[nextion] Use persistent http connection for TFT upload (ESP-IDF) (#6576)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

CODEOWNERS

@@ -242,7 +242,7 @@ esphome/components/mpl3115a2/* @kbickar
 esphome/components/mpu6886/* @fabaff
 esphome/components/ms8607/* @e28eta
 esphome/components/network/* @esphome/core
-esphome/components/nextion/* @senexcrenshaw
+esphome/components/nextion/* @edwardtfn @senexcrenshaw
 esphome/components/nextion/binary_sensor/* @senexcrenshaw
 esphome/components/nextion/sensor/* @senexcrenshaw
 esphome/components/nextion/switch/* @senexcrenshaw

esphome/components/nextion/display.py

@@ -25,7 +25,7 @@ from .base_component import (
     CONF_EXIT_REPARSE_ON_START,
 )
 
-CODEOWNERS = ["@senexcrenshaw"]
+CODEOWNERS = ["@senexcrenshaw", "@edwardtfn"]
 
 DEPENDENCIES = ["uart"]
 AUTO_LOAD = ["binary_sensor", "switch", "sensor", "text_sensor"]

esphome/components/nextion/nextion.h

@@ -1013,7 +1013,7 @@ class Nextion : public NextionBase, public PollingComponent, public uart::UARTDe
    */
   bool upload_tft(uint32_t baud_rate = 0, bool exit_reparse = true);
 
-#endif
+#endif  // USE_NEXTION_TFT_UPLOAD
 
   void dump_config() override;
 
@@ -1142,6 +1142,7 @@ class Nextion : public NextionBase, public PollingComponent, public uart::UARTDe
    * Sends commands ignoring of the Nextion has been setup.
    */
   bool ignore_is_setup_ = false;
+
   bool nextion_reports_is_setup_ = false;
   uint8_t nextion_event_;
 
@@ -1182,7 +1183,7 @@ class Nextion : public NextionBase, public PollingComponent, public uart::UARTDe
   WiFiClient *wifi_client_{nullptr};
   BearSSL::WiFiClientSecure *wifi_client_secure_{nullptr};
   WiFiClient *get_wifi_client_();
-#endif
+#endif  // USE_ESP8266
   std::string tft_url_;
   uint32_t content_length_ = 0;
   int tft_size_ = 0;
@@ -1193,11 +1194,21 @@ class Nextion : public NextionBase, public PollingComponent, public uart::UARTDe
   /**
    * will request chunk_size chunks from the web server
    * and send each to the nextion
-   * @param HTTPClient http HTTP client handler.
+   * @param HTTPClient http_client HTTP client handler.
    * @param int range_start Position of next byte to transfer.
    * @return position of last byte transferred, -1 for failure.
    */
   int upload_by_chunks_(HTTPClient &http_client, uint32_t &range_start);
+#elif defined(USE_ESP_IDF)
+  /**
+   * will request 4096 bytes chunks from the web server
+   * and send each to Nextion
+   * @param esp_http_client_handle_t http_client HTTP client handler.
+   * @param int range_start Position of next byte to transfer.
+   * @return position of last byte transferred, -1 for failure.
+   */
+  int upload_by_chunks_(esp_http_client_handle_t http_client, uint32_t &range_start);
+#endif  // ARDUINO vs USE_ESP_IDF
 
   /**
    * Ends the upload process, restart Nextion and, if successful,
@@ -1207,24 +1218,6 @@ class Nextion : public NextionBase, public PollingComponent, public uart::UARTDe
    */
   bool upload_end_(bool successful);
 
-#elif defined(USE_ESP_IDF)
-  /**
-   * will request 4096 bytes chunks from the web server
-   * and send each to Nextion
-   * @param std::string url Full url for download.
-   * @param int range_start Position of next byte to transfer.
-   * @return position of last byte transferred, -1 for failure.
-   */
-  int upload_range(const std::string &url, int range_start);
-
-  /**
-   * Ends the upload process, restart Nextion and, if successful,
-   * restarts ESP
-   * @param bool url successful True: Transfer completed successfuly, False: Transfer failed.
-   * @return bool True: Transfer completed successfuly, False: Transfer failed.
-   */
-  bool upload_end(bool successful);
-#endif  // ARDUINO vs USE_ESP_IDF
   /**
    * Returns the ESP Free Heap memory. This is framework independent.
    * @return Free Heap in bytes.
@@ -1260,7 +1253,7 @@ class Nextion : public NextionBase, public PollingComponent, public uart::UARTDe
 
 #ifdef NEXTION_PROTOCOL_LOG
   void print_queue_members_();
-#endif
+#endif  // NEXTION_PROTOCOL_LOG
   void reset_(bool reset_nextion = true);
 
   std::string command_data_;

esphome/components/nextion/nextion_upload_idf.cpp

@@ -1,17 +1,16 @@
 #include "nextion.h"
 
-#ifdef USE_ESP_IDF
 #ifdef USE_NEXTION_TFT_UPLOAD
+#ifdef USE_ESP_IDF
 
 #include "esphome/core/application.h"
 #include "esphome/core/defines.h"
 #include "esphome/core/util.h"
 #include "esphome/core/log.h"
 #include "esphome/components/network/util.h"
-
+#include <cinttypes>
 #include <esp_heap_caps.h>
 #include <esp_http_client.h>
-#include <cinttypes>
 
 namespace esphome {
 namespace nextion {
@@ -20,153 +19,147 @@ static const char *const TAG = "nextion.upload.idf";
 // Followed guide
 // https://unofficialnextion.com/t/nextion-upload-protocol-v1-2-the-fast-one/1044/2
 
-int Nextion::upload_range(const std::string &url, int range_start) {
+int Nextion::upload_by_chunks_(esp_http_client_handle_t http_client, uint32_t &range_start) {
-  ESP_LOGVV(TAG, "url: %s", url.c_str());
+  uint32_t range_size = this->tft_size_ - range_start;
-  uint range_size = this->tft_size_ - range_start;
+  ESP_LOGV(TAG, "Free heap: %" PRIu32, esp_get_free_heap_size());
-  ESP_LOGVV(TAG, "tft_size_: %i", this->tft_size_);
+  uint32_t range_end = ((upload_first_chunk_sent_ or this->tft_size_ < 4096) ? this->tft_size_ : 4096) - 1;
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+  ESP_LOGD(TAG, "Range start: %" PRIu32, range_start);
-  int range_end = (range_start == 0) ? std::min(this->tft_size_, 16383) : this->tft_size_;
   if (range_size <= 0 or range_end <= range_start) {
+    ESP_LOGD(TAG, "Range end: %" PRIu32, range_end);
+    ESP_LOGD(TAG, "Range size: %" PRIu32, range_size);
     ESP_LOGE(TAG, "Invalid range");
-    ESP_LOGD(TAG, "Range start: %i", range_start);
-    ESP_LOGD(TAG, "Range end: %i", range_end);
-    ESP_LOGD(TAG, "Range size: %i", range_size);
     return -1;
   }
 
-  esp_http_client_config_t config = {
+  char range_header[32];
-      .url = url.c_str(),
+  sprintf(range_header, "bytes=%" PRIu32 "-%" PRIu32, range_start, range_end);
-      .cert_pem = nullptr,
-      .disable_auto_redirect = false,
-      .max_redirection_count = 10,
-  };
-  esp_http_client_handle_t client = esp_http_client_init(&config);
-
-  char range_header[64];
-  sprintf(range_header, "bytes=%d-%d", range_start, range_end);
   ESP_LOGV(TAG, "Requesting range: %s", range_header);
-  esp_http_client_set_header(client, "Range", range_header);
+  esp_http_client_set_header(http_client, "Range", range_header);
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+  ESP_LOGV(TAG, "Opening HTTP connetion");
-
-  ESP_LOGV(TAG, "Opening http connetion");
   esp_err_t err;
-  if ((err = esp_http_client_open(client, 0)) != ESP_OK) {
+  if ((err = esp_http_client_open(http_client, 0)) != ESP_OK) {
     ESP_LOGE(TAG, "Failed to open HTTP connection: %s", esp_err_to_name(err));
-    esp_http_client_cleanup(client);
     return -1;
   }
 
   ESP_LOGV(TAG, "Fetch content length");
-  int content_length = esp_http_client_fetch_headers(client);
+  const int chunk_size = esp_http_client_fetch_headers(http_client);
-  ESP_LOGV(TAG, "content_length = %d", content_length);
+  ESP_LOGV(TAG, "content_length = %d", chunk_size);
-  if (content_length <= 0) {
+  if (chunk_size <= 0) {
-    ESP_LOGE(TAG, "Failed to get content length: %d", content_length);
+    ESP_LOGE(TAG, "Failed to get chunk's content length: %d", chunk_size);
-    esp_http_client_cleanup(client);
     return -1;
   }
 
-  int total_read_len = 0, read_len;
+  // Allocate the buffer dynamically
-
+  ExternalRAMAllocator<uint8_t> allocator(ExternalRAMAllocator<uint8_t>::ALLOW_FAILURE);
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+  uint8_t *buffer = allocator.allocate(4096);
-  ESP_LOGV(TAG, "Allocate buffer");
+  if (!buffer) {
-  uint8_t *buffer = new uint8_t[4096];
+    ESP_LOGE(TAG, "Failed to allocate upload buffer");
-  std::string recv_string;
+    return -1;
-  if (buffer == nullptr) {
-    ESP_LOGE(TAG, "Failed to allocate memory for buffer");
-    ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
-  } else {
-    ESP_LOGV(TAG, "Memory for buffer allocated successfully");
-
-    while (true) {
-      App.feed_wdt();
-      ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
-      int read_len = esp_http_client_read(client, reinterpret_cast<char *>(buffer), 4096);
-      ESP_LOGVV(TAG, "Read %d bytes from HTTP client, writing to UART", read_len);
-      if (read_len > 0) {
-        this->write_array(buffer, read_len);
-        ESP_LOGVV(TAG, "Write to UART successful");
-        this->recv_ret_string_(recv_string, 5000, true);
-        this->content_length_ -= read_len;
-        ESP_LOGD(TAG, "Uploaded %0.2f %%, remaining %d bytes, heap is %" PRIu32 " bytes",
-                 100.0 * (this->tft_size_ - this->content_length_) / this->tft_size_, this->content_length_,
-                 esp_get_free_heap_size());
-
-        if (recv_string[0] == 0x08 && recv_string.size() == 5) {  // handle partial upload request
-          ESP_LOGD(
-              TAG, "recv_string [%s]",
-              format_hex_pretty(reinterpret_cast<const uint8_t *>(recv_string.data()), recv_string.size()).c_str());
-          uint32_t result = 0;
-          for (int j = 0; j < 4; ++j) {
-            result += static_cast<uint8_t>(recv_string[j + 1]) << (8 * j);
-          }
-          if (result > 0) {
-            ESP_LOGI(TAG, "Nextion reported new range %" PRIu32, result);
-            this->content_length_ = this->tft_size_ - result;
-            // Deallocate the buffer when done
-            ESP_LOGV(TAG, "Deallocate buffer");
-            ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
-            delete[] buffer;
-            ESP_LOGVV(TAG, "Memory for buffer deallocated");
-            ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
-            ESP_LOGV(TAG, "Close http client");
-            ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
-            esp_http_client_close(client);
-            esp_http_client_cleanup(client);
-            ESP_LOGVV(TAG, "Client closed");
-            ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
-            return result;
-          }
-        } else if (recv_string[0] != 0x05) {  // 0x05 == "ok"
-          ESP_LOGE(
-              TAG, "Invalid response from Nextion: [%s]",
-              format_hex_pretty(reinterpret_cast<const uint8_t *>(recv_string.data()), recv_string.size()).c_str());
-          ESP_LOGV(TAG, "Deallocate buffer");
-          ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
-          delete[] buffer;
-          ESP_LOGVV(TAG, "Memory for buffer deallocated");
-          ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
-          ESP_LOGV(TAG, "Close http client");
-          ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
-          esp_http_client_close(client);
-          esp_http_client_cleanup(client);
-          ESP_LOGVV(TAG, "Client closed");
-          ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
-          return -1;
-        }
-
-        recv_string.clear();
-      } else if (read_len == 0) {
-        ESP_LOGV(TAG, "End of HTTP response reached");
-        break;  // Exit the loop if there is no more data to read
-      } else {
-        ESP_LOGE(TAG, "Failed to read from HTTP client, error code: %d", read_len);
-        break;  // Exit the loop on error
-      }
-    }
-
-    // Deallocate the buffer when done
-    ESP_LOGV(TAG, "Deallocate buffer");
-    ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
-    delete[] buffer;
-    ESP_LOGVV(TAG, "Memory for buffer deallocated");
-    ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
   }
-  ESP_LOGV(TAG, "Close http client");
+
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+  std::string recv_string;
-  esp_http_client_close(client);
+  while (true) {
-  esp_http_client_cleanup(client);
+    App.feed_wdt();
-  ESP_LOGVV(TAG, "Client closed");
+    const uint16_t buffer_size =
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+        this->content_length_ < 4096 ? this->content_length_ : 4096;  // Limits buffer to the remaining data
+    ESP_LOGV(TAG, "Fetching %" PRIu16 " bytes from HTTP", buffer_size);
+    uint16_t read_len = 0;
+    int partial_read_len = 0;
+    uint8_t retries = 0;
+    // Attempt to read the chunk with retries.
+    while (retries < 5 && read_len < buffer_size) {
+      partial_read_len =
+          esp_http_client_read(http_client, reinterpret_cast<char *>(buffer) + read_len, buffer_size - read_len);
+      if (partial_read_len > 0) {
+        read_len += partial_read_len;  // Accumulate the total read length.
+        // Reset retries on successful read.
+        retries = 0;
+      } else {
+        // If no data was read, increment retries.
+        retries++;
+        vTaskDelay(pdMS_TO_TICKS(2));  // NOLINT
+      }
+      App.feed_wdt();  // Feed the watchdog timer.
+    }
+    if (read_len != buffer_size) {
+      // Did not receive the full package within the timeout period
+      ESP_LOGE(TAG, "Failed to read full package, received only %" PRIu16 " of %" PRIu16 " bytes", read_len,
+               buffer_size);
+      // Deallocate buffer
+      allocator.deallocate(buffer, 4096);
+      buffer = nullptr;
+      return -1;
+    }
+    ESP_LOGV(TAG, "%d bytes fetched, writing it to UART", read_len);
+    if (read_len > 0) {
+      recv_string.clear();
+      this->write_array(buffer, buffer_size);
+      App.feed_wdt();
+      this->recv_ret_string_(recv_string, upload_first_chunk_sent_ ? 500 : 5000, true);
+      this->content_length_ -= read_len;
+      const float upload_percentage = 100.0f * (this->tft_size_ - this->content_length_) / this->tft_size_;
+#ifdef USE_PSRAM
+      ESP_LOGD(
+          TAG,
+          "Uploaded %0.2f%%, remaining %" PRIu32 " bytes, free heap: %" PRIu32 " (DRAM) + %" PRIu32 " (PSRAM) bytes",
+          upload_percentage, this->content_length_, static_cast<uint32_t>(heap_caps_get_free_size(MALLOC_CAP_INTERNAL)),
+          static_cast<uint32_t>(heap_caps_get_free_size(MALLOC_CAP_SPIRAM)));
+#else
+      ESP_LOGD(TAG, "Uploaded %0.2f%%, remaining %" PRIu32 " bytes, free heap: %" PRIu32 " bytes", upload_percentage,
+               this->content_length_, static_cast<uint32_t>(esp_get_free_heap_size()));
+#endif
+      upload_first_chunk_sent_ = true;
+      if (recv_string[0] == 0x08 && recv_string.size() == 5) {  // handle partial upload request
+        ESP_LOGD(TAG, "recv_string [%s]",
+                 format_hex_pretty(reinterpret_cast<const uint8_t *>(recv_string.data()), recv_string.size()).c_str());
+        uint32_t result = 0;
+        for (int j = 0; j < 4; ++j) {
+          result += static_cast<uint8_t>(recv_string[j + 1]) << (8 * j);
+        }
+        if (result > 0) {
+          ESP_LOGI(TAG, "Nextion reported new range %" PRIu32, result);
+          this->content_length_ = this->tft_size_ - result;
+          range_start = result;
+        } else {
+          range_start = range_end + 1;
+        }
+        // Deallocate buffer
+        allocator.deallocate(buffer, 4096);
+        buffer = nullptr;
+        return range_end + 1;
+      } else if (recv_string[0] != 0x05 and recv_string[0] != 0x08) {  // 0x05 == "ok"
+        ESP_LOGE(TAG, "Invalid response from Nextion: [%s]",
+                 format_hex_pretty(reinterpret_cast<const uint8_t *>(recv_string.data()), recv_string.size()).c_str());
+        // Deallocate buffer
+        allocator.deallocate(buffer, 4096);
+        buffer = nullptr;
+        return -1;
+      }
+
+      recv_string.clear();
+    } else if (read_len == 0) {
+      ESP_LOGV(TAG, "End of HTTP response reached");
+      break;  // Exit the loop if there is no more data to read
+    } else {
+      ESP_LOGE(TAG, "Failed to read from HTTP client, error code: %" PRIu16, read_len);
+      break;  // Exit the loop on error
+    }
+  }
+  range_start = range_end + 1;
+  // Deallocate buffer
+  allocator.deallocate(buffer, 4096);
+  buffer = nullptr;
   return range_end + 1;
 }
 
 bool Nextion::upload_tft(uint32_t baud_rate, bool exit_reparse) {
   ESP_LOGD(TAG, "Nextion TFT upload requested");
   ESP_LOGD(TAG, "Exit reparse: %s", YESNO(exit_reparse));
-  ESP_LOGD(TAG, "url: %s", this->tft_url_.c_str());
+  ESP_LOGD(TAG, "URL: %s", this->tft_url_.c_str());
 
   if (this->is_updating_) {
-    ESP_LOGW(TAG, "Currently updating");
+    ESP_LOGW(TAG, "Currently uploading");
     return false;
   }
 
@@ -195,8 +188,8 @@ bool Nextion::upload_tft(uint32_t baud_rate, bool exit_reparse) {
   ESP_LOGD(TAG, "Baud rate: %" PRIu32, baud_rate);
 
   // Define the configuration for the HTTP client
-  ESP_LOGV(TAG, "Establishing connection to HTTP server");
+  ESP_LOGV(TAG, "Initializing HTTP client");
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+  ESP_LOGV(TAG, "Free heap: %" PRIu32, esp_get_free_heap_size());
   esp_http_client_config_t config = {
       .url = this->tft_url_.c_str(),
       .cert_pem = nullptr,
@@ -205,58 +198,62 @@ bool Nextion::upload_tft(uint32_t baud_rate, bool exit_reparse) {
       .disable_auto_redirect = false,
       .max_redirection_count = 10,
   };
-
   // Initialize the HTTP client with the configuration
-  ESP_LOGV(TAG, "Initializing HTTP client");
+  esp_http_client_handle_t http_client = esp_http_client_init(&config);
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+  if (!http_client) {
-  esp_http_client_handle_t http = esp_http_client_init(&config);
-  if (!http) {
     ESP_LOGE(TAG, "Failed to initialize HTTP client.");
-    return this->upload_end(false);
+    return this->upload_end_(false);
+  }
+
+  esp_err_t err = esp_http_client_set_header(http_client, "Connection", "keep-alive");
+  if (err != ESP_OK) {
+    ESP_LOGE(TAG, "HTTP set header failed: %s", esp_err_to_name(err));
+    esp_http_client_cleanup(http_client);
+    return this->upload_end_(false);
   }
 
   // Perform the HTTP request
   ESP_LOGV(TAG, "Check if the client could connect");
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+  ESP_LOGV(TAG, "Free heap: %" PRIu32, esp_get_free_heap_size());
-  esp_err_t err = esp_http_client_perform(http);
+  err = esp_http_client_perform(http_client);
   if (err != ESP_OK) {
     ESP_LOGE(TAG, "HTTP request failed: %s", esp_err_to_name(err));
-    esp_http_client_cleanup(http);
+    esp_http_client_cleanup(http_client);
-    return this->upload_end(false);
+    return this->upload_end_(false);
   }
 
   // Check the HTTP Status Code
   ESP_LOGV(TAG, "Check the HTTP Status Code");
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+  ESP_LOGV(TAG, "Free heap: %" PRIu32, esp_get_free_heap_size());
-  int status_code = esp_http_client_get_status_code(http);
+  int status_code = esp_http_client_get_status_code(http_client);
-  ESP_LOGV(TAG, "HTTP Status Code: %d", status_code);
+  if (status_code != 200 && status_code != 206) {
-  size_t tft_file_size = esp_http_client_get_content_length(http);
+    return this->upload_end_(false);
-  ESP_LOGD(TAG, "TFT file size: %zu", tft_file_size);
+  }
 
-  ESP_LOGD(TAG, "Close HTTP connection");
+  this->tft_size_ = esp_http_client_get_content_length(http_client);
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
-  esp_http_client_close(http);
-  esp_http_client_cleanup(http);
-  ESP_LOGVV(TAG, "Connection closed");
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
 
-  if (tft_file_size < 4096) {
+  ESP_LOGD(TAG, "TFT file size: %zu bytes", this->tft_size_);
-    ESP_LOGE(TAG, "File size check failed. Size: %zu", tft_file_size);
+  if (this->tft_size_ < 4096 || this->tft_size_ > 134217728) {
-    return this->upload_end(false);
+    ESP_LOGE(TAG, "File size check failed.");
+    ESP_LOGD(TAG, "Close HTTP connection");
+    esp_http_client_close(http_client);
+    esp_http_client_cleanup(http_client);
+    ESP_LOGV(TAG, "Connection closed");
+    return this->upload_end_(false);
   } else {
     ESP_LOGV(TAG, "File size check passed. Proceeding...");
   }
-  this->content_length_ = tft_file_size;
+  this->content_length_ = this->tft_size_;
-  this->tft_size_ = tft_file_size;
 
-  ESP_LOGD(TAG, "Updating Nextion");
+  ESP_LOGD(TAG, "Uploading Nextion");
 
-  // The Nextion will ignore the update command if it is sleeping
+  // The Nextion will ignore the upload command if it is sleeping
   ESP_LOGV(TAG, "Wake-up Nextion");
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+  this->ignore_is_setup_ = true;
   this->send_command_("sleep=0");
-  this->set_backlight_brightness(1.0);
+  this->send_command_("dim=100");
   vTaskDelay(pdMS_TO_TICKS(250));  // NOLINT
+  ESP_LOGV(TAG, "Free heap: %" PRIu32, esp_get_free_heap_size());
 
   App.feed_wdt();
   char command[128];
@@ -267,14 +264,11 @@ bool Nextion::upload_tft(uint32_t baud_rate, bool exit_reparse) {
 
   // Clear serial receive buffer
   ESP_LOGV(TAG, "Clear serial receive buffer");
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+  this->reset_(false);
-  uint8_t d;
+  vTaskDelay(pdMS_TO_TICKS(250));  // NOLINT
-  while (this->available()) {
+  ESP_LOGV(TAG, "Free heap: %" PRIu32, esp_get_free_heap_size());
-    this->read_byte(&d);
-  };
 
-  ESP_LOGV(TAG, "Send update instruction: %s", command);
+  ESP_LOGV(TAG, "Send upload instruction: %s", command);
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
   this->send_command_(command);
 
   if (baud_rate != this->original_baud_rate_) {
@@ -288,41 +282,66 @@ bool Nextion::upload_tft(uint32_t baud_rate, bool exit_reparse) {
   this->recv_ret_string_(response, 5000, true);  // This can take some time to return
 
   // The Nextion display will, if it's ready to accept data, send a 0x05 byte.
-  ESP_LOGD(TAG, "Upgrade response is [%s] - %zu bytes",
+  ESP_LOGD(TAG, "Upgrade response is [%s] - %zu byte(s)",
            format_hex_pretty(reinterpret_cast<const uint8_t *>(response.data()), response.size()).c_str(),
            response.length());
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+  ESP_LOGV(TAG, "Free heap: %" PRIu32, esp_get_free_heap_size());
 
   if (response.find(0x05) != std::string::npos) {
-    ESP_LOGV(TAG, "Preparation for tft update done");
+    ESP_LOGV(TAG, "Preparation for TFT upload done");
   } else {
-    ESP_LOGE(TAG, "Preparation for tft update failed %d \"%s\"", response[0], response.c_str());
+    ESP_LOGE(TAG, "Preparation for TFT upload failed %d \"%s\"", response[0], response.c_str());
-    return this->upload_end(false);
+    ESP_LOGD(TAG, "Close HTTP connection");
+    esp_http_client_close(http_client);
+    esp_http_client_cleanup(http_client);
+    ESP_LOGV(TAG, "Connection closed");
+    return this->upload_end_(false);
   }
 
-  ESP_LOGD(TAG, "Updating tft from \"%s\" with a file size of %d, Heap Size %" PRIu32, this->tft_url_.c_str(),
+  ESP_LOGV(TAG, "Change the method to GET before starting the download");
-           content_length_, esp_get_free_heap_size());
+  esp_err_t set_method_result = esp_http_client_set_method(http_client, HTTP_METHOD_GET);
+  if (set_method_result != ESP_OK) {
+    ESP_LOGE(TAG, "Failed to set HTTP method to GET: %s", esp_err_to_name(set_method_result));
+    return this->upload_end_(false);
+  }
+
+  ESP_LOGD(TAG, "Uploading TFT to Nextion:");
+  ESP_LOGD(TAG, "  URL: %s", this->tft_url_.c_str());
+  ESP_LOGD(TAG, "  File size: %" PRIu32 " bytes", this->content_length_);
+  ESP_LOGD(TAG, "  Free heap: %" PRIu32, esp_get_free_heap_size());
+
+  // Proceed with the content download as before
 
   ESP_LOGV(TAG, "Starting transfer by chunks loop");
-  ESP_LOGVV(TAG, "Available heap: %" PRIu32, esp_get_free_heap_size());
+
-  int result = 0;
+  uint32_t position = 0;
-  while (content_length_ > 0) {
+  while (this->content_length_ > 0) {
-    result = upload_range(this->tft_url_.c_str(), result);
+    int upload_result = upload_by_chunks_(http_client, position);
-    if (result < 0) {
+    if (upload_result < 0) {
-      ESP_LOGE(TAG, "Error updating Nextion!");
+      ESP_LOGE(TAG, "Error uploading TFT to Nextion!");
-      return this->upload_end(false);
+      ESP_LOGD(TAG, "Close HTTP connection");
+      esp_http_client_close(http_client);
+      esp_http_client_cleanup(http_client);
+      ESP_LOGV(TAG, "Connection closed");
+      return this->upload_end_(false);
     }
     App.feed_wdt();
-    ESP_LOGV(TAG, "Heap Size %" PRIu32 ", Bytes left %d", esp_get_free_heap_size(), content_length_);
+    ESP_LOGV(TAG, "Free heap: %" PRIu32 ", Bytes left: %" PRIu32, esp_get_free_heap_size(), this->content_length_);
   }
 
-  ESP_LOGD(TAG, "Successfully updated Nextion!");
+  ESP_LOGD(TAG, "Successfully uploaded TFT to Nextion!");
 
-  return upload_end(true);
+  ESP_LOGD(TAG, "Close HTTP connection");
+  esp_http_client_close(http_client);
+  esp_http_client_cleanup(http_client);
+  ESP_LOGV(TAG, "Connection closed");
+  return this->upload_end_(true);
 }
 
-bool Nextion::upload_end(bool successful) {
+bool Nextion::upload_end_(bool successful) {
+  ESP_LOGD(TAG, "Nextion TFT upload finished: %s", YESNO(successful));
   this->is_updating_ = false;
+  this->ignore_is_setup_ = false;
 
   uint32_t baud_rate = this->parent_->get_baud_rate();
   if (baud_rate != this->original_baud_rate_) {
@@ -331,12 +350,12 @@ bool Nextion::upload_end(bool successful) {
     this->parent_->load_settings();
   }
 
-  ESP_LOGD(TAG, "Restarting Nextion");
-  this->soft_reset();
-  vTaskDelay(pdMS_TO_TICKS(1500));  // NOLINT
   if (successful) {
     ESP_LOGD(TAG, "Restarting ESPHome");
-    esp_restart();  // NOLINT(readability-static-accessed-through-instance)
+    delay(1500);  // NOLINT
+    arch_restart();
+  } else {
+    ESP_LOGE(TAG, "Nextion TFT upload failed");
   }
   return successful;
 }
@@ -344,5 +363,5 @@ bool Nextion::upload_end(bool successful) {
 }  // namespace nextion
 }  // namespace esphome
 
-#endif  // USE_NEXTION_TFT_UPLOAD
 #endif  // USE_ESP_IDF
+#endif  // USE_NEXTION_TFT_UPLOAD

esphome/core/defines.h

@@ -35,6 +35,7 @@
 #define USE_MDNS
 #define USE_MEDIA_PLAYER
 #define USE_MQTT
+#define USE_NEXTION_TFT_UPLOAD
 #define USE_NUMBER
 #define USE_DATETIME
 #define USE_DATETIME_DATE
@@ -64,7 +65,6 @@
 // Arduino-specific feature flags
 #ifdef USE_ARDUINO
 #define USE_CAPTIVE_PORTAL
-#define USE_NEXTION_TFT_UPLOAD
 #define USE_PROMETHEUS
 #define USE_WEBSERVER
 #define USE_WEBSERVER_PORT 80  // NOLINT