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-rw-r--r--hid/src/handle.rs224
1 files changed, 0 insertions, 224 deletions
diff --git a/hid/src/handle.rs b/hid/src/handle.rs
deleted file mode 100644
index d0eb090..0000000
--- a/hid/src/handle.rs
+++ /dev/null
@@ -1,224 +0,0 @@
-use std::time::Duration;
-
-use libc::c_int;
-use sys::*;
-use error::{self, Error};
-
-/// A device handle.
-pub struct Handle {
- ptr: *mut hid_device,
-}
-
-impl Handle {
- #[doc(hidden)]
- pub unsafe fn new(ptr: *mut hid_device) -> Self {
- Handle {
- ptr: ptr,
- }
- }
-
- #[doc(hidden)]
- pub unsafe fn as_ptr(&self) -> *const hid_device {
- self.ptr as *const _
- }
-
- #[doc(hidden)]
- pub unsafe fn as_mut_ptr(&mut self) -> *mut hid_device {
- self.ptr
- }
-}
-
-impl Handle {
- /// Set the handle in blocking or non-blocking mode.
- pub fn blocking(&mut self, value: bool) -> error::Result<&mut Self> {
- unsafe {
- match hid_set_nonblocking(self.as_mut_ptr(), if value { 1 } else { 0 }) {
- 0 =>
- Ok(self),
-
- _ =>
- Err(Error::General)
- }
- }
- }
-
- /// The data accessor.
- pub fn data(&mut self) -> Data {
- unsafe {
- Data::new(self)
- }
- }
-
- /// The feature accessor.
- pub fn feature(&mut self) -> Feature {
- unsafe {
- Feature::new(self)
- }
- }
-}
-
-/// The data accessor.
-pub struct Data<'a> {
- handle: &'a mut Handle,
-}
-
-impl<'a> Data<'a> {
- #[doc(hidden)]
- pub unsafe fn new(handle: &mut Handle) -> Data {
- Data { handle: handle }
- }
-
- /// Write data to the device.
- ///
- /// The first byte must be the report ID.
- pub fn write<T: AsRef<[u8]>>(&mut self, data: T) -> error::Result<usize> {
- let data = data.as_ref();
-
- unsafe {
- match hid_write(self.handle.as_mut_ptr(), data.as_ptr(), data.len()) {
- -1 =>
- Err(Error::Write),
-
- length =>
- Ok(length as usize)
- }
- }
- }
-
- /// Write data to the device with the given report ID.
- pub fn write_to<T: AsRef<[u8]>>(&mut self, id: u8, data: T) -> error::Result<usize> {
- let data = data.as_ref();
- let mut buffer = vec![0u8; data.len() + 1];
-
- buffer[0] = id;
- (&mut buffer[1 ..]).copy_from_slice(data);
-
- self.write(&buffer)
- }
-
- /// Read data from the device.
- ///
- /// If the device supports reports the first byte will contain the report ID.
- ///
- /// Returns the amount of read bytes or `None` if there was a timeout.
- pub fn read<T: AsMut<[u8]>>(&mut self, mut data: T, timeout: Duration) -> error::Result<Option<usize>> {
- let data = data.as_mut();
- let result = if timeout.as_secs() == 0 && timeout.subsec_nanos() == 0 {
- unsafe {
- hid_read(self.handle.as_mut_ptr(), data.as_mut_ptr(), data.len())
- }
- }
- else {
- unsafe {
- // Timeout is in milliseconds.
- hid_read_timeout(self.handle.as_mut_ptr(), data.as_mut_ptr(), data.len(),
- timeout.as_secs() as c_int * 1_000 + timeout.subsec_nanos() as c_int / 1_000_000)
- }
- };
-
- match result {
- -1 =>
- Err(Error::Read),
-
- 0 =>
- Ok(None),
-
- v =>
- Ok(Some(v as usize))
- }
- }
-
- /// Read data from the device.
- ///
- /// Returns the report ID and the amount of read bytes or `None` if there was a timeout.
- pub fn read_from<T: AsMut<[u8]>>(&mut self, mut data: T, timeout: Duration) -> error::Result<Option<(u8, usize)>> {
- let data = data.as_mut();
- let mut buffer = Vec::with_capacity(data.len() + 1);
-
- if let Some(length) = self.read(&mut buffer, timeout)? {
- data[0..length - 1].copy_from_slice(&buffer[1..length]);
-
- Ok(Some((buffer[0], length - 1)))
- }
- else {
- Ok(None)
- }
- }
-}
-
-/// The feature accessor.
-pub struct Feature<'a> {
- handle: &'a mut Handle,
-}
-
-impl<'a> Feature<'a> {
- #[doc(hidden)]
- pub unsafe fn new(handle: &mut Handle) -> Feature {
- Feature { handle: handle }
- }
-
- /// Send a feature request.
- ///
- /// The first byte must be the report ID.
- pub fn send<T: AsRef<[u8]>>(&mut self, data: T) -> error::Result<usize> {
- let data = data.as_ref();
-
- unsafe {
- match hid_send_feature_report(self.handle.as_mut_ptr(), data.as_ptr(), data.len()) {
- -1 =>
- Err(Error::Write),
-
- length =>
- Ok(length as usize)
- }
- }
- }
-
- /// Send a feature request to the given report ID.
- pub fn send_to<T: AsRef<[u8]>>(&mut self, id: u8, data: T) -> error::Result<usize> {
- let data = data.as_ref();
- let mut buffer = Vec::with_capacity(data.len() + 1);
-
- buffer.push(id);
- buffer.extend(data);
-
- self.send(&buffer).map(|v| v - 1)
- }
-
- /// Get a feature request.
- ///
- /// The first byte must be the report ID.
- pub fn get<T: AsMut<[u8]>>(&mut self, mut data: T) -> error::Result<usize> {
- let data = data.as_mut();
-
- unsafe {
- match hid_get_feature_report(self.handle.as_mut_ptr(), data.as_mut_ptr(), data.len()) {
- -1 =>
- Err(Error::Read),
-
- length =>
- Ok(length as usize)
- }
- }
- }
-
- /// Get a feature request from the given report ID.
- pub fn get_from<T: AsMut<[u8]>>(&mut self, id: u8, mut data: T) -> error::Result<usize> {
- let data = data.as_mut();
- let mut buffer = vec![0u8; data.len() + 1];
- buffer[0] = id;
-
- let length = self.get(&mut buffer)?;
- data[0..length - 1].copy_from_slice(&buffer[1..length]);
-
- Ok(length - 1)
- }
-}
-
-impl Drop for Handle {
- fn drop(&mut self) {
- unsafe {
- hid_close(self.as_mut_ptr());
- }
- }
-}