NEXIO_THRESHOLD
if (begin_x == -1 && packet->data[x] > NEXIO_THRESHOLD) {
if (end_x == -1 && begin_x != -1 && packet->data[x] < NEXIO_THRESHOLD) {
if (begin_y == -1 && packet->data[y] > NEXIO_THRESHOLD) {
begin_y != -1 && packet->data[y] < NEXIO_THRESHOLD) {