rt-thread/components/rust/examples/application/loadlib/src/lib.rs

/*
 * Copyright (c) 2006-2025, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       notes
 * 2025-10-10     foxglove     load library example
 * 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::println;
use rt_rust::get_libfn;
use core::ffi::{c_int, c_char};
use rt_rust::param::Param;

#[msh_cmd_export(name = "rust_dl_demo", desc = "Rust dynamic library demo")]
fn main(_param: Param) {
    println!("\n=== Dynamic Library Demo ===");

    get_libfn!("/hello.mo", "main", my_hello, ());
    my_hello();

    get_libfn!("/libmylib.mo", "rust_mylib_add", my_add, c_int, a: c_int, b: c_int);
    let s = my_add(15, 20);
    println!("my_add(15, 20) = {}", s);

    get_libfn!("/libmylib.mo", "rust_mylib_println", my_println, (), s: *const c_char);
    my_println(b"rustlib: Hello World\0".as_ptr() as *const c_char);
}