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USB Stack - Reset in Windows

Question asked by ababo on Sep 1, 2014
Latest reply on Sep 1, 2014 by Clive One
I have a problem when my board is connected for the first time in Windows OS (7 or 8), because it is generated a Hard Fault in the MCU (STM32F427). Then, reseting the board, it works ok. Connecting again the board it works ok. I am using the ST USB stack with the version 2.1.0, to create an HID device. Anyone knows what can could be the problem??