blob: 047dfb396fc229b359b2941141f776abf4896cb3 (
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
|
/*
* Copyright (C) 2015 Intel Corporation
*
* 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 PROXIMITY_GPIO_HPP
#define PROXIMITY_GPIO_HPP
#include <hardware/sensors.h>
#include "Sensor.hpp"
#include "grove.hpp"
struct sensors_event_t;
/**
* ProximityGPIO exposes the Grove Button sensor
*
* Overrides the pollEvents & activate Sensor methods.
*/
class ProximityGPIO : public Sensor, public upm::GroveButton {
public:
/**
* GroveButton constructor
* @param pollFd poll file descriptor
* @param pin number of the analog input
*/
ProximityGPIO(int pollFd, int pin);
/**
* ProximityGPIO destructor
*/
~ProximityGPIO() override;
/**
* Poll for events
* @param data where to store the events
* @param count the number of events returned must be <= to the count
* @return number of events returned in data on success and a negative error number otherwise
*/
int pollEvents(sensors_event_t* data, int count) override;
/**
* Activate the sensor
* @param handle sensor identifier
* @param enabled 1 for enabling and 0 for disabling
* @return 0 on success and a negative error number otherwise
*/
int activate(int handle, int enabled);
private:
static Sensor * createSensor(int pollFd);
static void initModule() __attribute__((constructor
(DEFAULT_SENSOR_CONSTRUCTOR_PRIORITY)));
int pollFd;
static struct sensor_t sensorDescription;
};
#endif // PROXIMITY_GPIO_HPP
|
