Section 1 backend: VIN/Mode-09, readiness monitors, freeze-frame, trip/perf
obdcore additions (all standard SAE J1979, vehicle-agnostic, hardware-free
tested):
- obdservices.py: decode_vin (Mode 09), decode_readiness (Mode 01 PID 01 I-M
monitors + MIL + DTC count, spark/diesel monitor sets), freeze-frame PID set.
- link.py: ElmLink.read_vehicle_info (VIN/cal/ECU), read_readiness, read_freeze_frame.
- trip.py: TripComputer (MAF-based MPG + trip totals) and PerformanceMeter
(0-60 / 1/4-mile with launch detection).
- mock.py: speed/MAF/readiness + service stubs for GUI mock mode.
- tests/test_services.py: VIN, readiness bit decode, trip math, 0-60/quarter.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016yT89n4zR4qbrySoSiEyZs
justin
6c1ee0c81d