c036efff1ddbbbc0eee87e5d298ebe0f94b442be

add back port reset after get 8 bytes of device descriptor
adding code to allow configure MIC2555 to pull down D+/D- (still need bit bangding I2C on PB_0 PB_1)
adding code to allow configure MIC2555 to pull down D+/D- (still need bit bangding I2C on PB_0 PB_1)
tinyusb
an embedded open-source usb stack for ARM MCUs
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