求max30100使用方法

ID:398070 · 發表于 2018-11-4 17:58

這個是arduino的代碼，可以直接用，接好線就可以了

#include <Wire.h>
#include "MAX30100_PulseOximeter.h"

#define REPORTING_PERIOD_MS    1000

// PulseOximeter is the higher level interface to the sensor
// it offers:
//  * beat detection reporting
//  * heart rate calculation
//  * SpO2 (oxidation level) calculation
PulseOximeter pox;

uint32_t tsLastReport = 0;

// Callback (registered below) fired when a pulse is detected
void onBeatDetected()
{
Serial.println("Beat!");
}

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

Serial.print("Initializing pulse oximeter..");

// Initialize the PulseOximeter instance
// Failures are generally due to an improper I2C wiring, missing power supply
// or wrong target chip
if (!pox.begin()) {
      Serial.println("FAILED");
      for(;;);
} else {
      Serial.println("SUCCESS");
}

// The default current for the IR LED is 50mA and it could be changed
// by uncommenting the following line. Check MAX30100_Registers.h for all the
// available options.
// pox.setIRLedCurrent(MAX30100_LED_CURR_7_6MA);

// Register a callback for the beat detection
pox.setOnBeatDetectedCallback(onBeatDetected);
}

void loop()
{
// Make sure to call update as fast as possible
pox.update();

// Asynchronously dump heart rate and oxidation levels to the serial
// For both, a value of 0 means "invalid"
if (millis() - tsLastReport > REPORTING_PERIOD_MS) {
      Serial.print("Heart rate:");
      Serial.print(pox.getHeartRate());
      Serial.print("bpm / SpO2:");
      Serial.print(pox.getSpO2());
      Serial.println("%");

      tsLastReport = millis();
}
}

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求max30100使用方法