Bump axis limit

 * Pointer coordinate data.

 */

struct PointerCoords {

    enum { MAX_AXES = 14 }; // 14 so that sizeof(PointerCoords) == 64

    enum { MAX_AXES = 30 }; // 30 so that sizeof(PointerCoords) == 128

    // Bitfield of axes that are present in this structure.

    uint64_t bits __attribute__((aligned(8)));