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mirror of https://github.com/RIOT-OS/RIOT.git synced 2025-12-24 22:13:52 +01:00
Gunar Schorcht add766f3e1 cpu/stm32/periph/usbdef_fs: emulate disconnect/connect
If the MCU does not have an internal D+ pullup and there is no dedicated GPIO to simulate a USB disconnect, the D+ GPIO is temporarily configured as an output and pushed down to simulate a disconnect/connect cycle to allow the host to recognize the device. However, this requires an external pullup on D+ signal to work
2022-10-12 14:19:23 +02:00
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