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Overview expand_more
  • Pigweed overview
  • Mission & philosophies
  • Glossary
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Quickstart expand_more
  • Overview
  • First-time setup
  • Install Bazel
  • Bazel quickstart
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  • CMake integration
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Tour expand_more
  • Overview
  • 0. Expectations and prerequisites
  • 1. Setup
  • 2. Explore build targets
  • 3. Build an app
  • 4. Explore C++ code intelligence
  • 5. Run host tests
  • 6. Static and runtime analysis
  • 7. Run the host app
  • 8. Flash your Pico
  • 9. Run on-device tests
  • 10. Communicate with your Pico over RPC
  • 11. Automate common workflows
  • 12. Communicate with your Pico over the Web Serial API
  • 13. Run factory workflows at your desk
  • 14. Use Bazel’s cloud features
  • 15. Run the air quality monitor app
  • 16. Handle crashes and view snapshots
  • 17. Wrapping up
  • Source code
Modules expand_more
  • Overview
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  • Facades & backends
  • pw_alignment
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  • pw_display
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  • pw_docgen
  • pw_doctor
  • pw_elf
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  • pw_enum
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  • pw_env_setup_zephyr
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  • pw_multisink
  • pw_numeric
  • pw_package
  • pw_perf_test
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  • pw_polyfill
  • pw_preprocessor
  • pw_presubmit
  • pw_protobuf
  • pw_protobuf_compiler
  • pw_random
  • pw_result
  • pw_ring_buffer
  • pw_router
  • pw_rpc
  • pw_rpc_transport
  • pw_rust
  • pw_sensor
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  • pw_span
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    • #1: Kudzu
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    • #4: Fixed Point Arithmetic as a Replacement for Soft Floats
    • #5: C++20 coroutines without heap allocation
    • #6: Shaping a better future for Bazel C/C++ toolchains
    • #7: BazelCon 2024
    • #8: Migrating pigweed.dev to Bazel
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Site Navigation

  • Overview
    • Pigweed overview
    • Mission & philosophies
    • Glossary
    • FAQs
  • Quickstart
    • Overview
    • First-time setup
    • Install Bazel
    • Bazel quickstart
    • Bazel integration
    • CMake integration
    • Static and runtime analysis
    • GitHub Actions
    • Zephyr quickstart
  • Tour
    • Overview
    • 0. Expectations and prerequisites
    • 1. Setup
    • 2. Explore build targets
    • 3. Build an app
    • 4. Explore C++ code intelligence
    • 5. Run host tests
    • 6. Static and runtime analysis
    • 7. Run the host app
    • 8. Flash your Pico
    • 9. Run on-device tests
    • 10. Communicate with your Pico over RPC
    • 11. Automate common workflows
    • 12. Communicate with your Pico over the Web Serial API
    • 13. Run factory workflows at your desk
    • 14. Use Bazel’s cloud features
    • 15. Run the air quality monitor app
    • 16. Handle crashes and view snapshots
    • 17. Wrapping up
    • Source code
  • Modules
    • Overview
    • Module Structure
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    • pw_alignment
      • C/C++ API reference
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      • C/C++ API reference
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    • pw_async2
      • Why pw_async2?
      • Quickstart
      • Informed poll
      • Codelab
        • 1. Run a task
        • 2. Call an async function
        • 3. Create and wake a Future
        • 4. Use a state machine
        • 5. Communicate between tasks
      • Guides
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      • Code size analysis
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    • pw_atomic
      • Source code
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    • pw_base64
      • Rust API reference
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    • pw_bloat
      • pw_bloat threat model
      • C/C++ API reference
      • Source code
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    • pw_blob_store
      • Source code
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    • pw_bluetooth
      • C/C++ API reference
      • Source code
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    • pw_bluetooth_hci
      • Source code
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    • pw_bluetooth_proxy
      • Crash recovery
      • pw_bluetooth_proxy threat model
      • C/C++ API reference
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    • pw_bluetooth_profiles
      • Source code
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    • pw_bluetooth_sapphire
      • Fuchsia development
      • Size report
      • C/C++ API reference
      • Source code
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    • pw_boot
      • Backends
        • Cortex-M
          • Source code
          • Issues
      • pw_boot threat model
      • Source code
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    • pw_buf
      • Source code
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    • pw_build
      • GN / Ninja
        • Python GN Templates
      • Bazel
        • Rules
        • Compatibility constraints
        • Helper targets, macros, and templates
      • Project Builder
      • Python API Reference
      • Linker Scripts
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        • Workflows build drivers
      • pw_build threat model
      • Rust API reference
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    • pw_build_android
      • Source code
      • Issues
    • pw_build_info
      • Source code
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    • pw_build_mcuxpresso
      • Source code
      • Issues
    • pw_bytes
      • Code size analysis
      • Design & roadmap
      • Quickstart & guides
      • pw_bytes Python package
      • Rust API reference
      • C/C++ API reference
      • Source code
      • Issues
    • pw_channel
      • Quickstart & guides
      • Design
      • C/C++ API reference
      • Source code
      • Issues
    • pw_change
      • Source code
      • Issues
    • pw_checksum
      • Source code
      • Issues
    • pw_chre
      • C/C++ API reference
      • Source code
      • Issues
    • pw_chrono
      • Backends
        • embOS
          • Source code
          • Issues
        • FreeRTOS
          • Source code
          • Issues
        • RP2040
          • Source code
          • Issues
        • STL
          • Source code
          • Issues
        • ThreadX
          • Source code
          • Issues
        • Zephyr
          • Source code
          • Issues
      • C/C++ API reference
      • Source code
      • Issues
    • pw_cli
      • API Reference
      • pw_cli threat model
      • Source code
      • Issues
    • pw_cli_analytics
      • Source code
      • Issues
    • pw_clock_tree
      • Examples
      • Implementations
        • MCUXpresso
          • C/C++ API reference
          • Source code
          • Issues
      • C/C++ API reference
      • Source code
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    • pw_compilation_testing
      • Source code
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    • pw_config_loader
      • API Reference
      • Source code
      • Issues
    • pw_console
      • User Guide
      • Embedding Guide
      • Plugin Guide
      • Manual Test Procedure
      • Built-in CLI Tools
      • Internal Design
      • pw_console threat model
      • Source code
      • Issues
    • pw_containers
      • Lists
      • Maps
      • Queues
      • Sets
      • Vectors
      • Utilities
      • Using items with multiple containers
      • C/C++ API reference
      • Source code
      • Issues
    • pw_cpu_exception
      • Backends
        • Cortex-M
          • Source code
          • Issues
        • RISCV
          • Source code
          • Issues
      • Source code
      • Issues
    • pw_crypto
      • pw_crypto threat model
      • C/C++ API reference
      • Source code
      • Issues
    • pw_digital_io
      • Backends
        • Linux
          • Source code
          • Issues
        • MCUXpresso
          • C/C++ API reference
          • Source code
          • Issues
        • RP2040
          • Source code
          • Issues
        • Zephyr
          • Source code
          • Issues
      • C/C++ API reference
      • Source code
      • Issues
    • pw_display
      • API reference
      • C/C++ API reference
      • Source code
      • Issues
    • pw_dma_mcuxpresso
      • Source code
      • Issues
    • pw_docgen
      • Source code
      • Issues
    • pw_doctor
      • Source code
      • Issues
    • pw_elf
      • pw_elf Python package
      • C/C++ API reference
      • Source code
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    • pw_emu
      • Get started & guides
      • CLI reference
      • API reference
      • Configuration
      • Design
      • SEED-0108
      • Source code
      • Issues
    • pw_enum
      • Source code
      • Issues
    • pw_env_setup
      • Bazel CIPD Module Extension
      • Source code
      • Issues
    • pw_env_setup_zephyr
      • Source code
      • Issues
    • pw_file
      • Source code
      • Issues
    • pw_flatbuffers
      • Source code
      • Issues
    • pw_format
      • Rust API reference
      • Source code
      • Issues
    • pw_fortifier
      • Source code
      • Issues
    • pw_function
      • C/C++ API reference
      • Source code
      • Issues
    • pw_fuzzer
      • Concepts
      • Adding Fuzzers Using FuzzTest
      • Adding Fuzzers Using LibFuzzer
      • Using OSS-Fuzz
      • Source code
      • Issues
    • pw_ghish
      • CLI User Guide
      • AI Workflows
      • GitHub CLI Comparison
      • Flag compatibility policy
      • Status & roadmap
      • Project Adoption Guide
      • Agent Evaluation Runbook
      • Source code
      • Issues
    • pw_grpc
      • Source code
      • Issues
    • pw_hdlc
      • Get started & guides
      • API reference
      • Design & roadmap
      • Code size analysis
      • RPC over HDLC example
      • Router
      • C/C++ API reference
      • Source code
      • Issues
    • pw_hex_dump
      • C/C++ API reference
      • Source code
      • Issues
    • pw_i2c
      • Quickstart and guides
      • Implementations
        • Linux
          • C/C++ API reference
          • Source code
          • Issues
        • MCUXpresso
          • Source code
          • Issues
        • Pico SDK
          • Source code
          • Issues
        • Zephyr RTOS
          • Source code
          • Issues
      • C/C++ API reference
      • Source code
      • Issues
    • pw_ide
      • Bazel
        • Getting Started
        • Code intelligence
        • Rust code intelligence
        • Extension enforcement
        • Commands Reference
        • Troubleshooting
      • Bootstrap
        • Legacy support via CLI
      • Contributing
        • Development
        • Manual Test Procedure
        • Design
          • C/C++ code intelligence
          • Projects
      • Source code
      • Issues
    • pw_interrupt
      • Backends
        • Cortex-M
          • Source code
          • Issues
        • FreeRTOS
          • Source code
          • Issues
        • Zephyr
          • Source code
          • Issues
        • Fake (test-only)
      • C/C++ API reference
      • Source code
      • Issues
    • pw_intrusive_ptr
      • Source code
      • Issues
    • pw_json
      • C/C++ API reference
      • Source code
      • Issues
    • pw_kernel
      • Quickstart
      • Tour
      • Design
      • Guides
      • Upstream
      • Source code
      • Issues
    • pw_kvs
      • Guides
      • On-disk format and design
      • Code size analysis
      • pw_kvs threat model
      • C/C++ API reference
      • Source code
      • Issues
    • pw_libc
      • Source code
      • Issues
    • pw_libcxx
      • Source code
      • Issues
    • pw_log
      • The pw_log protobuf
      • Tokenized log arguments
      • API reference
      • Backends
        • Android
          • Source code
          • Issues
        • Basic
          • Source code
          • Issues
        • Fuchsia
          • Source code
          • Issues
        • Null
          • Source code
          • Issues
        • RPC
        • String
          • Source code
          • Issues
        • Tokenized
          • C/C++ API reference
          • Source code
          • Issues
        • Zephyr
          • Source code
          • Issues
      • Rust API reference
      • C/C++ API reference
      • Source code
      • Issues
    • pw_malloc
      • Backends
        • Freelist
          • Source code
          • Issues
        • FreeRTOS
          • Source code
          • Issues
      • C/C++ API reference
      • Source code
      • Issues
    • pw_memory
      • Source code
      • Issues
    • pw_metric
      • Source code
      • Issues
    • pw_module
      • Source code
      • Issues
    • pw_multibuf
      • Usage examples
      • Concepts
      • Design
      • Code size analysis
      • C/C++ API reference
      • Source code
      • Issues
    • pw_multisink
      • Source code
      • Issues
    • pw_numeric
      • C/C++ API reference
      • Source code
      • Issues
    • pw_package
      • Source code
      • Issues
    • pw_perf_test
      • C/C++ API reference
      • Source code
      • Issues
    • pw_persistent_ram
      • C/C++ API reference
      • Source code
      • Issues
    • pw_polyfill
      • C/C++ API reference
      • Source code
      • Issues
    • pw_preprocessor
      • C/C++ API reference
      • Source code
      • Issues
    • pw_presubmit
      • Code formatting
      • pigweed.json configuration options
      • Source code
      • Issues
    • pw_protobuf
      • Extended size report
      • C/C++ API reference
      • Source code
      • Issues
    • pw_protobuf_compiler
      • Source code
      • Issues
    • pw_random
      • Backends
        • Fuchsia
          • Source code
          • Issues
      • C/C++ API reference
      • Source code
      • Issues
    • pw_result
      • C/C++ API reference
      • Source code
      • Issues
    • pw_ring_buffer
      • Source code
      • Issues
    • pw_router
      • Source code
      • Issues
    • pw_rpc
      • Integration & setup
      • Creating services
      • C++ client & server
      • C++ with Nanopb
      • C++ with pw_protobuf
      • C++ with raw RPC
      • C/C++ API reference
      • Python client
      • TypeScript client
      • Java client
      • Benchmarking
      • Wire protocol
      • Design
      • Serial & HDLC example
      • Source code
      • Issues
    • pw_rpc_transport
      • Source code
      • Issues
    • pw_rust
      • Source code
      • Issues
    • pw_sensor
      • Python package
      • Source code
      • Issues
    • pw_snapshot
      • Setting up a Snapshot Pipeline
      • Module Usage
      • Snapshot Proto Format
      • Design Discussion
      • Source code
      • Issues
    • pw_software_update
      • Get started
      • Design
      • Guide
      • CLI reference
      • pw_software_update threat model
      • Source code
      • Issues
    • pw_span
      • C/C++ API reference
      • Source code
      • Issues
    • pw_spi
      • Backends
        • Linux
          • Source code
          • Issues
        • MCUXpresso
          • Source code
          • Issues
        • RP2040
          • Source code
          • Issues
        • Zephyr
          • Source code
          • Issues
      • C/C++ API reference
      • Source code
      • Issues
    • pw_status
      • Get started & guides
      • Reference
      • Rust API reference
      • C/C++ API reference
      • Source code
      • Issues
    • pw_stm32cube_build
      • Source code
      • Issues
    • pw_stream
      • Backends
        • UART (Linux)
          • C/C++ API reference
          • Source code
          • Issues
        • UART (MCUXpresso)
          • Source code
          • Issues
      • Rust API reference
      • C/C++ API reference
      • Source code
      • Issues
      • Python
    • pw_string
      • Get Started & Guides
      • Design & Roadmap
      • Code Size Analysis
      • C/C++ API reference
      • Source code
      • Issues
    • pw_symbolizer
      • Source code
      • Issues
    • pw_sync
      • Backends
        • Bare Metal
          • Source code
          • Issues
        • embOS
          • Source code
          • Issues
        • FreeRTOS
          • Source code
          • Issues
        • STL
          • Source code
          • Issues
        • ThreadX
          • Source code
          • Issues
        • Zephyr
          • Source code
          • Issues
      • C/C++ API reference
      • Source code
      • Issues
    • pw_sys_io
      • Backends
        • Ambiq Suite SDK
          • Source code
          • Issues
        • Arduino
          • Source code
          • Issues
        • LM3S6965EVB
          • Source code
          • Issues
        • STM32F429
          • Source code
          • Issues
        • Emcraft SF2
          • Source code
          • Issues
        • MCUXpresso
          • Source code
          • Issues
        • RP2040
          • Source code
          • Issues
        • Standard I/O
          • Source code
          • Issues
        • STM32Cube
          • Source code
          • Issues
        • Zephyr
          • Source code
          • Issues
      • C/C++ API reference
      • Source code
      • Issues
    • pw_system
      • Console CLI reference
      • Python Console APIs
      • C/C++ API reference
      • Source code
      • Issues
    • pw_target_runner
      • Go
      • Source code
      • Issues
    • pw_thread
      • Backends
        • embOS
          • Source code
          • Issues
        • FreeRTOS
          • Source code
          • Issues
        • STL
          • Source code
          • Issues
        • ThreadX
          • Source code
          • Issues
        • Zephyr
          • Source code
          • Issues
      • Rust API reference
      • C/C++ API reference
      • Source code
      • Issues
    • pw_time
      • Rust API reference
      • Source code
      • Issues
    • pw_tls_client
      • Backends
        • BoringSSL
          • Source code
          • Issues
        • MbedTLS
          • Source code
          • Issues
      • Source code
      • Issues
    • pw_tokenizer
      • Get started
      • Tokenization
      • Token databases
      • Detokenization
      • API reference
      • Rust API reference
      • C/C++ API reference
      • Source code
      • Issues
    • pw_toolchain
      • Bazel build system integrations
      • GN build system integrations
      • pw_toolchain threat model
      • C/C++ API reference
      • Source code
      • Issues
    • pw_trace
      • Backends
        • Tokenized
          • C/C++ API reference
          • Source code
          • Issues
      • Source code
      • Issues
    • pw_transfer
      • C/C++ API reference
      • Source code
      • Issues
    • pw_uart
      • Backends
        • MCUXpresso
          • Source code
          • Issues
      • C/C++ API reference
      • Source code
      • Issues
    • pw_unit_test
    • Zephyr backend tests
      • Source code
      • Issues
    • pw_uuid
      • C/C++ API reference
      • Source code
      • Issues
    • pw_varint
      • Rust API reference
      • C/C++ API reference
      • Source code
      • Issues
    • pw_watch
      • How-to guide
      • CLI reference
      • Source code
      • Issues
    • pw_web
      • Manual Test Procedure
      • Log viewer
      • Python shell
      • Source code
      • Issues
    • pw_work_queue
      • C/C++ API reference
      • Source code
      • Issues
  • Contributing
    • Contributing guide
    • Build systems reference
    • Code reviews (Gerrit)
    • Code review guidelines
    • Issue tracker
    • Report a vulnerability
    • SEEDs
      • 0001: The SEED Process
      • 0002: SEED Template
      • 0101: pigweed.json
      • 0102: Consistent Module Documentation
      • 0103: pw_protobuf: Past, present, and future
      • 0104: Display Support
      • 0105: Nested Tokens and Tokenized Log Arguments
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