Representation of an 8-bit RGB pixel (Red, Green, Blue) @note **Performance Tip**: This struct provides both inline single-pixel methods and referenc

Forward declaration for cross-type operations

7^3 - 1 = 342 in-gamut samples. Skips (0,0,0) since both paths short-circuit to (0,0,0,0) without touching the solver.

string_view: A non-owning view into a contiguous sequence of characters Provides std::string_view-like functionality for embedded environments Does NO

Error type for promises

Unsigned 24.8 fixed-point value type.

@brief Result type for DMA buffer acquisition @details Returns either a valid buffer span or an error code @note Buffer uses shared_ptr for lifetime m

Represents an exception to a banned header rule. Attributes: file_pattern: Glob pattern matching allowed file paths (e.g., "**/*.cpp", "i

Generator for the DrawPoints struct above. n_led: How many led's there are in total. factor: 0->1, indicates % of led's "on".

`fl::string` extends `string_n<FASTLED_STR_INLINED_SIZE>` with the composite-type formatter overloads (CRGB, vec2, span, vector, optional, …), the `su

Unsigned 8.8 fixed-point value type. Range: [0, 256) with 8 fractional bits.

Two-layer file change detection using modification time and content hashing. Provides efficient change detection by: 1. Fast modificatio

Asio-compatible error code: numeric code + optional human-readable message. Maps to boost::system::error_code in Asio. Unlike fl::task::Error (string

Sample is a wrapper around SampleImpl, hiding the reference counting so that the api object can be simple and have standard object semantics.

Container for file content and metadata.

Result from sketch compilation.

Two-layer file change detection backed by the Rust ``zccache-fingerprint`` CLI. Provides efficient change detection by: 1. Fast mtime+si

Aggregate hash-based fingerprint cache backed by ``zccache-fingerprint`` CLI. Generates a single blake3 hash from the entire file set. All-

Result from running Meson build and tests

Simple formatter that adds timestamps relative to program start.

Represents parsed @filter block from a sketch.

SQLite-backed lock database with reader-writer lock semantics. Uses WAL journal mode for concurrent read access and BEGIN IMMEDIATE transacti

RGBW16 color structure for 16-bit RGBW color values (test-only) Similar to RGB16 but with white channel

RGBW8 color structure for 8-bit RGBW color values (test-only)

Test case for RPC response handling.

Processor that can run multiple checkers on files. Caches file content across process_files_with_checkers() calls so that files read in one s

Stateful JSON-RPC client for serial communication. Accepts a SerialInterface for serial I/O. Use create_serial_interface() to create the appr

Helper class to test move semantics

Tool with system-specific downloads and enhanced functionality

* @brief Universal edge timing representation (platform-agnostic) * * Represents a single edge transition with duration in nanoseconds. * RX device

Unsigned 12.4 fixed-point value type.

@brief Runtime bit-period timing for a clockless chipset Pure timing — no encoder field. The byte-level encoder pipeline lives on `ClocklessChipset`

Checker that enforces FL_NOEXCEPT on functions in src/fl/ and src/platforms/. Supersedes the former NoexceptFlChecker, NoexceptEsp32Checker, and

Checker that flags raw 'noexcept' keyword — use FL_NOEXCEPT instead.

@brief A random number generator class that wraps FastLED's random functions This class provides a standard C++ random generator interface that can b

Reverse iterator types (same as vector)

Inter-process file lock wrapper backed by SQLite database. Provides a context manager for acquiring/releasing locks safely. Automaticall

Lint checker: every special member function in src/fl/ must have FL_NOEXCEPT.

RGB LED power consumption model Used for standard 3-channel LEDs (WS2812, WS2812B, APA102, etc.) The model carries the brightness-to-power response e

Manage quiet-mode output for AI agents. In quiet mode, opens a log file for verbose fbuild output redirection. Use emit() for compact summary

Daemon → Client: Status update message. This message is written to the status file by the daemon to communicate current state and progress to

Checker class for banned headers.

Container for all violations found by a checker.

One opt-in combo to measure. Attributes: name: short name (e.g. "stage2"); also the doc-row key. label: human-readable descriptio

Handle returned when registering with the SPI bus manager

Information about a single test failure

LED timing in datasheet format (standard LED specification). Attributes: T0H: Time HIGH when sending a '0' bit (nanoseconds) T0L:

@brief Configuration for a single LED channel Contains all settings typically configured via FastLED.addLeds<>().set...() methods: - LED data array a

Forward declarations. The chipset family types live in fl/channels/config.h, but DefaultBus<Chipset> only needs the type identity, not the layout.

Manages container lifecycle tracking database.

@brief Task Handle with fluent API (was class fl::task, renamed to avoid namespace collision)

Result from compiler initialization.

Checker that verifies FL_IS_* macro users include the right is_*.h header.

Exception for test execution failures

Result from a single test execution.

LED timing in 3-phase format (three-phase protocol). Protocol Timing: At T=0 : Line goes HIGH (start of bit) At T=T1

Specification for a lazily-loaded module attribute.

Unsigned 16-bit alpha / brightness — UNORM16. Represents values in [0.0, 1.0] inclusive. Interpretation: raw / 65535 raw 0 = 0.0 raw 32768 = 3276

Iterator support.

Configuration for a fingerprint cache instance. Attributes: name: Unique identifier for this cache (e.g., "cpp_lint", "python_test")

Optional channel configuration parameters All fields have sensible defaults and can be overridden as needed. Driver selection** (#2459). `mBus` is th

Result of unity build structure validation.

Result of a download operation.

Forward declarations