initial commit

Author: dcuddeback

.gitignore

@@ -0,0 +1,2 @@
+target
+Cargo.lock

Cargo.toml

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+[package]
+
+name = "libusb-sys"
+version = "0.0.1"
+authors = ["David Cuddeback <david.cuddeback@gmail.com>"]
+
+build = "build.rs"
+links = "usb-1.0"
+
+[build-dependencies]
+pkg-config = "0.3.0"

build.rs

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+extern crate "pkg-config" as pkg_config;
+
+fn main() {
+  pkg_config::find_library("libusb-1.0").unwrap();
+}

examples/libusb_info.rs

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+extern crate "libusb-sys" as ffi;
+
+use std::mem;
+use std::str;
+use std::ffi::CStr;
+
+fn main() {
+  print_version();
+  print_capabilities();
+}
+
+fn print_version() {
+  let version = unsafe { ::ffi::libusb_get_version() };
+
+  let rc       = str::from_utf8(unsafe { CStr::from_ptr(version.rc)       }.to_bytes()).unwrap_or("");
+  let describe = str::from_utf8(unsafe { CStr::from_ptr(version.describe) }.to_bytes()).unwrap_or("");
+
+  println!("libusb v{}.{}.{}.{}{} {}", version.major, version.minor, version.micro, version.nano, rc, describe);
+}
+
+fn print_capabilities() {
+  let mut context: *mut ::ffi::libusb_context = unsafe { mem::uninitialized() };
+
+  // library must be initialized before calling libusb_has_capabililty()
+  match unsafe { ::ffi::libusb_init(&mut context) } {
+    0 => (),
+    e => panic!("libusb_init: {}", e)
+  };
+
+  unsafe {
+    ::ffi::libusb_set_debug(context, ::ffi::LIBUSB_LOG_LEVEL_DEBUG);
+    ::ffi::libusb_set_debug(context, ::ffi::LIBUSB_LOG_LEVEL_INFO);
+    ::ffi::libusb_set_debug(context, ::ffi::LIBUSB_LOG_LEVEL_WARNING);
+    ::ffi::libusb_set_debug(context, ::ffi::LIBUSB_LOG_LEVEL_ERROR);
+    ::ffi::libusb_set_debug(context, ::ffi::LIBUSB_LOG_LEVEL_NONE);
+  }
+
+  println!("has capability? {}", unsafe { ::ffi::libusb_has_capability(::ffi::LIBUSB_CAP_HAS_CAPABILITY) });
+  println!("has hotplug? {}", unsafe { ::ffi::libusb_has_capability(::ffi::LIBUSB_CAP_HAS_HOTPLUG) });
+  println!("has HID access? {}", unsafe { ::ffi::libusb_has_capability(::ffi::LIBUSB_CAP_HAS_HID_ACCESS) });
+  println!("supports detach kernel driver? {}", unsafe { ::ffi::libusb_has_capability(::ffi::LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER) });
+
+  unsafe { ::ffi::libusb_exit(context) };
+}