DM8168 EVM平台。我们是自己重新做的板子,在GPIO部分,有很多平台的宏开关。似乎没有单针对8168 evm的GPIO。也许有,可是我没有找到。求教这个平台下具体在那个地方是设置的GPIO?
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在spectrumdigital网站上可以下载DM8168 GEL文件以及Test code,链接: http://support.spectrumdigital.com/boards/evm816x/reve/
主要有下面几步:
1.配置GPIO的管脚复用
2.使能GPIO功能
3.控制GPIO拉高拉低