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TMS320F280049C: 判断CAN成功收到

Part Number: TMS320F280049C


我想问一下我怎么能判断CAN是否成功接收CAN_readMessage()这个函数只能判断数据是否更新,如果我发一样的数据他就不会判断,我想知道有没有其他函数可以一直判断CAN是否成功接收