本模块内容为PIC16F151x系列MCU自带的SPI模块的操作，包括用SPI进行数据发送（单字节和多字节）和数据接收（单字节和多字节），本模块中发送采用了查询方式，对于接收，为保证接收不漏数据，接收方式中除了查询方式外还增加了中断方式，使用者可根据情况选择。-SPI module this module content for PIC16F151x series of MCU own operations, including with the spi of (single byte and multi byte) data transmission and data receiving (single byte and multi byte), this module is to send the query, to receive, to guarantee to receive the data does not leak, receiving way in addition to query also increased the interrupt mode, the user can choose according to the situation.