boot.py
 1  # SPDX-FileCopyrightText: 2017 Limor Fried for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  # Save as boot.py to turn on/off datalogging capability
 6  
 7  import digitalio
 8  import board
 9  import storage
10  
11  switch = digitalio.DigitalInOut(board.D7)  # For Circuit Playground Express
12  switch.direction = digitalio.Direction.INPUT
13  switch.pull = digitalio.Pull.UP
14  
15  # If the switch pin is connected to ground CircuitPython can write to the drive
16  storage.remount("/", switch.value)