USB

[ANH2018]

Dear Ad.
I use this exemple:
PY32F072_Firmware-master\Projects\PY32F072-STK\Applications\USB_Device\USBD_Keyboard
and connect USB as: https://oshwhub.com/iosetting/py32f07x-lqfp64
PA11 -> D-
PA12 -> D+ ( PULL 1,5K VCC as : https://oshwhub.com/iosetting/py32f07x-lqfp64)
but when update code and push usb it show: the last usb device you connected malfunctioned .....
Pleased help me do it.
Thank you.

[ANH2018]

@HalfSweet
if
PA11 -> D-
PA12 -> D+ ( PULL 1,5K VCC as : https://oshwhub.com/iosetting/py32f07x-lqfp64)
if no use PULL 1.5k D+ then nothing happens, no dectect usb.

[rinscr3003]

It seems the USB protocol didn't run. Please check if the USB IRQ is available to handle USB communication. Pulling up D+ just means a signal to inform the host a device is connected but not equals to ANY USB communication is occuring.