Snapshot of JC3636W518EN kit before demo folder cleanup

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

2-Program Example/Demo_Arduino/ST77916_LVGL_DEMO/ST77916_LVGL_DEMO.ino

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+#include "scr_st77916.h"
+#include "SD_MMC.h"
+
+#include "loligod.c"
+
+// https://randomnerdtutorials.com/esp32-client-server-wi-fi/
+#include <WiFi.h>
+#include <HTTPClient.h>
+
+const char* ssid = "ESP32-Access-Point";
+const char* password = "123456789";
+
+
+void my_print(const char* buf) {
+  Serial.println(buf);  // Print logs to the serial monitor
+}
+
+void display_animation() {
+  lv_obj_t* img;
+
+  LV_IMG_DECLARE(loligod);
+
+  img = lv_gif_create(lv_scr_act());
+
+  Serial.print("Available Heap before: ");
+  Serial.println(esp_get_free_heap_size());
+
+  lv_mem_monitor_t mem_mon;
+  lv_mem_monitor(&mem_mon);
+  printf("Free memory: %d bytes\n", mem_mon.free_size);
+
+  // lv_fs_file_t file;
+  // if (lv_fs_open(&file, "A:wallpaper.gif", LV_FS_MODE_RD) == LV_FS_RES_OK) {
+  //   lv_fs_close(&file);  // File exists, proceed with loading
+  //   lv_gif_set_src(img, "A:wallpaper.gif");
+  //   Serial.println("GIF Loaded Successfully");
+  // } else {
+  //   Serial.println("Failed to Load GIF: File not found or inaccessible");
+  // }
+  lv_gif_set_src(img, &loligod);
+
+  Serial.print("Available Heap after: ");
+  Serial.println(esp_get_free_heap_size());
+
+  lv_mem_monitor(&mem_mon);
+  printf("Free memory: %d bytes\n", mem_mon.free_size);
+
+  lv_obj_align(img, LV_ALIGN_CENTER, 0, 0);
+}
+
+lv_obj_t* label1;
+
+void display_text() {
+  // Create a style for the text
+  static lv_style_t style_text;
+  lv_style_init(&style_text);
+
+  // Set the text color to white
+  lv_style_set_text_color(&style_text, lv_color_white());
+
+  // // Set the shadow color to black (this will simulate the outline)
+  // lv_style_set_shadow_color(&style_text, lv_color_black());
+
+  // // Set the shadow width to create the outline effect
+  // lv_style_set_shadow_width(&style_text, 2);  // Adjust for desired outline thickness
+
+  // // Set the shadow offset to 0 so it surrounds the text evenly
+  // lv_style_set_shadow_ofs_x(&style_text, 0);
+  // lv_style_set_shadow_ofs_y(&style_text, 0);
+
+  label1 = lv_label_create(lv_scr_act());
+
+  // Apply the style to the label
+  lv_obj_add_style(label1, &style_text, LV_PART_MAIN);
+
+  // lv_style_set_text_font(&label1, &Montserrat);       /*Set a larger font*/
+  lv_label_set_long_mode(label1, LV_LABEL_LONG_WRAP); /*Break the long lines*/
+  lv_label_set_text(label1, "0");
+  lv_obj_set_width(label1, 150); /*Set smaller width to make the lines wrap*/
+  lv_obj_set_style_text_align(label1, LV_TEXT_ALIGN_CENTER, 0);
+  lv_obj_align(label1, LV_ALIGN_CENTER, 0, 0);
+  // lv_obj_set_style_transform_zoom(label1, 256 * 2, 0);  // Zoom: 256 = 1x scale (default)
+}
+
+void connectToWifi() {
+  WiFi.begin(ssid, password);
+  Serial.println("Connecting");
+  if (WiFi.status() != WL_CONNECTED) {
+    Serial.println("Wifi not connected");
+    return;
+  }
+  int timeout = 0;
+  while (WiFi.status() != WL_CONNECTED && timeout <= 20) {
+    timeout++;
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println("");
+  Serial.print("Connected to WiFi network with IP Address: ");
+  Serial.println(WiFi.localIP());
+}
+
+void setup() {
+  delay(200);
+  Serial.begin(115200);
+  scr_lvgl_init();
+
+  lv_init();
+
+  //lv_log_register_print_cb(my_print);  // Register print function for LVGL logs
+
+  // Get the active screen (root object for the display)
+  lv_obj_t* screen = lv_scr_act();
+
+  // Set the background color of the entire screen to black
+  lv_obj_set_style_bg_color(screen, lv_color_black(), 0);  // 0 is the part ID for the main part
+  lv_obj_set_style_bg_opa(screen, LV_OPA_COVER, 0);        // Set opacity to fully opaque
+
+  // Configure the SDMMC host
+  SD_MMC.setPins(SD_MMC_CLK_PIN, SD_MMC_CMD_PIN, SD_MMC_D0_PIN, SD_MMC_D1_PIN, SD_MMC_D2_PIN, SD_MMC_D3_PIN);
+
+  if (!SD_MMC.begin()) {
+    Serial.println("Card Mount Failed");
+    return;
+  }
+
+  uint8_t cardType = SD_MMC.cardType();
+  if (cardType == CARD_NONE) {
+    Serial.println("No SD card attached");
+    return;
+  }
+
+  Serial.println("SD Card initialized successfully.");
+
+  display_animation();
+
+  //connectToWifi();
+
+  //display_text();
+}
+
+void loop() {
+  lv_timer_handler();
+  vTaskDelay(5);
+
+  lv_mem_monitor_t mem_mon;
+  lv_mem_monitor(&mem_mon);
+  printf("Free memory: %d bytes\n", mem_mon.free_size);
+
+  Serial.print("Available Heap: ");
+  Serial.println(esp_get_free_heap_size());
+
+
+  // if (WiFi.status() == WL_CONNECTED) {
+  //   String speed = httpGETRequest("http://192.168.4.1/speed");
+
+  //   Serial.print("Speed: ");
+  //   Serial.println(speed);
+
+  //   lv_label_set_text(label1, speed.c_str());
+  // } else {
+  //   Serial.println("WiFi Disconnected");
+  //   connectToWifi();
+  // }
+}
+
+
+String httpGETRequest(const char* serverName) {
+  WiFiClient client;
+  HTTPClient http;
+
+  // Your Domain name with URL path or IP address with path
+  http.begin(client, serverName);
+
+  // Send HTTP POST request
+  int httpResponseCode = http.GET();
+
+  String payload = "--";
+
+  if (httpResponseCode > 0) {
+    Serial.print("HTTP Response code: ");
+    Serial.println(httpResponseCode);
+    payload = http.getString();
+  } else {
+    Serial.print("Error code: ");
+    Serial.println(httpResponseCode);
+  }
+  // Free resources
+  http.end();
+
+  return payload;
+}