+struct canfilt_t - structure for acceptance filter setup : message flags MSG_RTR .. message is Remote Transmission Request, MSG_EXT .. message with extended ID, MSG_OVR .. indication of queue overflow condition, MSG_LOCAL .. message originates from this node. there are corresponding mask bits MSG_RTR_MASK, MSG_EXT_MASK, MSG_LOCAL_MASK. MSG_PROCESSLOCAL enables local messages processing in the combination with global setting : CAN queue identification in the case of the multiple queues per one user (open instance) : communication object number (not used) : selected required value of cared ID id bits : select bits significand for the comparation; 1 .. take care about corresponding ID bit, 0 .. don't care
