From 4753d7b2791fa7d71ff4a53f9b4e41141cab6a58 Mon Sep 17 00:00:00 2001
From: dentra <dennis.trachuk@gmail.com>
Date: Mon, 24 Jun 2024 15:21:30 +0300
Subject: [PATCH] ewh: publish error code only on change

---
 components/ewh/ewh_component.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/components/ewh/ewh_component.cpp b/components/ewh/ewh_component.cpp
index d0d711a..e2b5646 100644
--- a/components/ewh/ewh_component.cpp
+++ b/components/ewh/ewh_component.cpp
@@ -24,7 +24,9 @@ void EWHComponent::on_state(const ewh_state_t &state) {
 #endif
 #ifdef USE_SENSOR
   if (this->error_code_) {
-    this->error_code_->publish_state(state.error);
+    if (std::isnan(this->error_code_->state) || static_cast<uint8_t>(this->error_code_->state) != state.error) {
+      this->error_code_->publish_state(state.error);
+    }
   }
 #endif
 }