static struct bcm_msg make_bcm_head(uint32_t opcode, uint32_t can_id = 0, uint32_t flags = 0, const struct timeval& timeout = {0, 0}, const struct timeval& frequency_thinning = {0, 0});
static void add_one_bcm_frame(struct canfd_frame& cfd, struct bcm_msg& bcm_msg);
static struct bcm_msg make_bcm_head(uint32_t opcode, uint32_t can_id = 0, uint32_t flags = 0, const struct timeval& timeout = {0, 0}, const struct timeval& frequency_thinning = {0, 0});
static void add_one_bcm_frame(struct canfd_frame& cfd, struct bcm_msg& bcm_msg);