Support importing UI projects from EEZ Studio

README.md

@@ -128,4 +128,31 @@ The emulator support zoom and rotate the window at runtime. So you can easily zo
    LVGL tasks can overflow the default stack. Allocate a larger stack to ensure GUI stability.
 
 3. **Fine-tune `LV_BUFFER_LINE` for faster rendering**  
-   A larger draw buffer (more lines) reduces flush operations and improves drawing speed.
+   A larger draw buffer (more lines) reduces flush operations and improves drawing speed.
+
+4. **Use the standard C allocator for large pools**  
+   Set `LV_USE_STDLIB_MALLOC = LV_STDLIB_CLIB` to make LVGL call the system’s `malloc`/`free`, allowing bigger memory pools when required.
+
+
+## EEZ Studio – Key Notes
+
+1. **Choose the LVGL version and display resolution in the settings**  
+   <div align=center>
+   <img src="support/eez_studio_setting_01.png"width="70%">
+   </div>
+
+2. **Update LVGL header includes**  
+   <div align=center>
+   <img src="support/eez_studio_setting_02.png"width="70%">
+   </div>
+
+3. **Copy the eez studio project `ui` folder into `src` path**  
+   <div align=center>
+   <img src="support/eez_studio_ui_import.png"width="30%">
+   </div>
+
+4. **Uncomment `USE_EEZ_STUDIO` in the `platformio.ini` file**
+   ```bash
+   ; EEZ Studio Project
+   ; -D USE_EEZ_STUDIO
+   ```

platformio.ini

@@ -23,6 +23,9 @@ build_flags =
   -D LVGL_USE_V8=1  ; lvgl v8
   -D LVGL_USE_V9=0  ; lvgl v9
 
+  ; EEZ Studio Project
+  ; -D USE_EEZ_STUDIO
+
 lib_deps = 
 	https://github.com/m5stack/M5GFX#develop
   lvgl=https://github.com/lvgl/lvgl/archive/refs/tags/v8.4.0.zip  ; lvgl v8

src/user_app.cpp

@@ -2,25 +2,34 @@
 #include "lvgl_port_m5stack.hpp"
 #include "demos/lv_demos.h"
 
+#ifdef USE_EEZ_STUDIO
+#include "ui/ui.h"
+
+// EEZ Studio specific actions
+/*
+extern "C" void action_example_for_eez(lv_event_t* e)
+{
+    // Example action for EEZ Studio
+    // You can add your own logic here
+    // The following code demonstrates how to change the UI
+    lv_obj_t *label = lv_label_create(lv_scr_act());
+    lv_label_set_text(label, "Hello EEZ Studio!");
+}
+*/
+#endif
+
+
 void user_app(void)
 {
+#ifndef USE_EEZ_STUDIO
     // You can test the lvgl default demo
-    // /*
     if (lvgl_port_lock()) {
-#if LVGL_USE_V8 == 1
-        lv_demo_widgets();
-#elif LVGL_USE_V9 == 1
-        // lv_demo_widgets not work proerly with v9 for now :(
-#if defined(ARDUINO) && defined(ESP_PLATFORM)
         lv_demo_benchmark();
-#else
-        // lv_demo_stress not work properly with actual devices for now :(
-        lv_demo_stress();
-#endif
-#endif
+        // lv_demo_widgets();
+        // lv_demo_music();
+        // lv_demo_stress();
         lvgl_port_unlock();
     }
-    // */
 
     // Or you can create your own lvgl app here
     /*
@@ -35,4 +44,11 @@ void user_app(void)
         lvgl_port_unlock();
     }
     */
+#else
+    // Or you can initialize the UI for EEZ Studio if you are using it
+    if (lvgl_port_lock()) {
+        ui_init();
+        lvgl_port_unlock();
+    }
+#endif
 }

src/utility/lvgl_port_m5stack.cpp

@@ -2,6 +2,10 @@
 #include <cstdlib>  // for aligned_alloc
 #include <cstring>  // for memset
 
+#ifdef USE_EEZ_STUDIO
+#include "ui/ui.h"
+#endif
+
 #if defined(ARDUINO) && defined(ESP_PLATFORM)
 static SemaphoreHandle_t xGuiSemaphore;
 #elif !defined(ARDUINO) && (__has_include(<SDL2/SDL.h>) || __has_include(<SDL.h>))
@@ -28,6 +32,9 @@ static void lvgl_rtos_task(void *pvParameter)
     while (1) {
         if (pdTRUE == xSemaphoreTake(xGuiSemaphore, portMAX_DELAY)) {
             lv_timer_handler();
+#ifdef USE_EEZ_STUDIO
+            ui_tick();
+#endif
             xSemaphoreGive(xGuiSemaphore);
         }
         vTaskDelay(pdMS_TO_TICKS(10));