[spi] Fix display init failure by marking displays as write-only for half-duplex mode (#13431)

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

.clang-tidy.hash

@@ -1 +1 @@
-d15ae81646ac0ee76b2586716fe697f187281523ee6db566aed26542a9f98d1a
+c0335c9688ce9defb4a7d4446b93460547e22df055668bacd7d963c770f0c65f

.github/workflows/sync-device-classes.yml

@@ -41,7 +41,7 @@ jobs:
           python script/run-in-env.py pre-commit run --all-files
 
       - name: Commit changes
-        uses: peter-evans/create-pull-request@98357b18bf14b5342f975ff684046ec3b2a07725 # v8.0.0
+        uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0 # v8.1.0
         with:
           commit-message: "Synchronise Device Classes from Home Assistant"
           committer: esphomebot <esphome@openhomefoundation.org>

esphome/components/adc/sensor.py

@@ -160,21 +160,21 @@ async def to_code(config):
         zephyr_add_user("io-channels", f"<&adc {channel_id}>")
         zephyr_add_overlay(
             f"""
-&adc {{
-    #address-cells = <1>;
-    #size-cells = <0>;
+                &adc {{
+                    #address-cells = <1>;
+                    #size-cells = <0>;
 
-    channel@{channel_id} {{
-        reg = <{channel_id}>;
-        zephyr,gain = "{gain}";
-        zephyr,reference = "ADC_REF_INTERNAL";
-        zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
-        zephyr,input-positive = <NRF_SAADC_{pin_number}>;
-        zephyr,resolution = <14>;
-        zephyr,oversampling = <8>;
-    }};
-}};
-"""
+                    channel@{channel_id} {{
+                        reg = <{channel_id}>;
+                        zephyr,gain = "{gain}";
+                        zephyr,reference = "ADC_REF_INTERNAL";
+                        zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+                        zephyr,input-positive = <NRF_SAADC_{pin_number}>;
+                        zephyr,resolution = <14>;
+                        zephyr,oversampling = <8>;
+                    }};
+                }};
+            """
         )
 
 

esphome/components/audio/__init__.py

@@ -1,4 +1,5 @@
 import esphome.codegen as cg
+from esphome.components.esp32 import add_idf_component
 import esphome.config_validation as cv
 from esphome.const import CONF_BITS_PER_SAMPLE, CONF_NUM_CHANNELS, CONF_SAMPLE_RATE
 import esphome.final_validate as fv
@@ -165,4 +166,7 @@ def final_validate_audio_schema(
 
 
 async def to_code(config):
-    cg.add_library("esphome/esp-audio-libs", "2.0.1")
+    add_idf_component(
+        name="esphome/esp-audio-libs",
+        ref="2.0.3",
+    )

esphome/components/audio/audio_decoder.cpp

@@ -300,7 +300,7 @@ FileDecoderState AudioDecoder::decode_mp3_() {
 
   // Advance read pointer to match the offset for the syncword
   this->input_transfer_buffer_->decrease_buffer_length(offset);
-  uint8_t *buffer_start = this->input_transfer_buffer_->get_buffer_start();
+  const uint8_t *buffer_start = this->input_transfer_buffer_->get_buffer_start();
 
   buffer_length = (int) this->input_transfer_buffer_->available();
   int err = esp_audio_libs::helix_decoder::MP3Decode(this->mp3_decoder_, &buffer_start, &buffer_length,

esphome/components/debug/debug_zephyr.cpp

@@ -132,6 +132,26 @@ void DebugComponent::log_partition_info_() {
   flash_area_foreach(fa_cb, nullptr);
 }
 
+static const char *regout0_to_str(uint32_t value) {
+  switch (value) {
+    case (UICR_REGOUT0_VOUT_DEFAULT):
+      return "1.8V (default)";
+    case (UICR_REGOUT0_VOUT_1V8):
+      return "1.8V";
+    case (UICR_REGOUT0_VOUT_2V1):
+      return "2.1V";
+    case (UICR_REGOUT0_VOUT_2V4):
+      return "2.4V";
+    case (UICR_REGOUT0_VOUT_2V7):
+      return "2.7V";
+    case (UICR_REGOUT0_VOUT_3V0):
+      return "3.0V";
+    case (UICR_REGOUT0_VOUT_3V3):
+      return "3.3V";
+  }
+  return "???V";
+}
+
 size_t DebugComponent::get_device_info_(std::span<char, DEVICE_INFO_BUFFER_SIZE> buffer, size_t pos) {
   constexpr size_t size = DEVICE_INFO_BUFFER_SIZE;
   char *buf = buffer.data();
@@ -145,34 +165,14 @@ size_t DebugComponent::get_device_info_(std::span<char, DEVICE_INFO_BUFFER_SIZE>
   // Regulator stage 0
   if (nrf_power_mainregstatus_get(NRF_POWER) == NRF_POWER_MAINREGSTATUS_HIGH) {
     const char *reg0_type = nrf_power_dcdcen_vddh_get(NRF_POWER) ? "DC/DC" : "LDO";
-    const char *reg0_voltage;
-    switch (NRF_UICR->REGOUT0 & UICR_REGOUT0_VOUT_Msk) {
-      case (UICR_REGOUT0_VOUT_DEFAULT << UICR_REGOUT0_VOUT_Pos):
-        reg0_voltage = "1.8V (default)";
-        break;
-      case (UICR_REGOUT0_VOUT_1V8 << UICR_REGOUT0_VOUT_Pos):
-        reg0_voltage = "1.8V";
-        break;
-      case (UICR_REGOUT0_VOUT_2V1 << UICR_REGOUT0_VOUT_Pos):
-        reg0_voltage = "2.1V";
-        break;
-      case (UICR_REGOUT0_VOUT_2V4 << UICR_REGOUT0_VOUT_Pos):
-        reg0_voltage = "2.4V";
-        break;
-      case (UICR_REGOUT0_VOUT_2V7 << UICR_REGOUT0_VOUT_Pos):
-        reg0_voltage = "2.7V";
-        break;
-      case (UICR_REGOUT0_VOUT_3V0 << UICR_REGOUT0_VOUT_Pos):
-        reg0_voltage = "3.0V";
-        break;
-      case (UICR_REGOUT0_VOUT_3V3 << UICR_REGOUT0_VOUT_Pos):
-        reg0_voltage = "3.3V";
-        break;
-      default:
-        reg0_voltage = "???V";
-    }
+    const char *reg0_voltage = regout0_to_str((NRF_UICR->REGOUT0 & UICR_REGOUT0_VOUT_Msk) >> UICR_REGOUT0_VOUT_Pos);
     ESP_LOGD(TAG, "Regulator stage 0: %s, %s", reg0_type, reg0_voltage);
     pos = buf_append_printf(buf, size, pos, "|Regulator stage 0: %s, %s", reg0_type, reg0_voltage);
+#ifdef USE_NRF52_REG0_VOUT
+    if ((NRF_UICR->REGOUT0 & UICR_REGOUT0_VOUT_Msk) >> UICR_REGOUT0_VOUT_Pos != USE_NRF52_REG0_VOUT) {
+      ESP_LOGE(TAG, "Regulator stage 0: expected %s", regout0_to_str(USE_NRF52_REG0_VOUT));
+    }
+#endif
   } else {
     ESP_LOGD(TAG, "Regulator stage 0: disabled");
     pos = buf_append_printf(buf, size, pos, "|Regulator stage 0: disabled");

esphome/components/epaper_spi/display.py

@@ -190,7 +190,7 @@ async def to_code(config):
     # Rotation is handled by setting the transform
     display_config = {k: v for k, v in config.items() if k != CONF_ROTATION}
     await display.register_display(var, display_config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
     cg.add(var.set_dc_pin(dc))

esphome/components/esp32/__init__.py

@@ -182,6 +182,12 @@ def set_core_data(config):
             path=[CONF_CPU_FREQUENCY],
         )
 
+    if variant == VARIANT_ESP32P4 and cpu_frequency == "400MHZ":
+        _LOGGER.warning(
+            "400MHz on ESP32-P4 is experimental and may not boot. "
+            "Consider using 360MHz instead. See https://github.com/esphome/esphome/issues/13425"
+        )
+
     CORE.data[KEY_ESP32] = {}
     CORE.data[KEY_CORE][KEY_TARGET_PLATFORM] = PLATFORM_ESP32
     conf = config[CONF_FRAMEWORK]

esphome/components/hc8/sensor.py

@@ -6,6 +6,7 @@ from esphome.const import (
     CONF_BASELINE,
     CONF_CO2,
     CONF_ID,
+    CONF_WARMUP_TIME,
     DEVICE_CLASS_CARBON_DIOXIDE,
     ICON_MOLECULE_CO2,
     STATE_CLASS_MEASUREMENT,
@@ -14,8 +15,6 @@ from esphome.const import (
 
 DEPENDENCIES = ["uart"]
 
-CONF_WARMUP_TIME = "warmup_time"
-
 hc8_ns = cg.esphome_ns.namespace("hc8")
 HC8Component = hc8_ns.class_("HC8Component", cg.PollingComponent, uart.UARTDevice)
 HC8CalibrateAction = hc8_ns.class_("HC8CalibrateAction", automation.Action)

esphome/components/heatpumpir/climate.py

@@ -107,7 +107,7 @@ CONFIG_SCHEMA = cv.All(
             cv.Required(CONF_MAX_TEMPERATURE): cv.temperature,
         }
     ),
-    cv.only_with_arduino,
+    cv.Any(cv.only_with_arduino, cv.only_on_esp32),
 )
 
 
@@ -126,6 +126,6 @@ async def to_code(config):
     cg.add(var.set_max_temperature(config[CONF_MAX_TEMPERATURE]))
     cg.add(var.set_min_temperature(config[CONF_MIN_TEMPERATURE]))
 
-    cg.add_library("tonia/HeatpumpIR", "1.0.37")
+    cg.add_library("tonia/HeatpumpIR", "1.0.40")
     if CORE.is_libretiny or CORE.is_esp32:
         CORE.add_platformio_option("lib_ignore", ["IRremoteESP8266"])

esphome/components/heatpumpir/heatpumpir.cpp

@@ -1,6 +1,6 @@
 #include "heatpumpir.h"
 
-#ifdef USE_ARDUINO
+#if defined(USE_ARDUINO) || defined(USE_ESP32)
 
 #include <map>
 #include "ir_sender_esphome.h"

esphome/components/heatpumpir/heatpumpir.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#ifdef USE_ARDUINO
+#if defined(USE_ARDUINO) || defined(USE_ESP32)
 
 #include "esphome/components/climate_ir/climate_ir.h"
 

esphome/components/heatpumpir/ir_sender_esphome.cpp

@@ -1,6 +1,6 @@
 #include "ir_sender_esphome.h"
 
-#ifdef USE_ARDUINO
+#if defined(USE_ARDUINO) || defined(USE_ESP32)
 
 namespace esphome {
 namespace heatpumpir {

esphome/components/heatpumpir/ir_sender_esphome.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#ifdef USE_ARDUINO
+#if defined(USE_ARDUINO) || defined(USE_ESP32)
 
 #include "esphome/components/remote_base/remote_base.h"
 #include <IRSender.h>  // arduino-heatpump library

esphome/components/http_request/__init__.py

@@ -157,6 +157,7 @@ async def to_code(config):
     if CORE.is_esp32:
         cg.add(var.set_buffer_size_rx(config[CONF_BUFFER_SIZE_RX]))
         cg.add(var.set_buffer_size_tx(config[CONF_BUFFER_SIZE_TX]))
+        cg.add(var.set_verify_ssl(config[CONF_VERIFY_SSL]))
 
         if config.get(CONF_VERIFY_SSL):
             esp32.add_idf_sdkconfig_option("CONFIG_MBEDTLS_CERTIFICATE_BUNDLE", True)

esphome/components/http_request/http_request_idf.cpp

@@ -89,7 +89,7 @@ std::shared_ptr<HttpContainer> HttpRequestIDF::perform(const std::string &url, c
   config.max_redirection_count = this->redirect_limit_;
   config.auth_type = HTTP_AUTH_TYPE_BASIC;
 #if CONFIG_MBEDTLS_CERTIFICATE_BUNDLE
-  if (secure) {
+  if (secure && this->verify_ssl_) {
     config.crt_bundle_attach = esp_crt_bundle_attach;
   }
 #endif

esphome/components/http_request/http_request_idf.h

@@ -34,6 +34,7 @@ class HttpRequestIDF : public HttpRequestComponent {
 
   void set_buffer_size_rx(uint16_t buffer_size_rx) { this->buffer_size_rx_ = buffer_size_rx; }
   void set_buffer_size_tx(uint16_t buffer_size_tx) { this->buffer_size_tx_ = buffer_size_tx; }
+  void set_verify_ssl(bool verify_ssl) { this->verify_ssl_ = verify_ssl; }
 
  protected:
   std::shared_ptr<HttpContainer> perform(const std::string &url, const std::string &method, const std::string &body,
@@ -42,6 +43,7 @@ class HttpRequestIDF : public HttpRequestComponent {
   // if zero ESP-IDF will use DEFAULT_HTTP_BUF_SIZE
   uint16_t buffer_size_rx_{};
   uint16_t buffer_size_tx_{};
+  bool verify_ssl_{true};
 
   /// @brief Monitors the http client events to gather response headers
   static esp_err_t http_event_handler(esp_http_client_event_t *evt);

esphome/components/ili9xxx/display.py

@@ -223,7 +223,7 @@ async def to_code(config):
     var = cg.Pvariable(config[CONF_ID], rhs)
 
     await display.register_display(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
     dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
     cg.add(var.set_dc_pin(dc))
     if init_sequences := config.get(CONF_INIT_SEQUENCE):

esphome/components/lvgl/widgets/dropdown.py

@@ -1,3 +1,4 @@
+from esphome import codegen as cg
 import esphome.config_validation as cv
 from esphome.const import CONF_OPTIONS
 
@@ -24,6 +25,34 @@ from .label import CONF_LABEL
 CONF_DROPDOWN = "dropdown"
 CONF_DROPDOWN_LIST = "dropdown_list"
 
+# Example valid dropdown symbol (left arrow) for error messages
+EXAMPLE_DROPDOWN_SYMBOL = "\U00002190"  # ←
+
+
+def dropdown_symbol_validator(value):
+    """
+    Validate that the dropdown symbol is a single Unicode character
+    with a codepoint of 0x100 (256) or greater.
+    This is required because LVGL uses codepoints below 0x100 for internal symbols.
+    """
+    value = cv.string(value)
+    # len(value) counts Unicode code points, not grapheme clusters or bytes
+    if len(value) != 1:
+        raise cv.Invalid(
+            f"Dropdown symbol must be a single character, got '{value}' with length {len(value)}"
+        )
+    codepoint = ord(value)
+    if codepoint < 0x100:
+        # Format the example symbol as a Unicode escape for the error message
+        example_escape = f"\\U{ord(EXAMPLE_DROPDOWN_SYMBOL):08X}"
+        raise cv.Invalid(
+            f"Dropdown symbol must have a Unicode codepoint of 0x100 (256) or greater. "
+            f"'{value}' has codepoint {codepoint} (0x{codepoint:X}). "
+            f"Use a character like '{example_escape}' ({EXAMPLE_DROPDOWN_SYMBOL}) or other Unicode symbols with codepoint >= 0x100."
+        )
+    return value
+
+
 lv_dropdown_t = LvSelect("LvDropdownType", parents=(LvCompound,))
 
 lv_dropdown_list_t = LvType("lv_dropdown_list_t")
@@ -33,7 +62,7 @@ dropdown_list_spec = WidgetType(
 
 DROPDOWN_BASE_SCHEMA = cv.Schema(
     {
-        cv.Optional(CONF_SYMBOL): lv_text,
+        cv.Optional(CONF_SYMBOL): dropdown_symbol_validator,
         cv.Exclusive(CONF_SELECTED_INDEX, CONF_SELECTED_TEXT): lv_int,
         cv.Exclusive(CONF_SELECTED_TEXT, CONF_SELECTED_TEXT): lv_text,
         cv.Optional(CONF_DROPDOWN_LIST): part_schema(dropdown_list_spec.parts),
@@ -70,7 +99,7 @@ class DropdownType(WidgetType):
         if options := config.get(CONF_OPTIONS):
             lv_add(w.var.set_options(options))
         if symbol := config.get(CONF_SYMBOL):
-            lv.dropdown_set_symbol(w.var.obj, await lv_text.process(symbol))
+            lv.dropdown_set_symbol(w.var.obj, cg.safe_exp(symbol))
         if (selected := config.get(CONF_SELECTED_INDEX)) is not None:
             value = await lv_int.process(selected)
             lv_add(w.var.set_selected_index(value, literal("LV_ANIM_OFF")))

esphome/components/max7219/display.py

@@ -29,7 +29,7 @@ CONFIG_SCHEMA = (
 
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
     await display.register_display(var, config)
 
     cg.add(var.set_num_chips(config[CONF_NUM_CHIPS]))

esphome/components/max7219digit/display.py

@@ -86,7 +86,7 @@ CONFIG_SCHEMA = (
 
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
     await display.register_display(var, config)
 
     cg.add(var.set_num_chips(config[CONF_NUM_CHIPS]))

esphome/components/mhz19/sensor.py

@@ -7,6 +7,7 @@ from esphome.const import (
     CONF_CO2,
     CONF_ID,
     CONF_TEMPERATURE,
+    CONF_WARMUP_TIME,
     DEVICE_CLASS_CARBON_DIOXIDE,
     DEVICE_CLASS_TEMPERATURE,
     ICON_MOLECULE_CO2,
@@ -18,7 +19,6 @@ from esphome.const import (
 DEPENDENCIES = ["uart"]
 
 CONF_AUTOMATIC_BASELINE_CALIBRATION = "automatic_baseline_calibration"
-CONF_WARMUP_TIME = "warmup_time"
 CONF_DETECTION_RANGE = "detection_range"
 
 mhz19_ns = cg.esphome_ns.namespace("mhz19")

esphome/components/mipi_rgb/display.py

@@ -260,7 +260,7 @@ async def to_code(config):
         cg.add(var.set_enable_pins(enable))
 
     if CONF_SPI_ID in config:
-        await spi.register_spi_device(var, config)
+        await spi.register_spi_device(var, config, write_only=True)
         sequence, madctl = model.get_sequence(config)
         cg.add(var.set_init_sequence(sequence))
         cg.add(var.set_madctl(madctl))

esphome/components/mipi_spi/display.py

@@ -443,6 +443,4 @@ async def to_code(config):
         )
         cg.add(var.set_writer(lambda_))
     await display.register_display(var, config)
-    await spi.register_spi_device(var, config)
-    # Displays are write-only, set the SPI device to write-only as well
-    cg.add(var.set_write_only(True))
+    await spi.register_spi_device(var, config, write_only=True)

esphome/components/pcd8544/display.py

@@ -44,7 +44,7 @@ async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
 
     await display.register_display(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
     cg.add(var.set_dc_pin(dc))

esphome/components/qspi_dbi/display.py

@@ -161,7 +161,7 @@ CONFIG_SCHEMA = cv.All(
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await display.register_display(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     chip = DriverChip.chips[config[CONF_MODEL]]
     if chip.initsequence:

esphome/components/socket/socket.cpp

@@ -46,15 +46,15 @@ static inline const char *esphome_inet_ntop6(const void *addr, char *buf, size_t
 #endif
 
 // Format sockaddr into caller-provided buffer, returns length written (excluding null)
-static size_t format_sockaddr_to(const struct sockaddr_storage &storage, std::span<char, SOCKADDR_STR_LEN> buf) {
-  if (storage.ss_family == AF_INET) {
-    const auto *addr = reinterpret_cast<const struct sockaddr_in *>(&storage);
+size_t format_sockaddr_to(const struct sockaddr *addr_ptr, socklen_t len, std::span<char, SOCKADDR_STR_LEN> buf) {
+  if (addr_ptr->sa_family == AF_INET && len >= sizeof(const struct sockaddr_in)) {
+    const auto *addr = reinterpret_cast<const struct sockaddr_in *>(addr_ptr);
     if (esphome_inet_ntop4(&addr->sin_addr, buf.data(), buf.size()) != nullptr)
       return strlen(buf.data());
   }
 #if USE_NETWORK_IPV6
-  else if (storage.ss_family == AF_INET6) {
-    const auto *addr = reinterpret_cast<const struct sockaddr_in6 *>(&storage);
+  else if (addr_ptr->sa_family == AF_INET6 && len >= sizeof(sockaddr_in6)) {
+    const auto *addr = reinterpret_cast<const struct sockaddr_in6 *>(addr_ptr);
 #ifndef USE_SOCKET_IMPL_LWIP_TCP
     // Format IPv4-mapped IPv6 addresses as regular IPv4 (not supported on ESP8266 raw TCP)
     if (addr->sin6_addr.un.u32_addr[0] == 0 && addr->sin6_addr.un.u32_addr[1] == 0 &&
@@ -78,7 +78,7 @@ size_t Socket::getpeername_to(std::span<char, SOCKADDR_STR_LEN> buf) {
     buf[0] = '\0';
     return 0;
   }
-  return format_sockaddr_to(storage, buf);
+  return format_sockaddr_to(reinterpret_cast<struct sockaddr *>(&storage), len, buf);
 }
 
 size_t Socket::getsockname_to(std::span<char, SOCKADDR_STR_LEN> buf) {
@@ -88,7 +88,7 @@ size_t Socket::getsockname_to(std::span<char, SOCKADDR_STR_LEN> buf) {
     buf[0] = '\0';
     return 0;
   }
-  return format_sockaddr_to(storage, buf);
+  return format_sockaddr_to(reinterpret_cast<struct sockaddr *>(&storage), len, buf);
 }
 
 std::unique_ptr<Socket> socket_ip(int type, int protocol) {

esphome/components/socket/socket.h

@@ -102,6 +102,9 @@ inline socklen_t set_sockaddr(struct sockaddr *addr, socklen_t addrlen, const st
 /// Set a sockaddr to the any address and specified port for the IP version used by socket_ip().
 socklen_t set_sockaddr_any(struct sockaddr *addr, socklen_t addrlen, uint16_t port);
 
+/// Format sockaddr into caller-provided buffer, returns length written (excluding null)
+size_t format_sockaddr_to(const struct sockaddr *addr_ptr, socklen_t len, std::span<char, SOCKADDR_STR_LEN> buf);
+
 #if defined(USE_ESP8266) && defined(USE_SOCKET_IMPL_LWIP_TCP)
 /// Delay that can be woken early by socket activity.
 /// On ESP8266, lwip callbacks set a flag and call esp_schedule() to wake the delay.

esphome/components/spi/__init__.py

@@ -39,6 +39,7 @@ from esphome.const import (
 )
 from esphome.core import CORE, CoroPriority, coroutine_with_priority
 import esphome.final_validate as fv
+from esphome.types import ConfigType
 
 CODEOWNERS = ["@esphome/core", "@clydebarrow"]
 spi_ns = cg.esphome_ns.namespace("spi")
@@ -448,9 +449,13 @@ def spi_device_schema(
     )
 
 
-async def register_spi_device(var, config):
+async def register_spi_device(
+    var: cg.Pvariable, config: ConfigType, write_only: bool = False
+) -> None:
     parent = await cg.get_variable(config[CONF_SPI_ID])
     cg.add(var.set_spi_parent(parent))
+    if write_only:
+        cg.add(var.set_write_only(True))
     if cs_pin := config.get(CONF_CS_PIN):
         pin = await cg.gpio_pin_expression(cs_pin)
         cg.add(var.set_cs_pin(pin))

esphome/components/spi/spi_esp_idf.cpp

@@ -195,8 +195,11 @@ class SPIDelegateHw : public SPIDelegate {
     config.post_cb = nullptr;
     if (this->bit_order_ == BIT_ORDER_LSB_FIRST)
       config.flags |= SPI_DEVICE_BIT_LSBFIRST;
-    if (this->write_only_)
+    if (this->write_only_) {
       config.flags |= SPI_DEVICE_HALFDUPLEX | SPI_DEVICE_NO_DUMMY;
+      ESP_LOGD(TAG, "SPI device with CS pin %d using half-duplex mode (write-only)",
+               Utility::get_pin_no(this->cs_pin_));
+    }
     esp_err_t const err = spi_bus_add_device(this->channel_, &config, &this->handle_);
     if (err != ESP_OK) {
       ESP_LOGE(TAG, "Add device failed - err %X", err);

esphome/components/ssd1306_spi/display.py

@@ -32,7 +32,7 @@ FINAL_VALIDATE_SCHEMA = spi.final_validate_device_schema(
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await ssd1306_base.setup_ssd1306(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
     cg.add(var.set_dc_pin(dc))

esphome/components/ssd1322_spi/display.py

@@ -32,7 +32,7 @@ FINAL_VALIDATE_SCHEMA = spi.final_validate_device_schema(
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await ssd1322_base.setup_ssd1322(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
     cg.add(var.set_dc_pin(dc))

esphome/components/ssd1325_spi/display.py

@@ -32,7 +32,7 @@ FINAL_VALIDATE_SCHEMA = spi.final_validate_device_schema(
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await ssd1325_base.setup_ssd1325(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
     cg.add(var.set_dc_pin(dc))

esphome/components/ssd1327_spi/display.py

@@ -32,7 +32,7 @@ FINAL_VALIDATE_SCHEMA = spi.final_validate_device_schema(
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await ssd1327_base.setup_ssd1327(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
     cg.add(var.set_dc_pin(dc))

esphome/components/ssd1331_spi/display.py

@@ -32,7 +32,7 @@ FINAL_VALIDATE_SCHEMA = spi.final_validate_device_schema(
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await ssd1331_base.setup_ssd1331(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
     cg.add(var.set_dc_pin(dc))

esphome/components/ssd1351_spi/display.py

@@ -32,7 +32,7 @@ FINAL_VALIDATE_SCHEMA = spi.final_validate_device_schema(
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await ssd1351_base.setup_ssd1351(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
     cg.add(var.set_dc_pin(dc))

esphome/components/st7567_spi/display.py

@@ -32,7 +32,7 @@ FINAL_VALIDATE_SCHEMA = spi.final_validate_device_schema(
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await st7567_base.setup_st7567(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
     cg.add(var.set_dc_pin(dc))

esphome/components/st7701s/display.py

@@ -173,7 +173,7 @@ FINAL_VALIDATE_SCHEMA = spi.final_validate_device_schema(
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await display.register_display(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     sequence = []
     for seq in config[CONF_INIT_SEQUENCE]:

esphome/components/st7735/display.py

@@ -99,7 +99,7 @@ async def to_code(config):
         config[CONF_INVERT_COLORS],
     )
     await setup_st7735(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
     cg.add(var.set_dc_pin(dc))

esphome/components/st7789v/display.py

@@ -177,7 +177,7 @@ FINAL_VALIDATE_SCHEMA = spi.final_validate_device_schema(
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await display.register_display(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     cg.add(var.set_model_str(config[CONF_MODEL]))
 

esphome/components/st7920/display.py

@@ -28,7 +28,7 @@ CONFIG_SCHEMA = (
 
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     if CONF_LAMBDA in config:
         lambda_ = await cg.process_lambda(

esphome/components/waveshare_epaper/display.py

@@ -239,7 +239,7 @@ async def to_code(config):
         raise NotImplementedError()
 
     await display.register_display(var, config)
-    await spi.register_spi_device(var, config)
+    await spi.register_spi_device(var, config, write_only=True)
 
     dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
     cg.add(var.set_dc_pin(dc))

esphome/components/wifi/wifi_component_libretiny.cpp

@@ -460,13 +460,15 @@ void WiFiComponent::wifi_process_event_(LTWiFiEvent *event) {
         listener->on_wifi_connect_state(StringRef(it.ssid, it.ssid_len), it.bssid);
       }
 #endif
-      // For static IP configurations, GOT_IP event may not fire, so notify IP listeners here
-#if defined(USE_WIFI_IP_STATE_LISTENERS) && defined(USE_WIFI_MANUAL_IP)
+      // For static IP configurations, GOT_IP event may not fire, so set connected state here
+#ifdef USE_WIFI_MANUAL_IP
       if (const WiFiAP *config = this->get_selected_sta_(); config && config->get_manual_ip().has_value()) {
         s_sta_state = LTWiFiSTAState::CONNECTED;
+#ifdef USE_WIFI_IP_STATE_LISTENERS
         for (auto *listener : this->ip_state_listeners_) {
           listener->on_ip_state(this->wifi_sta_ip_addresses(), this->get_dns_address(0), this->get_dns_address(1));
         }
+#endif
       }
 #endif
       break;

esphome/components/zephyr/gpio.h

@@ -2,7 +2,7 @@
 
 #ifdef USE_ZEPHYR
 #include "esphome/core/hal.h"
-struct device;
+#include <zephyr/device.h>
 namespace esphome {
 namespace zephyr {
 

esphome/const.py

@@ -1086,6 +1086,7 @@ CONF_WAKEUP_PIN = "wakeup_pin"
 CONF_WAND_ID = "wand_id"
 CONF_WARM_WHITE = "warm_white"
 CONF_WARM_WHITE_COLOR_TEMPERATURE = "warm_white_color_temperature"
+CONF_WARMUP_TIME = "warmup_time"
 CONF_WATCHDOG_THRESHOLD = "watchdog_threshold"
 CONF_WATCHDOG_TIMEOUT = "watchdog_timeout"
 CONF_WATER_HEATER = "water_heater"

esphome/core/helpers.h

@@ -17,6 +17,8 @@
 #include <vector>
 #include <concepts>
 
+#include <strings.h>
+
 #include "esphome/core/optional.h"
 
 #ifdef USE_ESP8266
@@ -572,6 +574,10 @@ template<typename T> constexpr T convert_little_endian(T val) {
 bool str_equals_case_insensitive(const std::string &a, const std::string &b);
 /// Compare StringRefs for equality in case-insensitive manner.
 bool str_equals_case_insensitive(StringRef a, StringRef b);
+/// Compare C strings for equality in case-insensitive manner (no heap allocation).
+inline bool str_equals_case_insensitive(const char *a, const char *b) { return strcasecmp(a, b) == 0; }
+inline bool str_equals_case_insensitive(const std::string &a, const char *b) { return strcasecmp(a.c_str(), b) == 0; }
+inline bool str_equals_case_insensitive(const char *a, const std::string &b) { return strcasecmp(a, b.c_str()) == 0; }
 
 /// Check whether a string starts with a value.
 bool str_startswith(const std::string &str, const std::string &start);

esphome/idf_component.yml

@@ -1,6 +1,8 @@
 dependencies:
   bblanchon/arduinojson:
     version: "7.4.2"
+  esphome/esp-audio-libs:
+    version: 2.0.3
   espressif/esp-tflite-micro:
     version: 1.3.3~1
   espressif/esp32-camera:

platformio.ini

@@ -84,7 +84,7 @@ lib_deps =
     fastled/FastLED@3.9.16                                ; fastled_base
     freekode/TM1651@1.0.1                                 ; tm1651
     dudanov/MideaUART@1.1.9                               ; midea
-    tonia/HeatpumpIR@1.0.37                               ; heatpumpir
+    tonia/HeatpumpIR@1.0.40                               ; heatpumpir
 build_flags =
     ${common.build_flags}
     -DUSE_ARDUINO
@@ -154,7 +154,6 @@ lib_deps =
     makuna/NeoPixelBus@2.8.0             ; neopixelbus
     esphome/ESP32-audioI2S@2.3.0         ; i2s_audio
     droscy/esp_wireguard@0.4.2           ; wireguard
-    esphome/esp-audio-libs@2.0.1         ; audio
     kahrendt/ESPMicroSpeechFeatures@1.1.0  ; micro_wake_word
 
 build_flags =
@@ -178,7 +177,7 @@ lib_deps =
     ${common:idf.lib_deps}
     droscy/esp_wireguard@0.4.2              ; wireguard
     kahrendt/ESPMicroSpeechFeatures@1.1.0   ; micro_wake_word
-    esphome/esp-audio-libs@2.0.1            ; audio
+    tonia/HeatpumpIR@1.0.40                 ; heatpumpir
 build_flags =
     ${common:idf.build_flags}
     -Wno-nonnull-compare

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools==80.9.0", "wheel>=0.43,<0.46"]
+requires = ["setuptools==80.10.1", "wheel>=0.43,<0.46"]
 build-backend = "setuptools.build_meta"
 
 [project]

tests/components/debug/test.nrf52-adafruit.yaml

@@ -1 +1,5 @@
 <<: !include common.yaml
+
+nrf52:
+  reg0:
+    voltage: 2.1V

tests/components/heatpumpir/test.esp32-idf.yaml

@@ -0,0 +1,4 @@
+packages:
+  remote_transmitter: !include ../../test_build_components/common/remote_transmitter/esp32-idf.yaml
+
+<<: !include common.yaml