diff --git a/flake.nix b/flake.nix index addb95a..e98c08b 100644 --- a/flake.nix +++ b/flake.nix @@ -19,16 +19,17 @@ pkgs = import nixpkgs { system = "x86_64-linux"; }; pkgs-unstable = import unstable { system = "x86_64-linux"; }; cargo2nix = pkgs-cargo2nix.packages."x86_64-linux"; - armPkgs = import nixpkgs { - system = "x86_64-linux"; - crossSystem = pkgs.lib.systems.examples.raspberryPi; - }; + # armPkgs = import nixpkgs { + # system = "x86_64-linux"; + # crossSystem = pkgs.lib.systems.examples.raspberryPi; + # }; in pkgs.mkShell { name = "ld-tools-devshell"; buildInputs = [ - pkgs.libadwaita + pkgs.cargo-nextest pkgs.clang + pkgs.crate2nix pkgs.entr pkgs.glade pkgs.glib @@ -38,16 +39,16 @@ pkgs.gst_all_1.gst-plugins-ugly pkgs.gst_all_1.gstreamer pkgs.gtk4 + pkgs.libadwaita pkgs.nodejs pkgs.openssl pkgs.pipewire pkgs.pkg-config - pkgs.sqlite pkgs.rustup - pkgs.cargo-nextest - pkgs.crate2nix - pkgs.wasm-pack + pkgs.sqlite pkgs.sqlx-cli + pkgs.udev + pkgs.wasm-pack typeshare.packages."x86_64-linux".default ]; LIBCLANG_PATH="${pkgs.llvmPackages.libclang.lib}/lib"; diff --git a/pico-blink/.cargo/config b/pico-blink/.cargo/config new file mode 100644 index 0000000..ef4d7f1 --- /dev/null +++ b/pico-blink/.cargo/config @@ -0,0 +1,12 @@ +[build] +target = "thumbv6m-none-eabi" + +[target.thumbv6m-none-eabi] +rustflags = [ + "-C", "link-arg=--nmagic", + "-C", "link-arg=-Tlink.x", + "-C", "inline-threshold=5", + "-C", "no-vectorize-loops", +] + +runner = "elf2uf2-rs -d" diff --git a/pico-blink/Cargo.lock b/pico-blink/Cargo.lock new file mode 100644 index 0000000..c6ad1dd --- /dev/null +++ b/pico-blink/Cargo.lock @@ -0,0 +1,413 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 3 + +[[package]] +name = "arrayvec" +version = "0.7.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711" + +[[package]] +name = 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See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +cortex-m = "0.7.7" +cortex-m-rt = "0.7.3" +embedded-hal = "0.2.7" +panic-halt = "0.2.0" +rp-pico = "0.8.0" diff --git a/pico-blink/memory.x b/pico-blink/memory.x new file mode 100644 index 0000000..e6b80c4 --- /dev/null +++ b/pico-blink/memory.x @@ -0,0 +1,36 @@ +MEMORY { + BOOT2 : ORIGIN = 0x10000000, LENGTH = 0x100 + FLASH : ORIGIN = 0x10000100, LENGTH = 2048K - 0x100 + /* + * RAM consists of 4 banks, SRAM0-SRAM3, with a striped mapping. + * This is usually good for performance, as it distributes load on + * those banks evenly. + */ + RAM : ORIGIN = 0x20000000, LENGTH = 256K + /* + * RAM banks 4 and 5 use a direct mapping. They can be used to have + * memory areas dedicated for some specific job, improving predictability + * of access times. + * Example: Separate stacks for core0 and core1. + */ + SRAM4 : ORIGIN = 0x20040000, LENGTH = 4k + SRAM5 : ORIGIN = 0x20041000, LENGTH = 4k + + /* SRAM banks 0-3 can also be accessed directly. However, those ranges + alias with the RAM mapping, above. So don't use them at the same time! + SRAM0 : ORIGIN = 0x21000000, LENGTH = 64k + SRAM1 : ORIGIN = 0x21010000, LENGTH = 64k + SRAM2 : ORIGIN = 0x21020000, LENGTH = 64k + SRAM3 : ORIGIN = 0x21030000, LENGTH = 64k + */ +} + +EXTERN(BOOT2_FIRMWARE) + +SECTIONS { + /* ### Boot loader */ + .boot2 ORIGIN(BOOT2) : + { + KEEP(*(.boot2)); + } > BOOT2 +} INSERT BEFORE .text; diff --git a/pico-blink/src/main.rs b/pico-blink/src/main.rs new file mode 100644 index 0000000..6ca2229 --- /dev/null +++ b/pico-blink/src/main.rs @@ -0,0 +1,47 @@ +#![no_main] +#![no_std] + +use rp_pico::entry; +use panic_halt as _; +use embedded_hal::digital::v2::OutputPin; +use rp_pico::{hal, hal::{clocks, pac, watchdog::Watchdog, clocks::{Clock, init_clocks_and_plls}}}; + +#[entry] +fn main() -> ! { + let mut pac = pac::Peripherals::take().unwrap(); + let core = pac::CorePeripherals::take().unwrap(); + let sio = hal::Sio::new(pac.SIO); + let mut watchdog = Watchdog::new(pac.WATCHDOG); + + let pins = rp_pico::Pins::new( + pac.IO_BANK0, + pac.PADS_BANK0, + sio.gpio_bank0, + &mut pac.RESETS, + ); + + 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 mut led_pin = pins.led.into_push_pull_output(); + let mut blue_pin = pins.gpio3.into_push_pull_output(); + led_pin.set_high().unwrap(); + loop { + led_pin.set_high().unwrap(); + blue_pin.set_low().unwrap(); + delay.delay_ms(500); + led_pin.set_low().unwrap(); + blue_pin.set_high().unwrap(); + delay.delay_ms(500); + } +} diff --git a/rust-toolchain b/rust-toolchain index 18fbce2..fe75ed3 100644 --- a/rust-toolchain +++ b/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "1.71.1" -targets = [ "wasm32-unknown-unknown" ] +channel = "1.73.0" +targets = [ "wasm32-unknown-unknown", "thumbv6-none-eabi" ]