单片机IO口模拟SPI程序,程序简单好用，适合初学SPI的学员-Single-chip IO simulation SPI program, the program is simple and easy to use, suitable for beginners SPI trainees

IO模拟SPI这个是基于nrf24l01的spi例程，适合初学者-IO simulation SPI nrf24l01 this is based on the spi routines, suitable for beginners

本程序展示了Linux平台下GPIO驱动实现技术。本程序可以方便实现IO口控制。-This program shows the Linux platform SPI driver implementation technology. This procedure can be easily achieved IO port control.