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f105dev不必配置上拉电阻引脚 #1

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zdphpn opened this issue Apr 4, 2019 · 0 comments

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zdphpn commented Apr 4, 2019 •

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f105dev外部电路D+不必外接上拉电阻(芯片内部已经存在)，初始化USBD_Init时默认使能(此时可以被上位机检测到)，想要关闭它请使用DCD_DevDisconnect。
注：由于内部文件较多，代码部分暂不修改了(懒)。如果IO口空闲的话，外接上拉电阻是好的。

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