NUM_CCDS
_Static_assert((int)NUM_CCDS >= 8, "");
_Static_assert((int)NUM_CCDS >= 8, "");
_Static_assert((int)NUM_CCDS >= 12, "");
_Static_assert((int)NUM_CCDS >= 8, "");
_Static_assert((int)NUM_CCDS >= 8, "");