From dfe30020242d364fc22d3c9e560ea6924739f0da Mon Sep 17 00:00:00 2001 From: Damian J Pound Date: Tue, 3 Dec 2024 11:31:10 -0600 Subject: [PATCH] Add example --- Cargo.toml | 4 + examples/color_cycler/.cargo/config.toml | 26 +++ .../.github/workflows/ci_checks.yml | 59 +++++ examples/color_cycler/.gitignore | 14 ++ examples/color_cycler/.vscode/launch.json | 38 ++++ examples/color_cycler/.vscode/settings.json | 5 + examples/color_cycler/APACHE2.0 | 201 ++++++++++++++++++ examples/color_cycler/Cargo.toml | 79 +++++++ examples/color_cycler/Embed.toml | 39 ++++ examples/color_cycler/MIT | 21 ++ examples/color_cycler/build.rs | 31 +++ examples/color_cycler/memory.x | 15 ++ examples/color_cycler/src/main.rs | 79 +++++++ 13 files changed, 611 insertions(+) create mode 100644 examples/color_cycler/.cargo/config.toml create mode 100644 examples/color_cycler/.github/workflows/ci_checks.yml create mode 100644 examples/color_cycler/.gitignore create mode 100644 examples/color_cycler/.vscode/launch.json create mode 100644 examples/color_cycler/.vscode/settings.json create mode 100644 examples/color_cycler/APACHE2.0 create mode 100644 examples/color_cycler/Cargo.toml create mode 100644 examples/color_cycler/Embed.toml create mode 100644 examples/color_cycler/MIT create mode 100644 examples/color_cycler/build.rs create mode 100644 examples/color_cycler/memory.x create mode 100644 examples/color_cycler/src/main.rs diff --git a/Cargo.toml b/Cargo.toml index 1915fb5..ac7735f 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -1,3 +1,7 @@ +[workspace] +members = ["examples/*"] + + [package] name = "ws2812-pio" version = "0.8.0" diff --git a/examples/color_cycler/.cargo/config.toml b/examples/color_cycler/.cargo/config.toml new file mode 100644 index 0000000..b8c77db --- /dev/null +++ b/examples/color_cycler/.cargo/config.toml @@ -0,0 +1,26 @@ +[target.'cfg(all(target_arch = "arm", target_os = "none"))'] +# Choose a default "cargo run" tool (see README for more info) +# - `probe-rs` provides flashing and defmt via a hardware debugger, and stack unwind on panic +# - elf2uf2-rs loads firmware over USB when the rp2040 is in boot mode +# runner = "probe-rs run --chip RP2040 --protocol swd" +# runner = "elf2uf2-rs -d" +runner = "probe-rs run --chip RP2040 --protocol swd" +rustflags = [ + "-C", "linker=flip-link", + "-C", "link-arg=--nmagic", + "-C", "link-arg=-Tlink.x", + "-C", "link-arg=-Tdefmt.x", + + # Code-size optimizations. + # trap unreachable can save a lot of space, but requires nightly compiler. + # uncomment the next line if you wish to enable it + # "-Z", "trap-unreachable=no", + # "-C", "inline-threshold=5", + "-C", "no-vectorize-loops", +] + +[build] +target = "thumbv6m-none-eabi" + +[env] +DEFMT_LOG = "debug" diff --git a/examples/color_cycler/.github/workflows/ci_checks.yml b/examples/color_cycler/.github/workflows/ci_checks.yml new file mode 100644 index 0000000..674cb64 --- /dev/null +++ b/examples/color_cycler/.github/workflows/ci_checks.yml @@ -0,0 +1,59 @@ +name: CI Checks + +on: [push, pull_request] + +env: + CARGO_TERM_COLOR: always + +jobs: + building: + name: Building + continue-on-error: ${{ matrix.experimental || false }} + strategy: + matrix: + # All generated code should be running on stable now + rust: [nightly, stable] + include: + # Nightly is only for reference and allowed to fail + - rust: nightly + experimental: true + os: + # Check compilation works on common OSes + # (i.e. no path issues) + - ubuntu-latest + - macOS-latest + - windows-latest + runs-on: ${{ matrix.os }} + steps: + - uses: actions/checkout@v3 + - uses: dtolnay/rust-toolchain@master + with: + toolchain: ${{ matrix.rust }} + target: thumbv6m-none-eabi + - run: cargo install flip-link + - run: cargo build --all + - run: cargo build --all --release + linting: + name: Linting + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v3 + with: + submodules: true + - uses: dtolnay/rust-toolchain@stable + with: + components: clippy + target: thumbv6m-none-eabi + - run: cargo clippy --all-features -- --deny=warnings + formatting: + name: Formatting + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v3 + with: + submodules: true + - uses: dtolnay/rust-toolchain@stable + with: + components: rustfmt + target: thumbv6m-none-eabi + - run: cargo fmt -- --check diff --git a/examples/color_cycler/.gitignore b/examples/color_cycler/.gitignore new file mode 100644 index 0000000..3a0e903 --- /dev/null +++ b/examples/color_cycler/.gitignore @@ -0,0 +1,14 @@ +**/*.rs.bk +.#* +.gdb_history +Cargo.lock +target/ + +# editor files +.vscode/* +!.vscode/*.md +!.vscode/*.svd +!.vscode/launch.json +!.vscode/tasks.json +!.vscode/extensions.json +!.vscode/settings.json \ No newline at end of file diff --git a/examples/color_cycler/.vscode/launch.json b/examples/color_cycler/.vscode/launch.json new file mode 100644 index 0000000..348d0d4 --- /dev/null +++ b/examples/color_cycler/.vscode/launch.json @@ -0,0 +1,38 @@ +// The format of this file is specified in https://probe.rs/docs/tools/debugger/#start-a-debug-session-with-minimum-configuration +{ + "version": "0.2.0", + "configurations": [ + { + "preLaunchTask": "rust: cargo build", + "type": "probe-rs-debug", + "request": "launch", + "name": "rp2040-project", + "cwd": "${workspaceFolder}", + "chip": "rp2040", + // RP2040 doesn't support connectUnderReset + "connectUnderReset": false, + "speed": 4000, + "runtimeExecutable": "probe-rs", + "runtimeArgs": [ + "dap-server" + ], + "flashingConfig": { + "flashingEnabled": true, + "haltAfterReset": false + }, + "coreConfigs": [ + { + "coreIndex": 0, + "programBinary": "target/thumbv6m-none-eabi/debug/sine-wave", + "rttEnabled": true + // Uncomment this if you've downloaded the SVD from + // https://github.com/raspberrypi/pico-sdk/raw/1.3.1/src/rp2040/hardware_regs/rp2040.svd + // and placed it in the .vscode directory + // "svdFile": "./.vscode/rp2040.svd", + } + ], + "consoleLogLevel": "Info", //Error, Warn, Info, Debug, Trace + "wireProtocol": "Swd" + } + ] +} \ No newline at end of file diff --git a/examples/color_cycler/.vscode/settings.json b/examples/color_cycler/.vscode/settings.json new file mode 100644 index 0000000..96acc36 --- /dev/null +++ b/examples/color_cycler/.vscode/settings.json @@ -0,0 +1,5 @@ +{ + "rust-analyzer.cargo.target": "thumbv6m-none-eabi", + "rust-analyzer.check.allTargets": false, + "editor.formatOnSave": true +} diff --git a/examples/color_cycler/APACHE2.0 b/examples/color_cycler/APACHE2.0 new file mode 100644 index 0000000..a1fc205 --- /dev/null +++ b/examples/color_cycler/APACHE2.0 @@ -0,0 +1,201 @@ +Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright 2021 rp-rs organization + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/examples/color_cycler/Cargo.toml b/examples/color_cycler/Cargo.toml new file mode 100644 index 0000000..3e7bd6a --- /dev/null +++ b/examples/color_cycler/Cargo.toml @@ -0,0 +1,79 @@ +[package] +edition = "2021" +name = "color_cycler" +version = "0.1.0" +license = "MIT OR Apache-2.0" + +[dependencies] +cortex-m = "0.7" +cortex-m-rt = "0.7" +embedded-hal = { version = "1.0.0" } + +defmt = "0.3" +defmt-rtt = "0.4" +panic-probe = { version = "0.3", features = ["print-defmt"] } + +# We're using a Pico by default on this template +rp-pico = "0.8.0" + +ws2812-pio = { path = "../.." } +smart-leds-trait = "0.3" + +# but you can use any BSP. Uncomment this to use the pro_micro_rp2040 BSP instead +# sparkfun-pro-micro-rp2040 = "0.8" + +# If you're not going to use a Board Support Package you'll need these: +# rp2040-hal = { version="0.10", features=["rt", "critical-section-impl"] } +# rp2040-boot2 = "0.3" + +# cargo build/run +[profile.dev] +codegen-units = 1 +debug = 2 +debug-assertions = true +incremental = false +opt-level = 3 +overflow-checks = true + +# cargo build/run --release +[profile.release] +codegen-units = 1 +debug = 2 +debug-assertions = false +incremental = false +lto = 'fat' +opt-level = 3 +overflow-checks = false + +# do not optimize proc-macro crates = faster builds from scratch +[profile.dev.build-override] +codegen-units = 8 +debug = false +debug-assertions = false +opt-level = 0 +overflow-checks = false + +[profile.release.build-override] +codegen-units = 8 +debug = false +debug-assertions = false +opt-level = 0 +overflow-checks = false + +# cargo test +[profile.test] +codegen-units = 1 +debug = 2 +debug-assertions = true +incremental = false +opt-level = 3 +overflow-checks = true + +# cargo test --release +[profile.bench] +codegen-units = 1 +debug = 2 +debug-assertions = false +incremental = false +lto = 'fat' +opt-level = 3 diff --git a/examples/color_cycler/Embed.toml b/examples/color_cycler/Embed.toml new file mode 100644 index 0000000..9c91b13 --- /dev/null +++ b/examples/color_cycler/Embed.toml @@ -0,0 +1,39 @@ +[default.probe] +protocol = "Swd" +speed = 20000 +# If you only have one probe cargo embed will pick automatically +# Otherwise: add your probe's VID/PID/serial to filter + +## rust-dap +# usb_vid = "6666" +# usb_pid = "4444" +# serial = "test" + + +[default.flashing] +enabled = true + +[default.reset] +enabled = true +halt_afterwards = false + +[default.general] +chip = "RP2040" +log_level = "WARN" +# RP2040 does not support connect_under_reset +connect_under_reset = false + +[default.rtt] +enabled = true +up_mode = "NoBlockSkip" +channels = [ + { up = 0, down = 0, name = "name", up_mode = "NoBlockSkip", format = "Defmt" }, +] +timeout = 3000 +show_timestamps = true +log_enabled = false +log_path = "./logs" + +[default.gdb] +enabled = false +gdb_connection_string = "127.0.0.1:2345" diff --git a/examples/color_cycler/MIT b/examples/color_cycler/MIT new file mode 100644 index 0000000..92d4f52 --- /dev/null +++ b/examples/color_cycler/MIT @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2021 rp-rs organization + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/examples/color_cycler/build.rs b/examples/color_cycler/build.rs new file mode 100644 index 0000000..d534cc3 --- /dev/null +++ b/examples/color_cycler/build.rs @@ -0,0 +1,31 @@ +//! This build script copies the `memory.x` file from the crate root into +//! a directory where the linker can always find it at build time. +//! For many projects this is optional, as the linker always searches the +//! project root directory -- wherever `Cargo.toml` is. However, if you +//! are using a workspace or have a more complicated build setup, this +//! build script becomes required. Additionally, by requesting that +//! Cargo re-run the build script whenever `memory.x` is changed, +//! updating `memory.x` ensures a rebuild of the application with the +//! new memory settings. + +use std::env; +use std::fs::File; +use std::io::Write; +use std::path::PathBuf; + +fn main() { + // Put `memory.x` in our output directory and ensure it's + // on the linker search path. + let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap()); + File::create(out.join("memory.x")) + .unwrap() + .write_all(include_bytes!("memory.x")) + .unwrap(); + println!("cargo:rustc-link-search={}", out.display()); + + // By default, Cargo will re-run a build script whenever + // any file in the project changes. By specifying `memory.x` + // here, we ensure the build script is only re-run when + // `memory.x` is changed. + println!("cargo:rerun-if-changed=memory.x"); +} diff --git a/examples/color_cycler/memory.x b/examples/color_cycler/memory.x new file mode 100644 index 0000000..070eac7 --- /dev/null +++ b/examples/color_cycler/memory.x @@ -0,0 +1,15 @@ +MEMORY { + BOOT2 : ORIGIN = 0x10000000, LENGTH = 0x100 + FLASH : ORIGIN = 0x10000100, LENGTH = 2048K - 0x100 + RAM : ORIGIN = 0x20000000, LENGTH = 256K +} + +EXTERN(BOOT2_FIRMWARE) + +SECTIONS { + /* ### Boot loader */ + .boot2 ORIGIN(BOOT2) : + { + KEEP(*(.boot2)); + } > BOOT2 +} INSERT BEFORE .text; \ No newline at end of file diff --git a/examples/color_cycler/src/main.rs b/examples/color_cycler/src/main.rs new file mode 100644 index 0000000..69aaf5e --- /dev/null +++ b/examples/color_cycler/src/main.rs @@ -0,0 +1,79 @@ +#![no_std] +#![no_main] + +use bsp::entry; +use defmt::*; +use defmt_rtt as _; +use panic_probe as _; + +// Provide an alias for our BSP so we can switch targets quickly. +// Uncomment the BSP you included in Cargo.toml, the rest of the code does not need to change. +use rp_pico as bsp; +// use sparkfun_pro_micro_rp2040 as bsp; + +use bsp::hal::{ + clocks::{init_clocks_and_plls, Clock}, + pac, + pio::PIOExt, + sio::Sio, + watchdog::Watchdog, +}; + +use smart_leds_trait::SmartLedsWrite; + +#[entry] +fn main() -> ! { + info!("Program start"); + let mut pac = pac::Peripherals::take().unwrap(); + let core = pac::CorePeripherals::take().unwrap(); + let mut watchdog = Watchdog::new(pac.WATCHDOG); + let sio = Sio::new(pac.SIO); + + // External high-speed crystal on the pico board is 12Mhz + let external_xtal_freq_hz = 12_000_000u32; + let clocks = init_clocks_and_plls( + external_xtal_freq_hz, + pac.XOSC, + pac.CLOCKS, + pac.PLL_SYS, + pac.PLL_USB, + &mut pac.RESETS, + &mut watchdog, + ) + .ok() + .unwrap(); + + let mut delay = cortex_m::delay::Delay::new(core.SYST, clocks.system_clock.freq().to_Hz()); + + let pins = bsp::Pins::new( + pac.IO_BANK0, + pac.PADS_BANK0, + sio.gpio_bank0, + &mut pac.RESETS, + ); + + let (mut pio0, sm0, _, _, _) = pac.PIO0.split(&mut pac.RESETS); + let timer = bsp::hal::Timer::new(pac.TIMER, &mut pac.RESETS, &clocks); + + let mut leds = ws2812_pio::Ws2812::new( + pins.gpio15.into_function(), + &mut pio0, + sm0, + clocks.peripheral_clock.freq(), + timer.count_down(), + ); + + let mut t = 0.0; + loop { + // Cycle each component up and down, with each component/LED being 33% further in their period. + let pattern: [[u8; 3]; 3] = core::array::from_fn(|i| { + core::array::from_fn(|i2| { + let x = (t + (i + i2) as f32 / 3.0) % 1.0 * 2.; + (if x >= 1.0 { 2.0 - x } else { x } * 10.0) as u8 + }) + }); + leds.write(pattern.into_iter().cycle().take(50)).unwrap(); + delay.delay_ms(20); + t += 0.02 + } +}