1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
* Copyright (C) 2014 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.
*/
#ifndef ANDROID_INCLUDE_HARDWARE_FINGERPRINT_H
#define ANDROID_INCLUDE_HARDWARE_FINGERPRINT_H
#define FINGERPRINT_MODULE_API_VERSION_1_0 HARDWARE_MODULE_API_VERSION(1, 0)
#define FINGERPRINT_HARDWARE_MODULE_ID "fingerprint"
typedef enum fingerprint_msg {
FINGERPRINT_ERROR = -1,
FINGERPRINT_NO_MATCH = 0,
FINGERPRINT_MATCH = 1,
FINGERPRINT_TEMPLATE_COLLECTING = 2,
FINGERPRINT_TEMPLATE_REGISTERED = 3,
FINGERPRINT_TEMPLATE_DELETED = 4
} fingerprint_msg_t;
typedef enum fingerprint_error {
FINGERPRINT_ERROR_HW_UNAVAILABLE = 1,
FINGERPRINT_ERROR_BAD_CAPTURE = 2
} fingerprint_error_t;
/* Synchronous operation */
typedef struct fingerprint_device {
struct hw_device_t common;
/*
* Figerprint enroll request: records and stores a fingerprint template.
* Timeout after temeout_sec seconds.
*
* Function return:
* - Machine state: error, collected or registered.
* - Data is interpreted as error code, collection percentage
* or fingerprint id.
*/
fingerprint_msg_t (*enroll)(unsigned timeout_sec, unsigned *data);
/*
* Figerprint remove request: deletes a fingerprint template.
*
* Function return:
* - Delete result: error or success.
*/
fingerprint_msg_t (*remove)(unsigned fingerprint_id);
/*
* Figerprint match request: Collect a fingerprint and
* match against stored template with fingerprint_id.
* Timeout after temeout_sec seconds.
*
* Function return:
* - Match, no match or error.
*/
fingerprint_msg_t (*match)(unsigned fingerprint_id, unsigned timeout_sec);
/* Reserved for future use. Must be NULL. */
void* reserved[8 - 3];
} fingerprint_device_t;
typedef struct fingerprint_module {
struct hw_module_t common;
} fingerprint_module_t;
/* For asyncronous mode - as a possible API model
typedef void (*fingerprint_callback)(int request_id, fingerprint_msg msg, data);
*/
#endif /* ANDROID_INCLUDE_HARDWARE_FINGERPRINT_H */
|
