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can接受标志位RMP



我想问下在can底层驱动配置好的前提下,我向DSP发送任何数据,can就能接收到数据吗,然后将RMP=1即ECanaShadow.CANRMP.bit.RMP1 = 1;

还是说必须发送的数据符合一定的格式,can邮箱才能将RMP=1.我现在想问的是如何触发can的接收邮箱,让接收邮箱的的RMP=1.