看看我的代码:
CAN_FilterInitStructure.CAN_FilterMode = CAN_FilterMode_IdList;
CAN_FilterInitStructure.CAN_FilterScale = CAN_FilterScale_32bit;
CAN_FilterInitStructure.CAN_FilterIdHigh = MOTOR_RETID/8192;
CAN_FilterInitStructure.CAN_FilterIdLow = MOTOR_RETID%8192*8+CAN_ID_EXT;
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