/*@ ensures
@ (sb.getSensorsLength() > 0) ==>
@ ((g_sensor.isEnabled()) ==>
@ ((g_value >= 0 && g_value <= 1000) ==> (g_value == packet.lightLevel)));
@*/
private void setLightLevel(/*@non_null*/ final FormalInstancePacket packet) {
if (sb.getSensorsLength() > 0) {
final ISensor sensor = sb.getSensor(SensorIndexer.LIGHT);
// @ set g_sensor = sensor;
if (sensor.isEnabled()) {
sensor.measure();
final short value = (short) sensor.getValue();
// @ set g_value = value;
if (value >= 0 && value <= 1000) {
packet.setLightLevel(value);
}
}
}
}
