patient5.ino

#include <AnalogReader.h>
#include <gfxfont.h>
#include "Arduino.h"
#include "pulse-sensor-arduino.h"
#include "LM35.h"
#include "Wire.h"
#include "SPI.h"
#include "Adafruit_SSD1306.h"
#include "Adafruit_GFX.h"


// Pin Definitions
#define HEARTPULSE_PIN_SIG  A3
#define LM35_PIN_VOUT A1
#define OLED128X32_PIN_RST  2

// Global variables and defines

// object initialization
PulseSensor heartpulse;
LM35 lm35(LM35_PIN_VOUT);
#define SSD1306_LCDHEIGHT 32
Adafruit_SSD1306 oLed128x32(OLED128X32_PIN_RST);

// define vars for testing menu
const int timeout = 10000;       //define timeout of 10 sec
char menuOption = 0;
long time0;

// Setup the essentials for your circuit to work. It runs first every time your circuit is powered with electricity.
void setup() 
{ // Setup Serial which is useful for debugging
    // Use the Serial Monitor to view printed messages
    Serial.begin(9600);
    while (!Serial) ; // wait for serial port to connect. Needed for native USB
    Serial.println("start");
    
    heartpulse.begin(HEARTPULSE_PIN_SIG);
    oLed128x32.begin(SSD1306_SWITCHCAPVCC, 0x3C);  // initialize with the I2C addr 0x3C (for the 128x32)
    oLed128x32.clearDisplay(); // Clear the buffer.
    oLed128x32.display();
    menuOption = menu();
    
}

// Main logic of your circuit. It defines the interaction between the components you selected. After setup, it runs over and over again, in an eternal loop.
void loop() 
{
   
    if(menuOption == '1') {
    // Heart Rate Pulse Sensor - Test Code
    //Measure Heart Rate
    int heartpulseBPM = heartpulse.BPM;
    Serial.println(heartpulseBPM);
    if (heartpulse.QS == true) 
    {
    Serial.println("PULSE");
    heartpulse.QS = false;
    }
    }
    else if(menuOption == '2') {
    // LM35DZ - Temperature Sensor - Test Code
    //Get Measurment from LM35 temperature sensor.
    float lm35TempC = lm35.getTempC();
    Serial.print(F("Temp: ")); 
    Serial.print(lm35TempC); 
    Serial.println(F("[°C]"));

    }
    else if(menuOption == '3') 
    {
    // Monochrome 128x32 I2C OLED graphic display - Test Code
    oLed128x32.setTextSize(1);
    oLed128x32.setTextColor(WHITE);
    oLed128x32.setCursor(0, 10);
    oLed128x32.clearDisplay();
    oLed128x32.println("Circuito.io Rocks!");
    oLed128x32.display();
    delay(1);
    oLed128x32.startscrollright(0x00, 0x0F);
    delay(2000);
    oLed128x32.stopscroll();
    delay(1000);
    oLed128x32.startscrollleft(0x00, 0x0F);
    delay(2000);
    oLed128x32.stopscroll();
    }
    
    if (millis() - time0 > timeout)
    {
        menuOption = menu();
    }
    
}



// Menu function for selecting the components to be tested
// Follow serial monitor for instrcutions

char menu()
{
    Serial.println(F("\nWhich component would you like to test?"));
    Serial.println(F("(1) Heart Rate Pulse Sensor"));
    Serial.println(F("(2) LM35DZ - Temperature Sensor"));
    Serial.println(F("(3) Monochrome 128x32 I2C OLED graphic display"));
    Serial.println(F("(menu) send anything else or press on board reset button\n"));
    while (!Serial.available());

    // Read data from serial monitor if received
    while (Serial.available()) 
    {
        char c = Serial.read();
        if (isAlphaNumeric(c)) 
        {   
            
            if(c == '1') 
         Serial.println(F("Now Testing Heart Rate Pulse Sensor"));
        else if(c == '2') 
          Serial.println(F("Now Testing LM35DZ - Temperature Sensor"));
        else if(c == '3') 
          Serial.println(F("Now Testing Monochrome 128x32 I2C OLED graphic display"));
            else
            {
                Serial.println(F("illegal input!"));
                return 0;
            }
            time0 = millis();
            return c;
        }
    }
}