Adding Rust Language Support for RT-Thread #10910

1 files changed, 73 insertions, 0 deletions

diff --git a/components/rust/examples/application/fs/src/lib.rs b/components/rust/examples/application/fs/src/lib.rs
new file mode 100644
index 0000000000..53cf8561d1
--- /dev/null
+++ b/components/rust/examples/application/fs/src/lib.rs
@@ -0,0 +1,73 @@
+
+/*
+ * Copyright (c) 2006-2025, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       notes
+ * 2025-10-20     foxglove     Rust file operation test.
+ * 2025-10-29     foxglove     Updated to demonstrate new modular macro interface
+ */
+#![no_std]
+
+extern crate alloc;
+
+use rt_macros::msh_cmd_export;
+use rt_rust::{fs, println};
+use rt_rust::param::Param;
+use em_component_log::{info, error};
+
+#[msh_cmd_export(name = "rust_file_demo", desc = "Rust example app.")]
+fn main(_param: Param) {
+    println!("[rust_file_test] start");
+
+    let mut file = match fs::OpenOptions::new()
+        .read(true)
+        .write(true)
+        .create(true)
+        .append(false)
+        .truncate(true)
+        .open("test.txt")
+    {
+        Ok(f) => {
+            info!("open test.txt ok");
+            f
+        }
+        Err(e) => {
+            error!("open error: {:?}", e);
+            return;
+        }
+    };
+
+    if let Err(e) = file.write_all("Hello from FS wrapper!\n") {
+        error!("write_all error: {:?}", e);
+        return;
+    }
+    info!("write_all done");
+
+    if let Err(e) = file.flush() {
+        error!("flush error: {:?}", e);
+    } else {
+        info!("flush ok");
+    }
+
+    match file.read_to_string() {
+        Ok(s) => info!("read_back: {}", s),
+        Err(e) => error!("read_to_string error: {:?}", e),
+    }
+
+    if let Err(e) = file.set_len(5) {
+        error!("truncate error: {:?}", e);
+    } else {
+        info!("truncate to 5 ok");
+    }
+
+    if let Err(e) = file.close() {
+        error!("close error: {:?}", e);
+    } else {
+        info!("close ok");
+    }
+
+    info!("[rust_file_test] end");
+}