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I am using Circuit Python on a Raspberry Pi Pico to give me hardware buttons for keyboard shortcuts. I am using Circuit Python as opposed to MicroPython because it has the USB_HID library.

I don't want the Pico to automatically mount as USB storage when being plugged in. I just want it to act as a HID device. I am aware that I can write a boot.py script in addition to a code.py but I can't find anywhere online what to put in this which would prevent it from mounting as a USB device. I also still want it to mount as USB sometimes (when a button is pressed/GPIO pin is connected) so there is a still a way for me to change the code on the device.

Is this possible? And, if so, what should the boot.py look like to only mount when a certain GPIO pin is connected?

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