initial commit

libraries/FastLED/src/platforms/audio_input_null.hpp

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+#pragma once
+
+#include "fl/unused.h"
+#include "fl/audio_input.h"
+
+namespace fl {
+
+class Null_Audio : public IAudioInput {
+public:
+    ~Null_Audio() = default;
+    // Starts the audio source.
+    void start() override {}
+    // Stops the audio source, call this before light sleep.
+    void stop() override {}
+
+    bool error(fl::string* msg = nullptr) override {
+        if (msg) {
+            *msg = "No audio device available: this is a null device.";
+        }
+        return true;
+    }
+    // Read audio data and return as AudioSample with calculated timestamp.
+    // Returns invalid AudioSample on error or when no data is available.
+    AudioSample read() override {
+        return AudioSample();  // Always return invalid sample
+    }
+
+};
+
+}  // namespace fl