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cherry-embedded / CherryUSB

CherryUSB is a tiny and portable USB Stack (device & host) for embedded system with USB IP
https://cherryusb.readthedocs.io/
Apache License 2.0
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GD32F305RE用作device时, VBUS电压需要设置为一直有效 #192

Closed zhaofx1234 closed 2 months ago

zhaofx1234 commented 2 months ago

使用GD32F305RE用作devcie时，VBUS电压需要设置为一直有效，才能正常枚举；即USB_OTG_GLB->GCCFG bit21需要置1操作；（官方库中有对应操作） 用作主机时，该bit位是否需要置1，暂时还未确认；