blinky-esp/main/utils.hpp

#pragma once

#include <cstdint>
#include <string>
#include <cstdio>


int64_t time_us();

std::string read_file(const char *path);
void write_file(const char *path, const std::string &data);
void write_file(const char *path, const char *data, int len = -1);