WIP

1 files changed, 32 insertions, 0 deletions

diff --git a/src/audio/include/i2s_audio_output.hpp b/src/audio/include/i2s_audio_output.hpp
new file mode 100644
index 00000000..cd542f71
--- /dev/null
+++ b/src/audio/include/i2s_audio_output.hpp
@@ -0,0 +1,32 @@
+#pragma once
+
+#include <cstdint>
+#include <memory>
+
+#include "result.hpp"
+
+#include "dac.hpp"
+#include "gpio_expander.hpp"
+
+namespace drivers {
+
+class I2SAudioOutput : public IAudioOutput {
+ public:
+  enum Error { DAC_CONFIG, I2S_CONFIG, STREAM_INIT };
+  static auto create(GpioExpander* expander)
+      -> cpp::result<std::unique_ptr<I2SAudioOutput>, Error>;
+
+  I2SAudioOutput(std::unique_ptr<AudioDac>& dac,
+                 audio_element_handle_t element);
+  ~I2SAudioOutput();
+
+  virtual auto SetVolume(uint8_t volume) -> void;
+  virtual auto Configure(audio_element_info_t& info) -> void;
+  virtual auto SetSoftMute(bool enabled) -> void;
+
+ private:
+  std::unique_ptr<AudioDac> dac_;
+  bool is_soft_muted_ = false;
+};
+
+}  // namespace drivers