blob: 3200392835021b210577c11a87c23fe9e307779f (
plain)
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
|
/*
* Copyright (C) 2008 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_SENSORS_H
#define ANDROID_SENSORS_H
#include <stdint.h>
#include <errno.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#include <linux/input.h>
#include <hardware/hardware.h>
#include <hardware/sensors.h>
__BEGIN_DECLS
/*****************************************************************************/
int init_nusensors(hw_module_t const* module, hw_device_t** device);
/*****************************************************************************/
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
#define ID_A (0)
#define ID_B (1)
/*****************************************************************************/
/*
* The SENSORS Module
*/
/*****************************************************************************/
#define DEVICE_NAME "/dev"
#define EVENT_TYPE_ACCEL_X ABS_X
#define EVENT_TYPE_ACCEL_Y ABS_Y
#define EVENT_TYPE_ACCEL_Z ABS_Z
#define EVENT_TYPE_ACCEL_STATUS ABS_WHEEL
// 256LSG/G
#define LSG (256.0f)
// conversion of acceleration data to SI units (m/s^2)
#define CONVERT_A (GRAVITY_EARTH / LSG)
#define CONVERT_A_X (CONVERT_A)
#define CONVERT_A_Y (CONVERT_A)
#define CONVERT_A_Z (CONVERT_A)
#define SENSOR_STATE_MASK (0x7FFF)
/*****************************************************************************/
__END_DECLS
#endif // ANDROID_SENSORS_H
|
