roll: pigweed pw_kernel: Simplify pmp structure 1. Make the `cfg` member into an array of `PmpCfgVal` of length `NUM_ENTRIES`. This will allow for simpler construction of PMP entries as we won't need to perform shifts and masking to update `cfg` entries. 2. Update the `PmpConfig::dump` implementation to dump the PMP in a prettier form. 3. Make the RISC-V arch `regs` module public so target/board implementations can use it. Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/306912 Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> Original-Revision: ac8c8d8096f8e34ed81b2912a16ec5a619752d54 Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed Rolled-Commits: e34e218deed6ff..ac8c8d8096f8e3 Roll-Count: 1 Roller-URL: https://cr-buildbucket.appspot.com/build/8706522134044459025 GitWatcher: ignore CQ-Do-Not-Cancel-Tryjobs: true Change-Id: I9b3df4e7768e101f2b63d157d670547c3d4ee7e9 Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/313255 Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com> Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com> Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
This repository contains a minimal example of a Bazel-based Pigweed project. It is a LED-blinking service (featuring RPC control!) for the Raspberry Pi Pico. It can also be run on any computer using the included simulator.
git clone https://pigweed.googlesource.com/pigweed/quickstart/bazel pw_bazel_quickstart cd pw_bazel_quickstart
The only dependency that must be installed is Bazelisk.
Bazelisk is a launcher for the Bazel build system that allows for easy management of multiple Bazel versions.
Instructions for installing Bazelisk can be found here.
To run the simulator, type: bazelisk run //apps/blinky:simulator_blinky Then, in a new console, connect to the simulator using: bazelisk run //apps/blinky:simulator_console
To start, connect a Raspberry Pi Pico, Pico 2, or debug probe via USB.
To run on the Raspberry Pi Pico, type: bazelisk run //apps/blinky:flash_rp2040 Then, in a new console, connect to the device using: bazelisk run //apps/blinky:rp2040_console
Once connected with a console, RPCs can be sent to control the LED. Try running:
device.set_led(True) device.set_led(False) device.toggle_led() device.blink(blink_count=3)
bazelisk test //... will run the unit tests defined in this project, such as the ones in modules/blinky/blinky_test.cc.
bazelisk run @pigweed//targets/rp2040/py:unit_test_server in one console followed by bazelisk test //... --config=rp2040 will also allow running the unit tests on-device.
Try poking around the codebase for inspiration about how Pigweed projects can be organized. Most of the relevant code in this quickstart (including RPC definitions) is inside modules/blinky, with some client-side Python code in tools/console.py.