1 /*
2  * Copyright (C) 2012 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 #include <stdio.h>
18 #include <stdlib.h>
19 #include <stdint.h>
20 #include <string.h>
21 
22 #include "accessory.h"
23 
usage(char * name)24 static void usage(char* name) {
25     fprintf(stderr, "Usage: %s [-a] [-h] [-ic input card] [-id input device] "
26                     "[-oc output card] [-d output device] [-a] [-h] [-i]\n\n"
27                     "\t-ic, -id, -oc and -od specify ALSA card and device numbers\n"
28                     "\t-a : enables AccessoryChat mode\n"
29                     "\t-i : enables HID pass through (requires running as root\n"
30                     "\t-h : prints this usage message\n", name);
31 }
32 
main(int argc,char * argv[])33 int main(int argc, char* argv[])
34 {
35     unsigned int input_card = 2;
36     unsigned int input_device = 0;
37     unsigned int output_card = 0;
38     unsigned int output_device = 0;
39     unsigned int enable_accessory = 0;
40     unsigned int enable_hid = 0;
41 
42     /* parse command line arguments */
43     argv += 1;
44     while (*argv) {
45         if (strcmp(*argv, "-ic") == 0) {
46             argv++;
47             if (*argv)
48                 input_card = atoi(*argv);
49         } else if (strcmp(*argv, "-id") == 0) {
50             argv++;
51             if (*argv)
52                 input_device = atoi(*argv);
53         } else if (strcmp(*argv, "-oc") == 0) {
54             argv++;
55             if (*argv)
56                 output_card = atoi(*argv);
57         } else if (strcmp(*argv, "-od") == 0) {
58             argv++;
59             if (*argv)
60                 output_device = atoi(*argv);
61         } else if (strcmp(*argv, "-a") == 0) {
62             enable_accessory = 1;
63         } else if (strcmp(*argv, "-h") == 0) {
64             usage(argv[0]);
65             return 1;
66         } else if (strcmp(*argv, "-i") == 0) {
67            enable_hid = 1;
68         }
69         if (*argv)
70             argv++;
71     }
72 
73     init_audio(input_card, input_device, output_card, output_device);
74     if (enable_hid)
75         init_hid();
76     usb_run(enable_accessory);
77 
78     return 0;
79 }
80