Method read

Sming/Arch/Host/Components/driver/hw_timer.cpp:102–110

	}

	uint32_t read()
	{
		auto elapsed = now() - start_time;
		if(elapsed >= interval) {
			return 0;
		} else {
			return (interval - elapsed) * base_ticks_per_us::num / divisor;
		}
	}

protected:
	void* thread_routine() override;