hidapi - cargo Package Compare versions

Comparing version 0.5.0 to 0.5.1

.cargo_vcs_info.json

+{
+  "git": {
+    "sha1": "bbdce3d50704c0abf2ce04bc60f8aee6af254f6b"
+  }
+}

examples/open_first_device.rs

+/****************************************************************************
+    Copyright (c) 2018 Roland Ruckerbauer All Rights Reserved.
+
+    This file is part of hidapi-rs, based on hidapi-rs by Osspial
+****************************************************************************/
+
+//! Opens the first hid device it can find, and reads data in a blocking fashion
+//! from it in an endless loop.
+
+extern crate failure;
+extern crate hidapi;
+
+use failure::Error;
+use hidapi::HidApi;
+
+fn main() {
+    fn run() -> Result<(), Error> {
+        let hidapi = HidApi::new()?;
+
+        let device_info = hidapi
+            .devices()
+            .iter()
+            .next()
+            .expect("No devices are available!")
+            .clone();
+
+        println!("Opening device:\n {:#?}\n", device_info);
+
+        let device = device_info.open_device(&hidapi)?;
+
+        let mut buf = vec![0; 64];
+
+        println!("Reading data from device ...\n");
+
+        loop {
+            let len = device.read(&mut buf)?;
+            println!("{:?}", &buf[..len]);
+        }
+
+        Ok(())
+    }
+
+    if let Err(e) = run() {
+        eprintln!("Error: {}", e);
+    }
+}

Cargo.toml

@@ -15,4 +15,4 @@ # THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
 name = "hidapi"
-version = "0.5.0"
-authors = ["Roland Ruckerbauer <[e-mail]>", "Osspial <[e-mail]>", "Artyom Pavlov <[e-mail]>", "mberndt123"]
+version = "0.5.1"
+authors = ["Roland Ruckerbauer <[e-mail]>", "Osspial <[e-mail]>", "Artyom Pavlov <[e-mail]>", "mberndt123", "niklasad1"]
 build = "build.rs"
@@ -19,0 +19,0 @@ links = "hidapi"

README.md

@@ -19,3 +19,3 @@ # hidapi [![Build Status](https://travis-ci.org/ruabmbua/hidapi-rs.svg?branch=master)](https://travis-ci.org/ruabmbua/hidapi-rs) [![Version](https://img.shields.io/crates/v/hidapi.svg)](https://crates.io/crates/hidapi) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://github.com/Osspial/hidapi-rs/blob/master/LICENSE.txt) [![Documentation](https://docs.rs/hidapi/badge.svg)](https://docs.rs/hidapi)
 // Print out information about all connected devices
-for device in &api.devices() {
+for device in api.devices() {
     println!("{:#?}", device);
@@ -22,0 +22,0 @@ }

src/lib.rs

@@ -52,2 +52,3 @@ // **************************************************************************
 use std::rc::Rc;
+use std::sync::atomic::{AtomicBool, Ordering};
 
@@ -64,9 +65,9 @@ pub use error::HidError;
     fn acquire() -> HidResult<HidApiLock> {
-        if unsafe { !HID_API_LOCK } {
+        if HID_API_LOCK.compare_and_swap(false, true, Ordering::SeqCst) {
             // Initialize the HID and prevent other HIDs from being created
             unsafe {
                 if ffi::hid_init() == -1 {
+                    HID_API_LOCK.store(false, Ordering::SeqCst);
                     return Err(HidError::InitializationError);
                 }
-                HID_API_LOCK = true;
                 Ok(HidApiLock)
@@ -82,6 +83,4 @@ }
     fn drop(&mut self) {
-        unsafe {
-            ffi::hid_exit();
-            HID_API_LOCK = false;
-        }
+        unsafe { ffi::hid_exit(); }
+        HID_API_LOCK.store(false, Ordering::SeqCst);
     }
@@ -97,3 +96,3 @@ }
 
-static mut HID_API_LOCK: bool = false;
+static HID_API_LOCK: AtomicBool = AtomicBool::new(false);
 
@@ -100,0 +99,0 @@ impl HidApi {

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