#pragma once
#include "derivative.h"
#include "fft/fft.h"
#define FS 10000
#define RE FS / FFT_N
#define FREQ_BLACK 1500
#define FREQ_WHITE 4000
#define FREQ_SYNC 4500
#define FREQ_RANGE FREQ_WHITE - FREQ_BLACK
#define COLOR_SCALE 32
uint8_t decode_sstv();