system_timing.hpp

//================================================================================================
/// @file system_timing.cpp
///
/// @brief Utility class for getting system time and handling u32 time rollover
/// @author Adrian Del Grosso
///
/// @copyright 2022 The Open-Agriculture Developers
//================================================================================================

#include <cstdint>

namespace isobus
{
	class SystemTiming
	{
	public:
		static std::uint32_t get_timestamp_ms();
		static std::uint64_t get_timestamp_us();

		static std::uint32_t get_time_elapsed_ms(std::uint32_t timestamp_ms);
		static std::uint64_t get_time_elapsed_us(std::uint64_t timestamp_us);

		static bool time_expired_ms(std::uint32_t timestamp_ms, std::uint32_t timeout_ms);
		static bool time_expired_us(std::uint64_t timestamp_us, std::uint64_t timeout_us);

	private:
		static std::uint32_t incrementing_difference(std::uint32_t currentValue, std::uint32_t previousValue);
		static std::uint64_t incrementing_difference(std::uint64_t currentValue, std::uint64_t previousValue);
		static std::uint64_t s_timestamp_ms;
		static std::uint64_t s_timestamp_us;
	};

} // namespace isobus