forlinxHardware.c中,nbytes = recvfrom(canfd,&frame,sizeof(struct can_frame),0,(struct sockaddr *)&addr,&len); can实际收到数据了,但nbytes返回-1
forlinxHardware.c中,nbytes = recvfrom(canfd,&frame,sizeof(struct can_frame),0,(struct sockaddr *)&addr,&len); can实际收到数据了,但nbytes返回-1
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