camelCase for WriteConstraint serialization

Author: burrbull

svd-rs/CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ## Unreleased
 
 - merge `register` with `registerinfo` modules same as other `info`s
+- camelCase for WriteConstraint serialization
 - `EnumeratedValues.usage()` now return `None` if it is derived, fix bug in usage check
 - Use generic `SingleArray` enum for types which can be either collected into SVD arrays or have only one instance
 - `Name` trait for structures that has `name` field

svd-rs/src/writeconstraint.rs

@@ -1,5 +1,9 @@
 /// Define constraints for writing values to a field
-#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
+#[cfg_attr(
+    feature = "serde",
+    derive(serde::Deserialize, serde::Serialize),
+    serde(rename_all = "camelCase")
+)]
 #[derive(Clone, Copy, Debug, PartialEq)]
 pub enum WriteConstraint {
     /// If `true`, only the last read value can be written.