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"05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed" +dependencies = [ + "tap", +] diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..830ee52 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,71 @@ +[package] +name = "naxgcc-fw" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +rp2040-hal = { version = "0.9.2", features = ["rt", "critical-section-impl"] } +usbd-human-interface-device = "0.4.5" +usb-device = "0.3.1" +cortex-m = "0.7.7" +cortex-m-rt = "0.7.3" +embedded-hal = { version = "0.2.7", features = ["unproven"] } +panic-probe = "0.3.1" +panic-halt = "0.2.0" +defmt = "0.3.6" +defmt-rtt = "0.4.0" +rp2040-boot2 = "0.3.0" + +# 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/Embed.toml b/Embed.toml new file mode 100644 index 0000000..9c91b13 --- /dev/null +++ b/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/build.rs b/build.rs new file mode 100644 index 0000000..555cdf6 --- /dev/null +++ b/build.rs @@ -0,0 +1,21 @@ +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/flake.lock b/flake.lock new file mode 100644 index 0000000..131a342 --- /dev/null +++ b/flake.lock @@ -0,0 +1,151 @@ +{ + "nodes": { + "flake-utils": { + "inputs": { + "systems": "systems" + }, + "locked": { + "lastModified": 1709126324, + "narHash": "sha256-q6EQdSeUZOG26WelxqkmR7kArjgWCdw5sfJVHPH/7j8=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "d465f4819400de7c8d874d50b982301f28a84605", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + }, + "flake-utils_2": { + "inputs": { + "systems": "systems_2" + }, + "locked": { + "lastModified": 1705309234, + "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + }, + "naersk": { + "inputs": { + "nixpkgs": [ + "nixpkgs" + ] + }, + "locked": { + "lastModified": 1698420672, + "narHash": "sha256-/TdeHMPRjjdJub7p7+w55vyABrsJlt5QkznPYy55vKA=", + "owner": "nmattia", + "repo": "naersk", + "rev": "aeb58d5e8faead8980a807c840232697982d47b9", + "type": "github" + }, + "original": { + "owner": "nmattia", + "repo": "naersk", + "type": "github" + } + }, + "nixpkgs": { + "locked": { + "lastModified": 1709309926, + "narHash": "sha256-VZFBtXGVD9LWTecGi6eXrE0hJ/mVB3zGUlHImUs2Qak=", + "owner": "nixos", + "repo": "nixpkgs", + "rev": "79baff8812a0d68e24a836df0a364c678089e2c7", + "type": "github" + }, + "original": { + "owner": "nixos", + "ref": "nixos-23.11", + "repo": "nixpkgs", + "type": "github" + } + }, + "nixpkgs_2": { + "locked": { + "lastModified": 1706487304, + "narHash": "sha256-LE8lVX28MV2jWJsidW13D2qrHU/RUUONendL2Q/WlJg=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "90f456026d284c22b3e3497be980b2e47d0b28ac", + "type": "github" + }, + "original": { + "owner": "NixOS", + "ref": "nixpkgs-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "flake-utils": "flake-utils", + "naersk": "naersk", + "nixpkgs": "nixpkgs", + "rust-overlay": "rust-overlay" + } + }, + "rust-overlay": { + "inputs": { + "flake-utils": "flake-utils_2", + "nixpkgs": "nixpkgs_2" + }, + "locked": { + "lastModified": 1709431943, + "narHash": "sha256-CqTcEJGITB3rfSuAcWC1QZnbVnIipXmIDbZHfxsAy80=", + "owner": "oxalica", + "repo": "rust-overlay", + "rev": "362184acf4a991f27fc222864e94a2e81b3c3c9f", + "type": "github" + }, + "original": { + "owner": "oxalica", + "repo": "rust-overlay", + "type": "github" + } + }, + "systems": { + "locked": { + "lastModified": 1681028828, + "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=", + "owner": "nix-systems", + "repo": "default", + "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e", + "type": "github" + }, + "original": { + "owner": "nix-systems", + "repo": "default", + "type": "github" + } + }, + "systems_2": { + "locked": { + "lastModified": 1681028828, + "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=", + "owner": "nix-systems", + "repo": "default", + "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e", + "type": "github" + }, + "original": { + "owner": "nix-systems", + "repo": "default", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..8035bd7 --- /dev/null +++ b/flake.nix @@ -0,0 +1,92 @@ +{ + description = "Firmware for the NaxGCC"; + + inputs = { + nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-23.11"; + + rust-overlay.url = "github:oxalica/rust-overlay"; + + flake-utils.url = "github:numtide/flake-utils"; + + naersk = { + url = "github:nmattia/naersk"; + inputs.nixpkgs.follows = "nixpkgs"; + }; + }; + + outputs = + { self + , nixpkgs + , rust-overlay + , flake-utils + , naersk + }: (flake-utils.lib.eachDefaultSystem (system: + let + pkgs = import nixpkgs { + inherit system; + overlays = [ + rust-overlay.overlays.default + ]; + config.allowUnsupportedSystem = true; + }; + + rustToolchain = pkgs.rust-bin.nightly.latest.default.override { + extensions = [ + "rust-src" + ]; + targets = [ + "thumbv6m-none-eabi" + ]; + }; + + naersk_lib = naersk.lib.${system}.override { + cargo = rustToolchain; + rustc = rustToolchain; + }; + + CARGO_BUILD_TARGET = "thumbv6m-none-eabi"; + + RUSTFLAGS = [ + "-Clinker=flip-link" + "-Clink-arg=--nmagic" + "-Clink-arg=-Tlink.x" + "-Clink-arg=-Tdefmt.x" + "-Cinline-threshold=5" + "-Cno-vectorize-loops" + ]; + in + { + packages.default = self.packages.${system}.naxgcc-fw-uf2; + + packages.naxgcc-fw-uf2 = pkgs.runCommandLocal "${self.packages.${system}.naxgcc-fw.pname}-uf2-${self.packages.${system}.naxgcc-fw.version}" { } '' + mkdir -p $out/bin + ${pkgs.elf2uf2-rs}/bin/elf2uf2-rs ${self.packages.${system}.naxgcc-fw}/bin/${self.packages.${system}.naxgcc-fw.pname} $out/bin/${self.packages.${system}.naxgcc-fw.pname}.uf2 + ''; + + packages.naxgcc-fw = naersk_lib.buildPackage { + pname = (builtins.fromTOML (builtins.readFile ./Cargo.toml)).package.name; + version = (builtins.fromTOML (builtins.readFile ./Cargo.toml)).package.version; + + nativeBuildInputs = [ + pkgs.flip-link + ]; + + src = self; + + cargoBuildOptions = _orig: _orig ++ [ + "--target=${CARGO_BUILD_TARGET}" + ]; + + inherit RUSTFLAGS; + }; + + devShells.default = pkgs.mkShell { + nativeBuildInputs = builtins.attrValues { + inherit rustToolchain; + inherit (pkgs) gcc-arm-embedded flip-link elf2uf2-rs; + }; + + inherit RUSTFLAGS CARGO_BUILD_TARGET; + }; + })); +} diff --git a/memory.x b/memory.x new file mode 100644 index 0000000..070eac7 --- /dev/null +++ b/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/src/main.rs b/src/main.rs new file mode 100644 index 0000000..97fd762 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,87 @@ +//! # GPIO 'Blinky' Example +//! +//! This application demonstrates how to control a GPIO pin on the RP2040. +//! +//! It may need to be adapted to your particular board layout and/or pin assignment. +//! +//! See the `Cargo.toml` file for Copyright and license details. + +#![no_std] +#![no_main] + +// Ensure we halt the program on panic (if we don't mention this crate it won't +// be linked) +use panic_halt as _; + +// Alias for our HAL crate +use rp2040_hal as hal; + +// A shorter alias for the Peripheral Access Crate, which provides low-level +// register access +use hal::pac; + +// Some traits we need +use embedded_hal::{blocking::delay::DelayMs, digital::v2::OutputPin}; + +/// The linker will place this boot block at the start of our program image. We +/// need this to help the ROM bootloader get our code up and running. +/// Note: This boot block is not necessary when using a rp-hal based BSP +/// as the BSPs already perform this step. +#[link_section = ".boot2"] +#[used] +pub static BOOT2: [u8; 256] = rp2040_boot2::BOOT_LOADER_GENERIC_03H; + +/// External high-speed crystal on the Raspberry Pi Pico board is 12 MHz. Adjust +/// if your board has a different frequency +const XTAL_FREQ_HZ: u32 = 12_000_000u32; + +/// Entry point to our bare-metal application. +/// +/// The `#[rp2040_hal::entry]` macro ensures the Cortex-M start-up code calls this function +/// as soon as all global variables and the spinlock are initialised. +/// +/// The function configures the RP2040 peripherals, then toggles a GPIO pin in +/// an infinite loop. If there is an LED connected to that pin, it will blink. +#[rp2040_hal::entry] +fn main() -> ! { + // Grab our singleton objects + let mut pac = pac::Peripherals::take().unwrap(); + + // Set up the watchdog driver - needed by the clock setup code + let mut watchdog = hal::Watchdog::new(pac.WATCHDOG); + + // Configure the clocks + let clocks = hal::clocks::init_clocks_and_plls( + XTAL_FREQ_HZ, + pac.XOSC, + pac.CLOCKS, + pac.PLL_SYS, + pac.PLL_USB, + &mut pac.RESETS, + &mut watchdog, + ) + .ok() + .unwrap(); + + let mut timer = rp2040_hal::Timer::new(pac.TIMER, &mut pac.RESETS, &clocks); + + // The single-cycle I/O block controls our GPIO pins + let sio = hal::Sio::new(pac.SIO); + + // Set the pins to their default state + let pins = hal::gpio::Pins::new( + pac.IO_BANK0, + pac.PADS_BANK0, + sio.gpio_bank0, + &mut pac.RESETS, + ); + + // Configure GPIO25 as an output + let mut led_pin = pins.gpio25.into_push_pull_output(); + loop { + led_pin.set_high().unwrap(); + timer.delay_ms(500); + led_pin.set_low().unwrap(); + timer.delay_ms(500); + } +}