有玩esp32的吗?买了个板子上传项目老是出错不知道是不是接线问题
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@童真再见,好的,以下是一个使用 MAX30102 模块和 ESP32 开发板获取心率和血氧数据的代码示例:
#include <Wire.h>
#include "MAX30105.h"
#include "heartRate.h"
MAX30105 particleSensor;
const byte RATE_SIZE = 4; //Increase this for more averaging. 4 is good.
byte rates[RATE_SIZE]; //Array of heart rates
byte rateSpot = 0;
long lastBeat = 0; //Time at which the last beat occurred
float beatsPerMinute;
int beatAvg;
int spo2;
void setup() {
Serial.begin(115200);
Wire.begin(21, 22); // SDA = GPIO 21, SCL = GPIO 22
if (!particleSensor.begin(Wire, I2C_SPEED_FAST)) {
Serial.println("MAX30105 was not found. Please check wiring/power. ");
while (1);
}
particleSensor.setup();
particleSensor.setPulseAmplitudeRed(0x0A);
particleSensor.setPulseAmplitudeGreen(0);
}
void loop() {
long irValue = particleSensor.getIR();
int32_t redValue = particleSensor.getRed();
if (checkForBeat(irValue) == true) {
// We sensed a beat!
long delta = millis() - lastBeat;
lastBeat = millis();
beatsPerMinute = 60 / (delta / 1000.0);
if (beatsPerMinute < 255 && beatsPerMinute > 20) {
rates[rateSpot++] = (byte)beatsPerMinute; //Store this reading in the array
rateSpot %= RATE_SIZE; //Wrap variable
//Take average of readings
beatAvg = 0;
for (byte x = 0 ; x < RATE_SIZE ; x++)
beatAvg += rates[x];
beatAvg /= RATE_SIZE;
}
}
int32_t buffer[100]; //Buffer to store samples
uint8_t spo2Valid; //Indicator to show if the calculated SpO2 value is valid
int8_t pulseWidth = 411; //The pulse width value that's optimized for finger measurement
//Detect beats and calculate heart rate and SpO2
int32_t spo2Value = particleSensor.getSpO2(buffer, 100, redValue, irValue, &spo2Valid, pulseWidth);
if (spo2Valid) {
spo2 = spo2Value;
}
Serial.print("IR=");
Serial.print(irValue);
Serial.print(", BPM=");
Serial.print(beatsPerMinute);
Serial.print(", Avg BPM=");
Serial.print(beatAvg);
Serial.print(", SpO2=");
Serial.print(spo2);
Serial.println();
}
这个代码通过 MAX30105 库和 heartRate 库来获取心率和血氧数据。代码初始化传感器,并使用 particleSensor.getIR()
和 particleSensor.getRed()
函数获取红外和红色信号值。然后,代码使用 checkForBeat()
函数检测心跳,如果检测到心跳,则计算心率和平均心率,并将其存储在 beatsPerMinute
和 beatAvg
变量中。
然后,代码使用 particleSensor.getSpO2()
函数获取血氧值,并将其存储在 spo2
变量中。注意,这个代码使用的是 `
@ChatGPT, int32_t spo2Value = particleSensor.getBloodOxygen(buffer, 100, redValue, irValue, &spo2Valid, pulseWidth);
if (spo2Valid) {
spo2 = spo2Value;
}这段报错怎么办C:\Users\Administrator\Desktop\esp32程序\30102\30102.ino: In function 'void loop()':
30102:58:38: error: 'class MAX30105' has no member named 'getBloodOxygen'
@童真再见,非常抱歉,我的错误。getBloodOxygen()
是 MAX30102 模块的函数,而不是 MAX30105 模块的函数。下面是一个更改后的代码示例:
#include <Wire.h>
#include "MAX30102.h"
#include "heartRate.h"
MAX30102 particleSensor;
const byte RATE_SIZE = 4; //Increase this for more averaging. 4 is good.
byte rates[RATE_SIZE]; //Array of heart rates
byte rateSpot = 0;
long lastBeat = 0; //Time at which the last beat occurred
float beatsPerMinute;
int beatAvg;
int spo2;
void setup() {
Serial.begin(115200);
Wire.begin(21, 22); // SDA = GPIO 21, SCL = GPIO 22
if (!particleSensor.begin(Wire, I2C_SPEED_FAST)) {
Serial.println("MAX30102 was not found. Please check wiring/power. ");
while (1);
}
particleSensor.setup();
particleSensor.setPulseAmplitudeRed(0x0A);
particleSensor.setPulseAmplitudeGreen(0);
}
void loop() {
long irValue = particleSensor.getIR();
int32_t redValue = particleSensor.getRed();
if (checkForBeat(irValue) == true) {
// We sensed a beat!
long delta = millis() - lastBeat;
lastBeat = millis();
beatsPerMinute = 60 / (delta / 1000.0);
if (beatsPerMinute < 255 && beatsPerMinute > 20) {
rates[rateSpot++] = (byte)beatsPerMinute; //Store this reading in the array
rateSpot %= RATE_SIZE; //Wrap variable
//Take average of readings
beatAvg = 0;
for (byte x = 0 ; x < RATE_SIZE ; x++)
beatAvg += rates[x];
beatAvg /= RATE_SIZE;
}
}
int32_t buffer[100]; //Buffer to store samples
uint8_t spo2Valid; //Indicator to show if the calculated SpO2 value is valid
int8_t pulseWidth = 411; //The pulse width value that's optimized for finger measurement
//Detect beats and calculate heart rate and SpO2
int32_t spo2Value = particleSensor.getBloodOxygen(buffer, 100, redValue, irValue, &spo2Valid, pulseWidth);
if (spo2Valid) {
spo2 = spo2Value;
}
Serial.print("IR=");
Serial.print(irValue);
Serial.print(", BPM=");
Serial.print(beatsPerMinute);
Serial.print(", Avg BPM=");
Serial.print(beatAvg);
Serial.print(", SpO2=");
Serial.print(spo2);
Serial.println();
}
请注意,代码中使用的是 MAX30102 库,而不是 MAX30105 库。我之前的代码示例中错误地使用了 MAX30105 库,这是我的错误。这个代码应该可以正常编译和运行了。
MAX30105 particleSensor;
const byte RATE_SIZE = 4; //Increase this for more averaging. 4 is good.
byte rates[RATE_SIZE]; //Array of heart rates
byte rateSpot = 0;
long lastBeat = 0; //Time at which the last beat occurred
float beatsPerMinute;
int beatAvg;
void setup()
{
Serial.begin(115200);
Serial.println("Initializing...");
// Initialize sensor
Wire.begin(4, 5); // SDA = GPIO 4, SCL = GPIO 5
if (!particleSensor.begin(Wire, I2C_SPEED_FAST)) //Use default I2C port, 400kHz speed
{
Serial.println("MAX30105 was not found. Please check wiring/power. ");
while (1);
}
Serial.println("Place your index finger on the sensor with steady pressure.");
particleSensor.setup(); //Configure sensor with default settings
particleSensor.setPulseAmplitudeRed(0x0A); //Turn Red LED to low to indicate sensor is running
particleSensor.setPulseAmplitudeGreen(0); //Turn off Green LED
}
void loop()
{
long irValue = particleSensor.getIR();
if (checkForBeat(irValue) == true)
{
//We sensed a beat!
long delta = millis() - lastBeat;
lastBeat = millis();
beatsPerMinute = 60 / (delta / 1000.0);
if (beatsPerMinute < 255 && beatsPerMinute > 20)
{
rates[rateSpot++] = (byte)beatsPerMinute; //Store this reading in the array
rateSpot %= RATE_SIZE; //Wrap variable
//Take average of readings
beatAvg = 0;
for (byte x = 0 ; x < RATE_SIZE ; x++)
beatAvg += rates[x];
beatAvg /= RATE_SIZE;
}
}
Serial.print("IR=");
Serial.print(irValue);
Serial.print(", BPM=");
Serial.print(beatsPerMinute);
Serial.print(", Avg BPM=");
Serial.print(beatAvg);
if (irValue < 50000)
Serial.print(" No finger?");
#include <Wire.h>
#include "MAX30105.h"
#include "heartRate.h"
MAX30105 particleSensor;
const byte RATE_SIZE = 4; //Increase this for more averaging. 4 is good.
byte rates[RATE_SIZE]; //Array of heart rates
byte rateSpot = 0;
long lastBeat = 0; //Time at which the last beat occurred
float beatsPerMinute;
int beatAvg;
int spo2;
void setup() {
Serial.begin(115200);
Wire.begin(4, 5); // SDA = GPIO 4, SCL = GPIO 5
if (!particleSensor.begin(Wire, I2C_SPEED_FAST)) {
Serial.println("MAX30105 was not found. Please check wiring/power. ");
while (1);
}
particleSensor.setup();
particleSensor.setPulseAmplitudeRed(0x0A);
particleSensor.setPulseAmplitudeGreen(0);
}
void loop() {
long irValue = particleSensor.getIR();
if (checkForBeat(irValue) == true) {
// We sensed a beat!
long delta = millis() - lastBeat;
lastBeat = millis();
beatsPerMinute = 60 / (delta / 1000.0);
if (beatsPerMinute < 255 && beatsPerMinute > 20) {
rates[rateSpot++] = (byte)beatsPerMinute; //Store this reading in the array
rateSpot %= RATE_SIZE; //Wrap variable
//Take average of readings
beatAvg = 0;
for (byte x = 0 ; x < RATE_SIZE ; x++)
beatAvg += rates[x];
beatAvg /= RATE_SIZE;
}
}
int32_t irValue = particleSensor.getIR();
int32_t redValue = particleSensor.getRed();
int32_t buffer[100]; //Buffer to store samples
uint8_t spo2Valid; //Indicator to show if the calculated SpO2 value is valid
int8_t pulseWidth = 411; //The pulse width value that's optimized for finger measurement
//Detect beats and calculate heart rate and SpO2
int32_t spo2Value = particleSensor.getSpO2(buffer, 100, redValue, irValue, &spo2Valid, pulseWidth);
if (spo2Valid) {
spo2 = spo2Value;
}
Serial.print("IR=");
Serial.print(irValue);
Serial.print(", BPM=");
Serial.print(beatsPerMinute);
Serial.print(", Avg BPM=");
Serial.print(beatAvg);
Serial.print(", SpO2=");
Serial.print(spo2);
Serial.println();
}
请注意,在这个代码中,我们使用了 getSpO2()
函数来获取血氧饱和度,而不是 getBloodOxygen()
函数。同时,我们还需要添加一个 spo2
变量来存储血氧饱和度值。
// WiFi 参数
const char ssid = "64412";
const char password = "32323433";
WiFiServer server(80); // 在端口80上创建一个web服务器
MAX30105 particleSensor;
//Arduino Uno不具备足够的SRAM来存储32位格式的50个红外LED数据和红色LED数据。
//为了解决这个问题,采样数据的16位MSB将被截断。样品变成16位数据。
uint16_t irBuffer[50]; //红外LED传感器数据
uint16_t redBuffer[50]; //红色LED传感器数据
uint32_t irBuffer[50]; //红外LED传感器数据
uint32_t redBuffer[50]; //红色LED传感器数据
int32_t spo2; //SPO2值
int8_t validSPO2; //指示SPO2计算是否有效
int32_t heartRate; //心率值
int8_t validHeartRate; //指示心率计算是否有效
bool sensorEnabled = false; //标志位,表示传感器是否启用
void setup()
{
Serial.begin(115200); // 以115200比特/秒初始化串行通信:
// 初始化WIFI连接
Serial.println();
Serial.println();
Serial.print("连接到 ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi 连接成功");
Serial.println(WiFi.localIP());
// 初始化Web服务器
server.begin();
Serial.println("Web服务器已启动");
// 初始化传感器
Wire.begin(4, 5); // SDA = GPIO 4, SCL = GPIO 5
if (!particleSensor.begin(Wire, I2C_SPEED_FAST)) //使用默认的I2C端口,400kHz的速度
{
Serial.println(F("未找到MAX30105。 请检查布线/电源。"));
while (1);
}
particleSensor.setup(55, 4, 2, 200, 411, 4096); //使用这些设置配置传感器
// 初始化结束后关闭传感器模块
particleSensor.shutDown();
sensorEnabled = false;
}
long lastActiveTime = 0;
void loop()
{
// 等待Web客户端连接
WiFiClient client = server.available();
if (client) {
Serial.println("New Client.");
String currentLine = "";
while (client.connected()) {
if (client.available()) {
char c = client.read();
Serial.write(c);
if (c == '\n') {
if (currentLine.length() == 0) {
// 发送HTTP头部
client.println("HTTP/1.1 200 OK");
client.println("Content-type:text/html");
client.println();
// 发送HTML内容
client.println("<html>");
client.println("<head><title>MAX30102 控制</title></head>");
client.println("<body>");
client.println("<h1>MAX30102 控制</h1>");
client.println("<p>当前状态: " + String(sensorEnabled ? "已打开" : "已关闭") + "</p>");
client.println("<form method=\"POST\">");
if (sensorEnabled) {
client.println("<input type=\"submit\" name=\"action\" value=\"关闭传感器\"/>");
} else {
client.println("<input type=\"submit\" name=\"action\" value=\"打开传感器\"/>");
}
client.println("</form>");
client.println("</body>");
client.println("</html>");
// 处理命令
if (currentLine.indexOf("GET /?action=打开传感器") != -1) {
if (!sensorEnabled) {
// 打开传感器模块
particleSensor.wakeUp();
delay(500); // 给传感器启动一些时间
sensorEnabled = true;
}
} else if (currentLine.indexOf("GET /?action=关闭传感器") != -1) {
if (sensorEnabled) {
// 关闭传感器模块
particleSensor.shutDown();
sensorEnabled = false;
}
}
break;
} else {
currentLine = "";
}
} else if (c != '\r') {
currentLine += c;
}
}
}
// 断开连接
client.stop();
Serial.println("Client Disconnected.");
}
// 检查传感器是否需要关闭
if (sensorEnabled && (millis() - lastActiveTime > 60000)) {
particleSensor.shutDown();
sensorEnabled = false;
}
//读取前50个样本,并确定信号范围
for (byte i = 0 ; i < 50 ; i++)
{
while (particleSensor.available() == false) //是否有新数据?
particleSensor.check(); //检查传感器是否有新数据
redBuffer<span style="font-style:italic"> = particleSensor.getRed();
irBuffer<span style="font-style:italic"> = particleSensor.getIR();
particleSensor.nextSample(); //处理完当前样本后,转到下一个样本
Serial.print(F("红光="));
Serial.print(redBuffer<span style="font-style:italic">, DEC);
Serial.print(F(", 红外="));
Serial.println(irBuffer<span style="font-style:italic">, DEC);
}
//在前50个样本之后计算心率和SpO2(前4秒的样本)
maxim_heart_rate_and_oxygen_saturation(irBuffer, 50, redBuffer, &spo2, &validSPO2, &heartRate, &validHeartRate);
//无线循环地从MAX30102中采样。每1秒计算一次心率和SpO2
while (1)
{
//将内存中的前25个样本丢弃,并将最后25个样本移动到顶部
for (byte i = 25; i < 50; i++)
{
redBuffer[i - 25] = redBuffer;
irBuffer[i - 25] = irBuffer;
}
//在计算心率之前,采取25个样本集。
for (byte i = 25; i < 50; i++)
{
while (particleSensor.available() == false) //是否有新数据?
particleSensor.check(); //检查传感器是否有新数据
redBuffer<span style="font-style:italic"> = particleSensor.getRed();
irBuffer<span style="font-style:italic"> = particleSensor.getIR();
particleSensor.nextSample(); //处理完当前样本后,转到下一个样本
Serial.print(F("红光="));
Serial.print(redBuffer<span style="font-style:italic">, DEC);
Serial.print(F(", 红外="));
Serial.print(irBuffer<span style="font-style:italic">, DEC);
Serial.print(F(", 心率="));
Serial.print(heartRate, DEC);
Serial.print(F(", HRvalid="));
Serial.print(validHeartRate, DEC);
Serial.print(F(", 血氧饱和度="));
Serial.print(spo2, DEC);
Serial.print(F(", SPO2Valid="));
Serial.println(validSPO2, DEC);
}
//收集25个新样本后,重新计算HR和SP02
maxim_heart_rate_and_oxygen_saturation(irBuffer, 50, redBuffer, &spo2, &validSPO2, &heartRate, &validHeartRate);
printToSerial();
}
}
void printToSerial() {
if(validSPO2 && validHeartRate) {
Serial.print(F("心率: ")); Serial.println(heartRate, DEC);
Serial.print(F("血氧饱和度: ")); Serial.println(spo2, DEC);
} else {
Serial.println(F("无效"));
}
}
// 如果需要关闭传感器模块,则可以使用以下函数
void shutDownSensorModule() {
if (sensorEnabled) {
particleSensor.shutDown();
sensorEnabled = false;
}
}
这段代码中Web服务器,传感器的采样和计算代码在一个无限循环中会崩溃,帮我修改一下
手机
// WiFi 参数
const char ssid = "64412";
const char password = "32323433";
WiFiServer server(80); // 在端口80上创建一个web服务器
MAX30105 particleSensor;
//Arduino Uno不具备足够的SRAM来存储32位格式的50个红外LED数据和红色LED数据。
//为了解决这个问题,采样数据的16位MSB将被截断。样品变成16位数据。
uint16_t irBuffer[50]; //红外LED传感器数据
uint16_t redBuffer[50]; //红色LED传感器数据
uint32_t irBuffer[50]; //红外LED传感器数据
uint32_t redBuffer[50]; //红色LED传感器数据
int32_t spo2; //SPO2值
int8_t validSPO2; //指示SPO2计算是否有效
int32_t heartRate; //心率值
int8_t validHeartRate; //指示心率计算是否有效
bool sensorEnabled = false; //标志位,表示传感器是否启用
void setup()
{
Serial.begin(115200); // 以115200比特/秒初始化串行通信:
// 初始化WIFI连接
Serial.println();
Serial.println();
Serial.print("连接到 ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi 连接成功");
Serial.println(WiFi.localIP());
// 初始化Web服务器
server.begin();
Serial.println("Web服务器已启动");
// 初始化传感器
Wire.begin(4, 5); // SDA = GPIO 4, SCL = GPIO 5
if (!particleSensor.begin(Wire, I2C_SPEED_FAST)) //使用默认的I2C端口,400kHz的速度
{
Serial.println(F("未找到MAX30105。 请检查布线/电源。"));
while (1);
}
particleSensor.setup(55, 4, 2, 200, 411, 4096); //使用这些设置配置传感器
// 初始化结束后关闭传感器模块
particleSensor.shutDown();
sensorEnabled = false;
}
long lastActiveTime = 0;
void loop()
{
// 等待Web客户端连接
WiFiClient client = server.available();
if (client) {
Serial.println("New Client.");
String currentLine = "";
while (client.connected()) {
if (client.available()) {
char c = client.read();
Serial.write(c);
if (c == '\n') {
if (currentLine.length() == 0) {
// 发送HTTP头部
client.println("HTTP/1.1 200 OK");
client.println("Content-type:text/html");
client.println();
// 发送HTML内容
client.println("<html>");
client.println("<head><title>MAX30102 控制</title></head>");
client.println("<body>");
client.println("<h1>MAX30102 控制</h1>");
client.println("<p>当前状态: " + String(sensorEnabled ? "已打开" : "已关闭") + "</p>");
client.println("<form method=\"POST\">");
if (sensorEnabled) {
client.println("<input type=\"submit\" name=\"action\" value=\"关闭传感器\"/>");
} else {
client.println("<input type=\"submit\" name=\"action\" value=\"打开传感器\"/>");
}
client.println("</form>");
client.println("</body>");
client.println("</html>");
// 处理命令
if (currentLine.indexOf("GET /?action=打开传感器") != -1) {
if (!sensorEnabled) {
// 打开传感器模块
particleSensor.wakeUp();
delay(500); // 给传感器启动一些时间
sensorEnabled = true;
}
} else if (currentLine.indexOf("GET /?action=关闭传感器") != -1) {
if (sensorEnabled) {
// 关闭传感器模块
particleSensor.shutDown();
sensorEnabled = false;
}
}
break;
} else {
currentLine = "";
}
} else if (c != '\r') {
currentLine += c;
}
}
}
// 断开连接
client.stop();
Serial.println("Client Disconnected.");
}
// 检查传感器是否需要关闭
if (sensorEnabled && (millis() - lastActiveTime > 60000)) {
particleSensor.shutDown();
sensorEnabled = false;
}
//读取前50个样本,并确定信号范围
for (byte i = 0 ; i < 50 ; i++)
{
while (particleSensor.available() == false) //是否有新数据?
particleSensor.check(); //检查传感器是否有新数据
redBuffer<span style="font-style:italic"> = particleSensor.getRed();
irBuffer<span style="font-style:italic"> = particleSensor.getIR();
particleSensor.nextSample(); //处理完当前样本后,转到下一个样本
Serial.print(F("红光="));
Serial.print(redBuffer<span style="font-style:italic">, DEC);
Serial.print(F(", 红外="));
Serial.println(irBuffer<span style="font-style:italic">, DEC);
}
//在前50个样本之后计算心率和SpO2(前4秒的样本)
maxim_heart_rate_and_oxygen_saturation(irBuffer, 50, redBuffer, &spo2, &validSPO2, &heartRate, &validHeartRate);
//无线循环地从MAX30102中采样。每1秒计算一次心率和SpO2
while (1)
{
//将内存中的前25个样本丢弃,并将最后25个样本移动到顶部
for (byte i = 25; i < 50; i++)
{
redBuffer[i - 25] = redBuffer;
irBuffer[i - 25] = irBuffer;
}
//在计算心率之前,采取25个样本集。
for (byte i = 25; i < 50; i++)
{
while (particleSensor.available() == false) //是否有新数据?
particleSensor.check(); //检查传感器是否有新数据
redBuffer<span style="font-style:italic"> = particleSensor.getRed();
irBuffer<span style="font-style:italic"> = particleSensor.getIR();
particleSensor.nextSample(); //处理完当前样本后,转到下一个样本
Serial.print(F("红光="));
Serial.print(redBuffer<span style="font-style:italic">, DEC);
Serial.print(F(", 红外="));
Serial.print(irBuffer<span style="font-style:italic">, DEC);
Serial.print(F(", 心率="));
Serial.print(heartRate, DEC);
Serial.print(F(", HRvalid="));
Serial.print(validHeartRate, DEC);
Serial.print(F(", 血氧饱和度="));
Serial.print(spo2, DEC);
Serial.print(F(", SPO2Valid="));
Serial.println(validSPO2, DEC);
}
//收集25个新样本后,重新计算HR和SP02
maxim_heart_rate_and_oxygen_saturation(irBuffer, 50, redBuffer, &spo2, &validSPO2, &heartRate, &validHeartRate);
printToSerial();
}
}
void printToSerial() {
if(validSPO2 && validHeartRate) {
Serial.print(F("心率: ")); Serial.println(heartRate, DEC);
Serial.print(F("血氧饱和度: ")); Serial.println(spo2, DEC);
} else {
Serial.println(F("无效"));
}
}
// 如果需要关闭传感器模块,则可以使用以下函数
void shutDownSensorModule() {
if (sensorEnabled) {
particleSensor.shutDown();
sensorEnabled = false;
}
}
@ChatGPT,这段代码中Web服务器,传感器的采样和计算代码在一个无限循环中会崩溃,帮我修改一下
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include <Wire.h> #include "MAX30105.h" #include "spo2_algorithm.h" #include <WiFi.h> // 引入WiFi 库 // WiFi 参数 const char ssid = "623"; const char password = "88888623"; WiFiServer server(80); // 在端口80上创建一个web服务器 MAX30105 particleSensor; #define MAX_BRIGHTNESS 255 #if defined(AVR_ATmega328P) || defined(AVR_ATmega168) //Arduino Uno不具备足够的SRAM来存储32位格式的50个红外LED数据和红色LED数据。 //为了解决这个问题,采样数据的16位MSB将被截断。样品变成16位数据。 uint16_t irBuffer[50]; //红外LED传感器数据 uint16_t redBuffer[50]; //红色LED传感器数据 #else uint32_t irBuffer[50]; //红外LED传感器数据 uint32_t redBuffer[50]; //红色LED传感器数据 #endif int32_t spo2; //SPO2值 int8_t validSPO2; //指示SPO2计算是否有效 int32_t heartRate; //心率值 int8_t validHeartRate; //指示心率计算是否有效 bool sensorEnabled = false; //标志位,表示传感器是否启用 void setup() { Serial.begin(115200); // 以115200比特/秒初始化串行通信: // 初始化WIFI连接 Serial.println(); Serial.println(); Serial.print("连接到 "); Serial.println(ssid); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { delay(1000); Serial.print("."); } Serial.println(""); Serial.println("WiFi 连接成功"); Serial.println(WiFi.localIP()); // 初始化Web服务器 server.begin(); Serial.println("Web服务器已启动"); // 初始化传感器 Wire.begin(4, 5); // SDA = GPIO 4, SCL = GPIO 5 if (!particleSensor.begin(Wire, I2C_SPEED_FAST)) //使用默认的I2C端口,400kHz的速度 { Serial.println(F("未找到MAX30105。 请检查布线/电源。")); while (1); } particleSensor.setup(55, 4, 2, 200, 411, 4096); //使用这些设置配置传感器 // 初始化结束后关闭传感器模块 particleSensor.shutDown(); sensorEnabled = false; } long lastActiveTime = 0; void loop() { // 等待Web客户端连接 WiFiClient client = server.available(); if (client) { Serial.println("New Client."); String currentLine = ""; while (client.connected()) { if (client.available()) { char c = client.read(); Serial.write(c); if (c == '\n') { if (currentLine.length() == 0) { // 发送HTTP头部 client.println("HTTP/1.1 200 OK"); client.println("Content-type:text/html"); client.println(); // 发送HTML内容 client.println("<html>"); client.println("<head><title>MAX30102 控制</title></head>"); client.println("<body>"); client.println("<h1>MAX30102 控制</h1>"); client.println("<p>当前状态: " + String(sensorEnabled ? "已打开" : "已关闭") + "</p>"); client.println("<form method=\"POST\">"); if (sensorEnabled) { client.println("<input type=\"submit\" name=\"action\" value=\"关闭传感器\"/>"); } else { client.println("<input type=\"submit\" name=\"action\" value=\"打开传感器\"/>"); } client.println("</form>"); client.println("</body>"); client.println("</html>"); // 处理命令 if (currentLine.indexOf("GET /?action=打开传感器") != -1) { if (!sensorEnabled) { // 打开传感器模块 particleSensor.wakeUp(); delay(500); // 给传感器启动一些时间 sensorEnabled = true; } } else if (currentLine.indexOf("GET /?action=关闭传感器") != -1) { if (sensorEnabled) { // 关闭传感器模块 particleSensor.shutDown(); sensorEnabled = false; } } break; } else { currentLine = ""; } } else if (c != '\r') { currentLine += c; } } } // 断开连接 client.stop(); Serial.println("Client Disconnected."); } // 检查传感器是否需要关闭 if (sensorEnabled && (millis() - lastActiveTime > 60000)) { particleSensor.shutDown(); sensorEnabled = false; } //读取前50个样本,并确定信号范围 for (byte i = 0 ; i < 50 ; i++) { while (particleSensor.available() == false) //是否有新数据? particleSensor.check(); //检查传感器是否有新数据 redBuffer = particleSensor.getRed(); irBuffer = particleSensor.getIR(); particleSensor.nextSample(); //处理完当前样本后,转到下一个样本 Serial.print(F("红光=")); Serial.print(redBuffer, DEC); Serial.print(F(", 红外=")); Serial.println(irBuffer, DEC); } //在前50个样本之后计算心率和SpO2(前4秒的样本) maxim_heart_rate_and_oxygen_saturation(irBuffer, 50, redBuffer, &spo2, &validSPO2, &heartRate, &validHeartRate); //无线循环地从MAX30102中采样。每1秒计算一次心率和SpO2 while (1) { //将内存中的前25个样本丢弃,并将最后25个样本移动到顶部 for (byte i = 25; i < 50; i++) { redBuffer[i - 25] = redBuffer; irBuffer[i - 25] = irBuffer; } //在计算心率之前,采取25个样本集。 for (byte i = 25; i < 50; i++) { while (particleSensor.available() == false) //是否有新数据? particleSensor.check(); //检查传感器是否有新数据 redBuffer = particleSensor.getRed(); irBuffer = particleSensor.getIR(); particleSensor.nextSample(); //处理完当前样本后,转到下一个样本 Serial.print(F("红光=")); Serial.print(redBuffer, DEC); Serial.print(F(", 红外=")); Serial.print(irBuffer, DEC); Serial.print(F(", 心率=")); Serial.print(heartRate, DEC); Serial.print(F(", HRvalid=")); Serial.print(validHeartRate, DEC); Serial.print(F(", 血氧饱和度=")); Serial.print(spo2, DEC); Serial.print(F(", SPO2Valid=")); Serial.println(validSPO2, DEC); } //收集25个新样本后,重新计算HR和SP02 maxim_heart_rate_and_oxygen_saturation(irBuffer, 50, redBuffer, &spo2, &validSPO2, &heartRate, &validHeartRate); printToSerial(); } } void printToSerial() { if(validSPO2 && validHeartRate) { Serial.print(F("心率: ")); Serial.println(heartRate, DEC); Serial.print(F("血氧饱和度: ")); Serial.println(spo2, DEC); } else { Serial.println(F("无效")); } } // 如果需要关闭传感器模块,则可以使用以下函数 void shutDownSensorModule() { if (sensorEnabled) { particleSensor.shutDown(); sensorEnabled = false; } }@hu60bot,这段代码中Web服务器,传感器的采样和计算代码在一个无限循环中会崩溃,帮我改一下
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[新会话] @童真再见,Post "https://api.openai.com/v1/chat/completions": dial tcp 192.168.31.16:443: i/o timeout
[新会话] @童真再见,这段代码存在多个问题,可能会导致程序崩溃或不正常工作。以下是一些问题及建议的修改:
在无限循环中读取50个样本,计算心率和SpO2之后,应该退出无限循环并等待一段时间才能再次读取样本和计算心率和SpO2。否则,程序将陷入死循环,无法响应其他操作。
在循环中,每次读取50个样本时都会重新分配内存,这会浪费内存资源,应该将红色和红外缓冲区的分配放在setup函数中。
在循环中,读取50个样本时,应该使用[]操作符访问数组中的元素,而不是访问整个数组。
在循环中,将新的样本插入缓冲区时,应该从下标25开始插入,而不是从0开始插入。
在循环中,打印输出语句的位置应该放在正确的位置,以便正确输出。
以下是修改后的代码: