On the system software design aspect, I use current protocol, API function and source code to code a SPI interface software, data transmit program, system test program and configuring software on PC.
在系统软件设计方而，利用现有协议、API函数和源代码，编制了SPI接口软件、数据传输程序以及PC机配置软件等。
The serial peripheral interface (SPI) is a standard communication protocol, which is used in many fields.
串行SPI通信协议是一种标准的通信协议，很多场合下都是采用这种机制。
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