From fe2d60ccecf6ceb18def3895a174277037942791 Mon Sep 17 00:00:00 2001
From: Massimo Antonello <31179882+MaxPlap@users.noreply.github.com>
Date: Thu, 12 Mar 2026 09:52:58 +0100
Subject: [PATCH] [one_wire] allow changing address at runtime (#12150)

---
 esphome/components/one_wire/one_wire.cpp | 5 +++++
 esphome/components/one_wire/one_wire.h   | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/esphome/components/one_wire/one_wire.cpp b/esphome/components/one_wire/one_wire.cpp
index 187f559ca6..d14c1c92bd 100644
--- a/esphome/components/one_wire/one_wire.cpp
+++ b/esphome/components/one_wire/one_wire.cpp
@@ -13,6 +13,11 @@ const std::string &OneWireDevice::get_address_name() {
   return this->address_name_;
 }
 
+void OneWireDevice::set_address(uint64_t address) {
+  this->address_ = address;
+  this->address_name_.clear();
+}
+
 bool OneWireDevice::send_command_(uint8_t cmd) {
   if (!this->bus_->select(this->address_))
     return false;
diff --git a/esphome/components/one_wire/one_wire.h b/esphome/components/one_wire/one_wire.h
index f6a956a92c..324e46cd55 100644
--- a/esphome/components/one_wire/one_wire.h
+++ b/esphome/components/one_wire/one_wire.h
@@ -15,7 +15,7 @@ class OneWireDevice {
  public:
   /// @brief store the address of the device
   /// @param address of the device
-  void set_address(uint64_t address) { this->address_ = address; }
+  void set_address(uint64_t address);
 
   void set_index(uint8_t index) { this->index_ = index; }