HPET_CONF_TIMER_INT_TYPE
timer->config |= HPET_CONF_TIMER_INT_TYPE;
#define HPET_GET_CONF_TIMER_INT_IS_LEVEL(timer) (((timer)->config & HPET_CONF_TIMER_INT_TYPE))
timer->config & HPET_CONF_TIMER_INT_TYPE ? "Level" : "Edge");
sTimer->config &= ~(HPET_CONF_TIMER_TYPE | HPET_CONF_TIMER_INT_TYPE);