#define USE_ARDUINO_INTERRUPTS true
#include <PulseSensorPlayground.h>
const int OUTPUT_TYPE = SERIAL_PLOTTER;
/*
Number of PulseSensor devices we're reading from.
*/
const int PULSE_SENSOR_COUNT = 3;
const int PULSE_INPUT0 = A0;
const int PULSE_BLINK0 = 13; // Pin 13 is the on-board LED
const int PULSE_FADE0 = 5;
const int PULSE_INPUT1 = A1;
const int PULSE_BLINK1 = 12;
const int PULSE_FADE1 = 11;
const int PULSE_INPUT2 = A2;
const int PULSE_BLINK2 = 10; // Pin 13 is the on-board LED
const int PULSE_FADE2 = 9;
const int THRESHOLD = 550; // Adjust this number to avoid noise when idle
/*
All the PulseSensor Playground functions.
We tell it how many PulseSensors we're using.
*/
PulseSensorPlayground pulseSensor(PULSE_SENSOR_COUNT);
void setup() {
Serial.begin(250000);
pulseSensor.analogInput(PULSE_INPUT0, 0);
pulseSensor.blinkOnPulse(PULSE_BLINK0, 0);
pulseSensor.fadeOnPulse(PULSE_FADE0, 0);
pulseSensor.analogInput(PULSE_INPUT1, 1);
pulseSensor.blinkOnPulse(PULSE_BLINK1, 1);
pulseSensor.fadeOnPulse(PULSE_FADE1, 1);
pulseSensor.analogInput(PULSE_INPUT2, 2);
pulseSensor.blinkOnPulse(PULSE_BLINK2, 2);
pulseSensor.fadeOnPulse(PULSE_FADE2, 2);
pulseSensor.setSerial(Serial);
pulseSensor.setOutputType(OUTPUT_TYPE);
pulseSensor.setThreshold(THRESHOLD);
// Now that everything is ready, start reading the PulseSensor signal.
if (!pulseSensor.begin()) {
for (;;) {
// Flash the led to show things didn't work.
digitalWrite(PULSE_BLINK0, LOW);
delay(50);
digitalWrite(PULSE_BLINK0, HIGH);
delay(50);
}
}
}
void loop() {
delay(200);
// write the latest sample to Serial.
pulseSensor.outputSample();
for (int i = 0; i < PULSE_SENSOR_COUNT; ++i) {
if (pulseSensor.sawStartOfBeat(i)) {
pulseSensor.outputBeat(i);
}
}
}
