Synheart Emotion - Dart/Flutter SDK

dependencies:
  synheart_emotion: ^0.2.1

flutter pub get

import 'package:synheart_emotion/synheart_emotion.dart';

final engine = EmotionEngine.fromPretrained(
  const EmotionConfig(
    window: Duration(seconds: 60),
    step: Duration(seconds: 5),
  ),
);

engine.push(
  hr: 72.0,
  rrIntervalsMs: [850.0, 820.0, 830.0, 845.0, 825.0],
  timestamp: DateTime.now(),
);

final results = engine.consumeReady();
for (final result in results) {
  print('Emotion: ${result.emotion} (${result.confidence})');
}

import 'package:synheart_wear/synheart_wear.dart';
import 'package:synheart_emotion/synheart_emotion.dart';

final wearSDK = SynheartWear(...);
final emotionEngine = EmotionEngine.fromPretrained();

// Stream from wearable
wearSDK.streamHRV(windowSize: Duration(seconds: 60))
  .listen((metrics) {
    emotionEngine.push(
      hr: metrics.getMetric(MetricType.hr)!,
      rrIntervalsMs: metrics.rrIntervals,
      timestamp: DateTime.now(),
    );

    final results = emotionEngine.consumeReady();
    if (results.isNotEmpty) {
      print('Current emotion: ${results.first.emotion}');
    }
  });