choose_times
result = choose_times(tca->bank[bank].ontime, &c1, &c2);
result = choose_times(tca->bank[bank].offtime, &c1, &c2);
if (choose_times(led->ontime, &c1, &c2) < 0)
if (choose_times(led->offtime, &c1, &c2) < 0)