// ms
svoid dm_changeTimerRate(O moduleOrID, int newRate) {
  O m = dm_getModule(moduleOrID);
  set(m, mainTimer := call(get(m, 'mainTimer), 'changeRate, newRate));
}

// seconds
svoid dm_changeTimerRate(O moduleOrID, double newRate) {
  dm_changeTimerRate(moduleOrID, toMS_int(newRate));
}