feat(sensors): add BSEC2 support for BME680 IAQ and improve altitude correction #1361
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…correction - Add BSEC2 library integration for BME680 Indoor Air Quality (IAQ) measurements - Implement geoidal separation for more accurate altitude corrections - Add sensor reading caching to prevent excessive polling of BME680 - Sync advertised location from preferences to sensors for geoid correction fallback - Add board-specific power management support for Heltec V3 - Enable altitude correction even when GPS doesn't have a fix This enhances environment sensor capabilities by providing air quality metrics through the BSEC2 library and improves altitude accuracy using proper geoid height corrections. The fallback location mechanism ensures altitude corrections work reliably regardless of GPS fix status.
Swaps the GPS RX and TX pin definitions to match hardware wiring, and updates the GPS location provider instantiation to include reset, enable, and power control parameters for improved accuracy and hardware control.
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…tude - Apply geoidal separation correction directly to GPS altitude instead of BME680 barometric altitude - Add satellite count as analog output telemetry for GPS data - Change BME680 sensor telemetry to use dynamic channel assignment (next_available_channel) instead of TELEM_CHANNEL_SELF - Replace generic sensor types with more appropriate telemetry types (addAnalogOutput for gas resistance, addPresence for IAQ accuracy) - Simplify BME680 altitude calculation by removing redundant geoidal correction logic - Streamline debug logging for BME680 sensor readings This change improves logical separation of concerns by applying geoidal correction at the GPS level where location data originates, rather than in barometric altitude calculations. It also makes telemetry channel usage more consistent and semantic.
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This enhances environment sensor capabilities by providing air quality metrics through the BSEC2 library and improves altitude accuracy using proper geoid height corrections. The fallback location mechanism ensures altitude corrections work reliably regardless of GPS fix status.