Comms#

Remote procedure calls (RPC), channels, and communication streams

Modules#

The following table lists all modules related to Comms.

Name	Status	Description	Languages
pw_rpc2	experimental	Next gen, zero-copy async RPC with end-to-end backpressure	C++
pw_transport	experimental	Asynchronous datagram-oriented transport interface	C++
pw_channel	deprecated	Async, zero-copy API for sending and receiving bytes or datagrams	C++
pw_grpc	unstable	pw_rpc over gRPC	C++
pw_hdlc	stable	Simple, robust, and efficient serial communication	Python, C++, TypeScript
pw_router	experimental	Transport-agnostic packet routing	C++
pw_rpc	stable	Efficient, low-code-size RPC system for embedded devices	C++, Java, JavaScript, Python, TypeScript
pw_rpc_transport	unstable
pw_stream	stable	A foundational interface for streaming data	C++, Rust
pw_transfer	stable

Dual-mode Bluetooth Host stack, HCI controllers, and profiles

Learn more: Bluetooth

Name	Status	Description	Languages
pw_bluetooth	unstable	Host-layer Bluetooth Low Energy APIs and utilities	C++
pw_bluetooth_hci	stable	Bluetooth Host Controller Interface utilities	C++
pw_bluetooth_profiles	unstable	Bluetooth profiles built on top of pw_bluetooth	C++
pw_bluetooth_proxy	unstable	Lightweight proxy for augmenting Bluetooth functionality	C++
pw_bluetooth_sapphire	unstable	Battle-tested Bluetooth with rock-solid reliability	C++