kmk-paintbrush/boot.py

58 lines
2.1 KiB
Python
Raw Normal View History

print('START boot.py')
# Used http://kmkfw.ioy/docs/boot/ as starting point
import os
# Print env vars if debugging enabled
if os.getenv('ARDUX_KMK_DEBUGGING'):
print('debugging enabled')
print('START env')
print('CIRCUITPY_BLE_NAME:', os.getenv('CIRCUITPY_BLE_NAME'))
print('ARDUX_KMK_DEBUGGING:', os.getenv('ARDUX_KMK_DEBUGGING'))
print('ARDUX_KMK_USB_DISK_ALWAYS:', os.getenv('ARDUX_KMK_USB_DISK_ALWAYS'))
print('ARDUX_SIZE:', os.getenv('ARDUX_SIZE'))
print('ARDUX_HAND:', os.getenv('ARDUX_HAND'))
print('ARDUX_BOARD:', os.getenv('ARDUX_BOARD'))
print('END env')
else:
print('debugging disabled')
# If this/these key(s) is/are held during boot, don't run the code which hides the storage and disables serial
# bottom row, index finger key / bottom row pinky key
import digitalio
from kmk.quickpin.pro_micro.kb2040 import pinout as pins
key_1 = digitalio.DigitalInOut(pins[12])
key_2 = digitalio.DigitalInOut(pins[15])
# Configure gpio for boot
key_1.switch_to_input(pull=digitalio.Pull.UP)
key_2.switch_to_input(pull=digitalio.Pull.UP)
# Pull up means 'active low' so invert pin values for less convoluted logic below
key_1_val = not (key_1.value)
key_2_val = not (key_2.value)
# Check for key hold and disable any dangerous features if not held
if not (key_1_val or key_2_val) and not os.getenv('ARDUX_KMK_DEBUGGING'):
# dont expose storage by default
if not os.getenv('ARDUX_KMK_USB_DISK_ALWAYS'):
import storage
storage.disable_usb_drive()
# disable usb cdc stuff thats only useful when debugging
import usb_cdc
usb_cdc.disable() # Equivalent to usb_cdc.enable(console=False, data=False)
# Enable use w/ bios when not debugging (serial device from debug messes things up)
# this only works if *both* cdc and storage are disabled above ; add added logic to avoid crash on boot
import usb_hid
from usb_hid import Device
if not os.getenv('ARDUX_KMK_USB_DISK_ALWAYS'):
usb_hid.enable((Device.KEYBOARD,), boot_device=1)
# Deinit pins so they can be setup per the kmk keymap post-boot
key_1.deinit()
key_2.deinit()
print('END boot.py')