Merging upstream version 1.45.3+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

27 files changed, 3980 insertions, 0 deletions

diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/README.md b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/README.md
new file mode 100644
index 000000000..d79453c3e
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/README.md
@@ -0,0 +1,138 @@
+"gui" sample introduction
+==============
+This sample demonstrates that a graphic user interface application in WebAssembly programming with WAMR graphic library(WGL)  which is part of WAMR app-framework.
+
+Compared with the [littlevgl](../littlevgl) sample, WGL compiles LittlevGL source code into the WAMR runtime and defines a set of wrapper API's for exporting to Webassembly application.
+
+Below picture shows the WASM application is running on an STM board with an LCD touch panel.
+
+![WAMR UI SAMPLE](../../doc/pics/vgl_demo2.png "WAMR UI DEMO")
+
+ When user clicks the blue button, the WASM application increases the counter, and the latest counter value is displayed on the top banner of the touch panel. The number on top will plus one each second, and the number on the bottom will plus one when clicked.
+
+# Test on Linux
+
+Install required SDK and libraries
+--------------
+- 32 bit SDL(simple directmedia layer) (Note: only necessary when `WAMR_BUILD_TARGET` is set to `X86_32` when building WAMR runtime)
+Use apt-get:
+  ```bash
+  sudo apt-get install libsdl2-dev:i386
+  ```
+Or download source from www.libsdl.org:
+  ```bash
+  ./configure C_FLAGS=-m32 CXX_FLAGS=-m32 LD_FLAGS=-m32
+  make
+  sudo make install
+  ```
+- 64 bit SDL(simple directmedia layer) (Note: only necessary when `WAMR_BUILD_TARGET` is set to `X86_64` when building WAMR runtime)
+Use apt-get:
+
+  ```bash
+  sudo apt-get install libsdl2-dev
+  ```
+  Or download source from www.libsdl.org:
+  ```bash
+  ./configure
+  make
+  sudo make install
+  ```
+
+Build and Run
+--------------
+
+- Build
+  ```bash
+  ./build.sh
+  ```
+    All binaries are in "out", which contains "host_tool", "ui_decrease.wasm", "ui_increase.wasm" and "wasm_runtime_wgl".
+
+- Run WASM VM Linux applicaton & install WASM APP
+ First start wasm_runtime_wgl in server mode.
+  ```bash
+  ./wasm_runtime_wgl -s
+  ```
+ Then install wasm APP by using host tool.
+  ```bash
+  ./host_tool -i inc -f ui_increase.wasm
+  # or
+  ./host_tool -i dec -f ui_decrease.wasm
+  ```
+
+Test on Zephyr
+================================
+
+We can use a STM32 NUCLEO_F767ZI  board with ILI9341 display and XPT2046 touch screen to run the test. Then use host_tool to remotely install wasm app into STM32.
+- Build WASM VM into Zephyr system
+ a. clone zephyr source code
+Refer to  [Zephyr getting started](https://docs.zephyrproject.org/latest/getting_started/index.html).
+
+  ```bash
+  west init zephyrproject
+  cd zephyrproject/zephyr
+  git checkout zephyr-v2.3.0
+  cd ..
+  west update
+  ```
+ b. copy samples
+  ```bash
+  cd zephyr/samples
+  cp -a <wamr_root>/samples/gui/wasm-runtime-wgl wasm-runtime-wgl
+  cd wasm-runtime-wgl/zephyr_build
+  ```
+ c. create a link to wamr root dir
+  ```bash
+  ln -s <wamr_root> wamr
+  ```
+ d. build source code
+  ```bash
+  mkdir build && cd build
+  source ../../../../zephyr-env.sh
+  cmake -GNinja -DBOARD=nucleo_f767zi ..
+  ninja flash
+  ```
+
+- Hardware Connections
+
+```
++-------------------+-+------------------+
+|NUCLEO-F767ZI       | ILI9341  Display  |
++-------------------+-+------------------+
+| CN7.10             |         CLK       |
++-------------------+-+------------------+
+| CN7.12             |         MISO      |
++-------------------+-+------------------+
+| CN7.14             |         MOSI      |
++-------------------+-+------------------+
+| CN11.1             | CS1 for ILI9341   |
++-------------------+-+------------------+
+| CN11.2             |         D/C       |
++-------------------+-+------------------+
+| CN11.3             |         RESET     |
++-------------------+-+------------------+
+| CN9.25             |    PEN interrupt  |
++-------------------+-+------------------+
+| CN9.27             |  CS2 for XPT2046  |
++-------------------+-+------------------+
+| CN10.14            |    PC UART RX     |
++-------------------+-+------------------+
+| CN11.16            |    PC UART RX     |
++-------------------+-+------------------+
+```
+
+- Install WASM application to Zephyr using host_tool
+First, connect PC and STM32 with UART. Then install to use host_tool.
+  ```bash
+  sudo ./host_tool -D /dev/ttyUSBXXX -i inc -f ui_increase.wasm
+  # /dev/ttyUSBXXX is the UART device, e.g. /dev/ttyUSB0
+  ```
+
+- Install AOT version WASM application
+  ```bash
+  wamrc --target=thumbv7 --target-abi=eabi --cpu=cortex-m7 -o ui_app.aot ui_increase.wasm
+  ./host_tool -D /dev/ttyUSBXXX -i inc -f ui_app.aot
+  ```
+
+The graphic user interface demo photo:
+
+![WAMR samples diagram](../../doc/pics/vgl_demo.png "WAMR samples diagram")
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/build.sh b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/build.sh
new file mode 100755
index 000000000..f910f450b
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/build.sh
@@ -0,0 +1,75 @@
+#
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+#!/bin/bash
+
+PROJECT_DIR=$PWD
+WAMR_DIR=${PWD}/../..
+OUT_DIR=${PWD}/out
+BUILD_DIR=${PWD}/build
+WAMR_RUNTIME_CFG=${PROJECT_DIR}/wamr_config_gui.cmake
+LV_CFG_PATH=${PROJECT_DIR}/lv_config
+
+if [ -z $KW_BUILD ] || [ -z $KW_OUT_FILE ];then
+    echo "Local Build Env"
+    cmakewrap="cmake"
+    makewrap="make"
+else
+    echo "Klocwork Build Env"
+    cmakewrap="cmake -DCMAKE_BUILD_TYPE=Debug"
+    makewrap="kwinject -o $KW_OUT_FILE make"
+fi
+
+if [ ! -d $BUILD_DIR ]; then
+    mkdir ${BUILD_DIR}
+fi
+
+rm -rf ${OUT_DIR}
+mkdir ${OUT_DIR}
+
+
+echo -e "\n\n"
+echo "##################### 1. build wamr-sdk gui start#####################"
+cd ${WAMR_DIR}/wamr-sdk
+./build_sdk.sh -n gui -x ${WAMR_RUNTIME_CFG} -e ${LV_CFG_PATH}
+[ $? -eq 0 ] || exit $?
+
+echo "#####################build wamr-sdk success"
+
+
+
+echo "##################### 2. build wasm runtime start#####################"
+cd $BUILD_DIR
+mkdir -p wasm-runtime-wgl
+cd wasm-runtime-wgl
+$cmakewrap ${PROJECT_DIR}/wasm-runtime-wgl/linux-build -DWAMR_BUILD_SDK_PROFILE=gui
+[ $? -eq 0 ] || exit $?
+$makewrap
+[ $? -eq 0 ] || exit $?
+cp wasm_runtime_wgl ${OUT_DIR}/
+
+echo "##################### build littlevgl wasm runtime end#####################"
+echo -e "\n\n"
+
+
+echo "#####################build host-tool"
+cd $BUILD_DIR
+mkdir -p host-tool
+cd host-tool
+$cmakewrap ${WAMR_DIR}/test-tools/host-tool
+$makewrap
+if [ $? != 0 ];then
+        echo "BUILD_FAIL host tool exit as $?\n"
+        exit 2
+fi
+cp host_tool ${OUT_DIR}
+echo "#####################build host-tool success"
+echo -e "\n\n"
+
+echo "##################### 3. build wasm ui app start#####################"
+cd ${PROJECT_DIR}/wasm-apps
+export OUT_DIR=${OUT_DIR}
+./build_apps.sh
+
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/lv_config/lv_conf.h b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/lv_config/lv_conf.h
new file mode 100644
index 000000000..2f9fc77a7
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/lv_config/lv_conf.h
@@ -0,0 +1,498 @@
+/**
+ * @file lv_conf.h
+ *
+ */
+
+/*
+ * COPY THIS FILE AS `lv_conf.h` NEXT TO the `lvgl` FOLDER
+ */
+
+#if 1 /*Set it to "1" to enable content*/
+
+#ifndef LV_CONF_H
+#define LV_CONF_H
+/* clang-format off */
+
+#include <stdint.h>
+
+/*====================
+   Graphical settings
+ *====================*/
+
+/* Maximal horizontal and vertical resolution to support by the library.*/
+#define LV_HOR_RES_MAX          (320)
+#define LV_VER_RES_MAX          (240)
+
+/* Color depth:
+ * - 1:  1 byte per pixel
+ * - 8:  RGB233
+ * - 16: RGB565
+ * - 32: ARGB8888
+ */
+#define LV_COLOR_DEPTH     32
+
+/* Swap the 2 bytes of RGB565 color.
+ * Useful if the display has a 8 bit interface (e.g. SPI)*/
+#define LV_COLOR_16_SWAP   0
+
+/* 1: Enable screen transparency.
+ * Useful for OSD or other overlapping GUIs.
+ * Requires `LV_COLOR_DEPTH = 32` colors and the screen's style should be modified: `style.body.opa = ...`*/
+#define LV_COLOR_SCREEN_TRANSP    0
+
+/*Images pixels with this color will not be drawn (with chroma keying)*/
+#define LV_COLOR_TRANSP    LV_COLOR_LIME         /*LV_COLOR_LIME: pure green*/
+
+/* Enable anti-aliasing (lines, and radiuses will be smoothed) */
+#define LV_ANTIALIAS        1
+
+/* Default display refresh period.
+ * Can be changed in the display driver (`lv_disp_drv_t`).*/
+#define LV_DISP_DEF_REFR_PERIOD      30      /*[ms]*/
+
+/* Dot Per Inch: used to initialize default sizes.
+ * E.g. a button with width = LV_DPI / 2 -> half inch wide
+ * (Not so important, you can adjust it to modify default sizes and spaces)*/
+#define LV_DPI              100     /*[px]*/
+
+/* Type of coordinates. Should be `int16_t` (or `int32_t` for extreme cases) */
+typedef int16_t lv_coord_t;
+
+/*=========================
+   Memory manager settings
+ *=========================*/
+
+/* LittelvGL's internal memory manager's settings.
+ * The graphical objects and other related data are stored here. */
+
+/* 1: use custom malloc/free, 0: use the built-in `lv_mem_alloc` and `lv_mem_free` */
+#ifndef LV_MEM_CUSTOM
+#define LV_MEM_CUSTOM      0
+#endif
+
+#if LV_MEM_CUSTOM == 0
+/* Size of the memory used by `lv_mem_alloc` in bytes (>= 2kB)*/
+#  define LV_MEM_SIZE    (128U * 1024U)
+
+/* Complier prefix for a big array declaration */
+#  define LV_MEM_ATTR
+
+/* Set an address for the memory pool instead of allocating it as an array.
+ * Can be in external SRAM too. */
+#  define LV_MEM_ADR          0
+
+/* Automatically defrag. on free. Defrag. means joining the adjacent free cells. */
+#  define LV_MEM_AUTO_DEFRAG  1
+#else       /*LV_MEM_CUSTOM*/
+#  define LV_MEM_CUSTOM_INCLUDE "bh_platform.h" /*Header for the dynamic memory function*/
+#  define LV_MEM_CUSTOM_ALLOC   BH_MALLOC       /*Wrapper to malloc*/
+#  define LV_MEM_CUSTOM_FREE    BH_FREE         /*Wrapper to free*/
+#endif     /*LV_MEM_CUSTOM*/
+
+/* Garbage Collector settings
+ * Used if lvgl is binded to higher level language and the memory is managed by that language */
+#define LV_ENABLE_GC 0
+#if LV_ENABLE_GC != 0
+#  define LV_GC_INCLUDE "gc.h"                           /*Include Garbage Collector related things*/
+#  define LV_MEM_CUSTOM_REALLOC   your_realloc           /*Wrapper to realloc*/
+#  define LV_MEM_CUSTOM_GET_SIZE  your_mem_get_size      /*Wrapper to lv_mem_get_size*/
+#endif /* LV_ENABLE_GC */
+
+/*=======================
+   Input device settings
+ *=======================*/
+
+/* Input device default settings.
+ * Can be changed in the Input device driver (`lv_indev_drv_t`)*/
+
+/* Input device read period in milliseconds */
+#define LV_INDEV_DEF_READ_PERIOD          30
+
+/* Drag threshold in pixels */
+#define LV_INDEV_DEF_DRAG_LIMIT           10
+
+/* Drag throw slow-down in [%]. Greater value -> faster slow-down */
+#define LV_INDEV_DEF_DRAG_THROW           20
+
+/* Long press time in milliseconds.
+ * Time to send `LV_EVENT_LONG_PRESSSED`) */
+#define LV_INDEV_DEF_LONG_PRESS_TIME      400
+
+/* Repeated trigger period in long press [ms]
+ * Time between `LV_EVENT_LONG_PRESSED_REPEAT */
+#define LV_INDEV_DEF_LONG_PRESS_REP_TIME  100
+
+/*==================
+ * Feature usage
+ *==================*/
+
+/*1: Enable the Animations */
+#define LV_USE_ANIMATION        1
+#if LV_USE_ANIMATION
+
+/*Declare the type of the user data of animations (can be e.g. `void *`, `int`, `struct`)*/
+typedef void * lv_anim_user_data_t;
+
+#endif
+
+/* 1: Enable shadow drawing*/
+#define LV_USE_SHADOW           1
+
+/* 1: Enable object groups (for keyboard/encoder navigation) */
+#define LV_USE_GROUP            1
+#if LV_USE_GROUP
+typedef void * lv_group_user_data_t;
+#endif  /*LV_USE_GROUP*/
+
+/* 1: Enable GPU interface*/
+#define LV_USE_GPU              1
+
+/* 1: Enable file system (might be required for images */
+#define LV_USE_FILESYSTEM       1
+#if LV_USE_FILESYSTEM
+/*Declare the type of the user data of file system drivers (can be e.g. `void *`, `int`, `struct`)*/
+typedef void * lv_fs_drv_user_data_t;
+#endif
+
+/*1: Add a `user_data` to drivers and objects*/
+#define LV_USE_USER_DATA        1
+
+/*========================
+ * Image decoder and cache
+ *========================*/
+
+/* 1: Enable indexed (palette) images */
+#define LV_IMG_CF_INDEXED       1
+
+/* 1: Enable alpha indexed images */
+#define LV_IMG_CF_ALPHA         1
+
+/* Default image cache size. Image caching keeps the images opened.
+ * If only the built-in image formats are used there is no real advantage of caching.
+ * (I.e. no new image decoder is added)
+ * With complex image decoders (e.g. PNG or JPG) caching can save the continuous open/decode of images.
+ * However the opened images might consume additional RAM.
+ * LV_IMG_CACHE_DEF_SIZE must be >= 1 */
+#define LV_IMG_CACHE_DEF_SIZE       1
+
+/*Declare the type of the user data of image decoder (can be e.g. `void *`, `int`, `struct`)*/
+typedef void * lv_img_decoder_user_data_t;
+
+/*=====================
+ *  Compiler settings
+ *====================*/
+/* Define a custom attribute to `lv_tick_inc` function */
+#define LV_ATTRIBUTE_TICK_INC
+
+/* Define a custom attribute to `lv_task_handler` function */
+#define LV_ATTRIBUTE_TASK_HANDLER
+
+/* With size optimization (-Os) the compiler might not align data to
+ * 4 or 8 byte boundary. This alignment will be explicitly applied where needed.
+ * E.g. __attribute__((aligned(4))) */
+#define LV_ATTRIBUTE_MEM_ALIGN
+
+/* Attribute to mark large constant arrays for example
+ * font's bitmaps */
+#define LV_ATTRIBUTE_LARGE_CONST
+
+/*===================
+ *  HAL settings
+ *==================*/
+
+/* 1: use a custom tick source.
+ * It removes the need to manually update the tick with `lv_tick_inc`) */
+#define LV_TICK_CUSTOM     1
+#if LV_TICK_CUSTOM == 1
+#define LV_TICK_CUSTOM_INCLUDE  "system_header.h"       /*Header for the sys time function*/
+#define LV_TICK_CUSTOM_SYS_TIME_EXPR (time_get_ms())     /*Expression evaluating to current systime in ms*/
+#endif   /*LV_TICK_CUSTOM*/
+
+typedef void * lv_disp_drv_user_data_t;             /*Type of user data in the display driver*/
+typedef void * lv_indev_drv_user_data_t;            /*Type of user data in the input device driver*/
+
+/*================
+ * Log settings
+ *===============*/
+
+/*1: Enable the log module*/
+#define LV_USE_LOG      1
+#if LV_USE_LOG
+/* How important log should be added:
+ * LV_LOG_LEVEL_TRACE       A lot of logs to give detailed information
+ * LV_LOG_LEVEL_INFO        Log important events
+ * LV_LOG_LEVEL_WARN        Log if something unwanted happened but didn't cause a problem
+ * LV_LOG_LEVEL_ERROR       Only critical issue, when the system may fail
+ * LV_LOG_LEVEL_NONE        Do not log anything
+ */
+#  define LV_LOG_LEVEL    LV_LOG_LEVEL_WARN
+
+/* 1: Print the log with 'printf';
+ * 0: user need to register a callback with `lv_log_register_print`*/
+#  define LV_LOG_PRINTF   1
+#endif  /*LV_USE_LOG*/
+
+/*================
+ *  THEME USAGE
+ *================*/
+#define LV_THEME_LIVE_UPDATE    1   /*1: Allow theme switching at run time. Uses 8..10 kB of RAM*/
+
+#define LV_USE_THEME_TEMPL      1   /*Just for test*/
+#define LV_USE_THEME_DEFAULT    1   /*Built mainly from the built-in styles. Consumes very few RAM*/
+#define LV_USE_THEME_ALIEN      1   /*Dark futuristic theme*/
+#define LV_USE_THEME_NIGHT      1   /*Dark elegant theme*/
+#define LV_USE_THEME_MONO       1   /*Mono color theme for monochrome displays*/
+#define LV_USE_THEME_MATERIAL   1   /*Flat theme with bold colors and light shadows*/
+#define LV_USE_THEME_ZEN        1   /*Peaceful, mainly light theme */
+#define LV_USE_THEME_NEMO       1   /*Water-like theme based on the movie "Finding Nemo"*/
+
+/*==================
+ *    FONT USAGE
+ *===================*/
+
+/* The built-in fonts contains the ASCII range and some Symbols with  4 bit-per-pixel.
+ * The symbols are available via `LV_SYMBOL_...` defines
+ * More info about fonts: https://docs.littlevgl.com/#Fonts
+ * To create a new font go to: https://littlevgl.com/ttf-font-to-c-array
+ */
+
+/* Robot fonts with bpp = 4
+ * https://fonts.google.com/specimen/Roboto  */
+#define LV_FONT_ROBOTO_12    1
+#define LV_FONT_ROBOTO_16    1
+#define LV_FONT_ROBOTO_22    1
+#define LV_FONT_ROBOTO_28    1
+
+/*Pixel perfect monospace font
+ * http://pelulamu.net/unscii/ */
+#define LV_FONT_UNSCII_8     1
+
+/* Optionally declare your custom fonts here.
+ * You can use these fonts as default font too
+ * and they will be available globally. E.g.
+ * #define LV_FONT_CUSTOM_DECLARE LV_FONT_DECLARE(my_font_1) \
+ *                                LV_FONT_DECLARE(my_font_2)
+ */
+#define LV_FONT_CUSTOM_DECLARE
+
+/*Always set a default font from the built-in fonts*/
+#define LV_FONT_DEFAULT        &lv_font_roboto_16
+
+/* Enable it if you have fonts with a lot of characters.
+ * The limit depends on the font size, font face and bpp
+ * but with > 10,000 characters if you see issues probably you need to enable it.*/
+#define LV_FONT_FMT_TXT_LARGE   1
+
+/*Declare the type of the user data of fonts (can be e.g. `void *`, `int`, `struct`)*/
+typedef void * lv_font_user_data_t;
+
+/*=================
+ *  Text settings
+ *=================*/
+
+/* Select a character encoding for strings.
+ * Your IDE or editor should have the same character encoding
+ * - LV_TXT_ENC_UTF8
+ * - LV_TXT_ENC_ASCII
+ * */
+#define LV_TXT_ENC LV_TXT_ENC_UTF8
+
+ /*Can break (wrap) texts on these chars*/
+#define LV_TXT_BREAK_CHARS                  " ,.;:-_"
+
+/*===================
+ *  LV_OBJ SETTINGS
+ *==================*/
+
+/*Declare the type of the user data of object (can be e.g. `void *`, `int`, `struct`)*/
+typedef void * lv_obj_user_data_t;
+
+/*1: enable `lv_obj_realaign()` based on `lv_obj_align()` parameters*/
+#define LV_USE_OBJ_REALIGN          1
+
+/* Enable to make the object clickable on a larger area.
+ * LV_EXT_CLICK_AREA_OFF or 0: Disable this feature
+ * LV_EXT_CLICK_AREA_TINY: The extra area can be adjusted horizontally and vertically (0..255 px)
+ * LV_EXT_CLICK_AREA_FULL: The extra area can be adjusted in all 4 directions (-32k..+32k px)
+ */
+#define LV_USE_EXT_CLICK_AREA  LV_EXT_CLICK_AREA_FULL
+
+/*==================
+ *  LV OBJ X USAGE
+ *================*/
+/*
+ * Documentation of the object types: https://docs.littlevgl.com/#Object-types
+ */
+
+/*Arc (dependencies: -)*/
+#define LV_USE_ARC      1
+
+/*Bar (dependencies: -)*/
+#define LV_USE_BAR      1
+
+/*Button (dependencies: lv_cont*/
+#define LV_USE_BTN      1
+#if LV_USE_BTN != 0
+/*Enable button-state animations - draw a circle on click (dependencies: LV_USE_ANIMATION)*/
+#  define LV_BTN_INK_EFFECT   1
+#endif
+
+/*Button matrix (dependencies: -)*/
+#define LV_USE_BTNM     1
+
+/*Calendar (dependencies: -)*/
+#define LV_USE_CALENDAR 1
+
+/*Canvas (dependencies: lv_img)*/
+#define LV_USE_CANVAS   1
+
+/*Check box (dependencies: lv_btn, lv_label)*/
+#define LV_USE_CB       1
+
+/*Chart (dependencies: -)*/
+#define LV_USE_CHART    1
+#if LV_USE_CHART
+#  define LV_CHART_AXIS_TICK_LABEL_MAX_LEN    20
+#endif
+
+/*Container (dependencies: -*/
+#define LV_USE_CONT     1
+
+/*Drop down list (dependencies: lv_page, lv_label, lv_symbol_def.h)*/
+#define LV_USE_DDLIST    1
+#if LV_USE_DDLIST != 0
+/*Open and close default animation time [ms] (0: no animation)*/
+#  define LV_DDLIST_DEF_ANIM_TIME     200
+#endif
+
+/*Gauge (dependencies:lv_bar, lv_lmeter)*/
+#define LV_USE_GAUGE    1
+
+/*Image (dependencies: lv_label*/
+#define LV_USE_IMG      1
+
+/*Image Button (dependencies: lv_btn*/
+#define LV_USE_IMGBTN   1
+#if LV_USE_IMGBTN
+/*1: The imgbtn requires left, mid and right parts and the width can be set freely*/
+#  define LV_IMGBTN_TILED 0
+#endif
+
+/*Keyboard (dependencies: lv_btnm)*/
+#define LV_USE_KB       1
+
+/*Label (dependencies: -*/
+#define LV_USE_LABEL    1
+#if LV_USE_LABEL != 0
+/*Hor, or ver. scroll speed [px/sec] in 'LV_LABEL_LONG_ROLL/ROLL_CIRC' mode*/
+#  define LV_LABEL_DEF_SCROLL_SPEED       25
+
+/* Waiting period at beginning/end of animation cycle */
+#  define LV_LABEL_WAIT_CHAR_COUNT        3
+
+/*Enable selecting text of the label */
+#  define LV_LABEL_TEXT_SEL               1
+
+/*Store extra some info in labels (12 bytes) to speed up drawing of very long texts*/
+#  define LV_LABEL_LONG_TXT_HINT          0
+#endif
+
+/*LED (dependencies: -)*/
+#define LV_USE_LED      1
+
+/*Line (dependencies: -*/
+#define LV_USE_LINE     1
+
+/*List (dependencies: lv_page, lv_btn, lv_label, (lv_img optionally for icons ))*/
+#define LV_USE_LIST     1
+#if LV_USE_LIST != 0
+/*Default animation time of focusing to a list element [ms] (0: no animation)  */
+#  define LV_LIST_DEF_ANIM_TIME  100
+#endif
+
+/*Line meter (dependencies: *;)*/
+#define LV_USE_LMETER   1
+
+/*Message box (dependencies: lv_rect, lv_btnm, lv_label)*/
+#define LV_USE_MBOX     1
+
+/*Page (dependencies: lv_cont)*/
+#define LV_USE_PAGE     1
+#if LV_USE_PAGE != 0
+/*Focus default animation time [ms] (0: no animation)*/
+#  define LV_PAGE_DEF_ANIM_TIME     400
+#endif
+
+/*Preload (dependencies: lv_arc, lv_anim)*/
+#define LV_USE_PRELOAD      1
+#if LV_USE_PRELOAD != 0
+#  define LV_PRELOAD_DEF_ARC_LENGTH   60      /*[deg]*/
+#  define LV_PRELOAD_DEF_SPIN_TIME    1000    /*[ms]*/
+#  define LV_PRELOAD_DEF_ANIM         LV_PRELOAD_TYPE_SPINNING_ARC
+#endif
+
+/*Roller (dependencies: lv_ddlist)*/
+#define LV_USE_ROLLER    1
+#if LV_USE_ROLLER != 0
+/*Focus animation time [ms] (0: no animation)*/
+#  define LV_ROLLER_DEF_ANIM_TIME     200
+
+/*Number of extra "pages" when the roller is infinite*/
+#  define LV_ROLLER_INF_PAGES         7
+#endif
+
+/*Slider (dependencies: lv_bar)*/
+#define LV_USE_SLIDER    1
+
+/*Spinbox (dependencies: lv_ta)*/
+#define LV_USE_SPINBOX       1
+
+/*Switch (dependencies: lv_slider)*/
+#define LV_USE_SW       1
+
+/*Text area (dependencies: lv_label, lv_page)*/
+#define LV_USE_TA       1
+#if LV_USE_TA != 0
+#  define LV_TA_DEF_CURSOR_BLINK_TIME 400     /*ms*/
+#  define LV_TA_DEF_PWD_SHOW_TIME     1500    /*ms*/
+#endif
+
+/*Table (dependencies: lv_label)*/
+#define LV_USE_TABLE    1
+#if LV_USE_TABLE
+#  define LV_TABLE_COL_MAX    12
+#endif
+
+/*Tab (dependencies: lv_page, lv_btnm)*/
+#define LV_USE_TABVIEW      1
+#  if LV_USE_TABVIEW != 0
+/*Time of slide animation [ms] (0: no animation)*/
+#  define LV_TABVIEW_DEF_ANIM_TIME    300
+#endif
+
+/*Tileview (dependencies: lv_page) */
+#define LV_USE_TILEVIEW     1
+#if LV_USE_TILEVIEW
+/*Time of slide animation [ms] (0: no animation)*/
+#  define LV_TILEVIEW_DEF_ANIM_TIME   300
+#endif
+
+/*Window (dependencies: lv_cont, lv_btn, lv_label, lv_img, lv_page)*/
+#define LV_USE_WIN      1
+
+/*==================
+ * Non-user section
+ *==================*/
+
+#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)    /* Disable warnings for Visual Studio*/
+#  define _CRT_SECURE_NO_WARNINGS
+#endif
+
+/*--END OF LV_CONF_H--*/
+
+/*Be sure every define has a default value*/
+#include "lvgl/src/lv_conf_checker.h"
+
+#endif /*LV_CONF_H*/
+
+#endif /*End of "Content enable"*/
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/lv_config/lv_drv_conf.h b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/lv_config/lv_drv_conf.h
new file mode 100644
index 000000000..d216a3e90
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/lv_config/lv_drv_conf.h
@@ -0,0 +1,310 @@
+/**
+ * @file lv_drv_conf.h
+ *
+ */
+
+/*
+ * COPY THIS FILE AS lv_drv_conf.h
+ */
+
+#if 1 /*Set it to "1" to enable the content*/
+
+#ifndef LV_DRV_CONF_H
+#define LV_DRV_CONF_H
+
+#include "lv_conf.h"
+
+/*********************
+ * DELAY INTERFACE
+ *********************/
+#define LV_DRV_DELAY_INCLUDE  <stdint.h>            /*Dummy include by default*/
+#define LV_DRV_DELAY_US(us)  /*delay_us(us)*/       /*Delay the given number of microseconds*/
+#define LV_DRV_DELAY_MS(ms)  /*delay_ms(ms)*/       /*Delay the given number of milliseconds*/
+
+/*********************
+ * DISPLAY INTERFACE
+ *********************/
+
+/*------------
+ *  Common
+ *------------*/
+#define LV_DRV_DISP_INCLUDE         <stdint.h>           /*Dummy include by default*/
+#define LV_DRV_DISP_CMD_DATA(val)  /*pin_x_set(val)*/    /*Set the command/data pin to 'val'*/
+#define LV_DRV_DISP_RST(val)       /*pin_x_set(val)*/    /*Set the reset pin to 'val'*/
+
+/*---------
+ *  SPI
+ *---------*/
+#define LV_DRV_DISP_SPI_CS(val)          /*spi_cs_set(val)*/     /*Set the SPI's Chip select to 'val'*/
+#define LV_DRV_DISP_SPI_WR_BYTE(data)    /*spi_wr(data)*/        /*Write a byte the SPI bus*/
+#define LV_DRV_DISP_SPI_WR_ARRAY(adr, n) /*spi_wr_mem(adr, n)*/  /*Write 'n' bytes to SPI bus from 'adr'*/
+
+/*------------------
+ *  Parallel port
+ *-----------------*/
+#define LV_DRV_DISP_PAR_CS(val)          /*par_cs_set(val)*/   /*Set the Parallel port's Chip select to 'val'*/
+#define LV_DRV_DISP_PAR_SLOW             /*par_slow()*/        /*Set low speed on the parallel port*/
+#define LV_DRV_DISP_PAR_FAST             /*par_fast()*/        /*Set high speed on the parallel port*/
+#define LV_DRV_DISP_PAR_WR_WORD(data)    /*par_wr(data)*/      /*Write a word to the parallel port*/
+#define LV_DRV_DISP_PAR_WR_ARRAY(adr, n) /*par_wr_mem(adr,n)*/ /*Write 'n' bytes to Parallel ports from 'adr'*/
+
+/***************************
+ * INPUT DEVICE INTERFACE
+ ***************************/
+
+/*----------
+ *  Common
+ *----------*/
+#define LV_DRV_INDEV_INCLUDE     <stdint.h>             /*Dummy include by default*/
+#define LV_DRV_INDEV_RST(val)    /*pin_x_set(val)*/     /*Set the reset pin to 'val'*/
+#define LV_DRV_INDEV_IRQ_READ    0 /*pn_x_read()*/      /*Read the IRQ pin*/
+
+/*---------
+ *  SPI
+ *---------*/
+#define LV_DRV_INDEV_SPI_CS(val)            /*spi_cs_set(val)*/     /*Set the SPI's Chip select to 'val'*/
+#define LV_DRV_INDEV_SPI_XCHG_BYTE(data)    0 /*spi_xchg(val)*/     /*Write 'val' to SPI and give the read value*/
+
+/*---------
+ *  I2C
+ *---------*/
+#define LV_DRV_INDEV_I2C_START              /*i2c_start()*/       /*Make an I2C start*/
+#define LV_DRV_INDEV_I2C_STOP               /*i2c_stop()*/        /*Make an I2C stop*/
+#define LV_DRV_INDEV_I2C_RESTART            /*i2c_restart()*/     /*Make an I2C restart*/
+#define LV_DRV_INDEV_I2C_WR(data)           /*i2c_wr(data)*/      /*Write a byte to the I1C bus*/
+#define LV_DRV_INDEV_I2C_READ(last_read)    0 /*i2c_rd()*/        /*Read a byte from the I2C bud*/
+
+
+/*********************
+ *  DISPLAY DRIVERS
+ *********************/
+
+/*-------------------
+ *  Monitor of PC
+ *-------------------*/
+#ifndef USE_MONITOR
+#  define USE_MONITOR         1
+#endif
+
+#if USE_MONITOR
+#  define MONITOR_HOR_RES     LV_HOR_RES_MAX
+#  define MONITOR_VER_RES     LV_VER_RES_MAX
+
+/* Scale window by this factor (useful when simulating small screens) */
+#  define MONITOR_ZOOM        1
+
+/* Used to test true double buffering with only address changing.
+ * Set LV_VDB_SIZE = (LV_HOR_RES * LV_VER_RES) and  LV_VDB_DOUBLE = 1 and LV_COLOR_DEPTH = 32" */
+#  define MONITOR_DOUBLE_BUFFERED 0
+
+/*Eclipse: <SDL2/SDL.h>    Visual Studio: <SDL.h>*/
+#  define MONITOR_SDL_INCLUDE_PATH    <SDL2/SDL.h>
+
+/*Different rendering might be used if running in a Virtual machine*/
+#  define MONITOR_VIRTUAL_MACHINE 0
+
+/*Open two windows to test multi display support*/
+#  define MONITOR_DUAL            0
+#endif
+
+/*-----------------------------------
+ *  Native Windows (including mouse)
+ *----------------------------------*/
+#ifndef USE_WINDOWS
+#  define USE_WINDOWS       0
+#endif
+
+#define USE_WINDOWS         0
+#if USE_WINDOWS
+#  define WINDOW_HOR_RES      480
+#  define WINDOW_VER_RES      320
+#endif
+
+/*----------------
+ *    SSD1963
+ *--------------*/
+#ifndef USE_SSD1963
+#  define USE_SSD1963         0
+#endif
+
+#if USE_SSD1963
+#  define SSD1963_HOR_RES     LV_HOR_RES
+#  define SSD1963_VER_RES     LV_VER_RES
+#  define SSD1963_HT          531
+#  define SSD1963_HPS         43
+#  define SSD1963_LPS         8
+#  define SSD1963_HPW         10
+#  define SSD1963_VT          288
+#  define SSD1963_VPS         12
+#  define SSD1963_FPS         4
+#  define SSD1963_VPW         10
+#  define SSD1963_HS_NEG      0   /*Negative hsync*/
+#  define SSD1963_VS_NEG      0   /*Negative vsync*/
+#  define SSD1963_ORI         0   /*0, 90, 180, 270*/
+#  define SSD1963_COLOR_DEPTH 16
+#endif
+
+/*----------------
+ *    R61581
+ *--------------*/
+#ifndef USE_R61581
+#  define USE_R61581          0
+#endif
+
+#if USE_R61581
+#  define R61581_HOR_RES      LV_HOR_RES
+#  define R61581_VER_RES      LV_VER_RES
+#  define R61581_HSPL         0       /*HSYNC signal polarity*/
+#  define R61581_HSL          10      /*HSYNC length (Not Implemented)*/
+#  define R61581_HFP          10      /*Horitontal Front poarch (Not Implemented)*/
+#  define R61581_HBP          10      /*Horitontal Back poarch (Not Implemented */
+#  define R61581_VSPL         0       /*VSYNC signal polarity*/
+#  define R61581_VSL          10      /*VSYNC length (Not Implemented)*/
+#  define R61581_VFP          8       /*Vertical Front poarch*/
+#  define R61581_VBP          8       /*Vertical Back poarch */
+#  define R61581_DPL          0       /*DCLK signal polarity*/
+#  define R61581_EPL          1       /*ENABLE signal polarity*/
+#  define R61581_ORI          0       /*0, 180*/
+#  define R61581_LV_COLOR_DEPTH 16    /*Fix 16 bit*/
+#endif
+
+/*------------------------------
+ *  ST7565 (Monochrome, low res.)
+ *-----------------------------*/
+#ifndef USE_ST7565
+#  define USE_ST7565          0
+#endif
+
+#if USE_ST7565
+/*No settings*/
+#endif  /*USE_ST7565*/
+
+/*-----------------------------------------
+ *  Linux frame buffer device (/dev/fbx)
+ *-----------------------------------------*/
+#ifndef USE_FBDEV
+#  define USE_FBDEV           1
+#endif
+
+#if USE_FBDEV
+#  define FBDEV_PATH          "/dev/fb0"
+#endif
+
+/*********************
+ *  INPUT DEVICES
+ *********************/
+
+/*--------------
+ *    XPT2046
+ *--------------*/
+#ifndef USE_XPT2046
+#  define USE_XPT2046         0
+#endif
+
+#if USE_XPT2046
+#  define XPT2046_HOR_RES     480
+#  define XPT2046_VER_RES     320
+#  define XPT2046_X_MIN       200
+#  define XPT2046_Y_MIN       200
+#  define XPT2046_X_MAX       3800
+#  define XPT2046_Y_MAX       3800
+#  define XPT2046_AVG         4
+#  define XPT2046_INV         0
+#endif
+
+/*-----------------
+ *    FT5406EE8
+ *-----------------*/
+#ifndef USE_FT5406EE8
+#  define USE_FT5406EE8       0
+#endif
+
+#if USE_FT5406EE8
+# define FT5406EE8_I2C_ADR   0x38                  /*7 bit address*/
+#endif
+
+/*---------------
+ *  AD TOUCH
+ *--------------*/
+#ifndef USE_AD_TOUCH
+#  define USE_AD_TOUCH        0
+#endif
+
+#if USE_AD_TOUCH
+/*No settings*/
+#endif
+
+
+/*---------------------------------------
+ * Mouse or touchpad on PC (using SDL)
+ *-------------------------------------*/
+#ifndef USE_MOUSE
+#  define USE_MOUSE           1
+#endif
+
+#if USE_MOUSE
+/*No settings*/
+#endif
+
+/*-------------------------------------------
+ * Mousewheel as encoder on PC (using SDL)
+ *------------------------------------------*/
+#ifndef USE_MOUSEWHEEL
+#  define USE_MOUSEWHEEL      1
+#endif
+
+#if USE_MOUSEWHEEL
+/*No settings*/
+#endif
+
+/*-------------------------------------------------
+ * Touchscreen as libinput interface (for Linux based systems)
+ *------------------------------------------------*/
+#ifndef USE_LIBINPUT
+#  define USE_LIBINPUT           0
+#endif
+
+#if USE_LIBINPUT
+#  define LIBINPUT_NAME   "/dev/input/event0"        /*You can use the "evtest" Linux tool to get the list of devices and test them*/
+#endif  /*USE_LIBINPUT*/
+
+/*-------------------------------------------------
+ * Mouse or touchpad as evdev interface (for Linux based systems)
+ *------------------------------------------------*/
+#ifndef USE_EVDEV
+#  define USE_EVDEV           0
+#endif
+
+#if USE_EVDEV
+#  define EVDEV_NAME   "/dev/input/event0"        /*You can use the "evtest" Linux tool to get the list of devices and test them*/
+#  define EVDEV_SWAP_AXES         0               /*Swap the x and y axes of the touchscreen*/
+
+#  define EVDEV_SCALE             0               /* Scale input, e.g. if touchscreen resolution does not match display resolution */
+#  if EVDEV_SCALE
+#    define EVDEV_SCALE_HOR_RES     (4096)          /* Horizontal resolution of touchscreen */
+#    define EVDEV_SCALE_VER_RES     (4096)          /* Vertical resolution of touchscreen */
+#  endif  /*EVDEV_SCALE*/
+
+#  define EVDEV_CALIBRATE         0               /*Scale and offset the touchscreen coordinates by using maximum and minimum values for each axis*/
+#  if EVDEV_CALIBRATE
+#    define EVDEV_HOR_MIN   3800                    /*If EVDEV_XXX_MIN > EVDEV_XXX_MAX the XXX axis is automatically inverted*/
+#    define EVDEV_HOR_MAX   200
+#    define EVDEV_VER_MIN   200
+#    define EVDEV_VER_MAX   3800
+#  endif  /*EVDEV_SCALE*/
+#endif  /*USE_EVDEV*/
+
+/*-------------------------------
+ *   Keyboard of a PC (using SDL)
+ *------------------------------*/
+#ifndef USE_KEYBOARD
+#  define USE_KEYBOARD        1
+#endif
+
+#if USE_KEYBOARD
+/*No settings*/
+#endif
+
+#endif  /*LV_DRV_CONF_H*/
+
+#endif /*End of "Content enable"*/
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/lv_config/system_header.h b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/lv_config/system_header.h
new file mode 100644
index 000000000..a0d790c8e
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/lv_config/system_header.h
@@ -0,0 +1,9 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <stdio.h>
+
+int
+time_get_ms();
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wamr_config_gui.cmake b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wamr_config_gui.cmake
new file mode 100644
index 000000000..3b33d33b2
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wamr_config_gui.cmake
@@ -0,0 +1,9 @@
+set (WAMR_BUILD_PLATFORM "linux")
+set (WAMR_BUILD_TARGET "X86_64")
+set (WAMR_BUILD_INTERP 1)
+set (WAMR_BUILD_AOT 1)
+set (WAMR_BUILD_JIT 0)
+set (WAMR_BUILD_LIBC_BUILTIN 1)
+set (WAMR_BUILD_LIBC_WASI 0)
+set (WAMR_BUILD_APP_FRAMEWORK 1)
+set (WAMR_BUILD_APP_LIST WAMR_APP_BUILD_ALL)
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/build_apps.sh b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/build_apps.sh
new file mode 100755
index 000000000..18c76caf4
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/build_apps.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+
+APPS_ROOT=$(cd "$(dirname "$0")/" && pwd)
+cd ${APPS_ROOT}
+
+echo "OUT_DIR: ${OUT_DIR}"
+
+if [ -z ${OUT_DIR} ]; then
+    OUT_DIR=${APPS_ROOT}/out
+    echo "set the wasm app folder: ${OUT_DIR}"
+
+    if [ -d ${OUT_DIR} ]; then
+        rm -rf ${OUT_DIR}
+        echo "removed the present output folder: ${OUT_DIR}"
+    fi
+    mkdir ${OUT_DIR}
+
+fi
+
+if [ -z ${WAMR_DIR} ]; then
+    WAMR_DIR=${APPS_ROOT}/../../..
+fi
+
+
+cd ${APPS_ROOT}/increase
+
+rm -rf build
+mkdir build && cd build
+cmake .. -DCMAKE_TOOLCHAIN_FILE=${WAMR_DIR}/wamr-sdk/out/gui/app-sdk/wamr_toolchain.cmake \
+         -DWASI_SDK_DIR=/opt/wasi-sdk
+make
+[ $? -eq 0 ] || exit $?
+mv ui_increase.wasm ${OUT_DIR}/
+
+# $makewrap
+# mv ui_app.wasm ${OUT_DIR}/
+
+cd ${APPS_ROOT}/decrease
+make
+[ $? -eq 0 ] || exit $?
+mv ui_decrease.wasm ${OUT_DIR}/
+
+echo "WASM files generated in folder  ${OUT_DIR}"
+
+echo "#####################  build WASM APPs finished #####################"
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/decrease/Makefile b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/decrease/Makefile
new file mode 100644
index 000000000..d99008beb
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/decrease/Makefile
@@ -0,0 +1,29 @@
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+CC = /opt/wasi-sdk/bin/clang
+APP_DIR = ${shell pwd}
+IWASM_DIR = $(APP_DIR)/../../../../core/iwasm
+SDK_DIR = $(APP_DIR)/../../../../wamr-sdk/out/gui/app-sdk
+APP_FRAMEWORK_DIR = $(APP_DIR)/../../../../wamr-sdk/out/gui/app-sdk/wamr-app-framework
+DEPS_DIR = $(APP_DIR)/../../../../core/deps
+
+CFLAGS += -O3 \
+    -Wno-int-conversion \
+    -I$(APP_DIR)/src \
+    -I$(APP_FRAMEWORK_DIR)/include \
+    -I${DEPS_DIR}
+
+SRCS += $(APP_DIR)/src/main.c
+
+all:
+	@$(CC) $(CFLAGS) $(SRCS) \
+    --target=wasm32 -O3 -z stack-size=2048 -Wl,--initial-memory=65536 \
+    --sysroot=$(SDK_DIR)/libc-builtin-sysroot       \
+    -L$(APP_FRAMEWORK_DIR)/lib -lapp_framework      \
+    -Wl,--allow-undefined-file=$(SDK_DIR)/libc-builtin-sysroot/share/defined-symbols.txt \
+    -Wl,--strip-all,--no-entry -nostdlib \
+    -Wl,--export=on_init -Wl,--export=on_timer_callback \
+    -Wl,--export=on_widget_event \
+    -Wl,--export=__heap_base,--export=__data_end \
+    -o ui_decrease.wasm
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/decrease/src/main.c b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/decrease/src/main.c
new file mode 100644
index 000000000..a6c30aa1a
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/decrease/src/main.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <stdlib.h>
+#include "wasm_app.h"
+#include "wa-inc/lvgl/lvgl.h"
+#include "wa-inc/timer_wasm_app.h"
+
+extern char g_widget_text[];
+
+static void
+btn_event_cb(lv_obj_t *btn, lv_event_t event);
+
+uint32_t count = 0;
+char count_str[11] = { 0 };
+lv_obj_t *hello_world_label;
+lv_obj_t *count_label;
+lv_obj_t *btn1;
+lv_obj_t *label_count1;
+int label_count1_value = 100;
+char label_count1_str[11] = { 0 };
+
+void
+timer1_update(user_timer_t timer1)
+{
+    if ((count % 100) == 0) {
+        snprintf(count_str, sizeof(count_str), "%d", count / 100);
+        lv_label_set_text(count_label, count_str);
+    }
+    ++count;
+}
+
+void
+on_init()
+{
+    char *text;
+
+    hello_world_label = lv_label_create(NULL, NULL);
+    lv_label_set_text(hello_world_label, "Hello world!");
+    text = lv_label_get_text(hello_world_label);
+    printf("Label text %lu %s \n", strlen(text), text);
+    lv_obj_align(hello_world_label, NULL, LV_ALIGN_IN_TOP_LEFT, 0, 0);
+
+    count_label = lv_label_create(NULL, NULL);
+    lv_obj_align(count_label, NULL, LV_ALIGN_IN_TOP_MID, 0, 0);
+
+    btn1 = lv_btn_create(
+        NULL, NULL); /*Create a button on the currently loaded screen*/
+    lv_obj_set_event_cb(
+        btn1,
+        btn_event_cb); /*Set function to be called when the button is released*/
+    lv_obj_align(btn1, NULL, LV_ALIGN_CENTER, 0, 0); /*Align below the label*/
+
+    /*Create a label on the button*/
+    lv_obj_t *btn_label = lv_label_create(btn1, NULL);
+    lv_label_set_text(btn_label, "Click --");
+
+    label_count1 = lv_label_create(NULL, NULL);
+    lv_label_set_text(label_count1, "100");
+    lv_obj_align(label_count1, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
+
+    /* set up a timer */
+    user_timer_t timer;
+    timer = api_timer_create(10, true, false, timer1_update);
+    if (timer)
+        api_timer_restart(timer, 10);
+    else
+        printf("Fail to create timer.\n");
+}
+
+static void
+btn_event_cb(lv_obj_t *btn, lv_event_t event)
+{
+    if (event == LV_EVENT_RELEASED) {
+        label_count1_value--;
+        snprintf(label_count1_str, sizeof(label_count1_str), "%d",
+                 label_count1_value);
+        lv_label_set_text(label_count1, label_count1_str);
+        if (label_count1_value == 0)
+            label_count1_value = 100;
+    }
+}
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/increase/CMakeLists.txt b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/increase/CMakeLists.txt
new file mode 100644
index 000000000..ce55fb1e6
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/increase/CMakeLists.txt
@@ -0,0 +1,20 @@
+cmake_minimum_required(VERSION 2.8)
+
+project(wgl)
+
+set (WAMR_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/../../../../)
+
+include_directories(
+    ${WAMR_ROOT_DIR}/wamr-sdk/out/gui/app-sdk/wamr-app-framework/include
+    ${WAMR_ROOT_DIR}/core/deps
+)
+
+set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS},-L${WAMR_ROOT_DIR}/wamr-sdk/out/gui/app-sdk/wamr-app-framework/lib")
+set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS},--export=on_init,--export=on_timer_callback,--export=on_widget_event,--export=__heap_base,--export=__data_end")
+set (CMAKE_C_FLAGS          "${CMAKE_C_FLAGS} -O3 -Wno-unused-command-line-argument")
+
+add_executable(ui_increase.wasm
+    ${CMAKE_CURRENT_LIST_DIR}/src/main.c
+)
+
+target_link_libraries(ui_increase.wasm  app_framework)
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/increase/Makefile b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/increase/Makefile
new file mode 100644
index 000000000..5f250d6ef
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/increase/Makefile
@@ -0,0 +1,34 @@
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+CC = /opt/wasi-sdk/bin/clang
+APP_DIR = ${shell pwd}
+IWASM_DIR = ../../../../core/iwasm
+APP_FRAMEWORK_DIR = ../../../../core/app-framework
+DEPS_DIR = ../../../../core/deps
+
+CFLAGS += -O3 \
+	  -Wno-int-conversion \
+	  -I$(APP_DIR)/src \
+	  -I$(APP_FRAMEWORK_DIR)/base/app \
+	  -I$(APP_FRAMEWORK_DIR)/app-native-shared \
+	  -I$(APP_FRAMEWORK_DIR)/sensor/app \
+	  -I$(APP_FRAMEWORK_DIR)/wgl/app \
+	  -I$(APP_FRAMEWORK_DIR)/connection/app \
+	  -I${DEPS_DIR}
+
+SRCS += $(APP_DIR)/src/main.c
+
+# For app size consideration, not all but necessary app libs are included
+SRCS += $(APP_FRAMEWORK_DIR)/base/app/timer.c
+SRCS += $(APP_FRAMEWORK_DIR)/wgl/app/src/*.c
+
+all:
+	@$(CC) $(CFLAGS) $(SRCS) \
+    --target=wasm32-wasi -O3 -z stack-size=2048 -Wl,--initial-memory=65536 \
+    -nostdlib -Wl,--allow-undefined \
+    -Wl,--strip-all,--no-entry \
+    -Wl,--export=on_init -Wl,--export=on_timer_callback \
+    -Wl,--export=on_widget_event \
+    -Wl,--export=__heap_base,--export=__data_end \
+    -o ui_app.wasm
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/increase/src/main.c b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/increase/src/main.c
new file mode 100644
index 000000000..b5271830a
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-apps/increase/src/main.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <stdlib.h>
+#include "wasm_app.h"
+#include "wa-inc/lvgl/lvgl.h"
+#include "wa-inc/timer_wasm_app.h"
+
+extern char g_widget_text[];
+
+static void
+btn_event_cb(lv_obj_t *btn, lv_event_t event);
+
+uint32_t count = 0;
+char count_str[11] = { 0 };
+lv_obj_t *hello_world_label;
+lv_obj_t *count_label;
+lv_obj_t *btn1;
+lv_obj_t *label_count1;
+int label_count1_value = 1;
+char label_count1_str[11] = { 0 };
+
+void
+timer1_update(user_timer_t timer1)
+{
+    if ((count % 100) == 0) {
+        snprintf(count_str, sizeof(count_str), "%d", count / 100);
+        lv_label_set_text(count_label, count_str);
+    }
+    ++count;
+}
+
+void
+on_init()
+{
+    char *text;
+
+    hello_world_label = lv_label_create(NULL, NULL);
+    lv_label_set_text(hello_world_label, "Hello world!");
+    text = lv_label_get_text(hello_world_label);
+    printf("Label text %lu %s \n", strlen(text), text);
+    lv_obj_align(hello_world_label, NULL, LV_ALIGN_IN_TOP_LEFT, 0, 0);
+
+    count_label = lv_label_create(NULL, NULL);
+    lv_obj_align(count_label, NULL, LV_ALIGN_IN_TOP_MID, 0, 0);
+
+    btn1 = lv_btn_create(
+        NULL, NULL); /*Create a button on the currently loaded screen*/
+    lv_obj_set_event_cb(
+        btn1,
+        btn_event_cb); /*Set function to be called when the button is released*/
+    lv_obj_align(btn1, NULL, LV_ALIGN_CENTER, 0, 0); /*Align below the label*/
+
+    /*Create a label on the button*/
+    lv_obj_t *btn_label = lv_label_create(btn1, NULL);
+    lv_label_set_text(btn_label, "Click ++");
+
+    label_count1 = lv_label_create(NULL, NULL);
+    lv_label_set_text(label_count1, "1");
+    lv_obj_align(label_count1, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
+
+    /* set up a timer */
+    user_timer_t timer;
+    timer = api_timer_create(10, true, false, timer1_update);
+    if (timer)
+        api_timer_restart(timer, 10);
+    else
+        printf("Fail to create timer.\n");
+}
+
+static void
+btn_event_cb(lv_obj_t *btn, lv_event_t event)
+{
+    if (event == LV_EVENT_RELEASED) {
+        label_count1_value++;
+        snprintf(label_count1_str, sizeof(label_count1_str), "%d",
+                 label_count1_value);
+        lv_label_set_text(label_count1, label_count1_str);
+        if (label_count1_value == 100)
+            label_count1_value = 0;
+    }
+}
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/linux/iwasm_main.c b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/linux/iwasm_main.c
new file mode 100644
index 000000000..61c7bb39d
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/linux/iwasm_main.c
@@ -0,0 +1,564 @@
+
+#ifndef CONNECTION_UART
+#include <netdb.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#else
+#include <termios.h>
+#endif
+
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <signal.h>
+#include <unistd.h>
+#include <strings.h>
+
+#include "runtime_lib.h"
+#include "runtime_timer.h"
+#include "native_interface.h"
+#include "app_manager_export.h"
+#include "bh_platform.h"
+#include "runtime_sensor.h"
+#include "bi-inc/attr_container.h"
+#include "module_wasm_app.h"
+#include "wasm_export.h"
+#include "wgl.h"
+
+#include "lv_drivers/display/monitor.h"
+#include "lv_drivers/indev/mouse.h"
+
+#define MAX 2048
+
+#ifndef CONNECTION_UART
+#define SA struct sockaddr
+static char *host_address = "127.0.0.1";
+static int port = 8888;
+#else
+static char *uart_device = "/dev/ttyS2";
+static int baudrate = B115200;
+#endif
+
+extern bool
+init_sensor_framework();
+extern void
+exit_sensor_framework();
+extern void
+exit_connection_framework();
+extern int
+aee_host_msg_callback(void *msg, uint32_t msg_len);
+extern bool
+init_connection_framework();
+
+#ifndef CONNECTION_UART
+int listenfd = -1;
+int sockfd = -1;
+static pthread_mutex_t sock_lock = PTHREAD_MUTEX_INITIALIZER;
+#else
+int uartfd = -1;
+#endif
+
+#ifndef CONNECTION_UART
+static bool server_mode = false;
+
+// Function designed for chat between client and server.
+void *
+func(void *arg)
+{
+    char buff[MAX];
+    int n;
+    struct sockaddr_in servaddr;
+
+    while (1) {
+        if (sockfd != -1)
+            close(sockfd);
+        // socket create and verification
+        sockfd = socket(AF_INET, SOCK_STREAM, 0);
+        if (sockfd == -1) {
+            printf("socket creation failed...\n");
+            return NULL;
+        }
+        else
+            printf("Socket successfully created..\n");
+        bzero(&servaddr, sizeof(servaddr));
+        // assign IP, PORT
+        servaddr.sin_family = AF_INET;
+        servaddr.sin_addr.s_addr = inet_addr(host_address);
+        servaddr.sin_port = htons(port);
+
+        // connect the client socket to server socket
+        if (connect(sockfd, (SA *)&servaddr, sizeof(servaddr)) != 0) {
+            printf("connection with the server failed...\n");
+            sleep(10);
+            continue;
+        }
+        else {
+            printf("connected to the server..\n");
+        }
+
+        // infinite loop for chat
+        for (;;) {
+            bzero(buff, MAX);
+
+            // read the message from client and copy it in buffer
+            n = read(sockfd, buff, sizeof(buff));
+            // print buffer which contains the client contents
+            // fprintf(stderr, "recieved %d bytes from host: %s", n, buff);
+
+            // socket disconnected
+            if (n <= 0)
+                break;
+
+            aee_host_msg_callback(buff, n);
+        }
+    }
+
+    // After chatting close the socket
+    close(sockfd);
+}
+
+static bool
+host_init()
+{
+    return true;
+}
+
+int
+host_send(void *ctx, const char *buf, int size)
+{
+    int ret;
+
+    if (pthread_mutex_trylock(&sock_lock) == 0) {
+        if (sockfd == -1) {
+            pthread_mutex_unlock(&sock_lock);
+            return 0;
+        }
+
+        ret = write(sockfd, buf, size);
+
+        pthread_mutex_unlock(&sock_lock);
+        return ret;
+    }
+
+    return -1;
+}
+
+void
+host_destroy()
+{
+    if (server_mode)
+        close(listenfd);
+
+    pthread_mutex_lock(&sock_lock);
+    close(sockfd);
+    pthread_mutex_unlock(&sock_lock);
+}
+
+/* clang-format off */
+host_interface interface = {
+    .init = host_init,
+    .send = host_send,
+    .destroy = host_destroy
+};
+/* clang-format on */
+
+void *
+func_server_mode(void *arg)
+{
+    int clilent;
+    struct sockaddr_in serv_addr, cli_addr;
+    int n;
+    char buff[MAX];
+    struct sigaction sa;
+
+    sa.sa_handler = SIG_IGN;
+    sa.sa_flags = 0;
+    sigemptyset(&sa.sa_mask);
+    sigaction(SIGPIPE, &sa, 0);
+
+    /* First call to socket() function */
+    listenfd = socket(AF_INET, SOCK_STREAM, 0);
+
+    if (listenfd < 0) {
+        perror("ERROR opening socket");
+        exit(1);
+    }
+
+    /* Initialize socket structure */
+    bzero((char *)&serv_addr, sizeof(serv_addr));
+
+    serv_addr.sin_family = AF_INET;
+    serv_addr.sin_addr.s_addr = INADDR_ANY;
+    serv_addr.sin_port = htons(port);
+
+    /* Now bind the host address using bind() call.*/
+    if (bind(listenfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
+        perror("ERROR on binding");
+        exit(1);
+    }
+
+    listen(listenfd, 5);
+    clilent = sizeof(cli_addr);
+
+    while (1) {
+        pthread_mutex_lock(&sock_lock);
+
+        sockfd = accept(listenfd, (struct sockaddr *)&cli_addr, &clilent);
+
+        pthread_mutex_unlock(&sock_lock);
+
+        if (sockfd < 0) {
+            perror("ERROR on accept");
+            exit(1);
+        }
+
+        printf("connection established!\n");
+
+        for (;;) {
+            bzero(buff, MAX);
+
+            // read the message from client and copy it in buffer
+            n = read(sockfd, buff, sizeof(buff));
+
+            // socket disconnected
+            if (n <= 0) {
+                pthread_mutex_lock(&sock_lock);
+                close(sockfd);
+                sockfd = -1;
+                pthread_mutex_unlock(&sock_lock);
+
+                sleep(2);
+                break;
+            }
+
+            aee_host_msg_callback(buff, n);
+        }
+    }
+}
+
+#else
+static int
+parse_baudrate(int baud)
+{
+    switch (baud) {
+        case 9600:
+            return B9600;
+        case 19200:
+            return B19200;
+        case 38400:
+            return B38400;
+        case 57600:
+            return B57600;
+        case 115200:
+            return B115200;
+        case 230400:
+            return B230400;
+        case 460800:
+            return B460800;
+        case 500000:
+            return B500000;
+        case 576000:
+            return B576000;
+        case 921600:
+            return B921600;
+        case 1000000:
+            return B1000000;
+        case 1152000:
+            return B1152000;
+        case 1500000:
+            return B1500000;
+        case 2000000:
+            return B2000000;
+        case 2500000:
+            return B2500000;
+        case 3000000:
+            return B3000000;
+        case 3500000:
+            return B3500000;
+        case 4000000:
+            return B4000000;
+        default:
+            return -1;
+    }
+}
+static bool
+uart_init(const char *device, int baudrate, int *fd)
+{
+    int uart_fd;
+    struct termios uart_term;
+
+    uart_fd = open(device, O_RDWR | O_NOCTTY);
+
+    if (uart_fd <= 0)
+        return false;
+
+    memset(&uart_term, 0, sizeof(uart_term));
+    uart_term.c_cflag = baudrate | CS8 | CLOCAL | CREAD;
+    uart_term.c_iflag = IGNPAR;
+    uart_term.c_oflag = 0;
+
+    /* set noncanonical mode */
+    uart_term.c_lflag = 0;
+    uart_term.c_cc[VTIME] = 30;
+    uart_term.c_cc[VMIN] = 1;
+    tcflush(uart_fd, TCIFLUSH);
+
+    if (tcsetattr(uart_fd, TCSANOW, &uart_term) != 0) {
+        close(uart_fd);
+        return false;
+    }
+
+    *fd = uart_fd;
+
+    return true;
+}
+
+static void *
+func_uart_mode(void *arg)
+{
+    int n;
+    char buff[MAX];
+
+    if (!uart_init(uart_device, baudrate, &uartfd)) {
+        printf("open uart fail! %s\n", uart_device);
+        return NULL;
+    }
+
+    for (;;) {
+        bzero(buff, MAX);
+
+        n = read(uartfd, buff, sizeof(buff));
+
+        if (n <= 0) {
+            close(uartfd);
+            uartfd = -1;
+            break;
+        }
+
+        aee_host_msg_callback(buff, n);
+    }
+
+    return NULL;
+}
+
+static int
+uart_send(void *ctx, const char *buf, int size)
+{
+    int ret;
+
+    ret = write(uartfd, buf, size);
+
+    return ret;
+}
+
+static void
+uart_destroy()
+{
+    close(uartfd);
+}
+
+/* clang-format off */
+static host_interface interface = {
+    .send = uart_send,
+    .destroy = uart_destroy
+};
+/* clang-format on */
+
+#endif
+
+static char global_heap_buf[270 * 1024] = { 0 };
+
+/* clang-format off */
+static void showUsage()
+{
+#ifndef CONNECTION_UART
+     printf("Usage:\n");
+     printf("\nWork as TCP server mode:\n");
+     printf("\tvgl_wasm_runtime -s|--server_mode -p|--port <Port>\n");
+     printf("where\n");
+     printf("\t<Port> represents the port that would be listened on and the default is 8888\n");
+     printf("\nWork as TCP client mode:\n");
+     printf("\tvgl_wasm_runtime -a|--host_address <Host Address> -p|--port <Port>\n");
+     printf("where\n");
+     printf("\t<Host Address> represents the network address of host and the default is 127.0.0.1\n");
+     printf("\t<Port> represents the listen port of host and the default is 8888\n");
+#else
+     printf("Usage:\n");
+     printf("\tvgl_wasm_runtime -u <Uart Device> -b <Baudrate>\n\n");
+     printf("where\n");
+     printf("\t<Uart Device> represents the UART device name and the default is /dev/ttyS2\n");
+     printf("\t<Baudrate> represents the UART device baudrate and the default is 115200\n");
+#endif
+}
+/* clang-format on */
+
+static bool
+parse_args(int argc, char *argv[])
+{
+    int c;
+
+    while (1) {
+        int optIndex = 0;
+        static struct option longOpts[] = {
+#ifndef CONNECTION_UART
+            { "server_mode", no_argument, NULL, 's' },
+            { "host_address", required_argument, NULL, 'a' },
+            { "port", required_argument, NULL, 'p' },
+#else
+            { "uart", required_argument, NULL, 'u' },
+            { "baudrate", required_argument, NULL, 'b' },
+#endif
+            { "help", required_argument, NULL, 'h' },
+            { 0, 0, 0, 0 }
+        };
+
+        c = getopt_long(argc, argv, "sa:p:u:b:h", longOpts, &optIndex);
+        if (c == -1)
+            break;
+
+        switch (c) {
+#ifndef CONNECTION_UART
+            case 's':
+                server_mode = true;
+                break;
+            case 'a':
+                host_address = optarg;
+                printf("host address: %s\n", host_address);
+                break;
+            case 'p':
+                port = atoi(optarg);
+                printf("port: %d\n", port);
+                break;
+#else
+            case 'u':
+                uart_device = optarg;
+                printf("uart device: %s\n", uart_device);
+                break;
+            case 'b':
+                baudrate = parse_baudrate(atoi(optarg));
+                printf("uart baudrate: %s\n", optarg);
+                break;
+#endif
+            case 'h':
+                showUsage();
+                return false;
+            default:
+                showUsage();
+                return false;
+        }
+    }
+
+    return true;
+}
+
+/**
+ * Initialize the Hardware Abstraction Layer (HAL) for the Littlev graphics
+ * library
+ */
+static void
+hal_init(void)
+{
+    /* Use the 'monitor' driver which creates window on PC's monitor to simulate
+     * a display*/
+    monitor_init();
+
+    /*Create a display buffer*/
+    static lv_disp_buf_t disp_buf1;
+    static lv_color_t buf1_1[480 * 10];
+    lv_disp_buf_init(&disp_buf1, buf1_1, NULL, 480 * 10);
+
+    /*Create a display*/
+    lv_disp_drv_t disp_drv;
+
+    /*Basic initialization*/
+    memset(&disp_drv, 0, sizeof(disp_drv));
+    lv_disp_drv_init(&disp_drv);
+    disp_drv.buffer = &disp_buf1;
+    disp_drv.flush_cb = monitor_flush;
+    //    disp_drv.hor_res = 200;
+    //    disp_drv.ver_res = 100;
+    lv_disp_drv_register(&disp_drv);
+
+    /* Add the mouse as input device
+     * Use the 'mouse' driver which reads the PC's mouse*/
+    mouse_init();
+    lv_indev_drv_t indev_drv;
+    lv_indev_drv_init(&indev_drv); /*Basic initialization*/
+    indev_drv.type = LV_INDEV_TYPE_POINTER;
+    indev_drv.read_cb =
+        mouse_read; /*This function will be called periodically (by the library)
+                       to get the mouse position and state*/
+    lv_indev_drv_register(&indev_drv);
+}
+
+// Driver function
+int
+iwasm_main(int argc, char *argv[])
+{
+    RuntimeInitArgs init_args;
+    korp_tid tid;
+
+    if (!parse_args(argc, argv))
+        return -1;
+
+    memset(&init_args, 0, sizeof(RuntimeInitArgs));
+
+    init_args.mem_alloc_type = Alloc_With_Pool;
+    init_args.mem_alloc_option.pool.heap_buf = global_heap_buf;
+    init_args.mem_alloc_option.pool.heap_size = sizeof(global_heap_buf);
+
+    /* initialize runtime environment */
+    if (!wasm_runtime_full_init(&init_args)) {
+        printf("Init runtime environment failed.\n");
+        return -1;
+    }
+
+    if (!init_connection_framework()) {
+        goto fail1;
+    }
+
+    wgl_init();
+
+    hal_init();
+
+    if (!init_sensor_framework()) {
+        goto fail2;
+    }
+
+    /* timer manager */
+    if (!init_wasm_timer()) {
+        goto fail3;
+    }
+
+#ifndef CONNECTION_UART
+    if (server_mode)
+        os_thread_create(&tid, func_server_mode, NULL,
+                         BH_APPLET_PRESERVED_STACK_SIZE);
+    else
+        os_thread_create(&tid, func, NULL, BH_APPLET_PRESERVED_STACK_SIZE);
+#else
+    os_thread_create(&tid, func_uart_mode, NULL,
+                     BH_APPLET_PRESERVED_STACK_SIZE);
+#endif
+
+    app_manager_startup(&interface);
+
+    exit_wasm_timer();
+
+fail3:
+    exit_sensor_framework();
+
+fail2:
+    wgl_exit();
+    exit_connection_framework();
+
+fail1:
+    wasm_runtime_destroy();
+    return -1;
+}
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/linux/lv_drv_conf.h b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/linux/lv_drv_conf.h
new file mode 100644
index 000000000..d216a3e90
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/linux/lv_drv_conf.h
@@ -0,0 +1,310 @@
+/**
+ * @file lv_drv_conf.h
+ *
+ */
+
+/*
+ * COPY THIS FILE AS lv_drv_conf.h
+ */
+
+#if 1 /*Set it to "1" to enable the content*/
+
+#ifndef LV_DRV_CONF_H
+#define LV_DRV_CONF_H
+
+#include "lv_conf.h"
+
+/*********************
+ * DELAY INTERFACE
+ *********************/
+#define LV_DRV_DELAY_INCLUDE  <stdint.h>            /*Dummy include by default*/
+#define LV_DRV_DELAY_US(us)  /*delay_us(us)*/       /*Delay the given number of microseconds*/
+#define LV_DRV_DELAY_MS(ms)  /*delay_ms(ms)*/       /*Delay the given number of milliseconds*/
+
+/*********************
+ * DISPLAY INTERFACE
+ *********************/
+
+/*------------
+ *  Common
+ *------------*/
+#define LV_DRV_DISP_INCLUDE         <stdint.h>           /*Dummy include by default*/
+#define LV_DRV_DISP_CMD_DATA(val)  /*pin_x_set(val)*/    /*Set the command/data pin to 'val'*/
+#define LV_DRV_DISP_RST(val)       /*pin_x_set(val)*/    /*Set the reset pin to 'val'*/
+
+/*---------
+ *  SPI
+ *---------*/
+#define LV_DRV_DISP_SPI_CS(val)          /*spi_cs_set(val)*/     /*Set the SPI's Chip select to 'val'*/
+#define LV_DRV_DISP_SPI_WR_BYTE(data)    /*spi_wr(data)*/        /*Write a byte the SPI bus*/
+#define LV_DRV_DISP_SPI_WR_ARRAY(adr, n) /*spi_wr_mem(adr, n)*/  /*Write 'n' bytes to SPI bus from 'adr'*/
+
+/*------------------
+ *  Parallel port
+ *-----------------*/
+#define LV_DRV_DISP_PAR_CS(val)          /*par_cs_set(val)*/   /*Set the Parallel port's Chip select to 'val'*/
+#define LV_DRV_DISP_PAR_SLOW             /*par_slow()*/        /*Set low speed on the parallel port*/
+#define LV_DRV_DISP_PAR_FAST             /*par_fast()*/        /*Set high speed on the parallel port*/
+#define LV_DRV_DISP_PAR_WR_WORD(data)    /*par_wr(data)*/      /*Write a word to the parallel port*/
+#define LV_DRV_DISP_PAR_WR_ARRAY(adr, n) /*par_wr_mem(adr,n)*/ /*Write 'n' bytes to Parallel ports from 'adr'*/
+
+/***************************
+ * INPUT DEVICE INTERFACE
+ ***************************/
+
+/*----------
+ *  Common
+ *----------*/
+#define LV_DRV_INDEV_INCLUDE     <stdint.h>             /*Dummy include by default*/
+#define LV_DRV_INDEV_RST(val)    /*pin_x_set(val)*/     /*Set the reset pin to 'val'*/
+#define LV_DRV_INDEV_IRQ_READ    0 /*pn_x_read()*/      /*Read the IRQ pin*/
+
+/*---------
+ *  SPI
+ *---------*/
+#define LV_DRV_INDEV_SPI_CS(val)            /*spi_cs_set(val)*/     /*Set the SPI's Chip select to 'val'*/
+#define LV_DRV_INDEV_SPI_XCHG_BYTE(data)    0 /*spi_xchg(val)*/     /*Write 'val' to SPI and give the read value*/
+
+/*---------
+ *  I2C
+ *---------*/
+#define LV_DRV_INDEV_I2C_START              /*i2c_start()*/       /*Make an I2C start*/
+#define LV_DRV_INDEV_I2C_STOP               /*i2c_stop()*/        /*Make an I2C stop*/
+#define LV_DRV_INDEV_I2C_RESTART            /*i2c_restart()*/     /*Make an I2C restart*/
+#define LV_DRV_INDEV_I2C_WR(data)           /*i2c_wr(data)*/      /*Write a byte to the I1C bus*/
+#define LV_DRV_INDEV_I2C_READ(last_read)    0 /*i2c_rd()*/        /*Read a byte from the I2C bud*/
+
+
+/*********************
+ *  DISPLAY DRIVERS
+ *********************/
+
+/*-------------------
+ *  Monitor of PC
+ *-------------------*/
+#ifndef USE_MONITOR
+#  define USE_MONITOR         1
+#endif
+
+#if USE_MONITOR
+#  define MONITOR_HOR_RES     LV_HOR_RES_MAX
+#  define MONITOR_VER_RES     LV_VER_RES_MAX
+
+/* Scale window by this factor (useful when simulating small screens) */
+#  define MONITOR_ZOOM        1
+
+/* Used to test true double buffering with only address changing.
+ * Set LV_VDB_SIZE = (LV_HOR_RES * LV_VER_RES) and  LV_VDB_DOUBLE = 1 and LV_COLOR_DEPTH = 32" */
+#  define MONITOR_DOUBLE_BUFFERED 0
+
+/*Eclipse: <SDL2/SDL.h>    Visual Studio: <SDL.h>*/
+#  define MONITOR_SDL_INCLUDE_PATH    <SDL2/SDL.h>
+
+/*Different rendering might be used if running in a Virtual machine*/
+#  define MONITOR_VIRTUAL_MACHINE 0
+
+/*Open two windows to test multi display support*/
+#  define MONITOR_DUAL            0
+#endif
+
+/*-----------------------------------
+ *  Native Windows (including mouse)
+ *----------------------------------*/
+#ifndef USE_WINDOWS
+#  define USE_WINDOWS       0
+#endif
+
+#define USE_WINDOWS         0
+#if USE_WINDOWS
+#  define WINDOW_HOR_RES      480
+#  define WINDOW_VER_RES      320
+#endif
+
+/*----------------
+ *    SSD1963
+ *--------------*/
+#ifndef USE_SSD1963
+#  define USE_SSD1963         0
+#endif
+
+#if USE_SSD1963
+#  define SSD1963_HOR_RES     LV_HOR_RES
+#  define SSD1963_VER_RES     LV_VER_RES
+#  define SSD1963_HT          531
+#  define SSD1963_HPS         43
+#  define SSD1963_LPS         8
+#  define SSD1963_HPW         10
+#  define SSD1963_VT          288
+#  define SSD1963_VPS         12
+#  define SSD1963_FPS         4
+#  define SSD1963_VPW         10
+#  define SSD1963_HS_NEG      0   /*Negative hsync*/
+#  define SSD1963_VS_NEG      0   /*Negative vsync*/
+#  define SSD1963_ORI         0   /*0, 90, 180, 270*/
+#  define SSD1963_COLOR_DEPTH 16
+#endif
+
+/*----------------
+ *    R61581
+ *--------------*/
+#ifndef USE_R61581
+#  define USE_R61581          0
+#endif
+
+#if USE_R61581
+#  define R61581_HOR_RES      LV_HOR_RES
+#  define R61581_VER_RES      LV_VER_RES
+#  define R61581_HSPL         0       /*HSYNC signal polarity*/
+#  define R61581_HSL          10      /*HSYNC length (Not Implemented)*/
+#  define R61581_HFP          10      /*Horitontal Front poarch (Not Implemented)*/
+#  define R61581_HBP          10      /*Horitontal Back poarch (Not Implemented */
+#  define R61581_VSPL         0       /*VSYNC signal polarity*/
+#  define R61581_VSL          10      /*VSYNC length (Not Implemented)*/
+#  define R61581_VFP          8       /*Vertical Front poarch*/
+#  define R61581_VBP          8       /*Vertical Back poarch */
+#  define R61581_DPL          0       /*DCLK signal polarity*/
+#  define R61581_EPL          1       /*ENABLE signal polarity*/
+#  define R61581_ORI          0       /*0, 180*/
+#  define R61581_LV_COLOR_DEPTH 16    /*Fix 16 bit*/
+#endif
+
+/*------------------------------
+ *  ST7565 (Monochrome, low res.)
+ *-----------------------------*/
+#ifndef USE_ST7565
+#  define USE_ST7565          0
+#endif
+
+#if USE_ST7565
+/*No settings*/
+#endif  /*USE_ST7565*/
+
+/*-----------------------------------------
+ *  Linux frame buffer device (/dev/fbx)
+ *-----------------------------------------*/
+#ifndef USE_FBDEV
+#  define USE_FBDEV           1
+#endif
+
+#if USE_FBDEV
+#  define FBDEV_PATH          "/dev/fb0"
+#endif
+
+/*********************
+ *  INPUT DEVICES
+ *********************/
+
+/*--------------
+ *    XPT2046
+ *--------------*/
+#ifndef USE_XPT2046
+#  define USE_XPT2046         0
+#endif
+
+#if USE_XPT2046
+#  define XPT2046_HOR_RES     480
+#  define XPT2046_VER_RES     320
+#  define XPT2046_X_MIN       200
+#  define XPT2046_Y_MIN       200
+#  define XPT2046_X_MAX       3800
+#  define XPT2046_Y_MAX       3800
+#  define XPT2046_AVG         4
+#  define XPT2046_INV         0
+#endif
+
+/*-----------------
+ *    FT5406EE8
+ *-----------------*/
+#ifndef USE_FT5406EE8
+#  define USE_FT5406EE8       0
+#endif
+
+#if USE_FT5406EE8
+# define FT5406EE8_I2C_ADR   0x38                  /*7 bit address*/
+#endif
+
+/*---------------
+ *  AD TOUCH
+ *--------------*/
+#ifndef USE_AD_TOUCH
+#  define USE_AD_TOUCH        0
+#endif
+
+#if USE_AD_TOUCH
+/*No settings*/
+#endif
+
+
+/*---------------------------------------
+ * Mouse or touchpad on PC (using SDL)
+ *-------------------------------------*/
+#ifndef USE_MOUSE
+#  define USE_MOUSE           1
+#endif
+
+#if USE_MOUSE
+/*No settings*/
+#endif
+
+/*-------------------------------------------
+ * Mousewheel as encoder on PC (using SDL)
+ *------------------------------------------*/
+#ifndef USE_MOUSEWHEEL
+#  define USE_MOUSEWHEEL      1
+#endif
+
+#if USE_MOUSEWHEEL
+/*No settings*/
+#endif
+
+/*-------------------------------------------------
+ * Touchscreen as libinput interface (for Linux based systems)
+ *------------------------------------------------*/
+#ifndef USE_LIBINPUT
+#  define USE_LIBINPUT           0
+#endif
+
+#if USE_LIBINPUT
+#  define LIBINPUT_NAME   "/dev/input/event0"        /*You can use the "evtest" Linux tool to get the list of devices and test them*/
+#endif  /*USE_LIBINPUT*/
+
+/*-------------------------------------------------
+ * Mouse or touchpad as evdev interface (for Linux based systems)
+ *------------------------------------------------*/
+#ifndef USE_EVDEV
+#  define USE_EVDEV           0
+#endif
+
+#if USE_EVDEV
+#  define EVDEV_NAME   "/dev/input/event0"        /*You can use the "evtest" Linux tool to get the list of devices and test them*/
+#  define EVDEV_SWAP_AXES         0               /*Swap the x and y axes of the touchscreen*/
+
+#  define EVDEV_SCALE             0               /* Scale input, e.g. if touchscreen resolution does not match display resolution */
+#  if EVDEV_SCALE
+#    define EVDEV_SCALE_HOR_RES     (4096)          /* Horizontal resolution of touchscreen */
+#    define EVDEV_SCALE_VER_RES     (4096)          /* Vertical resolution of touchscreen */
+#  endif  /*EVDEV_SCALE*/
+
+#  define EVDEV_CALIBRATE         0               /*Scale and offset the touchscreen coordinates by using maximum and minimum values for each axis*/
+#  if EVDEV_CALIBRATE
+#    define EVDEV_HOR_MIN   3800                    /*If EVDEV_XXX_MIN > EVDEV_XXX_MAX the XXX axis is automatically inverted*/
+#    define EVDEV_HOR_MAX   200
+#    define EVDEV_VER_MIN   200
+#    define EVDEV_VER_MAX   3800
+#  endif  /*EVDEV_SCALE*/
+#endif  /*USE_EVDEV*/
+
+/*-------------------------------
+ *   Keyboard of a PC (using SDL)
+ *------------------------------*/
+#ifndef USE_KEYBOARD
+#  define USE_KEYBOARD        1
+#endif
+
+#if USE_KEYBOARD
+/*No settings*/
+#endif
+
+#endif  /*LV_DRV_CONF_H*/
+
+#endif /*End of "Content enable"*/
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/linux/main.c b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/linux/main.c
new file mode 100644
index 000000000..741e54fd8
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/linux/main.c
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+#include <stdlib.h>
+#include <sys/time.h>
+
+extern int
+iwasm_main(int argc, char *argv[]);
+
+int
+main(int argc, char *argv[])
+{
+    return iwasm_main(argc, argv);
+}
+
+int
+time_get_ms()
+{
+    static struct timeval tv;
+    gettimeofday(&tv, NULL);
+    long long time_in_mill = (tv.tv_sec) * 1000 + (tv.tv_usec) / 1000;
+
+    return (int)time_in_mill;
+}
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/LICENSE b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/LICENSE
new file mode 100644
index 000000000..8f71f43fe
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/LICENSE
@@ -0,0 +1,202 @@
+                                 Apache License
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+
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diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/XPT2046.c b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/XPT2046.c
new file mode 100644
index 000000000..cdad9dac2
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/XPT2046.c
@@ -0,0 +1,344 @@
+/**
+ * @file XPT2046.c
+ */
+/*********************
+ *      INCLUDES
+ *********************/
+#include "XPT2046.h"
+#include "board_config.h"
+#include "stdio.h"
+#include <string.h>
+#include "drivers/spi.h"
+
+#include "zephyr.h"
+#include "kernel.h"
+
+#if USE_XPT2046
+
+#include <stddef.h>
+
+#define abs(x) ((x) < 0 ? -(x) : (x))
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void
+xpt2046_corr(int16_t *x, int16_t *y);
+#if 0
+static void xpt2046_avg(int16_t * x, int16_t * y);
+#endif
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+int16_t avg_buf_x[XPT2046_AVG];
+int16_t avg_buf_y[XPT2046_AVG];
+uint8_t avg_last;
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+/**
+ * Initialize the XPT2046
+ */
+struct device *input_dev;
+
+struct spi_config spi_conf_xpt2046;
+struct spi_cs_control xpt2046_cs_ctrl;
+struct device *xpt2046_pen_gpio_dev;
+static struct gpio_callback gpio_cb;
+lv_indev_data_t touch_point;
+lv_indev_data_t last_touch_point;
+
+#define TOUCH_READ_THREAD_STACK_SIZE 4096
+static K_THREAD_STACK_DEFINE(touch_read_thread_stack,
+                             TOUCH_READ_THREAD_STACK_SIZE);
+static struct k_thread touch_thread_data;
+static struct k_sem sem_touch_read;
+
+K_MUTEX_DEFINE(spi_display_touch_mutex);
+
+int cnt = 0;
+int touch_read_times = 0;
+int last_pen_interrupt_time = 0;
+void
+xpt2046_pen_gpio_callback(struct device *port, struct gpio_callback *cb,
+                          u32_t pins)
+{
+    cnt++;
+    if ((k_uptime_get_32() - last_pen_interrupt_time) > 500) {
+        k_sem_give(&sem_touch_read);
+        touch_read_times++;
+        last_pen_interrupt_time = k_uptime_get_32();
+    }
+}
+
+void
+disable_pen_interrupt()
+{
+    int ret = 0;
+    ret = gpio_disable_callback(xpt2046_pen_gpio_dev, XPT2046_PEN_GPIO_PIN);
+    if (ret != 0) {
+        printf("gpio_pin_configure GPIO_INPUT failed\n");
+    }
+}
+void
+enable_pen_interrupt()
+{
+    int ret = 0;
+    ret = gpio_enable_callback(xpt2046_pen_gpio_dev, XPT2046_PEN_GPIO_PIN);
+    if (ret != 0) {
+        printf("gpio_pin_configure failed\n");
+    }
+}
+
+void
+touch_screen_read_thread()
+{
+    int i;
+    bool ret = false;
+
+    for (;;) {
+        k_sem_take(&sem_touch_read, K_FOREVER);
+        memset(&last_touch_point, 0, sizeof(lv_indev_data_t));
+        memset(&touch_point, 0, sizeof(lv_indev_data_t));
+        memset(avg_buf_x, 0, sizeof(avg_buf_x));
+        memset(avg_buf_y, 0, sizeof(avg_buf_y));
+        k_mutex_lock(&spi_display_touch_mutex, K_FOREVER);
+        disable_pen_interrupt();
+        for (i = 0; i < 100; i++) {
+            ret = xpt2046_read(&touch_point);
+            if (ret) {
+                if ((abs(last_touch_point.point.x - touch_point.point.x) < 4)
+                    && (abs(last_touch_point.point.y - touch_point.point.y)
+                        < 4)) {
+                    break;
+                }
+                last_touch_point = touch_point;
+            }
+        }
+        enable_pen_interrupt();
+        k_mutex_unlock(&spi_display_touch_mutex);
+    }
+}
+
+void
+xpt2046_init(void)
+{
+    int ret;
+    input_dev = device_get_binding(XPT2046_SPI_DEVICE_NAME);
+
+    if (input_dev == NULL) {
+        printf("device not found.  Aborting test.");
+        return;
+    }
+    memset((void *)&touch_point, 0, sizeof(lv_indev_data_t));
+
+    spi_conf_xpt2046.frequency = XPT2046_SPI_MAX_FREQUENCY;
+    spi_conf_xpt2046.operation = SPI_OP_MODE_MASTER | SPI_WORD_SET(8);
+    spi_conf_xpt2046.slave = 0;
+    spi_conf_xpt2046.cs = NULL;
+#ifdef XPT2046_CS_GPIO_CONTROLLER
+    xpt2046_cs_ctrl.gpio_dev = device_get_binding(XPT2046_CS_GPIO_CONTROLLER);
+    if (xpt2046_cs_ctrl.gpio_dev == NULL) {
+        printk("Cannot find %s!\n", XPT2046_CS_GPIO_CONTROLLER);
+        return;
+    }
+    gpio_pin_configure(xpt2046_cs_ctrl.gpio_dev, XPT2046_CS_GPIO_PIN,
+                       GPIO_OUTPUT);
+    gpio_pin_set(xpt2046_cs_ctrl.gpio_dev, XPT2046_CS_GPIO_PIN, 1);
+    xpt2046_cs_ctrl.gpio_pin = XPT2046_CS_GPIO_PIN;
+    xpt2046_cs_ctrl.delay = 0;
+    spi_conf_xpt2046.cs = &xpt2046_cs_ctrl;
+
+#endif
+
+#ifdef XPT2046_PEN_GPIO_CONTROLLER
+
+    xpt2046_pen_gpio_dev = device_get_binding(XPT2046_PEN_GPIO_CONTROLLER);
+    if (!xpt2046_pen_gpio_dev) {
+        printk("Cannot find %s!\n", XPT2046_PEN_GPIO_CONTROLLER);
+        return;
+    }
+    /* Setup GPIO input */
+    ret = gpio_pin_configure(xpt2046_pen_gpio_dev, XPT2046_PEN_GPIO_PIN,
+                             (GPIO_INPUT | GPIO_INT_ENABLE | GPIO_INT_EDGE
+                              | GPIO_INT_LOW_0 | GPIO_INT_DEBOUNCE));
+    if (ret) {
+        printk("Error configuring pin %d!\n", XPT2046_PEN_GPIO_PIN);
+    }
+
+    gpio_init_callback(&gpio_cb, xpt2046_pen_gpio_callback,
+                       BIT(XPT2046_PEN_GPIO_PIN));
+
+    ret = gpio_add_callback(xpt2046_pen_gpio_dev, &gpio_cb);
+    if (ret) {
+        printk("gpio_add_callback error\n");
+    }
+    ret = gpio_enable_callback(xpt2046_pen_gpio_dev, XPT2046_PEN_GPIO_PIN);
+    if (ret) {
+        printk("gpio_enable_callback error\n");
+    }
+#endif
+
+    k_sem_init(&sem_touch_read, 0, 1);
+
+    k_thread_create(&touch_thread_data, touch_read_thread_stack,
+                    TOUCH_READ_THREAD_STACK_SIZE, touch_screen_read_thread,
+                    NULL, NULL, NULL, 5, 0, K_NO_WAIT);
+    printf("xpt2046_init ok \n");
+}
+
+/**
+ * Get the current position and state of the touchpad
+ * @param data store the read data here
+ * @return false: because no ore data to be read
+ */
+bool
+xpt2046_read(lv_indev_data_t *data)
+{
+    static int16_t last_x = 0;
+    static int16_t last_y = 0;
+    bool valid = true;
+    int s32_ret = 0;
+
+    int16_t x = 0;
+    int16_t y = 0;
+
+    char tx1[16] = { 0 };
+    char rx1[16] = { 0 };
+
+    struct spi_buf tx_buf = { .buf = &tx1, .len = 3 };
+    struct spi_buf_set tx_bufs = { .buffers = &tx_buf, .count = 1 };
+    struct spi_buf rx_buf = { .buf = &rx1, .len = 3 };
+    struct spi_buf_set rx_bufs = { .buffers = &rx_buf, .count = 1 };
+
+    tx1[0] = CMD_X_READ;
+    s32_ret = spi_transceive(input_dev, &spi_conf_xpt2046, &tx_bufs, &rx_bufs);
+    if (s32_ret != 0) {
+        printf("spi_transceive return failed:%d\n", s32_ret);
+    }
+    x = rx1[1] << 8;
+    x += rx1[2];
+
+    tx1[0] = CMD_Y_READ;
+    s32_ret = spi_transceive(input_dev, &spi_conf_xpt2046, &tx_bufs, &rx_bufs);
+    if (s32_ret != 0) {
+        printf("spi_transceive return failed:%d\n", s32_ret);
+    }
+    y = rx1[1] << 8;
+    y += rx1[2];
+    x = x >> 3;
+    y = y >> 3;
+
+    xpt2046_corr(&x, &y);
+    if (y <= 0 || (x > 320)) {
+        valid = false;
+    }
+
+    last_x = x;
+    last_y = y;
+
+    data->point.x = x;
+    data->point.y = y;
+    data->state = valid == false ? LV_INDEV_STATE_REL : LV_INDEV_STATE_PR;
+
+    return valid;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+static void
+xpt2046_corr(int16_t *x, int16_t *y)
+{
+#if XPT2046_XY_SWAP != 0
+    int16_t swap_tmp;
+    swap_tmp = *x;
+    *x = *y;
+    *y = swap_tmp;
+#endif
+
+    if ((*x) > XPT2046_X_MIN)
+        (*x) -= XPT2046_X_MIN;
+    else
+        (*x) = 0;
+
+    if ((*y) > XPT2046_Y_MIN)
+        (*y) -= XPT2046_Y_MIN;
+    else
+        (*y) = 0;
+
+    (*x) = (uint32_t)((uint32_t)(*x) * XPT2046_HOR_RES)
+           / (XPT2046_X_MAX - XPT2046_X_MIN);
+
+    (*y) = (uint32_t)((uint32_t)(*y) * XPT2046_VER_RES)
+           / (XPT2046_Y_MAX - XPT2046_Y_MIN);
+
+#if XPT2046_X_INV != 0
+    (*x) = XPT2046_HOR_RES - (*x);
+#endif
+
+#if XPT2046_Y_INV != 0
+    (*y) = XPT2046_VER_RES - (*y);
+#endif
+}
+
+#if 0
+static void xpt2046_avg(int16_t * x, int16_t * y)
+{
+    /*Shift out the oldest data*/
+    uint8_t i;
+    for (i = XPT2046_AVG - 1; i > 0; i--) {
+        avg_buf_x[i] = avg_buf_x[i - 1];
+        avg_buf_y[i] = avg_buf_y[i - 1];
+    }
+
+    /*Insert the new point*/
+    avg_buf_x[0] = *x;
+    avg_buf_y[0] = *y;
+    if (avg_last < XPT2046_AVG)
+        avg_last++;
+
+    /*Sum the x and y coordinates*/
+    int32_t x_sum = 0;
+    int32_t y_sum = 0;
+    for (i = 0; i < avg_last; i++) {
+        x_sum += avg_buf_x[i];
+        y_sum += avg_buf_y[i];
+    }
+
+    /*Normalize the sums*/
+    (*x) = (int32_t) x_sum / avg_last;
+    (*y) = (int32_t) y_sum / avg_last;
+}
+#endif
+
+bool
+touchscreen_read(lv_indev_data_t *data)
+{
+    /*Store the collected data*/
+    data->point.x = last_touch_point.point.x;
+    data->point.y = last_touch_point.point.y;
+    data->state = last_touch_point.state;
+
+    if (last_touch_point.state == LV_INDEV_STATE_PR) {
+        last_touch_point.state = LV_INDEV_STATE_REL;
+    }
+    return false;
+}
+
+#endif
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/XPT2046.h b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/XPT2046.h
new file mode 100644
index 000000000..228321dcc
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/XPT2046.h
@@ -0,0 +1,65 @@
+/**
+ * @file XPT2046.h
+ *
+ */
+
+#ifndef XPT2046_H
+#define XPT2046_H
+
+#define USE_XPT2046 1
+
+#define XPT2046_HOR_RES 320
+#define XPT2046_VER_RES 240
+#define XPT2046_X_MIN 200
+#define XPT2046_Y_MIN 200
+#define XPT2046_X_MAX 3800
+#define XPT2046_Y_MAX 3800
+#define XPT2046_AVG 4
+#define XPT2046_INV 0
+
+#define CMD_X_READ 0b10010000
+#define CMD_Y_READ 0b11010000
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#if USE_XPT2046
+#include <autoconf.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include "lv_hal/lv_hal_indev.h"
+#include "device.h"
+#include "drivers/gpio.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+void
+xpt2046_init(void);
+bool
+xpt2046_read(lv_indev_data_t *data);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#endif /* USE_XPT2046 */
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* XPT2046_H */
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/board_config.h b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/board_config.h
new file mode 100644
index 000000000..d7ea279a9
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/board_config.h
@@ -0,0 +1,9 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+#ifndef __BOARD_CONFIG_H__
+#define __BOARD_CONFIG_H__
+#include "pin_config_stm32.h"
+
+#endif /* __BOARD_CONFIG_H__ */
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/display.h b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/display.h
new file mode 100644
index 000000000..8354ca378
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/display.h
@@ -0,0 +1,418 @@
+/*
+ * Copyright (c) 2017 Jan Van Winkel <jan.van_winkel@dxplore.eu>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file
+ * @brief Public API for display drivers and applications
+ */
+
+#ifndef ZEPHYR_INCLUDE_DISPLAY_H_
+#define ZEPHYR_INCLUDE_DISPLAY_H_
+
+/**
+ * @brief Display Interface
+ * @defgroup display_interface Display Interface
+ * @ingroup display_interfaces
+ * @{
+ */
+
+#include <device.h>
+#include <stddef.h>
+#include <zephyr/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum display_pixel_format {
+    PIXEL_FORMAT_RGB_888 = BIT(0),
+    PIXEL_FORMAT_MONO01 = BIT(1), /* 0=Black 1=White */
+    PIXEL_FORMAT_MONO10 = BIT(2), /* 1=Black 0=White */
+    PIXEL_FORMAT_ARGB_8888 = BIT(3),
+    PIXEL_FORMAT_RGB_565 = BIT(4),
+};
+
+enum display_screen_info {
+    /**
+     * If selected, one octet represents 8 pixels ordered vertically,
+     * otherwise ordered horizontally.
+     */
+    SCREEN_INFO_MONO_VTILED = BIT(0),
+    /**
+     * If selected, the MSB represents the first pixel,
+     * otherwise MSB represents the last pixel.
+     */
+    SCREEN_INFO_MONO_MSB_FIRST = BIT(1),
+    /**
+     * Electrophoretic Display.
+     */
+    SCREEN_INFO_EPD = BIT(2),
+    /**
+     * Screen has two alternating ram buffers
+     */
+    SCREEN_INFO_DOUBLE_BUFFER = BIT(3),
+};
+
+/**
+ * @enum display_orientation
+ * @brief Enumeration with possible display orientation
+ *
+ */
+enum display_orientation {
+    DISPLAY_ORIENTATION_NORMAL,
+    DISPLAY_ORIENTATION_ROTATED_90,
+    DISPLAY_ORIENTATION_ROTATED_180,
+    DISPLAY_ORIENTATION_ROTATED_270,
+};
+
+/**
+ * @struct display_capabilities
+ * @brief Structure holding display capabilities
+ *
+ * @var u16_t display_capabilities::x_resolution
+ * Display resolution in the X direction
+ *
+ * @var u16_t display_capabilities::y_resolution
+ * Display resolution in the Y direction
+ *
+ * @var u32_t display_capabilities::supported_pixel_formats
+ * Bitwise or of pixel formats supported by the display
+ *
+ * @var u32_t display_capabilities::screen_info
+ * Information about display panel
+ *
+ * @var enum display_pixel_format display_capabilities::current_pixel_format
+ * Currently active pixel format for the display
+ *
+ * @var enum display_orientation display_capabilities::current_orientation
+ * Current display orientation
+ *
+ */
+struct display_capabilities {
+    u16_t x_resolution;
+    u16_t y_resolution;
+    u32_t supported_pixel_formats;
+    u32_t screen_info;
+    enum display_pixel_format current_pixel_format;
+    enum display_orientation current_orientation;
+};
+
+/**
+ * @struct display_buffer_descriptor
+ * @brief Structure to describe display data buffer layout
+ *
+ * @var u32_t display_buffer_descriptor::buf_size
+ * Data buffer size in bytes
+ *
+ * @var u16_t display_buffer_descriptor::width
+ * Data buffer row width in pixels
+ *
+ * @var u16_t display_buffer_descriptor::height
+ * Data buffer column height in pixels
+ *
+ * @var u16_t display_buffer_descriptor::pitch
+ * Number of pixels between consecutive rows in the data buffer
+ *
+ */
+struct display_buffer_descriptor {
+    u32_t buf_size;
+    u16_t width;
+    u16_t height;
+    u16_t pitch;
+};
+
+/**
+ * @typedef display_blanking_on_api
+ * @brief Callback API to turn on display blanking
+ * See display_blanking_on() for argument description
+ */
+typedef int (*display_blanking_on_api)(const struct device *dev);
+
+/**
+ * @typedef display_blanking_off_api
+ * @brief Callback API to turn off display blanking
+ * See display_blanking_off() for argument description
+ */
+typedef int (*display_blanking_off_api)(const struct device *dev);
+
+/**
+ * @typedef display_write_api
+ * @brief Callback API for writing data to the display
+ * See display_write() for argument description
+ */
+typedef int (*display_write_api)(const struct device *dev, const u16_t x,
+                                 const u16_t y,
+                                 const struct display_buffer_descriptor *desc,
+                                 const void *buf);
+
+/**
+ * @typedef display_read_api
+ * @brief Callback API for reading data from the display
+ * See display_read() for argument description
+ */
+typedef int (*display_read_api)(const struct device *dev, const u16_t x,
+                                const u16_t y,
+                                const struct display_buffer_descriptor *desc,
+                                void *buf);
+
+/**
+ * @typedef display_get_framebuffer_api
+ * @brief Callback API to get framebuffer pointer
+ * See display_get_framebuffer() for argument description
+ */
+typedef void *(*display_get_framebuffer_api)(const struct device *dev);
+
+/**
+ * @typedef display_set_brightness_api
+ * @brief Callback API to set display brightness
+ * See display_set_brightness() for argument description
+ */
+typedef int (*display_set_brightness_api)(const struct device *dev,
+                                          const u8_t brightness);
+
+/**
+ * @typedef display_set_contrast_api
+ * @brief Callback API to set display contrast
+ * See display_set_contrast() for argument description
+ */
+typedef int (*display_set_contrast_api)(const struct device *dev,
+                                        const u8_t contrast);
+
+/**
+ * @typedef display_get_capabilities_api
+ * @brief Callback API to get display capabilities
+ * See display_get_capabilities() for argument description
+ */
+typedef void (*display_get_capabilities_api)(
+    const struct device *dev, struct display_capabilities *capabilities);
+
+/**
+ * @typedef display_set_pixel_format_api
+ * @brief Callback API to set pixel format used by the display
+ * See display_set_pixel_format() for argument description
+ */
+typedef int (*display_set_pixel_format_api)(
+    const struct device *dev, const enum display_pixel_format pixel_format);
+
+/**
+ * @typedef display_set_orientation_api
+ * @brief Callback API to set orientation used by the display
+ * See display_set_orientation() for argument description
+ */
+typedef int (*display_set_orientation_api)(
+    const struct device *dev, const enum display_orientation orientation);
+
+/**
+ * @brief Display driver API
+ * API which a display driver should expose
+ */
+struct display_driver_api {
+    display_blanking_on_api blanking_on;
+    display_blanking_off_api blanking_off;
+    display_write_api write;
+    display_read_api read;
+    display_get_framebuffer_api get_framebuffer;
+    display_set_brightness_api set_brightness;
+    display_set_contrast_api set_contrast;
+    display_get_capabilities_api get_capabilities;
+    display_set_pixel_format_api set_pixel_format;
+    display_set_orientation_api set_orientation;
+};
+extern struct ili9340_data ili9340_data1;
+extern struct display_driver_api ili9340_api1;
+/**
+ * @brief Write data to display
+ *
+ * @param dev Pointer to device structure
+ * @param x x Coordinate of the upper left corner where to write the buffer
+ * @param y y Coordinate of the upper left corner where to write the buffer
+ * @param desc Pointer to a structure describing the buffer layout
+ * @param buf Pointer to buffer array
+ *
+ * @retval 0 on success else negative errno code.
+ */
+static inline int
+display_write(const struct device *dev, const u16_t x, const u16_t y,
+              const struct display_buffer_descriptor *desc, const void *buf)
+{
+    struct display_driver_api *api = &ili9340_api1;
+    //(struct display_driver_api *)dev->driver_api;
+
+    return api->write(dev, x, y, desc, buf);
+}
+
+/**
+ * @brief Read data from display
+ *
+ * @param dev Pointer to device structure
+ * @param x x Coordinate of the upper left corner where to read from
+ * @param y y Coordinate of the upper left corner where to read from
+ * @param desc Pointer to a structure describing the buffer layout
+ * @param buf Pointer to buffer array
+ *
+ * @retval 0 on success else negative errno code.
+ */
+static inline int
+display_read(const struct device *dev, const u16_t x, const u16_t y,
+             const struct display_buffer_descriptor *desc, void *buf)
+{
+    struct display_driver_api *api = &ili9340_api1;
+    //(struct display_driver_api *)dev->driver_api;
+
+    return api->read(dev, x, y, desc, buf);
+}
+
+/**
+ * @brief Get pointer to framebuffer for direct access
+ *
+ * @param dev Pointer to device structure
+ *
+ * @retval Pointer to frame buffer or NULL if direct framebuffer access
+ * is not supported
+ *
+ */
+static inline void *
+display_get_framebuffer(const struct device *dev)
+{
+    struct display_driver_api *api = &ili9340_api1;
+    //(struct display_driver_api *)dev->driver_api;
+
+    return api->get_framebuffer(dev);
+}
+
+/**
+ * @brief Turn display blanking on
+ *
+ * @param dev Pointer to device structure
+ *
+ * @retval 0 on success else negative errno code.
+ */
+static inline int
+display_blanking_on(const struct device *dev)
+{
+    struct display_driver_api *api = &ili9340_api1;
+    //(struct display_driver_api *)dev->driver_api;
+
+    return api->blanking_on(dev);
+}
+
+/**
+ * @brief Turn display blanking off
+ *
+ * @param dev Pointer to device structure
+ *
+ * @retval 0 on success else negative errno code.
+ */
+static inline int
+display_blanking_off(const struct device *dev)
+{
+    struct display_driver_api *api = &ili9340_api1;
+    //(struct display_driver_api *)dev->driver_api;
+
+    return api->blanking_off(dev);
+}
+
+/**
+ * @brief Set the brightness of the display
+ *
+ * Set the brightness of the display in steps of 1/256, where 255 is full
+ * brightness and 0 is minimal.
+ *
+ * @param dev Pointer to device structure
+ * @param brightness Brightness in steps of 1/256
+ *
+ * @retval 0 on success else negative errno code.
+ */
+static inline int
+display_set_brightness(const struct device *dev, u8_t brightness)
+{
+    struct display_driver_api *api = &ili9340_api1;
+    //(struct display_driver_api *)dev->driver_api;
+
+    return api->set_brightness(dev, brightness);
+}
+
+/**
+ * @brief Set the contrast of the display
+ *
+ * Set the contrast of the display in steps of 1/256, where 255 is maximum
+ * difference and 0 is minimal.
+ *
+ * @param dev Pointer to device structure
+ * @param contrast Contrast in steps of 1/256
+ *
+ * @retval 0 on success else negative errno code.
+ */
+static inline int
+display_set_contrast(const struct device *dev, u8_t contrast)
+{
+    struct display_driver_api *api = &ili9340_api1;
+    //(struct display_driver_api *)dev->driver_api;
+
+    return api->set_contrast(dev, contrast);
+}
+
+/**
+ * @brief Get display capabilities
+ *
+ * @param dev Pointer to device structure
+ * @param capabilities Pointer to capabilities structure to populate
+ */
+static inline void
+display_get_capabilities(const struct device *dev,
+                         struct display_capabilities *capabilities)
+{
+    struct display_driver_api *api = &ili9340_api1;
+    //(struct display_driver_api *)dev->driver_api;
+
+    api->get_capabilities(dev, capabilities);
+}
+
+/**
+ * @brief Set pixel format used by the display
+ *
+ * @param dev Pointer to device structure
+ * @param pixel_format Pixel format to be used by display
+ *
+ * @retval 0 on success else negative errno code.
+ */
+static inline int
+display_set_pixel_format(const struct device *dev,
+                         const enum display_pixel_format pixel_format)
+{
+    struct display_driver_api *api = &ili9340_api1;
+    //(struct display_driver_api *)dev->driver_api;
+
+    return api->set_pixel_format(dev, pixel_format);
+}
+
+/**
+ * @brief Set display orientation
+ *
+ * @param dev Pointer to device structure
+ * @param orientation Orientation to be used by display
+ *
+ * @retval 0 on success else negative errno code.
+ */
+static inline int
+display_set_orientation(const struct device *dev,
+                        const enum display_orientation orientation)
+{
+    struct display_driver_api *api = &ili9340_api1;
+    //(struct display_driver_api *)dev->driver_api;
+
+    return api->set_orientation(dev, orientation);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+/**
+ * @}
+ */
+
+#endif /* ZEPHYR_INCLUDE_DISPLAY_H_*/
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/display_ili9340.c b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/display_ili9340.c
new file mode 100644
index 000000000..6dd8a330a
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/display_ili9340.c
@@ -0,0 +1,283 @@
+/*
+ * Copyright (c) 2017 Jan Van Winkel <jan.van_winkel@dxplore.eu>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "display_ili9340.h"
+#include <display.h>
+
+//#define LOG_LEVEL CONFIG_DISPLAY_LOG_LEVEL
+//#include <logging/log.h>
+// LOG_MODULE_REGISTER(display_ili9340);
+#define LOG_ERR printf
+#define LOG_DBG printf
+#define LOG_WRN printf
+
+#include <drivers/gpio.h>
+#include <sys/byteorder.h>
+#include <drivers/spi.h>
+#include <string.h>
+#include <stdio.h>
+
+struct ili9340_data {
+    struct device *reset_gpio;
+    struct device *command_data_gpio;
+    struct device *spi_dev;
+    struct spi_config spi_config;
+#ifdef DT_ILITEK_ILI9340_0_CS_GPIO_CONTROLLER
+    struct spi_cs_control cs_ctrl;
+#endif
+};
+
+struct ili9340_data ili9340_data1;
+
+#define ILI9340_CMD_DATA_PIN_COMMAND 0
+#define ILI9340_CMD_DATA_PIN_DATA 1
+
+static void
+ili9340_exit_sleep(struct ili9340_data *data)
+{
+    ili9340_transmit(data, ILI9340_CMD_EXIT_SLEEP, NULL, 0);
+    // k_sleep(Z_TIMEOUT_MS(120));
+}
+
+int
+ili9340_init()
+{
+    struct ili9340_data *data = &ili9340_data1;
+    printf("Initializing display driver\n");
+    data->spi_dev = device_get_binding(DT_ILITEK_ILI9340_0_BUS_NAME);
+    if (data->spi_dev == NULL) {
+        return -EPERM;
+    }
+    data->spi_config.frequency = DT_ILITEK_ILI9340_0_SPI_MAX_FREQUENCY;
+    data->spi_config.operation =
+        SPI_OP_MODE_MASTER
+        | SPI_WORD_SET(8); // SPI_OP_MODE_MASTER | SPI_WORD_SET(8);
+    data->spi_config.slave = DT_ILITEK_ILI9340_0_BASE_ADDRESS;
+
+#ifdef DT_ILITEK_ILI9340_0_CS_GPIO_CONTROLLER
+    data->cs_ctrl.gpio_dev =
+        device_get_binding(DT_ILITEK_ILI9340_0_CS_GPIO_CONTROLLER);
+    data->cs_ctrl.gpio_pin = DT_ILITEK_ILI9340_0_CS_GPIO_PIN;
+    data->cs_ctrl.delay = 0;
+    data->spi_config.cs = &(data->cs_ctrl);
+#else
+    data->spi_config.cs = NULL;
+#endif
+    data->reset_gpio =
+        device_get_binding(DT_ILITEK_ILI9340_0_RESET_GPIOS_CONTROLLER);
+    if (data->reset_gpio == NULL) {
+        return -EPERM;
+    }
+
+    gpio_pin_configure(data->reset_gpio, DT_ILITEK_ILI9340_0_RESET_GPIOS_PIN,
+                       GPIO_OUTPUT);
+
+    data->command_data_gpio =
+        device_get_binding(DT_ILITEK_ILI9340_0_CMD_DATA_GPIOS_CONTROLLER);
+    if (data->command_data_gpio == NULL) {
+        return -EPERM;
+    }
+
+    gpio_pin_configure(data->command_data_gpio,
+                       DT_ILITEK_ILI9340_0_CMD_DATA_GPIOS_PIN, GPIO_OUTPUT);
+
+    LOG_DBG("Resetting display driver\n");
+    gpio_pin_set(data->reset_gpio, DT_ILITEK_ILI9340_0_RESET_GPIOS_PIN, 1);
+    k_sleep(Z_TIMEOUT_MS(1));
+    gpio_pin_set(data->reset_gpio, DT_ILITEK_ILI9340_0_RESET_GPIOS_PIN, 0);
+    k_sleep(Z_TIMEOUT_MS(1));
+    gpio_pin_set(data->reset_gpio, DT_ILITEK_ILI9340_0_RESET_GPIOS_PIN, 1);
+    k_sleep(Z_TIMEOUT_MS(5));
+
+    LOG_DBG("Initializing LCD\n");
+    ili9340_lcd_init(data);
+
+    LOG_DBG("Exiting sleep mode\n");
+    ili9340_exit_sleep(data);
+
+    return 0;
+}
+
+static void
+ili9340_set_mem_area(struct ili9340_data *data, const u16_t x, const u16_t y,
+                     const u16_t w, const u16_t h)
+{
+    u16_t spi_data[2];
+
+    spi_data[0] = sys_cpu_to_be16(x);
+    spi_data[1] = sys_cpu_to_be16(x + w - 1);
+    ili9340_transmit(data, ILI9340_CMD_COLUMN_ADDR, &spi_data[0], 4);
+
+    spi_data[0] = sys_cpu_to_be16(y);
+    spi_data[1] = sys_cpu_to_be16(y + h - 1);
+    ili9340_transmit(data, ILI9340_CMD_PAGE_ADDR, &spi_data[0], 4);
+}
+
+static int
+ili9340_write(const struct device *dev, const u16_t x, const u16_t y,
+              const struct display_buffer_descriptor *desc, const void *buf)
+{
+    struct ili9340_data *data = (struct ili9340_data *)&ili9340_data1;
+    const u8_t *write_data_start = (u8_t *)buf;
+    struct spi_buf tx_buf;
+    struct spi_buf_set tx_bufs;
+    u16_t write_cnt;
+    u16_t nbr_of_writes;
+    u16_t write_h;
+
+    __ASSERT(desc->width <= desc->pitch, "Pitch is smaller then width");
+    __ASSERT((3 * desc->pitch * desc->height) <= desc->buf_size,
+             "Input buffer to small");
+    ili9340_set_mem_area(data, x, y, desc->width, desc->height);
+
+    if (desc->pitch > desc->width) {
+        write_h = 1U;
+        nbr_of_writes = desc->height;
+    }
+    else {
+        write_h = desc->height;
+        nbr_of_writes = 1U;
+    }
+    ili9340_transmit(data, ILI9340_CMD_MEM_WRITE, (void *)write_data_start,
+                     3 * desc->width * write_h);
+
+    tx_bufs.buffers = &tx_buf;
+    tx_bufs.count = 1;
+
+    write_data_start += (3 * desc->pitch);
+    for (write_cnt = 1U; write_cnt < nbr_of_writes; ++write_cnt) {
+        tx_buf.buf = (void *)write_data_start;
+        tx_buf.len = 3 * desc->width * write_h;
+        spi_transceive(data->spi_dev, &data->spi_config, &tx_bufs, NULL);
+        write_data_start += (3 * desc->pitch);
+    }
+
+    return 0;
+}
+
+static int
+ili9340_read(const struct device *dev, const u16_t x, const u16_t y,
+             const struct display_buffer_descriptor *desc, void *buf)
+{
+    LOG_ERR("Reading not supported\n");
+    return -ENOTSUP;
+}
+
+static void *
+ili9340_get_framebuffer(const struct device *dev)
+{
+    LOG_ERR("Direct framebuffer access not supported\n");
+    return NULL;
+}
+
+static int
+ili9340_display_blanking_off(const struct device *dev)
+{
+    struct ili9340_data *data = (struct ili9340_data *)dev->driver_data;
+
+    LOG_DBG("Turning display blanking off\n");
+    ili9340_transmit(data, ILI9340_CMD_DISPLAY_ON, NULL, 0);
+    return 0;
+}
+
+static int
+ili9340_display_blanking_on(const struct device *dev)
+{
+    struct ili9340_data *data = (struct ili9340_data *)dev->driver_data;
+
+    LOG_DBG("Turning display blanking on\n");
+    ili9340_transmit(data, ILI9340_CMD_DISPLAY_OFF, NULL, 0);
+    return 0;
+}
+
+static int
+ili9340_set_brightness(const struct device *dev, const u8_t brightness)
+{
+    LOG_WRN("Set brightness not implemented\n");
+    return -ENOTSUP;
+}
+
+static int
+ili9340_set_contrast(const struct device *dev, const u8_t contrast)
+{
+    LOG_ERR("Set contrast not supported\n");
+    return -ENOTSUP;
+}
+
+static int
+ili9340_set_pixel_format(const struct device *dev,
+                         const enum display_pixel_format pixel_format)
+{
+    if (pixel_format == PIXEL_FORMAT_RGB_888) {
+        return 0;
+    }
+    LOG_ERR("Pixel format change not implemented\n");
+    return -ENOTSUP;
+}
+
+static int
+ili9340_set_orientation(const struct device *dev,
+                        const enum display_orientation orientation)
+{
+    if (orientation == DISPLAY_ORIENTATION_NORMAL) {
+        return 0;
+    }
+    LOG_ERR("Changing display orientation not implemented\n");
+    return -ENOTSUP;
+}
+
+static void
+ili9340_get_capabilities(const struct device *dev,
+                         struct display_capabilities *capabilities)
+{
+    memset(capabilities, 0, sizeof(struct display_capabilities));
+    capabilities->x_resolution = 320;
+    capabilities->y_resolution = 240;
+    capabilities->supported_pixel_formats = PIXEL_FORMAT_RGB_888;
+    capabilities->current_pixel_format = PIXEL_FORMAT_RGB_888;
+    capabilities->current_orientation = DISPLAY_ORIENTATION_NORMAL;
+}
+
+void
+ili9340_transmit(struct ili9340_data *data, u8_t cmd, void *tx_data,
+                 size_t tx_len)
+{
+    data = (struct ili9340_data *)&ili9340_data1;
+    struct spi_buf tx_buf = { .buf = &cmd, .len = 1 };
+    struct spi_buf_set tx_bufs = { .buffers = &tx_buf, .count = 1 };
+
+    gpio_pin_set(data->command_data_gpio,
+                 DT_ILITEK_ILI9340_0_CMD_DATA_GPIOS_PIN,
+                 ILI9340_CMD_DATA_PIN_COMMAND);
+    spi_transceive(data->spi_dev, &data->spi_config, &tx_bufs, NULL);
+    if (tx_data != NULL) {
+        tx_buf.buf = tx_data;
+        tx_buf.len = tx_len;
+        gpio_pin_set(data->command_data_gpio,
+                     DT_ILITEK_ILI9340_0_CMD_DATA_GPIOS_PIN,
+                     ILI9340_CMD_DATA_PIN_DATA);
+        spi_transceive(data->spi_dev, &data->spi_config, &tx_bufs, NULL);
+    }
+}
+
+struct display_driver_api ili9340_api1 = {
+    .blanking_on = ili9340_display_blanking_on,
+    .blanking_off = ili9340_display_blanking_off,
+    .write = ili9340_write,
+    .read = ili9340_read,
+    .get_framebuffer = ili9340_get_framebuffer,
+    .set_brightness = ili9340_set_brightness,
+    .set_contrast = ili9340_set_contrast,
+    .get_capabilities = ili9340_get_capabilities,
+    .set_pixel_format = ili9340_set_pixel_format,
+    .set_orientation = ili9340_set_orientation
+};
+
+/*
+ DEVICE_AND_API_INIT(ili9340, DT_ILITEK_ILI9340_0_LABEL, &ili9340_init,
+ &ili9340_data, NULL, APPLICATION,
+ CONFIG_APPLICATION_INIT_PRIORITY, &ili9340_api);
+ */
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/display_ili9340.h b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/display_ili9340.h
new file mode 100644
index 000000000..f72279d69
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/display_ili9340.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2017 Jan Van Winkel <jan.van_winkel@dxplore.eu>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#ifndef ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9340_H_
+#define ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9340_H_
+#include "board_config.h"
+#include <autoconf.h>
+#include <zephyr.h>
+
+#define ILI9340_CMD_ENTER_SLEEP 0x10
+#define ILI9340_CMD_EXIT_SLEEP 0x11
+#define ILI9340_CMD_GAMMA_SET 0x26
+#define ILI9340_CMD_DISPLAY_OFF 0x28
+#define ILI9340_CMD_DISPLAY_ON 0x29
+#define ILI9340_CMD_COLUMN_ADDR 0x2a
+#define ILI9340_CMD_PAGE_ADDR 0x2b
+#define ILI9340_CMD_MEM_WRITE 0x2c
+#define ILI9340_CMD_MEM_ACCESS_CTRL 0x36
+#define ILI9340_CMD_PIXEL_FORMAT_SET 0x3A
+#define ILI9340_CMD_FRAME_CTRL_NORMAL_MODE 0xB1
+#define ILI9340_CMD_DISPLAY_FUNCTION_CTRL 0xB6
+#define ILI9340_CMD_POWER_CTRL_1 0xC0
+#define ILI9340_CMD_POWER_CTRL_2 0xC1
+#define ILI9340_CMD_VCOM_CTRL_1 0xC5
+#define ILI9340_CMD_VCOM_CTRL_2 0xC7
+#define ILI9340_CMD_POSITVE_GAMMA_CORRECTION 0xE0
+#define ILI9340_CMD_NEGATIVE_GAMMA_CORRECTION 0xE1
+
+#define ILI9340_DATA_MEM_ACCESS_CTRL_MY 0x80
+#define ILI9340_DATA_MEM_ACCESS_CTRL_MX 0x40
+#define ILI9340_DATA_MEM_ACCESS_CTRL_MV 0x20
+#define ILI9340_DATA_MEM_ACCESS_CTRL_ML 0x10
+#define ILI9340_DATA_MEM_ACCESS_CTRL_BGR 0x08
+#define ILI9340_DATA_MEM_ACCESS_CTRL_MH 0x04
+
+#define ILI9340_DATA_PIXEL_FORMAT_RGB_18_BIT 0x60
+#define ILI9340_DATA_PIXEL_FORMAT_RGB_16_BIT 0x50
+#define ILI9340_DATA_PIXEL_FORMAT_MCU_18_BIT 0x06
+#define ILI9340_DATA_PIXEL_FORMAT_MCU_16_BIT 0x05
+
+struct ili9340_data;
+
+/**
+ * Send data to ILI9340 display controller
+ *
+ * @param data Device data structure
+ * @param cmd Command to send to display controller
+ * @param tx_data Data to transmit to the display controller
+ * In case no data should be transmitted pass a NULL pointer
+ * @param tx_len Number of bytes in tx_data buffer
+ *
+ */
+void
+ili9340_transmit(struct ili9340_data *data, u8_t cmd, void *tx_data,
+                 size_t tx_len);
+
+/**
+ * Perform LCD specific initialization
+ *
+ * @param data Device data structure
+ */
+void
+ili9340_lcd_init(struct ili9340_data *data);
+
+#define DT_ILITEK_ILI9340_0_LABEL "DISPLAY"
+#define CONFIG_DISPLAY_LOG_LEVEL 0
+
+#endif /* ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9340_H_ */
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/display_ili9340_adafruit_1480.c b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/display_ili9340_adafruit_1480.c
new file mode 100644
index 000000000..1077a87f1
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/display_ili9340_adafruit_1480.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2017 Jan Van Winkel <jan.van_winkel@dxplore.eu>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "display_ili9340.h"
+
+void
+ili9340_lcd_init(struct ili9340_data *data)
+{
+    u8_t tx_data[15];
+
+    tx_data[0] = 0x23;
+    ili9340_transmit(data, ILI9340_CMD_POWER_CTRL_1, tx_data, 1);
+
+    tx_data[0] = 0x10;
+    ili9340_transmit(data, ILI9340_CMD_POWER_CTRL_2, tx_data, 1);
+
+    tx_data[0] = 0x3e;
+    tx_data[1] = 0x28;
+    ili9340_transmit(data, ILI9340_CMD_VCOM_CTRL_1, tx_data, 2);
+
+    tx_data[0] = 0x86;
+    ili9340_transmit(data, ILI9340_CMD_VCOM_CTRL_2, tx_data, 1);
+
+    tx_data[0] =
+        ILI9340_DATA_MEM_ACCESS_CTRL_MV | ILI9340_DATA_MEM_ACCESS_CTRL_BGR;
+    ili9340_transmit(data, ILI9340_CMD_MEM_ACCESS_CTRL, tx_data, 1);
+
+    tx_data[0] = ILI9340_DATA_PIXEL_FORMAT_MCU_18_BIT
+                 | ILI9340_DATA_PIXEL_FORMAT_RGB_18_BIT;
+    ili9340_transmit(data, ILI9340_CMD_PIXEL_FORMAT_SET, tx_data, 1);
+
+    tx_data[0] = 0x00;
+    tx_data[1] = 0x18;
+    ili9340_transmit(data, ILI9340_CMD_FRAME_CTRL_NORMAL_MODE, tx_data, 2);
+
+    tx_data[0] = 0x08;
+    tx_data[1] = 0x82;
+    tx_data[2] = 0x27;
+    ili9340_transmit(data, ILI9340_CMD_DISPLAY_FUNCTION_CTRL, tx_data, 3);
+
+    tx_data[0] = 0x01;
+    ili9340_transmit(data, ILI9340_CMD_GAMMA_SET, tx_data, 1);
+
+    tx_data[0] = 0x0F;
+    tx_data[1] = 0x31;
+    tx_data[2] = 0x2B;
+    tx_data[3] = 0x0C;
+    tx_data[4] = 0x0E;
+    tx_data[5] = 0x08;
+    tx_data[6] = 0x4E;
+    tx_data[7] = 0xF1;
+    tx_data[8] = 0x37;
+    tx_data[9] = 0x07;
+    tx_data[10] = 0x10;
+    tx_data[11] = 0x03;
+    tx_data[12] = 0x0E;
+    tx_data[13] = 0x09;
+    tx_data[14] = 0x00;
+    ili9340_transmit(data, ILI9340_CMD_POSITVE_GAMMA_CORRECTION, tx_data, 15);
+
+    tx_data[0] = 0x00;
+    tx_data[1] = 0x0E;
+    tx_data[2] = 0x14;
+    tx_data[3] = 0x03;
+    tx_data[4] = 0x11;
+    tx_data[5] = 0x07;
+    tx_data[6] = 0x31;
+    tx_data[7] = 0xC1;
+    tx_data[8] = 0x48;
+    tx_data[9] = 0x08;
+    tx_data[10] = 0x0F;
+    tx_data[11] = 0x0C;
+    tx_data[12] = 0x31;
+    tx_data[13] = 0x36;
+    tx_data[14] = 0x0F;
+    ili9340_transmit(data, ILI9340_CMD_NEGATIVE_GAMMA_CORRECTION, tx_data, 15);
+}
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/iwasm_main.c b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/iwasm_main.c
new file mode 100644
index 000000000..6a88f8007
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/iwasm_main.c
@@ -0,0 +1,190 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+#include "bh_platform.h"
+#include "runtime_lib.h"
+#include "native_interface.h"
+#include "app_manager_export.h"
+#include "board_config.h"
+#include "bh_common.h"
+#include "bh_queue.h"
+#include "runtime_sensor.h"
+#include "bi-inc/attr_container.h"
+#include "module_wasm_app.h"
+#include "wasm_export.h"
+#include "display.h"
+#include "lvgl.h"
+
+extern bool
+init_sensor_framework();
+extern void
+exit_sensor_framework();
+extern int
+aee_host_msg_callback(void *msg, uint32_t msg_len);
+extern bool
+touchscreen_read(lv_indev_data_t *data);
+extern int
+ili9340_init();
+extern void
+xpt2046_init(void);
+extern void
+wgl_init();
+
+#include <zephyr.h>
+#include <drivers/uart.h>
+#include <device.h>
+
+int uart_char_cnt = 0;
+
+static void
+uart_irq_callback(struct device *dev)
+{
+    unsigned char ch;
+
+    while (uart_poll_in(dev, &ch) == 0) {
+        uart_char_cnt++;
+        aee_host_msg_callback(&ch, 1);
+    }
+}
+
+struct device *uart_dev = NULL;
+
+static bool
+host_init()
+{
+    uart_dev = device_get_binding(HOST_DEVICE_COMM_UART_NAME);
+    if (!uart_dev) {
+        printf("UART: Device driver not found.\n");
+        return false;
+    }
+    uart_irq_rx_enable(uart_dev);
+    uart_irq_callback_set(uart_dev, uart_irq_callback);
+    return true;
+}
+
+int
+host_send(void *ctx, const char *buf, int size)
+{
+    if (!uart_dev)
+        return 0;
+
+    for (int i = 0; i < size; i++)
+        uart_poll_out(uart_dev, buf[i]);
+
+    return size;
+}
+
+void
+host_destroy()
+{}
+
+/* clang-format off */
+host_interface interface = {
+    .init = host_init,
+    .send = host_send,
+    .destroy = host_destroy
+};
+/* clang-format on */
+
+timer_ctx_t timer_ctx;
+
+static char global_heap_buf[270 * 1024] = { 0 };
+
+static uint8_t color_copy[320 * 10 * 3];
+
+static void
+display_flush(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color)
+{
+    u16_t w = area->x2 - area->x1 + 1;
+    u16_t h = area->y2 - area->y1 + 1;
+    struct display_buffer_descriptor desc;
+    int i;
+    uint8_t *color_p = color_copy;
+
+    desc.buf_size = 3 * w * h;
+    desc.width = w;
+    desc.pitch = w;
+    desc.height = h;
+
+    for (i = 0; i < w * h; i++, color++) {
+        color_p[i * 3] = color->ch.red;
+        color_p[i * 3 + 1] = color->ch.green;
+        color_p[i * 3 + 2] = color->ch.blue;
+    }
+
+    display_write(NULL, area->x1, area->y1, &desc, (void *)color_p);
+
+    lv_disp_flush_ready(disp_drv); /* in v5.3 is lv_flush_ready */
+}
+
+static bool
+display_input_read(lv_indev_drv_t *indev_drv, lv_indev_data_t *data)
+{
+    return touchscreen_read(data);
+}
+
+/**
+ * Initialize the Hardware Abstraction Layer (HAL) for the Littlev graphics
+ * library
+ */
+static void
+hal_init(void)
+{
+    xpt2046_init();
+    ili9340_init();
+    display_blanking_off(NULL);
+
+    /*Create a display buffer*/
+    static lv_disp_buf_t disp_buf1;
+    static lv_color_t buf1_1[320 * 10];
+    lv_disp_buf_init(&disp_buf1, buf1_1, NULL, 320 * 10);
+
+    /*Create a display*/
+    lv_disp_drv_t disp_drv;
+    lv_disp_drv_init(&disp_drv); /*Basic initialization*/
+    disp_drv.buffer = &disp_buf1;
+    disp_drv.flush_cb = display_flush;
+    //    disp_drv.hor_res = 200;
+    //    disp_drv.ver_res = 100;
+    lv_disp_drv_register(&disp_drv);
+
+    lv_indev_drv_t indev_drv;
+    lv_indev_drv_init(&indev_drv); /*Basic initialization*/
+    indev_drv.type = LV_INDEV_TYPE_POINTER;
+    indev_drv.read_cb = display_input_read;
+    lv_indev_drv_register(&indev_drv);
+}
+
+int
+iwasm_main()
+{
+    RuntimeInitArgs init_args;
+    host_init();
+
+    memset(&init_args, 0, sizeof(RuntimeInitArgs));
+
+    init_args.mem_alloc_type = Alloc_With_Pool;
+    init_args.mem_alloc_option.pool.heap_buf = global_heap_buf;
+    init_args.mem_alloc_option.pool.heap_size = sizeof(global_heap_buf);
+
+    /* initialize runtime environment */
+    if (!wasm_runtime_full_init(&init_args)) {
+        printf("Init runtime environment failed.\n");
+        return -1;
+    }
+
+    wgl_init();
+    hal_init();
+
+    /* timer manager */
+    if (!init_wasm_timer()) {
+        goto fail;
+    }
+
+    app_manager_startup(&interface);
+
+fail:
+    wasm_runtime_destroy();
+    return -1;
+}
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/main.c b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/main.c
new file mode 100644
index 000000000..e6254e5b9
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/main.c
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include "bh_platform.h"
+#include "bh_assert.h"
+#include "bh_log.h"
+#include "wasm_export.h"
+
+extern int
+iwasm_main();
+
+void
+main(void)
+{
+    iwasm_main();
+    for (;;) {
+        k_sleep(Z_TIMEOUT_MS(1000));
+    }
+}
+
+int
+time_get_ms()
+{
+    return k_uptime_get_32();
+}
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/pin_config_jlf.h b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/pin_config_jlf.h
new file mode 100644
index 000000000..bb20ecbb8
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/pin_config_jlf.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+#ifndef __PIN_CONFIG_JLF_H__
+#define __PIN_CONFIG_JLF_H__
+
+#define DT_ILITEK_ILI9340_0_BUS_NAME "SPI_2"
+#define DT_ILITEK_ILI9340_0_SPI_MAX_FREQUENCY 10 * 1000
+
+#define DT_ILITEK_ILI9340_0_BASE_ADDRESS 1
+#define DT_ILITEK_ILI9340_0_RESET_GPIOS_CONTROLLER "GPIO_0"
+#define DT_ILITEK_ILI9340_0_RESET_GPIOS_PIN 5
+#define DT_ILITEK_ILI9340_0_CMD_DATA_GPIOS_CONTROLLER "GPIO_0"
+#define DT_ILITEK_ILI9340_0_CMD_DATA_GPIOS_PIN 4
+
+#define XPT2046_SPI_DEVICE_NAME "SPI_2"
+#define XPT2046_SPI_MAX_FREQUENCY 10 * 1000
+#define XPT2046_CS_GPIO_CONTROLLER "GPIO_0"
+#define XPT2046_CS_GPIO_PIN 6
+
+#define XPT2046_PEN_GPIO_CONTROLLER "GPIO_0"
+#define XPT2046_PEN_GPIO_PIN 7
+
+#define HOST_DEVICE_COMM_UART_NAME "UART_1"
+#endif /* __PIN_CONFIG_JLF_H__ */
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/pin_config_stm32.h b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/pin_config_stm32.h
new file mode 100644
index 000000000..523ce2308
--- /dev/null
+++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/gui/wasm-runtime-wgl/src/platform/zephyr/pin_config_stm32.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+#ifndef __PIN_CONFIG_STM32_H__
+#define __PIN_CONFIG_STM32_H__
+
+#define DT_ILITEK_ILI9340_0_BUS_NAME "SPI_1"
+#define DT_ILITEK_ILI9340_0_SPI_MAX_FREQUENCY 24 * 1000 * 1000
+
+#define DT_ILITEK_ILI9340_0_BASE_ADDRESS 1
+#define DT_ILITEK_ILI9340_0_RESET_GPIOS_CONTROLLER "GPIOC"
+#define DT_ILITEK_ILI9340_0_RESET_GPIOS_PIN 12
+#define DT_ILITEK_ILI9340_0_CMD_DATA_GPIOS_CONTROLLER "GPIOC"
+#define DT_ILITEK_ILI9340_0_CMD_DATA_GPIOS_PIN 11
+
+#define DT_ILITEK_ILI9340_0_CS_GPIO_CONTROLLER "GPIOC"
+#define DT_ILITEK_ILI9340_0_CS_GPIO_PIN 10
+
+#define XPT2046_SPI_DEVICE_NAME "SPI_1"
+#define XPT2046_SPI_MAX_FREQUENCY 12 * 1000 * 1000
+#define XPT2046_CS_GPIO_CONTROLLER "GPIOD"
+#define XPT2046_CS_GPIO_PIN 0
+
+#define XPT2046_PEN_GPIO_CONTROLLER "GPIOD"
+#define XPT2046_PEN_GPIO_PIN 1
+
+#define HOST_DEVICE_COMM_UART_NAME "UART_6"
+
+#endif /* __PIN_CONFIG_STM32_H__ */