Added state processing stage

state.h

@@ -2,30 +2,28 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include "input.h"
 #include "vco.h"
 
 typedef struct {
-	union {
-		struct {
-			float	clock_bpm;
-			float	vco_freq;
-			float	vco_volume;
-			float	filter_freq;
-			float	filter_resonance;
-			float	env1_attack;
-			float	env1_release;
-			float	env2_attack;
-			float	env2_release;
-			float	reverb_amount;
-		};
-		float array[16];
-	};
+	float		clock_bpm;
+
+	float		vco_freq;
+	float		vco_volume;
 	vco_mode_t	vco_mode;
+
+	float		filter_freq;
+	float		filter_resonance;
+
+	float		env1_attack;
+	float		env1_release;
+	float		env2_attack;
+	float		env2_release;
+
+	float		reverb_amount;
 	bool		quant_enabled;
 	bool		amen_enabled;
-
-	float dbg_sample;
 } state_t;
 
-extern state_t state;
+void update_state(state_t* state, input_t* input);