#pragma once
#include <vector>

constexpr double BFSK_FREQ0   = 1000.0;  
constexpr double BFSK_FREQ1   = 2000.0;  
constexpr double BFSK_BAUD    = 100.0;   
constexpr int    SAMPLE_RATE  = 44100;   

std::vector<float> bfskModulate(const std::vector<unsigned char> &data);

std::vector<unsigned char> bfskDemodulate(const std::vector<float> &monoData);