impl std::error::Error for BLEError

taks · Apr 30, 2024 · fd787dc · fd787dc
1 parent 2086a0c
commit fd787dc
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diff --git a/src/ble_error.rs b/src/ble_error.rs
@@ -31,6 +31,17 @@ impl BLEError {
   }
 }
 
+impl core::fmt::Display for BLEError {
+  fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+    match return_code_to_string(self.0.get()) {
+      Some(text) => write!(f, "{text}")?,
+      None => write!(f, "0x{:X}", self.0)?,
+    };
+
+    Ok(())
+  }
+}
+
 impl core::fmt::Debug for BLEError {
   fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
     match return_code_to_string(self.0.get()) {
@@ -42,6 +53,9 @@ impl core::fmt::Debug for BLEError {
   }
 }
 
+#[cfg(feature = "std")]
+impl std::error::Error for BLEError {}
+
 pub fn return_code_to_string(rc: i32) -> Option<&'static str> {
   let rc = rc as u32;
   if rc < 0x100 {

diff --git a/src/lib.rs b/src/lib.rs
@@ -5,6 +5,12 @@
 #![feature(decl_macro)]
 #![feature(get_mut_unchecked)]
 #![doc = include_str!("../README.md")]
+
+#[cfg(feature = "std")]
+#[allow(unused_imports)]
+#[macro_use]
+extern crate std;
+
 extern crate alloc;
 
 #[doc(hidden)]