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STM32 check if usb is still enumerated and active

embedonix
Associate III

‎2015-06-04 08:05 PM

Posted on June 05, 2015 at 05:05

Hi all,

I have made a simple USB HID gamepad with STM32F103. It works well, but the problem is when I restart the PC, if the usb cable is still atached, it takes the PC much much longer to pass bios screen. I guess this might be because in my application I send packets in the while loop. I think there should be a way to check if the operating system still reacts or polls the usb device. 

Any ideas?

Regards,

Saeid.

#stm32 #usb #stm32f1
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