Initial commit

.gitignore

@@ -14,3 +14,9 @@ Cargo.lock
 # MSVC Windows builds of rustc generate these, which store debugging information
 *.pdb
 
+# hex output
+*.hex
+
+# Added by cargo
+
+/target

Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "arduino_blinkrs"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+
+[profile.release]
+lto = true

avr-atmega328p.json

@@ -0,0 +1,30 @@
+{
+    "arch": "avr",
+    "cpu": "atmega328p",
+    "data-layout": "e-P1-p:16:8-i8:8-i16:8-i32:8-i64:8-f32:8-f64:8-n8-a:8",
+    "env": "",
+    "executables": true,
+    "linker": "avr-gcc",
+    "linker-flavor": "gcc",
+    "linker-is-gnu": true,
+    "llvm-target": "avr-unknown-unknown",
+    "os": "unknown",
+    "position-independent-executables": false,
+    "exe-suffix": ".elf",
+    "eh-frame-header": false,
+    "pre-link-args": {
+        "gcc": [
+            "-mmcu=atmega328p"
+        ]
+    },
+    "late-link-args": {
+        "gcc": [
+            "-lgcc",
+            "-lc"
+        ]
+    },
+    "target-c-int-width": "16",
+    "target-endian": "little",
+    "target-pointer-width": "16",
+    "vendor": "unknown"
+}

src/main.rs

@@ -0,0 +1,15 @@
+#![feature(lang_items)]
+#![allow(improper_ctypes_definitions)]
+#![no_std]
+#![no_main]
+
+#[no_mangle]
+pub extern "C" fn main() {}
+
+#[lang = "eh_personality"]
+pub unsafe extern "C" fn rust_eh_personality() -> () {}
+
+#[lang = "panic_impl"]
+fn panic(_info: &::core::panic::PanicInfo) -> ! {
+    loop {}
+}