arno/trezor-firmware
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Code Issues Releases Wiki Activity

lock screen after 10 minutes of inactivity

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This commit is contained in:
Pavol Rusnak 2016-10-25 17:45:30 +02:00
parent f8ad9fc742
commit 592f3c9afe
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GPG Key ID: 91F3B339B9A02A3D
1 changed files with 18 additions and 2 deletions
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20
firmware/trezor.c
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@ -37,18 +37,21 @@ void __attribute__((noreturn)) __stack_chk_fail(void)
for (;;) {} // loop forever
}
static uint32_t saver_counter = 0;
void check_lock_screen(void)
{
buttonUpdate();
// wake from screensaver on any button
if (layoutLast == layoutScreensaver && (button.NoUp || button.YesUp)) {
saver_counter = 0;
layoutHome();
return;
}
// button held for long enough
if (layoutLast == layoutHome && button.NoDown >= 500000) {
// button held for long enough (2 seconds)
if (layoutLast == layoutHome && button.NoDown >= 285000 * 2) {
layoutDialog(&bmp_icon_question, "Cancel", "Lock Device", NULL, "Do you really want to", "lock your TREZOR?", NULL, NULL, NULL, NULL);
@ -75,6 +78,19 @@ void check_lock_screen(void)
layoutHome();
}
}
// if homescreen is shown for longer than 10 minutes, lock too
if (layoutLast == layoutHome) {
saver_counter++;
if (saver_counter > 285000 * 60 * 10) {
// lock the screen
session_clear(true);
layoutScreensaver();
saver_counter = 0;
}
} else {
saver_counter = 0;
}
}
int main(void)