如何写max30100代码
时间: 2023-08-07 15:05:20 浏览: 171
Max30100是一种心率和血氧浓度测量传感器模块。以下是一个示例代码,可以帮助你开始使用Max30100模块:
```C++
#include <Wire.h>
#include "MAX30100_PulseOximeter.h"
#define REPORTING_PERIOD_MS 1000
MAX30100_PulseOximeter pox;
uint32_t tsLastReport = 0;
void onBeatDetected()
{
Serial.println("Beat!");
}
void setup()
{
Serial.begin(115200);
Serial.print("Initializing pulse oximeter..");
if (!pox.begin()) {
Serial.println("FAILED");
for(;;);
} else {
Serial.println("SUCCESS");
}
pox.setOnBeatDetectedCallback(onBeatDetected);
pox.setIRLedCurrent(MAX30100_LED_CURR_7_6MA);
pox.setSamplingRate(MAX30100_SAMPLING_RATE_100HZ);
pox.setPulseAmplitudeRed(0x0A);
pox.setPulseAmplitudeIR(0x0A);
}
void loop()
{
pox.update();
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();
}
}
```
这个代码使用Arduino的Wire库,以I2C协议与Max30100进行通信。在setup()函数中,初始化了pox对象,并设置了一些参数。在loop()函数中,不断调用pox.update()函数,以从Max30100传感器读取数据。同时,每隔一段时间,通过Serial.print()函数将心率和血氧浓度打印到串口上。当心跳被检测到时,onBeatDetected()函数将被调用。
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