Adding Rust Language Support for RT-Thread #10910

1 files changed, 30 insertions, 0 deletions

diff --git a/components/rust/examples/modules/example_lib/src/lib.rs b/components/rust/examples/modules/example_lib/src/lib.rs
new file mode 100644
index 0000000000..5f81c1553f
--- /dev/null
+++ b/components/rust/examples/modules/example_lib/src/lib.rs
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       notes
+ * 2025-10-10     foxglove     Basic library module template
+ */
+#![no_std]
+/* Bring rt-rust's println! macro into scope */ 
+use rt_rust::println;
+use core::ffi::{c_char, CStr};
+#[unsafe(no_mangle)]
+pub extern "C" fn rust_mylib_println(s: *const c_char) {
+    if s.is_null() {
+        println!("");
+    } else {
+            let cs = unsafe {CStr::from_ptr(s)};
+            match cs.to_str() {
+                Ok(msg) => println!("{}", msg),
+                Err(_) => println!("[invalid UTF-8]"),
+            }
+    }
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn rust_mylib_add(a: usize, b: usize) -> usize {
+    a + b
+}
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