Initial commit

test_audio_wasm/beep.c

@@ -0,0 +1,13 @@
+#include <stdint.h>
+#include "math.h"
+#define SAMPLE_COUNT 44100
+
+static float SAMPLES[SAMPLE_COUNT];
+
+float* get_samples() { return SAMPLES; }
+
+void beep(uint32_t sample_rate, float freq) {
+    for (int i = 0; i < SAMPLE_COUNT; ++i) {
+        SAMPLES[i] = sintau((float)i * freq / (float)sample_rate);
+    }
+}