From 54fedeeefaa6b56ed5cbfb1941d1481d20e788bd Mon Sep 17 00:00:00 2001
From: xoviat <xoviat@users.noreply.github.com>
Date: Sun, 5 Nov 2023 16:11:58 -0600
Subject: [PATCH] don't serialize default stop mode

---
 stm32-data-serde/src/lib.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/stm32-data-serde/src/lib.rs b/stm32-data-serde/src/lib.rs
index ac0b222..c82633c 100644
--- a/stm32-data-serde/src/lib.rs
+++ b/stm32-data-serde/src/lib.rs
@@ -10,6 +10,10 @@ macro_rules! regex {
     }};
 }
 
+fn is_default<T: Default + PartialEq>(variant: &T) -> bool {
+    *variant == T::default()
+}
+
 #[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
 pub struct Chip {
     pub name: String,
@@ -116,6 +120,7 @@ pub mod chip {
                 pub reset: Option<rcc::Reset>,
                 #[serde(skip_serializing_if = "Option::is_none")]
                 pub mux: Option<rcc::Mux>,
+                #[serde(default, skip_serializing_if = "crate::is_default")]
                 pub stop_mode: rcc::StopMode,
             }
 
@@ -140,9 +145,10 @@ pub mod chip {
                     pub field: String,
                 }
 
-                #[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
+                #[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord, Serialize, Deserialize, Default)]
                 pub enum StopMode {
-                    Stop1,   // Peripheral prevents chip from entering Stop1
+                    #[default]
+                    Stop1, // Peripheral prevents chip from entering Stop1
                     Stop2,   // Peripheral prevents chip from entering Stop2
                     Standby, // Peripheral does not prevent chip from entering Stop
                 }