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project setup with sample code

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Naxdy 2024-03-03 16:31:37 +01:00
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use flake

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/target
/result
/.direnv

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checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
dependencies = [
"proc-macro2",
"quote",
"unicode-ident",
]
[[package]]
name = "syn"
version = "2.0.52"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b699d15b36d1f02c3e7c69f8ffef53de37aefae075d8488d4ba1a7788d574a07"
dependencies = [
"proc-macro2",
"quote",
"unicode-ident",
]
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name = "tap"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "thiserror"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e45bcbe8ed29775f228095caf2cd67af7a4ccf756ebff23a306bf3e8b47b24b"
dependencies = [
"thiserror-impl",
]
[[package]]
name = "thiserror-impl"
version = "1.0.57"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a953cb265bef375dae3de6663da4d3804eee9682ea80d8e2542529b73c531c81"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.52",
]
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name = "unicode-ident"
version = "1.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
[[package]]
name = "usb-device"
version = "0.2.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1f6cc3adc849b5292b4075fc0d5fdcf2f24866e88e336dd27a8943090a520508"
[[package]]
name = "usb-device"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e73e438f527e567fb3982f2370967821fab4f5aea84c42e218a211dd2002b6a2"
dependencies = [
"heapless 0.7.17",
"num_enum 0.6.1",
"portable-atomic",
]
[[package]]
name = "usbd-human-interface-device"
version = "0.4.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d69710303c06f23a1259d086bfb241212ae1ccfb5d582ebd596bb042d662ed73"
dependencies = [
"frunk",
"fugit",
"heapless 0.8.0",
"num_enum 0.7.2",
"option-block",
"packed_struct",
"usb-device 0.2.9",
]
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name = "vcell"
version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "version_check"
version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "wyz"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"tap",
]

71
Cargo.toml Normal file
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[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

39
Embed.toml Normal file
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@ -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"

21
build.rs Normal file
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@ -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");
}

151
flake.lock Normal file
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@ -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
}

92
flake.nix Normal file
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@ -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;
};
}));
}

15
memory.x Normal file
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@ -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;

87
src/main.rs Normal file
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@ -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);
}
}