Files
gps-speedo/lib/config/gps_constants.dart
T
Mikkeli Matlock 2b2fc8fbd3 chore(01-01): create directory structure and infrastructure files
- Create lib/screens/, lib/widgets/, lib/providers/, lib/models/, lib/config/ directories
- Add Logger utility with error/warn/info/debug levels (kDebugMode guarded)
- Add GpsConfig constants (timeouts, heading validation)
- Add TimingConfig constants (heartbeat, overlay intervals)
- Add OverlayConfig constants (sizing, opacity ratios)
2026-02-09 21:22:19 +09:00

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Dart

// GPS behavioral constants — SCREAMING_SNAKE per project convention
/// GPS configuration constants for data validation and timeouts
abstract class GpsConfig {
/// Time threshold after which GPS data is considered stale
static const Duration STALE_DATA_THRESHOLD = Duration(seconds: 4);
/// Timeout for initial GPS fix acquisition (outdoor/cold start)
static const Duration INITIAL_FIX_TIMEOUT = Duration(seconds: 20);
/// Timeout for ongoing GPS updates (indoor/signal loss detection)
static const Duration UPDATE_TIMEOUT = Duration(seconds: 2);
/// Minimum valid heading value in degrees
static const double VALID_HEADING_MIN = 0.0;
/// Maximum valid heading value in degrees
static const double VALID_HEADING_MAX = 360.0;
/// Speed threshold below which heading is considered unreliable (m/s)
static const double LOW_SPEED_THRESHOLD = 1.0;
}