MAX_MBOX_COUNT
for (cnt = 1; cnt < MAX_MBOX_COUNT && index != 0; cnt++) {
uint16_t cnt, handle_cnt, mb[MAX_MBOX_COUNT];
uint16_t mb[MAX_MBOX_COUNT];
uint16_t mailbox_in[MAX_MBOX_COUNT]; /* Mailbox registers */
uint16_t mailbox_out[MAX_MBOX_COUNT]; /* Mailbox registers */
uint16_t mb[MAX_MBOX_COUNT];
uint16_t mb[MAX_MBOX_COUNT];