Tactility modules refactored (#13)

* refactor modules

* moved esp_lvgl_port to libs/

* added missing file

* fix for sim build

* various sim/pc fixes

* lvgl improvements

* added missing cmake files

libs/lvgl/env_support/rt-thread/squareline/README.md

@@ -0,0 +1,4 @@
+This folder is for LVGL SquareLine Studio
+
+SquareLine Studio can automatically put the generated C files into `ui` folder, so that rt-thread will automatically detect them; or, as a user, you can move the generated C files into `ui` folder manually.
+

libs/lvgl/env_support/rt-thread/squareline/SConscript

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+from building import *
+
+cwd = GetCurrentDir()
+src = Glob('*.c')
+inc = [cwd]
+ 
+# check if .h or .hpp files exsit
+def check_h_hpp_exsit(path):
+    file_dirs = os.listdir(path)
+    for file_dir in file_dirs:
+        if os.path.splitext(file_dir)[1] in ['.h', '.hpp']:
+            return True
+    return False
+ 
+sls_src_cwd = cwd
+for root, dirs, files in os.walk(sls_src_cwd):
+    for dir in dirs:
+        current_path = os.path.join(root, dir)
+        src = src + Glob(os.path.join(current_path,'*.c')) # add all .c files
+        if check_h_hpp_exsit(current_path): # add .h and .hpp path
+            inc = inc + [current_path]
+ 
+group = DefineGroup('LVGL-SquareLine', src, depend = ['PKG_USING_LVGL_SQUARELINE'], CPPPATH = inc)
+ 
+Return('group')

libs/lvgl/env_support/rt-thread/squareline/lv_ui_entry.c

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+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Change Logs:
+ * Date           Author        Notes
+ * 2022-05-13     Meco Man      First version
+ */
+
+#ifdef __RTTHREAD__
+
+void lv_user_gui_init(void)
+{
+    extern void ui_init(void);
+    ui_init();
+}
+
+#endif /* __RTTHREAD__ */

libs/lvgl/env_support/rt-thread/squareline/ui/lvgl/lvgl.h

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-11-20     Meco Man     The first version
+ */
+
+#ifdef __RTTHREAD__
+
+#include "../../../../../lvgl.h" /* back to the root folder's lvgl.h */
+
+#endif /* __RTTHREAD__ */