pckbport_poll_data1
(void)pckbport_poll_data1(t, slot);
c = pckbport_poll_data1(t, slot);
c = pckbport_poll_data1(t, slot);
c = pckbport_poll_data1(t, slot);
static int pckbport_poll_data1(pckbport_tag_t, pckbport_slot_t);