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Swift support component for ESP-IDF (Embedded Swift on RISC-V)
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# Swift Support Component for ESP-IDF
[](https://components.espressif.com/components/espressif/idf_swift)
This component provides [Embedded Swift](https://www.swift.org/documentation/embedded-swift/) language support for ESP-IDF projects targeting RISC-V based ESP chips.
## Features
- Configures the Swift compiler for cross-compilation to RISC-V ESP targets
- Provides `idf_component_register_swift()` CMake function for easy integration of Swift source files into ESP-IDF components
- Handles bridging header configuration for C/Swift interoperability
- Automatically extracts and applies RISC-V architecture flags from the ESP-IDF toolchain
## Supported Targets
Embedded Swift is supported on **RISC-V** based ESP chips only (e.g. ESP32-C3, ESP32-C6, ESP32-H2). Xtensa are **not** supported.
## Usage
Add this component as a dependency in your project, then use the `idf_component_register_swift()` function in your component's `CMakeLists.txt`:
```cmake
# Register the IDF component first.
# Use SRCS /dev/null (NUL for Windows) for no C/C++ sources, or list C/C++ source files.
idf_component_register(
SRCS /dev/null
PRIV_INCLUDE_DIRS "."
PRIV_REQUIRES swift
)
idf_component_register_swift(${COMPONENT_LIB}
BRIDGING_HEADER "BridgingHeader.h"
SRCS "Main.swift"
)
```
### Parameters
- **BRIDGING_HEADER** — Path to the C bridging header file that exposes C APIs to Swift code. Required.
- **SRCS** — List of Swift source files to compile. Required.
## Examples
- https://github.com/swiftlang/swift-embedded-examples/tree/main
Links
- Homepage
-
Repository
d944a7534ac713ae7cbda3efecf2c9849103f576
- Issues
Supports all targets
License: Apache-2.0
To add this component to your project, run:
download archive
idf.py add-dependency "espressif/idf_swift^1.0.1"
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