commit 468d6318a4969a79670a60aa7a2233515dc83b3b
Author: Nikita Glazkov <glazkov.nikita201@yandex.ru>
Date:   Tue Dec 30 02:44:33 2025 +0300

    init repo

diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 0000000..47d8dbf
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,10 @@
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+#runner = "probe-rs run --chip RP235x"
+#runner = "elf2uf2-rs -d"
+runner = "picotool load -u -v -x -t elf"
+
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+
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+DEFMT_LOG = "debug"
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
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diff --git a/Cargo.lock b/Cargo.lock
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index 0000000..bab8f08
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+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0530892bb4fa575ee0da4b86f86c667132a94b74bb72160f58ee5a4afec74c23"
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+ "portable-atomic",
+]
+
+[[package]]
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+dependencies = [
+ "new_debug_unreachable",
+ "parking_lot",
+ "phf_shared",
+ "precomputed-hash",
+]
+
+[[package]]
+name = "strsim"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+checksum = "390cc9a294ab71bdb1aa2e99d13be9c753cd2d7bd6560c77118597410c4d2e87"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "term"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8c27177b12a6399ffc08b98f76f7c9a1f4fe9fc967c784c5a071fa8d93cf7e1"
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+ "windows-sys",
+]
+
+[[package]]
+name = "termcolor"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06794f8f6c5c898b3275aebefa6b8a1cb24cd2c6c79397ab15774837a0bc5755"
+dependencies = [
+ "winapi-util",
+]
+
+[[package]]
+name = "thiserror"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f63587ca0f12b72a0600bcba1d40081f830876000bb46dd2337a3051618f4fc8"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ff15c8ecd7de3849db632e14d18d2571fa09dfc5ed93479bc4485c7a517c913"
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+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
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+[[package]]
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+[[package]]
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+[[package]]
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+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77439c1b53d2303b20d9459b1ade71a83c716e3f9c34f3228c00e6f185d6c002"
+
+[[package]]
+name = "version_check"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
+[[package]]
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+checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
+
+[[package]]
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+checksum = "de437e2a6208b014ab52972a27e59b33fa2920d3e00fe05026167a1c509d19cc"
+dependencies = [
+ "vcell",
+]
+
+[[package]]
+name = "walkdir"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
+dependencies = [
+ "same-file",
+ "winapi-util",
+]
+
+[[package]]
+name = "winapi-util"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
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+ "windows-sys",
+]
+
+[[package]]
+name = "windows-link"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+[[package]]
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+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.8.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd74ec98b9250adb3ca554bdde269adf631549f51d8a8f8f0a10b50f1cb298c3"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8a8d209fdf45cf5138cbb5a506f6b52522a25afccc534d1475dad8e31105c6a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..827bd24
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,47 @@
+[package]
+edition = "2024"
+name = "my-led-tree"
+version = "0.1.0"
+publish = false
+
+[dependencies]
+embassy-embedded-hal = { version = "0.5.0", features = ["defmt"] }
+embassy-sync = { version = "0.7.2", features = ["defmt"] }
+embassy-executor = { version = "0.9.0", features = [
+  "arch-cortex-m",
+  "executor-thread",
+  "executor-interrupt",
+  "defmt",
+] }
+embassy-time = { version = "0.5.0", features = [
+  "defmt",
+  "defmt-timestamp-uptime",
+] }
+embassy-rp = { version = "0.9.0", features = [
+  "defmt",
+  "unstable-pac",
+  "time-driver",
+  "critical-section-impl",
+  "rp235xa",
+  "binary-info",
+] }
+embassy-futures = { version = "0.1.2" }
+
+defmt = "1.0.1"
+defmt-rtt = "1.0.0"
+
+cortex-m = { version = "0.7.6", features = ["inline-asm"] }
+cortex-m-rt = "0.7.0"
+panic-probe = { version = "1.0.0", features = ["print-defmt"] }
+
+embedded-hal-1 = { package = "embedded-hal", version = "1.0" }
+embedded-hal-async = "1.0"
+embedded-io-async = { version = "0.7.0", features = ["defmt"] }
+static_cell = "2.1"
+
+[profile.release]
+# Enable generation of debug symbols even on release builds
+debug = true
+
+[package.metadata.embassy]
+build = [{ target = "thumbv8m.main-none-eabihf" }]
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..30691aa
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,35 @@
+//! 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");
+
+    println!("cargo:rustc-link-arg-bins=--nmagic");
+    println!("cargo:rustc-link-arg-bins=-Tlink.x");
+    println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
+}
diff --git a/memory.x b/memory.x
new file mode 100644
index 0000000..4382e20
--- /dev/null
+++ b/memory.x
@@ -0,0 +1,75 @@
+MEMORY {
+    /*
+     * The RP2350 has either external or internal flash.
+     *
+     * 2 MiB is a safe default here, although a Pico 2 has 4 MiB.
+     */
+    FLASH : ORIGIN = 0x10000000, LENGTH = 2048K
+    /*
+     * RAM consists of 8 banks, SRAM0-SRAM7, with a striped mapping.
+     * This is usually good for performance, as it distributes load on
+     * those banks evenly.
+     */
+    RAM : ORIGIN = 0x20000000, LENGTH = 512K
+    /*
+     * RAM banks 8 and 9 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.
+     */
+    SRAM8 : ORIGIN = 0x20080000, LENGTH = 4K
+    SRAM9 : ORIGIN = 0x20081000, LENGTH = 4K
+}
+
+SECTIONS {
+    /* ### Boot ROM info
+     *
+     * Goes after .vector_table, to keep it in the first 4K of flash
+     * where the Boot ROM (and picotool) can find it
+     */
+    .start_block : ALIGN(4)
+    {
+        __start_block_addr = .;
+        KEEP(*(.start_block));
+        KEEP(*(.boot_info));
+    } > FLASH
+
+} INSERT AFTER .vector_table;
+
+/* move .text to start /after/ the boot info */
+_stext = ADDR(.start_block) + SIZEOF(.start_block);
+
+SECTIONS {
+    /* ### Picotool 'Binary Info' Entries
+     *
+     * Picotool looks through this block (as we have pointers to it in our
+     * header) to find interesting information.
+     */
+    .bi_entries : ALIGN(4)
+    {
+        /* We put this in the header */
+        __bi_entries_start = .;
+        /* Here are the entries */
+        KEEP(*(.bi_entries));
+        /* Keep this block a nice round size */
+        . = ALIGN(4);
+        /* We put this in the header */
+        __bi_entries_end = .;
+    } > FLASH
+} INSERT AFTER .text;
+
+SECTIONS {
+    /* ### Boot ROM extra info
+     *
+     * Goes after everything in our program, so it can contain a signature.
+     */
+    .end_block : ALIGN(4)
+    {
+        __end_block_addr = .;
+        KEEP(*(.end_block));
+    } > FLASH
+
+} INSERT AFTER .uninit;
+
+PROVIDE(start_to_end = __end_block_addr - __start_block_addr);
+PROVIDE(end_to_start = __start_block_addr - __end_block_addr);
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..1f47bee
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,15 @@
+[toolchain]
+channel = "1.92"
+components = [ "rust-src", "rustfmt", "llvm-tools" ]
+targets = [
+    "thumbv7em-none-eabi",
+    "thumbv7m-none-eabi",
+    "thumbv6m-none-eabi",
+    "thumbv7em-none-eabihf",
+    "thumbv8m.main-none-eabihf",
+    "riscv32imac-unknown-none-elf",
+    "wasm32-unknown-unknown",
+    "armv7a-none-eabi",
+    "armv7r-none-eabi",
+    "armv7r-none-eabihf",
+]
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..c2d55b1
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,19 @@
+#![no_std]
+#![no_main]
+
+use embassy_executor::Spawner;
+use {defmt_rtt as _, panic_probe as _};
+
+#[unsafe(link_section = ".bi_entries")]
+#[used]
+pub static PICOTOOL_ENTRIES: [embassy_rp::binary_info::EntryAddr; 4] = [
+    embassy_rp::binary_info::rp_program_name!(c"My LED tree"),
+    embassy_rp::binary_info::rp_program_description!(c"A LED tree control program"),
+    embassy_rp::binary_info::rp_cargo_version!(),
+    embassy_rp::binary_info::rp_program_build_attribute!(),
+];
+
+#[embassy_executor::main]
+async fn main(spawner: Spawner) {
+    let _ = embassy_rp::init(Default::default());
+}