mcu_msg_version
enum mcu_msg_version mailbox_version;
enum mcu_msg_version version = msg->header.version;
enum mcu_msg_version version = msg->header.version;
enum mcu_msg_version version = msg->header.version;
enum mcu_msg_version version = msg->header.version;
enum mcu_msg_version version = msg->header.version;
enum mcu_msg_version version = msg->header.version;
enum mcu_msg_version version = param->version;
enum mcu_msg_version version = param->version;
enum mcu_msg_version version;
enum mcu_msg_version version;