Updated EmbeddedIO to 0.7 and Rust Edition to 2024 (#56)

* Implemented traits for 0.7 embedded io

* Updated rust version to 2024

* Updated formatting

* Updated changelog

Author: Gip-Gip

CHANGELOG.md

@@ -7,7 +7,13 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
-No unreleased changes yet!
+### Changed
+* `embedded-io` version changed from 0.6.x to 0.7.x
+* Rust edition changed from 2018 to 2024
+
+### Added
+* Implemented `core::fmt::Display` and `core::error::Error` for `io::Error` to
+  allow for compatability with `embedded-io` 0.7.x
 
 ## [0.2.2] - 2024-04-22
 

Cargo.toml

@@ -2,7 +2,7 @@
 name = "usbd-serial"
 description = "USB CDC-ACM serial port class for use with usb-device."
 version = "0.2.2"
-edition = "2018"
+edition = "2024"
 readme = "README.md"
 keywords = ["no-std", "usb-device"]
 license = "MIT"
@@ -13,4 +13,4 @@ repository = "https://github.com/mvirkkunen/usbd-serial"
 embedded-hal = "0.2.4"
 nb = "1"
 usb-device = "0.3"
-embedded-io = "0.6"
+embedded-io = "0.7"

src/cdc_acm.rs

@@ -1,9 +1,9 @@
 use core::convert::TryInto;
 use core::mem;
+use usb_device::Result;
 use usb_device::class_prelude::*;
 use usb_device::descriptor::lang_id::LangID;
 use usb_device::device::DEFAULT_ALTERNATE_SETTING;
-use usb_device::Result;
 
 /// This should be used as `device_class` when building the `UsbDevice`.
 pub const USB_CLASS_CDC: u8 = 0x02;

src/io.rs

@@ -11,6 +11,14 @@ impl From<usb_device::UsbError> for Error {
     }
 }
 
+impl core::fmt::Display for Error {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        write!(f, "{:?}", self)
+    }
+}
+
+impl core::error::Error for Error {}
+
 impl embedded_io::Error for Error {
     fn kind(&self) -> embedded_io::ErrorKind {
         match self.0 {

src/serial_port.rs

@@ -2,9 +2,9 @@ use crate::buffer::{Buffer, DefaultBufferStore};
 use crate::cdc_acm::*;
 use core::borrow::BorrowMut;
 use core::slice;
+use usb_device::Result;
 use usb_device::class_prelude::*;
 use usb_device::descriptor::lang_id::LangID;
-use usb_device::Result;
 
 /// USB (CDC-ACM) serial port with built-in buffering to implement stream-like behavior.
 ///