diff options
Diffstat (limited to 'adb/transport_usb.c')
-rw-r--r-- | adb/transport_usb.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/adb/transport_usb.c b/adb/transport_usb.c new file mode 100644 index 000000000..4da7e8b65 --- /dev/null +++ b/adb/transport_usb.c | |||
@@ -0,0 +1,147 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2007 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 <string.h> | ||
20 | |||
21 | #include <sysdeps.h> | ||
22 | |||
23 | #define TRACE_TAG TRACE_TRANSPORT | ||
24 | #include "adb.h" | ||
25 | |||
26 | /* XXX better define? */ | ||
27 | #ifdef __ppc__ | ||
28 | #define H4(x) (((x) & 0xFF000000) >> 24) | (((x) & 0x00FF0000) >> 8) | (((x) & 0x0000FF00) << 8) | (((x) & 0x000000FF) << 24) | ||
29 | static inline void fix_endians(apacket *p) | ||
30 | { | ||
31 | p->msg.command = H4(p->msg.command); | ||
32 | p->msg.arg0 = H4(p->msg.arg0); | ||
33 | p->msg.arg1 = H4(p->msg.arg1); | ||
34 | p->msg.data_length = H4(p->msg.data_length); | ||
35 | p->msg.data_check = H4(p->msg.data_check); | ||
36 | p->msg.magic = H4(p->msg.magic); | ||
37 | } | ||
38 | unsigned host_to_le32(unsigned n) | ||
39 | { | ||
40 | return H4(n); | ||
41 | } | ||
42 | #else | ||
43 | #define fix_endians(p) do {} while (0) | ||
44 | unsigned host_to_le32(unsigned n) | ||
45 | { | ||
46 | return n; | ||
47 | } | ||
48 | #endif | ||
49 | |||
50 | static int remote_read(apacket *p, atransport *t) | ||
51 | { | ||
52 | if(usb_read(t->usb, &p->msg, sizeof(amessage))){ | ||
53 | D("remote usb: read terminated (message)\n"); | ||
54 | return -1; | ||
55 | } | ||
56 | |||
57 | fix_endians(p); | ||
58 | |||
59 | if(check_header(p)) { | ||
60 | D("remote usb: check_header failed\n"); | ||
61 | return -1; | ||
62 | } | ||
63 | |||
64 | if(p->msg.data_length) { | ||
65 | if(usb_read(t->usb, p->data, p->msg.data_length)){ | ||
66 | D("remote usb: terminated (data)\n"); | ||
67 | return -1; | ||
68 | } | ||
69 | } | ||
70 | |||
71 | if(check_data(p)) { | ||
72 | D("remote usb: check_data failed\n"); | ||
73 | return -1; | ||
74 | } | ||
75 | |||
76 | return 0; | ||
77 | } | ||
78 | |||
79 | static int remote_write(apacket *p, atransport *t) | ||
80 | { | ||
81 | unsigned size = p->msg.data_length; | ||
82 | |||
83 | fix_endians(p); | ||
84 | |||
85 | if(usb_write(t->usb, &p->msg, sizeof(amessage))) { | ||
86 | D("remote usb: 1 - write terminated\n"); | ||
87 | return -1; | ||
88 | } | ||
89 | if(p->msg.data_length == 0) return 0; | ||
90 | if(usb_write(t->usb, &p->data, size)) { | ||
91 | D("remote usb: 2 - write terminated\n"); | ||
92 | return -1; | ||
93 | } | ||
94 | |||
95 | return 0; | ||
96 | } | ||
97 | |||
98 | static void remote_close(atransport *t) | ||
99 | { | ||
100 | usb_close(t->usb); | ||
101 | t->usb = 0; | ||
102 | } | ||
103 | |||
104 | static void remote_kick(atransport *t) | ||
105 | { | ||
106 | usb_kick(t->usb); | ||
107 | } | ||
108 | |||
109 | void init_usb_transport(atransport *t, usb_handle *h) | ||
110 | { | ||
111 | D("transport: usb\n"); | ||
112 | t->close = remote_close; | ||
113 | t->kick = remote_kick; | ||
114 | t->read_from_remote = remote_read; | ||
115 | t->write_to_remote = remote_write; | ||
116 | t->sync_token = 1; | ||
117 | t->connection_state = CS_OFFLINE; | ||
118 | t->type = kTransportUsb; | ||
119 | t->usb = h; | ||
120 | |||
121 | #if ADB_HOST | ||
122 | HOST = 1; | ||
123 | #else | ||
124 | HOST = 0; | ||
125 | #endif | ||
126 | } | ||
127 | |||
128 | int is_adb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_protocol) | ||
129 | { | ||
130 | if (vid == VENDOR_ID_GOOGLE) { | ||
131 | /* might support adb */ | ||
132 | } else if (vid == VENDOR_ID_HTC) { | ||
133 | /* might support adb */ | ||
134 | } else { | ||
135 | /* not supported */ | ||
136 | return 0; | ||
137 | } | ||
138 | |||
139 | /* class:vendor (0xff) subclass:android (0x42) proto:adb (0x01) */ | ||
140 | if(usb_class == 0xff) { | ||
141 | if((usb_subclass == 0x42) && (usb_protocol == 0x01)) { | ||
142 | return 1; | ||
143 | } | ||
144 | } | ||
145 | |||
146 | return 0; | ||
147 | } | ||