If you upgrade to the last firmware (1.8) it will make the USB enumeration process no more work.To repeat the process just create a project using USB and put a breakpoint at the lines for each eventstatic void USBH_UserProcess (USBH_HandleTypeDef *p...

What is/are the best document(s) should i use to improve my knowledge about USB Host HAL driver. I yet didn't find a reasonable explanation of how it works in detail ...Thank you !ps: Could you link to a good PDF about that ?

Hello, what wouldd be the best library to create private/public keys (RSA) and sign some messages ? I did not find a free library able to create and sign messages even in the smt32 crypto lib. Any clues ? Thank you in advance

Hi guys, does anyone draw a circuit to get the stm32F4 MCU with USB connector working properly . Thanks

Hi, I bought a chinese dev-board, this one:amazon: https://www.amazon.com/Diymore-STM32F407VGT6-Cortex-M4-Discovery-Development/dp/B01M7YB5HFhere is its schematics: http://dubstylee.net/v/wp-content/uploads/2017/08/DIY-More-STM32F407VGT6.pngIt is wor...