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