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echo PD22 1 > data 想改变PD22为高电平失败,function,dlevel,pull 都可以设置,就是data设置出错。
@tivon 3天了,晚上换个思路试试
https://v853.docs.aw-ol.com/soft/dev_gpio/
@tivon 大概率此引脚已经被占用了。。
@lansecd 感谢感谢,感觉又打开了一扇门
@tivon 设备树那边将这个IO使能没有?
已解决,通过https://v853.docs.aw-ol.com/soft/dev_gpio/中的方法试验成功
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