linux下nrf2401的驱动，主控芯片是友善的tiny4412开发板，没有使用spi驱动，而是用的io模拟-nrf2401 under linux drivers, the main chip is friendly tiny4412 development board, without using spi-driven, but with the io simulation

gpio模拟spi驱动，是在海思架构上调试的，不同的架构需要修改相关配置-gpio simulation spi driver is on the Hass architecture debugging, different architectures need to change the configuration