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Common Data Representation (CDR) read/write helpers for ESP-IDF and cross-platform use.
Readme
# CDR (Common Data Representation) Component [](https://components.espressif.com/components/espp/cdr) The `cdr` component provides a small, standalone Common Data Representation (CDR) reader/writer utility aimed at standards-oriented protocols such as DDS/RTPS. This initial slice is intentionally focused on the most immediately useful pieces for building interoperable payloads: - encapsulation identifiers for `CDR_BE`, `CDR_LE`, `PL_CDR_BE`, and `PL_CDR_LE` - endian-aware primitive read/write helpers - CDR alignment and padding handling - string serialization helpers using the standard CDR length-prefix + null terminator format - headerless/body helpers for CDR fields embedded inside larger protocol elements - fixed-array helpers and zero-copy payload/span views - sequence helpers for homogeneous primitive collections - standalone usage without depending on RTPS or DDS layers Current scope: - good fit for building RTPS payloads and parameter lists incrementally - designed to stay reusable outside DDS/RTPS - **not** yet a full DDS XTypes / XCDR2 implementation ## Example The [example](./example) demonstrates a small round-trip using: - a little-endian CDR encapsulation header - primitive values - a CDR string - a `uint16_t` sequence
Links
- Homepage
- Documentation
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Repository
2082ff92f3117e6dd4360cb50d85cc6a6f6413f9
- MIT
Supports all targets
Maintainer
- William Emfinger <waemfinger@gmail.com>
To add this component to your project, run:
download archive
idf.py add-dependency "espp/cdr^1.1.2"
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