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/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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 <sys/stat.h>
#include <errno.h>
#include <string.h>
#include "recovery_ui.h"
#include "common.h"
char* MENU_HEADERS[] = { "Volume up/down to move highlight;",
"power button to select.",
"",
NULL };
char* MENU_ITEMS[] = { "reboot system now",
"apply update from /sdcard",
"wipe data/factory reset",
"wipe cache partition",
NULL };
int device_recovery_start() {
// recovery can get started before the kernel has created the EMMC
// devices, which will make the wipe_data operation fail (trying
// to open a device that doesn't exist). Hold up the start of
// recovery for up to 5 seconds waiting for the userdata partition
// block device to exist.
const char* fn = "/dev/block/platform/s3c-sdhci.0/by-name/userdata";
int tries = 0;
int ret;
struct stat buf;
do {
++tries;
ret = stat(fn, &buf);
if (ret) {
printf("try %d: %s\n", tries, strerror(errno));
sleep(1);
}
} while (ret && tries < 5);
if (!ret) {
printf("stat() of %s succeeded on try %d\n", fn, tries);
} else {
printf("failed to stat %s\n", fn);
}
// We let recovery attempt to carry on even if the stat never
// succeeded.
return 0;
}
int device_toggle_display(volatile char* key_pressed, int key_code) {
// hold power and press volume-up
return key_pressed[KEY_POWER] && key_code == KEY_VOLUMEUP;
}
int device_reboot_now(volatile char* key_pressed, int key_code) {
// Reboot if the power key is pressed five times in a row, with
// no other keys in between.
static int presses = 0;
if (key_code == KEY_POWER) { // power button
++presses;
return presses == 5;
} else {
presses = 0;
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_ENTER:
case KEY_POWER: // crespo 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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