About qyuyu.1

qyuyu.1 · 2021-01-05

After using STM32F417VGT6 chip, PA11 PA12 is configured as USB HOST (non-OTG mode, HNP or SRP mode is not used), PA9 cannot be configured as input pull-up mode; without USB HOST, PA9 can be configured as input pull-up Yes; try to configure PA9 to out...

qyuyu.1 · 2021-01-06

Thank you JW.The board I use is self-powered and does not require VBUS sense. The program controls whether to turn on VBUS sense according to whether the macro VBUS_SENSING_ENABLED is defined; if the code is not modified, VBUSASEN is always 1, and th...

qyuyu.1 · 2021-01-06

Thank you very much JW.My USB library version is relatively old, not cube. Check the GCCGF register, there are two positions (NOVBUSSENS and VBUSASEN) that will affect VBUS. According to the register analysis, NOVBUSSENS controls whether the VBUS se...

qyuyu.1 · 2021-01-06

Thank you very much JW.My USB library version is relatively old, not cube. Check the GCCGF register, there are two positions (NOVBUSSENS and VBUSASEN) that will affect VBUS. According to the register analysis, NOVBUSSENS controls whether the VBUS se...

qyuyu.1 · 2021-01-05

Sorry, my chip model is wrong, it is STM32F205RET6.

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With the STM32F417VGT6 chip used, after PA11 PA12 is configured as USB HOST (non-OTG mode, HNP or SRP mode is not used), PA9 cannot be configured as input pull-up mode.

Re: With the STM32F417VGT6 chip used, after PA11 PA12 is configured as USB HOST (non-OTG mode, HNP or SRP mode is not used), PA9 cannot be configured as input pull-up mode.

Re: With the STM32F417VGT6 chip used, after PA11 PA12 is configured as USB HOST (non-OTG mode, HNP or SRP mode is not used), PA9 cannot be configured as input pull-up mode.

Re: With the STM32F417VGT6 chip used, after PA11 PA12 is configured as USB HOST (non-OTG mode, HNP or SRP mode is not used), PA9 cannot be configured as input pull-up mode.

Re: With the STM32F417VGT6 chip used, after PA11 PA12 is configured as USB HOST (non-OTG mode, HNP or SRP mode is not used), PA9 cannot be configured as input pull-up mode.