为什么提交这份PR (why to submit this PR)
ps:在设备初始化阶段不应该存在对硬件的操作
你的解决方案是什么 (what is your solution)
ps:添加一个pin_init函数,在spi设备使用时调用该函数来完成硬件引脚的状态初始化,而不是在设备初始化阶段对硬件进行操作,已经在瑞萨HMI上通过验证
- move all normal drivers (devices framework drivers) into drivers
folder.
- create nano folder for nano drivers
nano drivers are only for a simply wrap of the HAL function, and
not seek for adopting rt-thread devcies framework.
- provide unified nano console and GPIO drivers.