mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-17 03:48:09 +00:00
64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
# isort:skip_file
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import trezorui2
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# Showing welcome screen as soon as possible
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# (display is also prepared on that occasion).
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# Remembering time to control how long we show it.
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trezorui2.draw_welcome_screen()
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import storage
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import storage.device
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from trezor import config, log, loop, ui, utils, wire
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from trezor.pin import (
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allow_all_loader_messages,
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ignore_nonpin_loader_messages,
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show_pin_timeout,
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)
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from trezor.ui.layouts.homescreen import Lockscreen
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from apps.common.request_pin import can_lock_device, verify_user_pin
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async def bootscreen() -> None:
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"""Sequence of actions to be done on boot (after device is connected).
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We are starting with welcome_screen on the screen and want to show it
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for at least _WELCOME_SCREEN_MS before any other screen.
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Any non-PIN loaders are ignored during this function.
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Allowing all of them before returning.
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"""
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lockscreen = Lockscreen(label=storage.device.get_label(), bootscreen=True)
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ui.display.orientation(storage.device.get_rotation())
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while True:
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try:
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if can_lock_device():
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await lockscreen
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await verify_user_pin()
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storage.init_unlocked()
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allow_all_loader_messages()
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return
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except wire.PinCancelled:
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# verify_user_pin will convert a SdCardUnavailable (in case of sd salt)
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# to PinCancelled exception.
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# Ignore exception, retry loop.
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pass
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except BaseException as e:
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# other exceptions here are unexpected and should halt the device
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if __debug__:
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log.exception(__name__, e)
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utils.halt(e.__class__.__name__)
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# Ignoring all non-PIN messages in the boot-phase (turned off in `bootscreen()`).
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ignore_nonpin_loader_messages()
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config.init(show_pin_timeout)
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if __debug__ and not utils.EMULATOR:
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config.wipe()
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loop.schedule(bootscreen())
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loop.run()
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