1/*
2 * Copyright (C) 2014 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#ifndef PRESSURE_SENSOR_H
18#define PRESSURE_SENSOR_H
19
20#include <stdint.h>
21#include <errno.h>
22#include <sys/cdefs.h>
23#include <sys/types.h>
24
25#include <stdint.h>
26#include <errno.h>
27#include <sys/cdefs.h>
28#include <sys/types.h>
29#include <poll.h>
30#include <utils/Vector.h>
31#include <utils/KeyedVector.h>
32
33#include "sensors.h"
34#include "SensorBase.h"
35#include "InputEventReader.h"
36
37class PressureSensor : public SensorBase {
38
39public:
40    PressureSensor(const char *sysfs_path);
41    virtual ~PressureSensor();
42
43    virtual int getFd() const;
44    virtual int enable(int32_t handle, int enabled);
45    virtual int setDelay(int32_t handle, int64_t ns);
46    virtual int getEnable(int32_t handle);
47    virtual int64_t getDelay(int32_t handle);
48    virtual int64_t getMinDelay() { return mMinDelay; }
49    // only applicable to primary
50    virtual int readEvents(sensors_event_t *data, int count) { return 0; }
51
52    void fillList(struct sensor_t *list);
53    // default is integrated for secondary bus
54    int isIntegrated() { return (1); }
55
56private:
57    char sensor_name[200];
58
59    struct sysfs_attrbs {
60       char *pressure_enable;
61       char *pressure_rate;
62    } pressureSysFs;
63
64    int pressure_fd;
65    int64_t mDelay;
66    int64_t mMinDelay;
67    int mEnable;
68    char* pathP;
69    const char* mSysfsPath;
70
71    int inv_init_sysfs_attributes(void);
72};
73
74/*****************************************************************************/
75
76#endif  // PRESSURE_SENSOR_H
77