A data structure and method of management for the buffer of CAN Device Driver to improve the capability of communication are designed, according to the features of CAN protocol.

针对CAN协议的特点，为设备驱动程序的收发缓冲区设计合理的数据结构和管理方法，提高CAN通讯效率。

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The method to implement data buffer and logical control of the data transfer through FPGA was introduced, and the design of the interface between FPGA and AD9240 was also shown up.

对如何用FPGA实现该数据采集系统的数据缓存和数据传输的逻辑控制，以及FPGA与AD9240的接口设计等给出了详细说明。

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This method returns a buffer that contains the initial data and the number of bytes transferred.

这个方法会传回包含已传输之初始资料和位元组数的缓冲区。

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