upm  1.6.0
Sensor/Actuator repository for libmraa (v1.9.0)
ehr.hpp
1 /*
2  * Author: Jon Trulson <jtrulson@ics.com>
3  * Copyright (c) 2014 Intel Corporation.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sublicense, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 #pragma once
25 
26 #include <string>
27 #include <stdint.h>
28 #include <sys/time.h>
29 #include <mraa/gpio.h>
30 
31 namespace upm {
54  class EHR {
55  public:
61  EHR(int pin);
65  ~EHR();
72  uint32_t getMillis();
73 
78  void initClock();
79 
85  void clearBeatCounter();
86 
91  void startBeatCounter();
92 
97  void stopBeatCounter();
98 
104  uint32_t beatCounter();
105 
111  int heartRate();
112 
113  private:
118  static void beatISR(void *ctx);
119 
120  volatile uint32_t m_beatCounter;
121  struct timeval m_startTime;
122  mraa_gpio_context m_gpio;
123  };
124 }
125 
126 
void clearBeatCounter()
Definition: ehr.cxx:87
uint32_t beatCounter()
Definition: ehr.cxx:105
void stopBeatCounter()
Definition: ehr.cxx:99
~EHR()
Definition: ehr.cxx:49
C++ API for the kxtj3 driver.
Definition: a110x.hpp:29
EHR(int pin)
Definition: ehr.cxx:34
void startBeatCounter()
Definition: ehr.cxx:92
int heartRate()
Definition: ehr.cxx:116
uint32_t getMillis()
Definition: ehr.cxx:59
void initClock()
Definition: ehr.cxx:54
API for the Ear-clip Heart Rate Sensor.
Definition: ehr.hpp:54