compatibility_feature.hpp

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/*
 * SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
 *
 * SPDX-License-Identifier: MIT
 */
#ifndef M5_UTILITY_COMPATIBILITY_FEATURE_HPP
#define M5_UTILITY_COMPATIBILITY_FEATURE_HPP
 
#include <type_traits>
 
namespace m5 {
namespace utility {
 
 
unsigned long millis();
 
unsigned long micros();
 
void delay(const unsigned long ms);
 
void delayMicroseconds(const unsigned int us);
 
 
using elapsed_time_t = unsigned long;
 
template <typename T>
inline T elapsedSince(const T start_at, const T now)
{
    return now - start_at;
}
 
inline elapsed_time_t elapsedSince(const elapsed_time_t start_at)
{
    return elapsedSince(start_at, millis());
}
 
template <typename T>
inline bool hasElapsed(const T start_at, const typename std::common_type<T>::type duration, const T now)
{
    return elapsedSince(start_at, now) >= duration;
}
 
inline bool hasElapsed(const elapsed_time_t start_at, const elapsed_time_t duration)
{
    return hasElapsed(start_at, duration, millis());
}
 
}  // namespace utility
}  // namespace m5
#endif