C++ (Cpp) common_tc_read_count примеры использования

Пример #1

Файл: time.c Проект: keeepcool/Backup

/*************************************************************************//**
*****************************************************************************/
uint32_t appTimeGet(void)
{
	uint16_t current_sys_time;
	uint32_t current_time;

	do {
		current_sys_time = sys_time;
		current_time = current_sys_time;
		current_time = current_time << 16;
		current_time = current_time | common_tc_read_count();
	} while (current_sys_time != sys_time);

	return current_time;
}

Пример #2

Файл: common_sw_timer.c Проект: InSoonPark/asf

static inline uint32_t gettime(void)
{
	uint16_t current_sys_time;
	uint32_t current_time;

	do {
		current_sys_time = sys_time;
		current_time = current_sys_time;
		current_time = current_time << 16;
		current_time = current_time | common_tc_read_count();

		/*
		 * This calculation is valid only if the timer has not rolled
		 * over.
		 * The sys_time variable may have changed in the timer overflow
		 * ISR.
		 */
	} while (current_sys_time != sys_time);

	return current_time;
}