mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-18 05:28:40 +00:00
125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
/*
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* This file is part of the TREZOR project.
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*
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* Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.com>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "trezor.h"
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#include "oled.h"
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#include "bitmaps.h"
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#include "util.h"
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#include "usb.h"
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#include "setup.h"
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#include "storage.h"
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#include "layout.h"
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#include "layout2.h"
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#include "rng.h"
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#include "timer.h"
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#include "buttons.h"
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#include "gettext.h"
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#include "fastflash.h"
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void check_lock_screen(void)
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{
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buttonUpdate();
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// wake from screensaver on any button
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if (layoutLast == layoutScreensaver && (button.NoUp || button.YesUp)) {
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layoutHome();
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return;
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}
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// button held for long enough (2 seconds)
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if (layoutLast == layoutHome && button.NoDown >= 285000 * 2) {
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layoutDialog(&bmp_icon_question, _("Cancel"), _("Lock Device"), NULL, _("Do you really want to"), _("lock your TREZOR?"), NULL, NULL, NULL, NULL);
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// wait until NoButton is released
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usbTiny(1);
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do {
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usbSleep(5);
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buttonUpdate();
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} while (!button.NoUp);
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// wait for confirmation/cancellation of the dialog
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do {
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usbSleep(5);
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buttonUpdate();
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} while (!button.YesUp && !button.NoUp);
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usbTiny(0);
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if (button.YesUp) {
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// lock the screen
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session_clear(true);
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layoutScreensaver();
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} else {
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// resume homescreen
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layoutHome();
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}
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}
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// if homescreen is shown for longer than 10 minutes, lock too
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if (layoutLast == layoutHome) {
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if ((system_millis - system_millis_lock_start) >= 600000) {
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// lock the screen
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session_clear(true);
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layoutScreensaver();
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}
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}
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}
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int main(void)
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{
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#ifndef APPVER
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setup();
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__stack_chk_guard = random32(); // this supports compiler provided unpredictable stack protection checks
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oledInit();
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#else
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setupApp();
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__stack_chk_guard = random32(); // this supports compiler provided unpredictable stack protection checks
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#endif
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#if FASTFLASH
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uint16_t state = gpio_port_read(BTN_PORT);
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if ((state & BTN_PIN_NO) == 0) {
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run_bootloader();
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}
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#endif
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timer_init();
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#if DEBUG_LINK
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oledSetDebugLink(1);
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storage_reset(); // wipe storage if debug link
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storage_reset_uuid();
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storage_commit();
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storage_clearPinArea(); // reset PIN failures if debug link
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#endif
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oledDrawBitmap(40, 0, &bmp_logo64);
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oledRefresh();
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storage_init();
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layoutHome();
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usbInit();
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for (;;) {
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usbPoll();
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check_lock_screen();
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}
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return 0;
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}
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