ev.falling && sI2SOutput->AdjustVolumeDown()) {
+    events::Dispatch<VolumeChanged, ui::UiState>({});
+  }
+}
+
 namespace states {
 
 void Uninitialised::react(const system_fsm::BootComplete&) {