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电子工程专辑
4 年
基于硬件 SPI 的数据抽象实例(附代码)
spi(Serial Peripheral Interface)即串行外设接口。与i2c一样,spi也常用外设设备通信的总线,从事嵌入式开发必不可少的掌握。 根据本人以往的经历,对spi进行总结(主要是MCU范畴,Linux已有成熟的驱动设备),主要目的及实现: /*extern function*/ extern int spi_send_then ...
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