HIGH_LEVEL_INTR
if (instance->isr_level == HIGH_LEVEL_INTR) {
instance->isr_level = HIGH_LEVEL_INTR;
if (instance->isr_level == HIGH_LEVEL_INTR) {
if (instance->isr_level == HIGH_LEVEL_INTR) {
if (instance->isr_level == HIGH_LEVEL_INTR) {
if (instance->isr_level == HIGH_LEVEL_INTR) {