common.h

/*
 * uuid-common - Microcontroller common utilities
 * Copyright 2019,2022  Simon Arlott
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef UUID_COMMON_H_
#define UUID_COMMON_H_
 
#include <Arduino.h>
 
#if __has_include(<mutex>)
# include <mutex>
#endif
#include <string>
#include <vector>
 
#ifndef UUID_COMMON_STD_MUTEX_AVAILABLE
# if __has_include(<mutex>) && (!defined(_GLIBCXX_MUTEX) || defined(_GLIBCXX_HAS_GTHREADS))
#  define UUID_COMMON_STD_MUTEX_AVAILABLE 1
# else
#  define UUID_COMMON_STD_MUTEX_AVAILABLE 0
# endif
#endif
 
#if defined(DOXYGEN) || defined(ARDUINO_ARCH_ESP32) || UUID_COMMON_STD_MUTEX_AVAILABLE
# define UUID_COMMON_THREAD_SAFE 1
#else
# define UUID_COMMON_THREAD_SAFE 0
#endif
 
namespace uuid {
 
#if UUID_COMMON_THREAD_SAFE
static constexpr bool thread_safe = true;
#else
static constexpr bool thread_safe = false;
#endif
 
std::string read_flash_string(const __FlashStringHelper *flash_str);
 
size_t print_to_string(const Printable &printable, std::string &output);
 
std::string printable_to_string(const Printable &printable);
 
using flash_string_vector = std::vector<const __FlashStringHelper*>;
 
void loop();
 
uint64_t get_uptime_ms();
 
} // namespace uuid
 
#endif