H743_EVAL USB_HOST/HID_Standalone example.
The main loop of the HID_Standalone example is: while(1) { USBH_Process(&USBHost); HID_MenuProcess(); } The problem is when a slow process is put in the loop: while(1) { HAL_Delay(10); //or any slow process > 8ms USBH_Process(&USBHost)...