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- Added NmeaStreamManager for TCP connection and sentence parsing.
- Extended NmeaParser to support MWV (wind), DBT (depth), and HDG/HDM (heading) sentences.
- Added sensor data models: WindData, DepthData, HeadingData.
- Introduced PowerMode enum to manage GPS update intervals.
- Integrated NmeaStreamManager and PowerMode into LocationService.
- Added test-runner, a standalone JVM-only Gradle project for verifying GPS/NMEA logic.
Co-Authored-By: Gemini CLI <noreply@google.com>
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- NmeaParser: parses $GPRMC (and any *RMC) sentence → GpsPosition
- Null for void status (V), malformed input, non-RMC sentence
- SOG/COG default to 0.0 when empty; S/W give negative lat/lon
- Timestamp from HHMMSS + DDMMYY fields as Unix epoch millis UTC
- No Android dependencies
- GpsPositionTest: value holding and data-class equality (2 tests)
- NmeaParserTest: 11 tests covering valid parse, void/malformed/empty,
hemisphere signs, decimal precision
- All 22 unit tests verified GREEN via kotlinc + JUnitCore
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- GpsPosition: lat/lon/sog (knots)/cog (degrees true)/timestampMs
- GpsProvider + GpsListener interfaces for provider abstraction
- DeviceGpsProvider wraps LocationManager GPS_PROVIDER (1 Hz default)
SOG: m/s × 1.94384 knots; fix-lost timeout 10s
- FakeGpsProvider + 9 passing JVM unit tests (no Android deps)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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