dwt, itm, tpiu: derive common traits for structs/enums

As per Rust API guidelines:
<https://rust-lang.github.io/api-guidelines/interoperability.html#c-common-traits>.

Author: tmplt

src/peripheral/dwt.rs

@@ -304,7 +304,7 @@ impl DWT {
 }
 
 /// Whether the comparator should match on read, write or read/write operations.
-#[derive(Debug, PartialEq)]
+#[derive(Debug, Eq, PartialEq, Copy, Clone)]
 pub enum AccessType {
     /// Generate packet only when matched adress is read from.
     ReadOnly,
@@ -315,7 +315,7 @@ pub enum AccessType {
 }
 
 /// The sequence of packet(s) that should be emitted on comparator match.
-#[derive(Debug, PartialEq)]
+#[derive(Debug, Eq, PartialEq, Copy, Clone)]
 pub enum EmitOption {
     /// Emit only trace data value packet.
     Data,
@@ -332,7 +332,7 @@ pub enum EmitOption {
 }
 
 /// Settings for address matching
-#[derive(Debug)]
+#[derive(Debug, Eq, PartialEq, Copy, Clone)]
 pub struct ComparatorAddressSettings {
     /// The address to match against.
     pub address: u32,
@@ -345,15 +345,15 @@ pub struct ComparatorAddressSettings {
 }
 
 /// The available functions of a DWT comparator.
-#[derive(Debug)]
+#[derive(Debug, Eq, PartialEq, Copy, Clone)]
 #[non_exhaustive]
 pub enum ComparatorFunction {
     /// Compare accessed memory addresses.
     Address(ComparatorAddressSettings),
 }
 
 /// Possible error values returned on [Comparator::configure].
-#[derive(Debug)]
+#[derive(Debug, Eq, PartialEq, Copy, Clone)]
 #[non_exhaustive]
 pub enum DwtError {
     /// Invalid combination of [AccessType] and [EmitOption].

src/peripheral/itm.rs

@@ -90,7 +90,7 @@ impl Stim {
 }
 
 /// The possible local timestamp options.
-#[derive(Debug, PartialEq)]
+#[derive(Debug, Eq, PartialEq, Copy, Clone)]
 pub enum LocalTimestampOptions {
     /// Disable local timestamps.
     Disabled,
@@ -108,7 +108,7 @@ pub enum LocalTimestampOptions {
 }
 
 /// The possible global timestamp options.
-#[derive(Debug)]
+#[derive(Debug, Eq, PartialEq, Copy, Clone)]
 pub enum GlobalTimestampOptions {
     /// Disable global timestamps.
     Disabled,
@@ -121,7 +121,7 @@ pub enum GlobalTimestampOptions {
 }
 
 /// The possible clock sources for timestamp counters.
-#[derive(Debug)]
+#[derive(Debug, Eq, PartialEq, Copy, Clone)]
 pub enum TimestampClkSrc {
     /// Clock timestamp counters using the system processor clock.
     SystemClock,
@@ -134,7 +134,7 @@ pub enum TimestampClkSrc {
 }
 
 /// Available settings for the ITM peripheral.
-#[derive(Debug)]
+#[derive(Debug, Eq, PartialEq, Copy, Clone)]
 pub struct ITMSettings {
     /// Whether to enable ITM.
     pub enable: bool,

src/peripheral/tpiu.rs

@@ -62,6 +62,7 @@ bitfield! {
 
 /// The available protocols for the trace output.
 #[repr(u8)]
+#[derive(Debug, Eq, PartialEq, Copy, Clone)]
 pub enum TraceProtocol {
     /// Parallel trace port mode
     Parallel = 0b00,
@@ -87,7 +88,7 @@ impl core::convert::TryFrom<u8> for TraceProtocol {
 }
 
 /// The SWO options supported by the TPIU.
-#[allow(dead_code)]
+#[derive(Debug, Eq, PartialEq, Copy, Clone)]
 pub struct SWOSupports {
     /// Whether UART/NRZ encoding is supported for SWO.
     nrz_encoding: bool,