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a91768e715
Most tools used for compliance and SBOM generation use SPDX identifiers This change brings us a step closer to an easy SBOM generation. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
131 lines
4.1 KiB
Rust
131 lines
4.1 KiB
Rust
/****************************************************************************
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* apps/examples/leds_rust/leds_rust_main.rs
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Attributes
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****************************************************************************/
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/* Comment out these lines for testing with Rust Standard Library */
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#![no_main]
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#![no_std]
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/****************************************************************************
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* Uses
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****************************************************************************/
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#[cfg(target_os = "none")]
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use core::{
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panic::PanicInfo,
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result::Result::{self, Err, Ok},
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};
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/****************************************************************************
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* Modules
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****************************************************************************/
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mod nuttx;
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Panic Handler (needed for [no_std] compilation)
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****************************************************************************/
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#[cfg(target_os = "none")] /* For NuttX */
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#[panic_handler]
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fn panic(_panic: &PanicInfo<'_>) -> ! {
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loop {}
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}
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/****************************************************************************
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* rust_main
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****************************************************************************/
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fn rust_main(_argc: i32, _argv: *const *const u8) -> Result<i32, i32> {
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/* "Hello, Rust!!" using puts() from libc */
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nuttx::safe_puts("Hello, Rust!!");
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/* Blink LED 1 using ioctl() from NuttX */
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nuttx::safe_puts("Opening /dev/userleds");
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let fd = nuttx::safe_open("/dev/userleds", nuttx::O_WRONLY)?;
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nuttx::safe_puts("Set LED 1 to 1");
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nuttx::safe_ioctl(fd, nuttx::ULEDIOC_SETALL, 1)?;
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nuttx::safe_puts("Sleeping...");
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unsafe {
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nuttx::usleep(500_000);
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}
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nuttx::safe_puts("Set LED 1 to 0");
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nuttx::safe_ioctl(fd, nuttx::ULEDIOC_SETALL, 0)?;
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unsafe {
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nuttx::close(fd);
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}
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/* Exit with status 0 */
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Ok(0)
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* leds_rust_main
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****************************************************************************/
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#[no_mangle]
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pub extern "C" fn leds_rust_main(_argc: i32, _argv: *const *const u8) -> i32 {
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/* Call the program logic in Rust Main */
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let res = rust_main(0, core::ptr::null());
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/* If Rust Main returns an error, print it */
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if let Err(e) = res {
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unsafe {
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nuttx::printf(
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b"ERROR: rust_main() failed with error %d\n\0" as *const u8,
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e,
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);
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}
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e
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} else {
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0
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}
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}
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/****************************************************************************
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* main
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****************************************************************************/
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#[cfg(not(target_os = "none"))] /* For Testing Locally */
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fn main() {
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leds_rust_main(0, core::ptr::null());
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}
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