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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/*
* Author: Andrei Vasiliu <andrei.vasiliu@intel.com>
* Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
* Copyright (c) 2015 Intel Corporation.
*
* Credits to Adafruit.
* Based on Adafruit BMP085 library.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include <string>
#include <math.h>
#include <mraa/pwm.hpp>
#include <mraa/aio.hpp>
#include <mraa/gpio.hpp>
#include <pthread.h>
#define HIGH 1
#define LOW 0
#define TRUE HIGH
#define FALSE LOW
/**
* Callback data struct
*/
struct clbk_data {
int is_heart_beat; /**< heartbeat check */
};
#if defined(SWIGJAVA) || defined(JAVACALLBACK)
#include "Callback.h"
#else
typedef void (* callback_handler) (clbk_data);
#endif
namespace upm {
/**
* @brief Pulsensor Pulse Sensor library
* @defgroup pulsensor libupm-pulsensor
* @ingroup seeed analog medical
*/
/**
* @library pulsensor
* @sensor pulsensor
* @comname Pulse Sensor
* @type medical
* @man seeed
* @web http://www.adafruit.com/products/1093
* @con analog
*
* @brief C++ API for the 3-Wire Pulse Sensor
*
* This is a library for a 3-wire pulse sensor sold by several manufacturers.
* Usually, you can identify the sensor based on the round breakout and the
* distinctive heart symbol.
*
* @image html pulsensor.jpg
* @snippet pulsensor.cxx Interesting
*/
class Pulsensor {
public:
#if defined(SWIGJAVA) || defined(JAVACALLBACK)
Pulsensor(Callback *callback);
#else
Pulsensor(callback_handler handler);
#endif
void start_sampler();
void stop_sampler();
private:
static void *do_sample(void *arg);
pthread_t sample_thread; /**< Thread for the code sample */
uint32_t sample_counter; /**< Counter for the code sample */
uint32_t last_beat_time; /**< Last heartbeat time */
int threshold; /**< Threshold */
int ibi_rate[10]; /**< ibi rate */
int ibi; /**< ibi */
int trough; /**< Trough */
int peak; /**< Peak */
int bpm; /**< Bits per minute */
int apmlitude; /**< Amplitude */
uint8_t qs; /**< qs */
uint8_t is_pulse; /**< Is pulse check */
uint8_t first_beat; /**< First heartbeat */
uint8_t second_beat; /**< Second heartbeat */
uint8_t pin; /**< Pin */
uint8_t ret; /**< Return value */
mraa::Aio pin_ctx; /**< The pin context */
#if defined(SWIGJAVA) || defined(JAVACALLBACK)
Callback *obj_callback; /**< The callback object */
#else
callback_handler callback; /**< The callback function */
#endif
volatile uint16_t ctx_counter;
};
}
|
