bitrate configuration API

[pd0wm]

Resolves #77

[Copilot]

Pull request overview

Adds a generic bitrate/timing configuration helper API across CAN adapters to support issue #77 (bitrate configuration), including adapter timing metadata and Vector XL CAN-FD configuration conversion.

Changes:

• Introduces can::bitrate module with BitrateBuilder, timing constants/types, and validation/solve logic (plus tests).
• Extends CanAdapter with a static timing_const() API and implements it for Vector, SocketCAN, and Panda adapters.
• Adds From<BitrateConfig> for XLcanFdConf, plus Vector-specific timing constants and a regression test against the predefined Vector config.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
src/can/mod.rs	Exposes new bitrate module and adds timing_const() requirement to CanAdapter.
src/can/bitrate.rs	New bitrate/timing solver and builder API with extensive unit tests.
src/vector/types.rs	Adds equality for XLcanFdConf and conversion from BitrateConfig to Vector CAN-FD config.
src/vector/mod.rs	Updates predefined Vector config values, adds Vector timing constants, implements timing_const(), and adds a builder-vs-constant test.
src/socketcan/mod.rs	Adds timing metadata implementation (currently dummy) to satisfy the new CanAdapter API.
src/panda/mod.rs	Adds timing metadata implementation (currently dummy) to satisfy the new CanAdapter API.

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[Copilot]

Pull request overview

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

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