110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
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/*
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* Copyright (C) 2009 The Android Open Source Project
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* Copyright (c) 2011, The Linux Foundation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <linux/input.h>
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#include <errno.h>
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#include <fcntl.h>
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#include "recovery_ui.h"
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#include "common.h"
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char* MENU_HEADERS[] = { "Android system recovery utility",
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"",
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NULL };
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char* MENU_ITEMS[] = { "reboot system now",
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"apply update from external storage",
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"wipe data/factory reset",
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"wipe cache partition",
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"apply update from cache",
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NULL };
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char const*const LCD_FILE
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= "/sys/class/leds/lcd-backlight/brightness";
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static int write_int(char const* path, int value) {
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int fd;
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static int already_warned = 0;
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fd = open(path, O_RDWR);
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if (fd >= 0) {
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char buffer[20];
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int bytes = sprintf(buffer, "%d\n", value);
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int amt = write(fd, buffer, bytes);
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close(fd);
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return amt == -1 ? -errno : 0;
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} else {
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if (already_warned == 0) {
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fprintf(stderr, "write_int failed to open %s\n", path);
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already_warned = 1;
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}
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return -errno;
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}
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}
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static int device_on_off_lcd_backlight(int on) {
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if(on)
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return write_int(LCD_FILE, 255);
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else
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return write_int(LCD_FILE, 0);
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}
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void device_ui_init(UIParameters* ui_parameters) {
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/* Turn on backlight */
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device_on_off_lcd_backlight(1);
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}
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int device_recovery_start() {
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return 0;
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}
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int device_toggle_display(volatile char* key_pressed, int key_code) {
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return key_code == KEY_HOME;
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}
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int device_reboot_now(volatile char* key_pressed, int key_code) {
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return 0;
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}
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int device_handle_key(int key_code, int visible) {
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if (visible) {
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switch (key_code) {
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case KEY_DOWN:
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case KEY_VOLUMEDOWN:
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return HIGHLIGHT_DOWN;
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case KEY_UP:
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case KEY_VOLUMEUP:
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return HIGHLIGHT_UP;
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case KEY_FN_F1:
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case KEY_ENTER:
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return SELECT_ITEM;
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}
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}
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return NO_ACTION;
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}
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int device_perform_action(int which) {
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return which;
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}
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int device_wipe_data() {
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return 0;
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}
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