Flesh out audio state machine for playback

Also fix mono playback

2 files changed, 9 insertions, 1 deletions

diff --git a/src/drivers/include/display.hpp b/src/drivers/include/display.hpp
index b394dd9e..4b63e1c4 100644
--- a/src/drivers/include/display.hpp
+++ b/src/drivers/include/display.hpp
@@ -43,6 +43,10 @@ class Display {
                    const lv_area_t* area,
                    lv_color_t* color_map);
 
+  // Not copyable or movable.
+  Display(const Display&) = delete;
+  Display& operator=(const Display&) = delete;
+
  private:
   GpioExpander* gpio_;
   spi_device_handle_t handle_;
diff --git a/src/drivers/include/i2s_dac.hpp b/src/drivers/include/i2s_dac.hpp
index 42c094b1..388d09fa 100644
--- a/src/drivers/include/i2s_dac.hpp
+++ b/src/drivers/include/i2s_dac.hpp
@@ -40,6 +40,10 @@ class I2SDac {
   auto Start() -> void;
   auto Stop() -> void;
 
+  enum Channels {
+    CHANNELS_MONO,
+    CHANNELS_STEREO,
+  };
   enum BitsPerSample {
     BPS_16 = I2S_DATA_BIT_WIDTH_16BIT,
     BPS_24 = I2S_DATA_BIT_WIDTH_24BIT,
@@ -56,7 +60,7 @@ class I2SDac {
     SAMPLE_RATE_192 = 192000,
   };
 
-  auto Reconfigure(BitsPerSample bps, SampleRate rate) -> void;
+  auto Reconfigure(Channels ch, BitsPerSample bps, SampleRate rate) -> void;
 
   auto WriteData(const cpp::span<const std::byte>& data) -> void;
   auto SetSource(StreamBufferHandle_t buffer) -> void;