Class Sleep

modules/base/sleep/sleep.js:21–41

 */

export class Sleep {
	static install(handler) {
		// this dance allows handlers to be installed both at preload and run time
		if (Object.isFrozen(Sleep.prototype.handlers))
			Sleep.prototype.handlers = Array.from(Sleep.prototype.handlers);
		Sleep.prototype.handlers.push(handler);
	}

	static getPersistentValue(index) @ "xs_get_persistent_value";
	static setPersistentValue(index, value) @ "xs_set_persistent_value";
	static deep(ms) {
		Sleep.prototype.handlers.forEach(handler => (handler)());
		this.doSleepEM4(ms);
	}
	static doSleepEM4(ms) @ "xs_sleep_enter_em4";
	static getWakeupCause() @ "xs_sleep_get_reset_cause";
	static getWakeupPin() @ "xs_sleep_get_wakeup_pin";

	static getIdleSleepLevel() @ "xs_sleep_get_idle_sleep_level";
	static setIdleSleepLevel(level) @ "xs_sleep_set_idle_sleep_level";
};

Sleep.PowerOnReset		= 0b00000001;			// power applied
Sleep.ExternalReset		= 0b00000010;			// reset button