blob: af0f77fde057b1078aabf379d8da4e84e4836dd2 [file] [log] [blame]
Mike Lockwood16864ba2010-05-11 17:16:59 -04001/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "mtp_usb"
Mike Lockwoodb14e5882010-06-29 18:11:52 -040018
19#include "MtpDebug.h"
Mike Lockwood16864ba2010-05-11 17:16:59 -040020
21#include <stdio.h>
22#include <stdlib.h>
23#include <sys/types.h>
24#include <fcntl.h>
Mike Lockwood64a44222010-05-16 16:39:32 -040025#include <sys/ioctl.h>
Mike Lockwood16864ba2010-05-11 17:16:59 -040026
27#include "MtpServer.h"
28#include "MtpStorage.h"
Mike Lockwood64a44222010-05-16 16:39:32 -040029#include "f_mtp.h"
Mike Lockwood8e2a2802010-07-02 15:15:07 -040030#include "private/android_filesystem_config.h"
Mike Lockwood16864ba2010-05-11 17:16:59 -040031
Mike Lockwood7850ef92010-05-14 10:10:36 -040032using namespace android;
Mike Lockwood16864ba2010-05-11 17:16:59 -040033
Mike Lockwood78c1e5e2010-06-15 10:28:47 -070034static bool enable_usb_function(const char* name, bool enable) {
Mike Lockwood16864ba2010-05-11 17:16:59 -040035 char path[PATH_MAX];
36
37 snprintf(path, sizeof(path), "/sys/class/usb_composite/%s/enable", name);
38 int fd = open(path, O_RDWR);
39 if (fd < 0) {
40 fprintf(stderr, "could not open %s in enable_usb_function\n", path);
Mike Lockwood78c1e5e2010-06-15 10:28:47 -070041 return false;
Mike Lockwood16864ba2010-05-11 17:16:59 -040042 }
43 write(fd, enable ? "1" : "0", 2);
44 close(fd);
Mike Lockwood78c1e5e2010-06-15 10:28:47 -070045 return true;
Mike Lockwood16864ba2010-05-11 17:16:59 -040046}
47
Mike Lockwood64a44222010-05-16 16:39:32 -040048int main(int argc, char* argv[]) {
49 bool usePTP = false;
Mike Lockwood78c1e5e2010-06-15 10:28:47 -070050 const char* storagePath = "/sdcard";
Mike Lockwood64a44222010-05-16 16:39:32 -040051
52 for (int i = 1; i < argc; i++) {
Mike Lockwood78c1e5e2010-06-15 10:28:47 -070053 const char* arg = argv[i];
54 if (!strcmp(arg, "-p"))
Mike Lockwood64a44222010-05-16 16:39:32 -040055 usePTP = true;
Mike Lockwood78c1e5e2010-06-15 10:28:47 -070056 else if (arg[0] == '/')
57 storagePath = arg;
Mike Lockwood64a44222010-05-16 16:39:32 -040058 }
Mike Lockwood16864ba2010-05-11 17:16:59 -040059
60 int fd = open("/dev/mtp_usb", O_RDWR);
61 printf("open returned %d\n", fd);
62 if (fd < 0) {
63 fprintf(stderr, "could not open MTP driver\n");
64 return -1;
65 }
66
Mike Lockwood64a44222010-05-16 16:39:32 -040067 if (usePTP) {
68 // set driver mode to PTP
69 int ret = ioctl(fd, MTP_SET_INTERFACE_MODE, MTP_INTERFACE_MODE_PTP);
70 if (ret) {
71 fprintf(stderr, "MTP_SET_INTERFACE_MODE failed\n");
72 return -1;
73 }
74 }
75
76 // disable UMS and enable MTP USB functions
77 enable_usb_function("usb_mass_storage", false);
78 enable_usb_function("mtp", true);
79
Mike Lockwood8e2a2802010-07-02 15:15:07 -040080 MtpServer server(fd, "/data/data/mtp/mtp.db", AID_SDCARD_RW, 0664, 0775);
Mike Lockwood78c1e5e2010-06-15 10:28:47 -070081 server.addStorage(storagePath);
Mike Lockwood16864ba2010-05-11 17:16:59 -040082 server.scanStorage();
83 server.run();
84
85 close(fd);
86 return 0;
87}
88