• Thank you Gordon,

    Sorry, I have no experience to flash a MCU before , to avoid unexpected situation and also can develop properly, would flash it through STM32Discovery board be the easiest and best way to do it?

    I am using Espruino Pico which is chip STM32F401CDU6, should I choose the discovery board with the exact same chip? or would any discovery board comes with F3/F4 chip be fine? any recommendation on boards ?

    A naive way I am thinking for the first option based what I read from the Advanced Debug is:

    • Connect the discovery board to the PICO with ST-Link based on the table provided
    • Modify the file based on the "Gachats"
    • Install st-link tools from git
    • Run the command line provided

    But I am not very sure where those files "ESPRUINOBOARD.py or PICO_XX.py"are located, and how to use them. would this process be able to make the PICO code in STM32cubeIDE Embedded C environment?

    I need to run the program in very fast speed, and inline C is also not fast enough, Arduino is very close to C, I think Arduino might be faster than inline C?, is it possible to flash PICO as Arduino? the costs might be cheaper for me if this is possible

    Thank you

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