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    • [VSCode] added vscode configuration guide authored by Luca Conterio's avatar Luca Conterio 
    - added or updated some warnings
- added miosix wiki link
- added stlink usage on linux to flash a board
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    GPIO-Usage-&-Used-Pins.md
    View page @ adb31c48
    ......@@ -4,7 +4,8 @@ GPIOs are grouped in ports and so each GPIO has an identifier.
    The identifiers have the following format: PXY, where X is the port name and Y is the pin number.
    ### Configuration
    Before using a GPIO it has to be configured.
    > :warning: **WARNING: Before using a GPIO it has to be correctly configured. A lot of times you can experience non-working code or drivers due to not initialized or configured GPIOs.**
    Examples of possible configurations for a GPIO are:
    - **Output**: the pin voltage level can be set (logic level high or low)
    - **Input**: the pin voltage level can be read (logic level high or low)
    ......