说明：  文件中包含C8051F单片机应用CAN功能时所需的CAN初始化及接收发送函数，已经过长期验证和应用，可以放心使用。
(C8051F MCU file contains the necessary application of CAN function to send and receive CAN initialization function, has been a long-term verification and applications, you can rest assured that use.)