Initial commit

synth.h

@@ -0,0 +1,29 @@
+#ifndef NOTE_H
+#define NOTE_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+typedef enum {
+    WAVE_NONE,
+    WAVE_SINE,
+    WAVE_SQUARE,
+    WAVE_SAW,
+    WAVE_TRIANGLE
+} Waveform;
+
+typedef struct {
+    float phase;
+    float freq;
+    float gain;
+    float attack_ms;
+    float release_ms;
+    float filter_cutoff;
+    float lp;
+    bool is_playing;
+    Waveform form;
+} Note;
+
+void play_note(Note *note, int16_t *buffer, int buffer_size);
+
+#endif // NOTE_H