* Return slave pos or slaves_count if not found. */
static inline uint8_t
find_slave_by_id(uint8_t *slaves, uint8_t slaves_count, uint8_t slave_id) {
* Return slave pos or slaves_count if not found. */
static inline uint8_t
find_slave_by_id(uint8_t *slaves, uint8_t slaves_count, uint8_t slave_id) {