분량 초과로 코드/로그캣 따로 보내드립니다. 죄송합니다.

Question

#include <Wire.h>
#include <SoftwareSerial.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_ADXL345_U.h>

// ADXL345 모듈 설정
Adafruit_ADXL345_Unified adxl = Adafruit_ADXL345_Unified(12345);

// HC-06 모듈 설정 (TX, RX)
SoftwareSerial bluetooth(10, 11);

unsigned long previousMillis = 0; // 이전 시간 저장
const long interval = 1000; // 데이터 전송 간격 (밀리초 단위)

void setup() {
  // 시리얼 모니터와 블루투스 초기화
  Serial.begin(9600);
  bluetooth.begin(9600);
  
  // ADXL345 초기화 확인
  if (!adxl.begin()) {
    Serial.println("No ADXL345 detected ... Check your wiring!");
    while (1);
  }
  
  adxl.setRange(ADXL345_RANGE_2_G);
}

void loop() {
  unsigned long currentMillis = millis();
  
  if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;
    
    sensors_event_t event;
    adxl.getEvent(&event);

    // 각도 계산
    float x_angle = atan(event.acceleration.x / sqrt(pow(event.acceleration.y, 2) + pow(event.acceleration.z, 2))) * 180 / PI;
    float y_angle = atan(event.acceleration.y / sqrt(pow(event.acceleration.x, 2) + pow(event.acceleration.z, 2))) * 180 / PI;

    // 자세 결정
    String posture = determinePosture(x_angle, y_angle);

    // 자세 정보 시리얼 모니터와 블루투스에 출력
    Serial.print("Posture: ");
    Serial.println(posture);
    bluetooth.println(posture); // 여기서 데이터가 전송됨을 확인
  }
}

String determinePosture(float x_angle, float y_angle) {
  if (abs(x_angle) <= 10 && abs(y_angle) <= 10) {
    return "GOOD";
  } else if (abs(x_angle) <= 20 && abs(y_angle) <= 20) {
    return "SLIGHT";
  } else {
    return "BAD";
  }
}

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.opensource">

    <uses-permission android:name="android.permission.BLUETOOTH" />
    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
    <uses-permission android:name="android.permission.BLUETOOTH_SCAN" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>