namespace

2026.1.2

esphome/components/esp32_hosted/__init__.py

@@ -12,6 +12,7 @@ from esphome.const import (
     KEY_FRAMEWORK_VERSION,
 )
 from esphome.core import CORE
+from esphome.cpp_generator import add_define
 
 CODEOWNERS = ["@swoboda1337"]
 
@@ -42,6 +43,7 @@ CONFIG_SCHEMA = cv.All(
 
 
 async def to_code(config):
+    add_define("USE_ESP32_HOSTED")
     if config[CONF_ACTIVE_HIGH]:
         esp32.add_idf_sdkconfig_option(
             "CONFIG_ESP_HOSTED_SDIO_RESET_ACTIVE_HIGH",

esphome/components/mhz19/mhz19.cpp

@@ -155,6 +155,9 @@ void MHZ19Component::dump_config() {
     case MHZ19_DETECTION_RANGE_0_10000PPM:
       range_str = "0 to 10000ppm";
       break;
+    default:
+      range_str = "default";
+      break;
   }
   ESP_LOGCONFIG(TAG, "  Detection range: %s", range_str);
 }

esphome/components/template/water_heater/__init__.py

@@ -20,7 +20,7 @@ from .. import template_ns
 CONF_CURRENT_TEMPERATURE = "current_temperature"
 
 TemplateWaterHeater = template_ns.class_(
-    "TemplateWaterHeater", water_heater.WaterHeater, cg.Component
+    "TemplateWaterHeater", cg.Component, water_heater.WaterHeater
 )
 
 TemplateWaterHeaterPublishAction = template_ns.class_(

esphome/components/uln2003/uln2003.cpp

@@ -1,11 +1,23 @@
 #include "uln2003.h"
 #include "esphome/core/log.h"
 
-namespace esphome {
-namespace uln2003 {
+namespace esphome::uln2003 {
 
 static const char *const TAG = "uln2003.stepper";
 
+static const LogString *step_mode_to_log_string(ULN2003StepMode mode) {
+  switch (mode) {
+    case ULN2003_STEP_MODE_FULL_STEP:
+      return LOG_STR("FULL STEP");
+    case ULN2003_STEP_MODE_HALF_STEP:
+      return LOG_STR("HALF STEP");
+    case ULN2003_STEP_MODE_WAVE_DRIVE:
+      return LOG_STR("WAVE DRIVE");
+    default:
+      return LOG_STR("UNKNOWN");
+  }
+}
+
 void ULN2003::setup() {
   this->pin_a_->setup();
   this->pin_b_->setup();
@@ -42,22 +54,7 @@ void ULN2003::dump_config() {
   LOG_PIN("  Pin B: ", this->pin_b_);
   LOG_PIN("  Pin C: ", this->pin_c_);
   LOG_PIN("  Pin D: ", this->pin_d_);
-  const char *step_mode_s;
-  switch (this->step_mode_) {
-    case ULN2003_STEP_MODE_FULL_STEP:
-      step_mode_s = "FULL STEP";
-      break;
-    case ULN2003_STEP_MODE_HALF_STEP:
-      step_mode_s = "HALF STEP";
-      break;
-    case ULN2003_STEP_MODE_WAVE_DRIVE:
-      step_mode_s = "WAVE DRIVE";
-      break;
-    default:
-      step_mode_s = "UNKNOWN";
-      break;
-  }
-  ESP_LOGCONFIG(TAG, "  Step Mode: %s", step_mode_s);
+  ESP_LOGCONFIG(TAG, "  Step Mode: %s", LOG_STR_ARG(step_mode_to_log_string(this->step_mode_)));
 }
 void ULN2003::write_step_(int32_t step) {
   int32_t n = this->step_mode_ == ULN2003_STEP_MODE_HALF_STEP ? 8 : 4;
@@ -90,5 +87,4 @@ void ULN2003::write_step_(int32_t step) {
   this->pin_d_->digital_write((res >> 3) & 1);
 }
 
-}  // namespace uln2003
-}  // namespace esphome
+}  // namespace esphome::uln2003

esphome/components/uln2003/uln2003.h

@@ -4,8 +4,7 @@
 #include "esphome/core/hal.h"
 #include "esphome/components/stepper/stepper.h"
 
-namespace esphome {
-namespace uln2003 {
+namespace esphome::uln2003 {
 
 enum ULN2003StepMode {
   ULN2003_STEP_MODE_FULL_STEP,
@@ -40,5 +39,4 @@ class ULN2003 : public stepper::Stepper, public Component {
   int32_t current_uln_pos_{0};
 };
 
-}  // namespace uln2003
-}  // namespace esphome
+}  // namespace esphome::uln2003

esphome/components/wifi/wifi_component_esp8266.cpp

@@ -698,6 +698,10 @@ bool WiFiComponent::wifi_scan_start_(bool passive) {
   if (!this->wifi_mode_(true, {}))
     return false;
 
+  // Reset scan_done_ before starting new scan to prevent stale flag from previous scan
+  // (e.g., roaming scan completed just before unexpected disconnect)
+  this->scan_done_ = false;
+
   struct scan_config config {};
   memset(&config, 0, sizeof(config));
   config.ssid = nullptr;

esphome/components/wifi/wifi_component_esp_idf.cpp

@@ -14,6 +14,7 @@
 
 #include <algorithm>
 #include <cinttypes>
+#include <memory>
 #include <utility>
 #ifdef USE_WIFI_WPA2_EAP
 #if (ESP_IDF_VERSION_MAJOR >= 5) && (ESP_IDF_VERSION_MINOR >= 1)
@@ -828,16 +829,29 @@ void WiFiComponent::wifi_process_event_(IDFWiFiEvent *data) {
 
     uint16_t number = it.number;
     scan_result_.init(number);
-
-    // Process one record at a time to avoid large buffer allocation
-    wifi_ap_record_t record;
+#ifdef USE_ESP32_HOSTED
+    // getting records one at a time fails on P4 with hosted esp32 WiFi coprocessor
+    // Presumably an upstream bug, work-around by getting all records at once
+    auto records = std::make_unique<wifi_ap_record_t[]>(number);
+    err = esp_wifi_scan_get_ap_records(&number, records.get());
+    if (err != ESP_OK) {
+      esp_wifi_clear_ap_list();
+      ESP_LOGW(TAG, "esp_wifi_scan_get_ap_records failed: %s", esp_err_to_name(err));
+      return;
+    }
     for (uint16_t i = 0; i < number; i++) {
+      wifi_ap_record_t &record = records[i];
+#else
+    // Process one record at a time to avoid large buffer allocation
+    for (uint16_t i = 0; i < number; i++) {
+      wifi_ap_record_t record;
       err = esp_wifi_scan_get_ap_record(&record);
       if (err != ESP_OK) {
         ESP_LOGW(TAG, "esp_wifi_scan_get_ap_record failed: %s", esp_err_to_name(err));
         esp_wifi_clear_ap_list();  // Free remaining records not yet retrieved
         break;
       }
+#endif  // USE_ESP32_HOSTED
       bssid_t bssid;
       std::copy(record.bssid, record.bssid + 6, bssid.begin());
       std::string ssid(reinterpret_cast<const char *>(record.ssid));

esphome/components/wifi/wifi_component_libretiny.cpp

@@ -649,6 +649,10 @@ bool WiFiComponent::wifi_scan_start_(bool passive) {
   if (!this->wifi_mode_(true, {}))
     return false;
 
+  // Reset scan_done_ before starting new scan to prevent stale flag from previous scan
+  // (e.g., roaming scan completed just before unexpected disconnect)
+  this->scan_done_ = false;
+
   // need to use WiFi because of WiFiScanClass allocations :(
   int16_t err = WiFi.scanNetworks(true, true, passive, 200);
   if (err != WIFI_SCAN_RUNNING) {

esphome/core/defines.h

@@ -42,6 +42,7 @@
 #define USE_DEVICES
 #define USE_DISPLAY
 #define USE_ENTITY_ICON
+#define USE_ESP32_HOSTED
 #define USE_ESP32_IMPROV_STATE_CALLBACK
 #define USE_EVENT
 #define USE_FAN