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TinyUSB RW612 Instructions

These instructions apply within app_libs/tinyusb-rw612/.

Project Overview

This is a TinyUSB fork customized for the NXP FRDM-RW612 board.
MCU: RW612 (Cortex-M33)
USB controller: ChipIdea High-Speed
Networking focus: lwIP integration with NCM rather than RNDIS for Windows compatibility

RW612-Specific Notes

RW612 BSP support lives in hw/bsp/rw612/.
The build expects the parent repo layout to provide drivers/, device/, CMSIS/, and startup/.
Prefer RW612-focused examples such as net_lwip_webserver, cdc_msc, and cdc_msc_freertos.

Build

Preferred: CMake + Ninja

cd examples/device/cdc_msc
mkdir -p build && cd build
cmake -G Ninja -DBOARD=frdm_rw612 ..
ninja

Make Alternative

cd examples/device/cdc_msc
make BOARD=frdm_rw612 all

Useful Options

Debug: -DCMAKE_BUILD_TYPE=Debug or DEBUG=1
Logging: -DLOG=2 or LOG=2
RTT logging: -DLOGGER=rtt or LOGGER=rtt
Root hub selection: -DRHPORT_DEVICE=1 or RHPORT_DEVICE=1

Dependencies and Validation

Fetch dependencies with python tools/get_deps.py rw612.
Run unit tests with cd test/unit-test && ceedling test:all.
Run pre-commit run --all-files before finishing non-trivial changes when the environment supports it.
Build at least one relevant RW612 example after stack changes.

Code Style

C99, 2-space indentation, no tabs.
No dynamic allocation.
Defer ISR-originated work to non-ISR task context.
Use snake_case for functions/variables and UPPER_CASE for macros/constants.
Follow existing include ordering and style in touched files.

Release Notes

If touching release automation, versioning, or generated docs, keep changes scoped and leave final release/commit steps for the maintainer unless explicitly asked.