说明：  CAN的调试程序。CAN的初始化重要包括下面几个方面。RXB0SIDH，RXB0SIDL，RXB0MIDH，RXB0MIDL。这是接收过滤器。TXB0SIDH，TXB0SIDL，TXB0DLC，这是发送标志位。还有波特率寄存器。操作模式为 正常模式。
(CAN debugging procedures. CAN initialization important aspects include the following. RXB0SIDH, RXB0SIDL, RXB0MIDH, RXB0MIDL. This is the receiver filters. TXB0SIDH, TXB0SIDL, TXB0DLC, it is sending signs spaces. There baud rate register. The normal mode of operation for the model.)