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CAN在做接收时,消息的标示符ID是由发送方配置的,因此接收方只要配置邮箱的标示符ID就可以了,当然标示符ID的比较形式可由屏蔽寄存器设置。
邮箱之间传输数据,如果不屏蔽标示符ID的相应位的话,标示符ID必须要一样才可以!如果采用屏蔽标示符ID的相应位的话,可以由屏蔽关系决定。