Gravity: PPG Heart Rate Monitor Sensor for Arduino (Analog/Digital) (ของแท้จาก DFRobot)

/*!
* @file DFRobot_Heartrate.h
* @brief DFRobot_Heartrate.h detailed description for Heartrate.cpp
*
* This is written for the heart rate sensor the company library. Mainly used for real
* time measurement of blood oxygen saturation, based on measured values calculate heart rate values.
*
* @author linfeng(Musk.lin@dfrobot.com)
* @version V1.1
* @date 2016-8-16
* @version V1.0
* @date 2015-12-24
*/
#define heartratePin A1
#include "DFRobot_Heartrate.h"

DFRobot_Heartrate heartrate(DIGITAL_MODE); ///< ANALOG_MODE or DIGITAL_MODE

void setup() {
Serial.begin(115200);
}

void loop() {
uint8_t rateValue;
heartrate.getValue(heartratePin); ///< A1 foot sampled values
rateValue = heartrate.getRate(); ///< Get heart rate value 
if(rateValue) {
Serial.println(rateValue);
}
delay(20);
}
/******************************************************************************
Copyright (C) <2015> <linfeng>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Contact: Musk.lin@dfrobot.com
******************************************************************************/

/*
DigitalReadSerial
Reads a digital input on pin 2, prints the result to the serial monitor

This example code is in the public domain.
*/

// digital pin 2 has a pushbutton attached to it. Give it a name:
int pushButton = 2;

// the setup routine runs once when you press reset:
void setup() {
// initialize serial communication at 9600 bits per second:
Serial.begin(9600);
// make the pushbutton's pin an input:
pinMode(pushButton, INPUT);
}

// the loop routine runs over and over again forever:
void loop() {
// read the input pin:
int buttonState = digitalRead(pushButton);
// print out the state of the button:
Serial.println(buttonState);
delay(10); // delay in between reads for stability
}

/*
AnalogReadSerial
Reads an analog input on pin 0, prints the result to the serial monitor.
Graphical representation is available using serial plotter (Tools > Serial Plotter menu)
Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground.

This example code is in the public domain.
*/

// the setup routine runs once when you press reset:
void setup() {
// initialize serial communication at 9600 bits per second:
Serial.begin(9600);
}

// the loop routine runs over and over again forever:
void loop() {
// read the input on analog pin 0:
int sensorValue = analogRead(A1);
// print out the value you read:
Serial.println(sensorValue);
delay(10); // delay in between reads for stability
}

/*!
* @file HeartrateDisplay
* @brief Waves of blood oxygen saturation and heart rate value is displayed on the LCD
*
* @brief Waves of blood oxygen saturation and heart rate value is displayed on the LCD
*
* @author linfeng(490289303@qq.com)
* @version V1.1
* @date 2016-8-16
* @version V1.0
* @date 2015-12-24
*/

#define heartratePin A1
#include "Heartrate.h"
#include "Lcd12864Shield.h"

uint16_t heartrateValue=0,heartrateValueLast=0;
uint8_t count;

Lcd12864Shield lcddisplay(10,9,8,13,11);
Heartrate heartrate(DIGITAL_MODE); ///< ANALOG_MODE or DIGITAL_MODE

char wordDisplay[]= ///< word
{
0x00,0x00,0x01,0x03,0x07,0x0F,0x1F,0x3F,
0x1F,0x0F,0x07,0x03,0x01,0x00,0x00,0x00,
0x00,0x00,0xC0,0xE0,0xE0,0xE0,0xC0,0x80,
0xC0,0xE0,0xE0,0xE0,0xC0,0x00,0x00,0x00,///< ♥
};
char letterDisplay[]= ///< character
{

0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,
0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,///< 0
0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,
0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,///< 1
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,
0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,///< 2
0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,
0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,///< 3
0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,
0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,///< 4
0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,
0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,///< 5
0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,
0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,///< 6
0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,
0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,///< 7
0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,
0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,///< 8
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,
0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,///< 9
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00,
0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,///< =
};



void lcdBegin(void)
{
lcddisplay.initialLcd(); ///< Enable LCD
lcddisplay.clearScreen(); ///< Clear LCD
lcddisplay.drawXLine(48); ///< Draw a horizontal line
lcddisplay.drawYLine(7); ///< Draw a vertical line
lcddisplay.drawWord(7,10,0,wordDisplay); ///< Displays a word
lcddisplay.drawLetter(7,30,10,letterDisplay); ///< Displays a character
}

void setup() {
Serial.begin(115200);
lcdBegin();
}

void loop() {
unsigned char rateValue;
heartrateValueLast = heartrateValue;
heartrateValue = heartrate.getValue(heartratePin); ///< A1 foot sampled values
count = heartrate.getCnt();
if(count)
{
lcddisplay.drawYLine(count+8,heartrateValue/24,heartrateValueLast/24); ///< Draw a vertical line,Step 24
}
else
{
lcddisplay.drawYLine(count+8,heartrateValue/24,heartrateValueLast/24);
}

rateValue = heartrate.getRate(); ///< Get heart rate value
if(rateValue)
{
lcddisplay.drawLetter(7,50,3,rateValue,letterDisplay); ///< Display values
Serial.println(rateValue);
}
delay(20);
}