1 files changed, 25 insertions, 0 deletions
diff --git a/firmware/src/adc.hpp b/firmware/src/adc.hpp
new file mode 100644
index 0000000..a3bd0b0
--- /dev/null
+++ b/firmware/src/adc.hpp
@@ -0,0 +1,25 @@
+#include <array>
+#include <cstdint>
+
+namespace adc
+{
+
+struct Sample
+{
+    std::uint8_t value {0};
+    bool changed {false};
+};
+
+void
+init()
+{
+}
+
+std::array<Sample, 2>
+get_samples()
+{
+    // TODO: scale 12-bit range into MIDI 7-bit range with hysteresis
+    return std::array<Sample, 2>{{{}, {}}};
+}
+
+}