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STM32F105RC CAN recviev Message is overwritten

Question asked by shen songyan on Nov 1, 2017
Latest reply on Nov 6, 2017 by shen songyan

Dear all,

I meet a problem is the messages what I receive via CAN bus are overwritten.
I check the datasheet,if FIFO lock function is “enabled”, the incoming message will be discarded.


But the value is also overwritten by next message. I don't know why ?


below is my Init code and receive interrupt code: