VESC on an STM32F4 Discovery board

Hello,

I'm trying to play around with VESC firmware on an STM32F4 Discovery board (that uses an STM32f407VET6 MCU). My grand goal is to eventually build a separate power stage and use this board as "the brain" running VESC. However, I got stuck as the very first step: making VESC-Tool recognize the board. 

So far this is what I have done. There is no power stage, etc. yet. I'm just using the board itself:

1. Flash the board with vesc bootloader here: https://github.com/vedderb/bldc-bootloader

2. Flash the board with vesc firmware here: https://github.com/vedderb/bldc

3. Connect Mini USB (which has power and st-link builtin), and connect micro USB (for communicate with vesc-tool) from the board to my computer 

The problem is that my computer doesn't recognize that there is an extra USB peripheral. And of course VESC-Tool doesn't see the device either. I have tried this on both Windows and Mac to no avail.

I have searched around the forum and it seems that running VESC on the Discovery board should be doable (https://vesc-project.com/node/1664) or (https://vesc-project.com/node/323) but there is no further instruction on how to do so. 

Have anyone been successful at this? Or am I missing something here? I'm new to electronics and would appreciate a lot for any pointers. 

Thanks,