updated libraries

libraries/FastLED/examples/Audio/Audio.ino

@@ -2,6 +2,11 @@
 
 /*
 This demo is best viewed using the FastLED compiler.
+
+Windows/MacOS binaries: https://github.com/FastLED/FastLED/releases
+
+Python
+
 Install: pip install fastled
 Run: fastled <this sketch directory>
 This will compile and preview the sketch in the browser, and enable
@@ -11,6 +16,14 @@ all the UI elements you see below.
 #include <Arduino.h>
 #include <FastLED.h>
 
+#if !SKETCH_HAS_LOTS_OF_MEMORY
+// Platform does not have enough memory
+void setup() {}
+void loop() {}
+#else
+
+
+
 #include "fl/audio.h"
 #include "fl/downscale.h"
 #include "fl/draw_visitor.h"
@@ -21,9 +34,11 @@ all the UI elements you see below.
 #include "fl/time_alpha.h"
 #include "fl/ui.h"
 #include "fl/xypath.h"
-#include "fx.h"
+#include "fl/unused.h"
+#include "fx_audio.h"
 #include "fx/time.h"
 
+
 // Sketch.
 #include "fl/function.h"
 
@@ -34,6 +49,7 @@ using namespace fl;
 #define NUM_LEDS ((WIDTH) * (HEIGHT))
 #define IS_SERPINTINE false
 #define TIME_ANIMATION 1000 // ms
+#define PIN_DATA 3
 
 UITitle title("Simple control of an xy path");
 UIDescription description("This is more of a test for new features.");
@@ -106,7 +122,7 @@ void setup() {
         audioFadeTracker.setOutputTime(value);
         FASTLED_WARN("Output time seconds: " << value);
     });
-    FastLED.addLeds<NEOPIXEL, 2>(leds, ledsXY.getTotal())
+    FastLED.addLeds<NEOPIXEL, PIN_DATA>(leds, ledsXY.getTotal())
         .setScreenMap(screenmap);
 }
 
@@ -144,10 +160,6 @@ void loop() {
     if (triggered) {
         FASTLED_WARN("Triggered");
     }
-    // fl::clear(framebuffer);
-    // fl::clear(framebuffer);
-
-    static uint32_t frame = 0;
 
     // x = pointX.as_int();
     y = HEIGHT / 2;
@@ -164,6 +176,7 @@ void loop() {
         soundLevelMeter.processBlock(sample.pcm());
         // FASTLED_WARN("")
         auto dbfs = soundLevelMeter.getDBFS();
+        FASTLED_UNUSED(dbfs);
         // FASTLED_WARN("getDBFS: " << dbfs);
         int32_t max = 0;
         for (int i = 0; i < sample.pcm().size(); ++i) {
@@ -187,6 +200,7 @@ void loop() {
 
         if (enableFFT) {
             auto max_x = fftOut.bins_raw.size() - 1;
+            FASTLED_UNUSED(max_x);
             for (int i = 0; i < fftOut.bins_raw.size(); ++i) {
                 auto x = i;
                 auto v = fftOut.bins_db[i];
@@ -232,3 +246,5 @@ void loop() {
 
     FastLED.show();
 }
+
+#endif  // __AVR__

libraries/FastLED/examples/Audio/fx_audio.h

@@ -1,9 +1,7 @@
-#include <algorithm>
-#include <cstdint>
-#include <cmath>
-#include <cassert>
+
 
 #include "fl/time_alpha.h"
+#include "fl/math_macros.h"
 
 /// Tracks a smoothed peak with attack, decay, and output-inertia time-constants.
 class MaxFadeTracker {
@@ -34,8 +32,8 @@ public:
         // 1) block peak
         float peak = 0.0f;
         for (size_t i = 0; i < length; ++i) {
-            float v = std::abs(samples[i]) * (1.0f/32768.0f);
-            peak = std::max(peak, v);
+            float v = ABS(samples[i]) * (1.0f/32768.0f);
+            peak = MAX(peak, v);
         }
 
         // 2) time delta
@@ -43,15 +41,15 @@ public:
 
         // 3) update currentLevel_ with attack/decay
         if (peak > currentLevel_) {
-            float riseFactor = 1.0f - std::exp(-attackRate_ * dt);
+            float riseFactor = 1.0f - exp(-attackRate_ * dt);
             currentLevel_ += (peak - currentLevel_) * riseFactor;
         } else {
-            float decayFactor = std::exp(-decayRate_ * dt);
+            float decayFactor = exp(-decayRate_ * dt);
             currentLevel_ *= decayFactor;
         }
 
         // 4) output inertia: smooth smoothedOutput_ → currentLevel_
-        float outFactor = 1.0f - std::exp(-outputRate_ * dt);
+        float outFactor = 1.0f - exp(-outputRate_ * dt);
         smoothedOutput_ += (currentLevel_ - smoothedOutput_) * outFactor;
 
         return smoothedOutput_;