Nathan Leprevier / Mbed OS DISCO-F746NG_MbedOs_LvGL_example

Dependencies:   LCD_DISCO_F746NG GRecorder BSP_DISCO_F746NG

Files at this revision

API Documentation at this revision

Comitter:
JohnnyK
Date:
Mon Dec 02 19:28:26 2019 +0000
Child:
1:627f26953c53
Commit message:
First

Changed in this revision

Drivers/BSP_DISCO_F746NG.lib Show annotated file Show diff for this revision Revisions of this file
Drivers/lv_LCD/lv_port_disp.c Show annotated file Show diff for this revision Revisions of this file
Drivers/lv_LCD/lv_port_disp.h Show annotated file Show diff for this revision Revisions of this file
Drivers/lv_TS/lv_port_indev.c Show annotated file Show diff for this revision Revisions of this file
Drivers/lv_TS/lv_port_indev.h Show annotated file Show diff for this revision Revisions of this file
lv_conf.h Show annotated file Show diff for this revision Revisions of this file
lv_ex_conf.h Show annotated file Show diff for this revision Revisions of this file
lv_examples.lib Show annotated file Show diff for this revision Revisions of this file
lvgl.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed-os.lib Show annotated file Show diff for this revision Revisions of this file
mbed_app.json Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Drivers/BSP_DISCO_F746NG.lib	Mon Dec 02 19:28:26 2019 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/teams/ST/code/BSP_DISCO_F746NG/#85dbcff443aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Drivers/lv_LCD/lv_port_disp.c	Mon Dec 02 19:28:26 2019 +0000
@@ -0,0 +1,270 @@
+/**
+ * @file lv_port_disp_templ.c
+ *
+ */
+
+ /*Copy this file as "lv_port_disp.c" and set this value to "1" to enable content*/
+#if 1
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_port_disp.h"
+#include "lvgl/lvgl.h"
+#include "stm32f7xx.h"
+#include "stm32746g_discovery.h"
+#include "stm32746g_discovery_sdram.h"
+#include "stm32746g_discovery_lcd.h"
+#include "stm32746g_discovery_ts.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void disp_init(void);
+
+static void disp_flush(lv_disp_drv_t* disp_drv, const lv_area_t* area, lv_color_t* color_p);
+
+#if LV_USE_GPU
+DMA2D_HandleTypeDef Dma2dHandle;
+static void DMA2D_Config(void);
+static void Error_Handler(void);
+static void DMA2D_TransferComplete(DMA2D_HandleTypeDef *hdma2d);
+static void DMA2D_TransferError(DMA2D_HandleTypeDef *hdma2d);
+static void gpu_blend(lv_disp_drv_t * disp_drv,lv_color_t * dest, const lv_color_t * src, uint32_t length, lv_opa_t opa);
+static void gpu_fill(lv_disp_drv_t * disp_drv,lv_color_t *  dest_buf, lv_coord_t dest_width, const lv_area_t * fill_area, lv_color_t color);
+#endif
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void lv_port_disp_init(void)
+{
+    /*-------------------------
+     * Initialize your display
+     * -----------------------*/
+    disp_init();
+
+    /*-----------------------------
+     * Create a buffer for drawing
+     *----------------------------*/
+
+    /* LittlevGL requires a buffer where it draws the objects. The buffer's has to be greater than 1 display row
+     *
+     * There are three buffering configurations:
+     * 1. Create ONE buffer with some rows: 
+     *      LittlevGL will draw the display's content here and writes it to your display
+     * 
+     * 2. Create TWO buffer with some rows: 
+     *      LittlevGL will draw the display's content to a buffer and writes it your display.
+     *      You should use DMA to write the buffer's content to the display.
+     *      It will enable LittlevGL to draw the next part of the screen to the other buffer while
+     *      the data is being sent form the first buffer. It makes rendering and flushing parallel.
+     * 
+     * 3. Create TWO screen-sized buffer: 
+     *      Similar to 2) but the buffer have to be screen sized. When LittlevGL is ready it will give the
+     *      whole frame to display. This way you only need to change the frame buffer's address instead of
+     *      copying the pixels.
+     * */
+
+    /* Example for 1) */
+    static lv_disp_buf_t disp_buf_1;
+    static lv_color_t buf1_1[LV_HOR_RES_MAX * 10];                      /*A buffer for 10 rows*/
+    lv_disp_buf_init(&disp_buf_1, buf1_1, NULL, LV_HOR_RES_MAX * 10);   /*Initialize the display buffer*/
+
+    /* Example for 2) */
+    //static lv_disp_buf_t disp_buf_2;
+    //static lv_color_t buf2_1[LV_HOR_RES_MAX * 10];                        /*A buffer for 10 rows*/
+    //static lv_color_t buf2_2[LV_HOR_RES_MAX * 10];                        /*An other buffer for 10 rows*/
+    //lv_disp_buf_init(&disp_buf_2, buf2_1, buf2_2, LV_HOR_RES_MAX * 10);   /*Initialize the display buffer*/
+
+    /* Example for 3) */
+    //static lv_disp_buf_t disp_buf_3;
+    //static lv_color_t buf3_1[LV_HOR_RES_MAX * LV_VER_RES_MAX];            /*A screen sized buffer*/
+    //static lv_color_t buf3_2[LV_HOR_RES_MAX * LV_VER_RES_MAX];            /*An other screen sized buffer*/
+    //lv_disp_buf_init(&disp_buf_3, buf3_1, buf3_2, LV_HOR_RES_MAX * LV_VER_RES_MAX);   /*Initialize the display buffer*/
+
+
+    /*-----------------------------------
+     * Register the display in LittlevGL
+     *----------------------------------*/
+
+    lv_disp_drv_t disp_drv;                         /*Descriptor of a display driver*/
+    lv_disp_drv_init(&disp_drv);                    /*Basic initialization*/
+    /*Set up the functions to access to your display*/
+    /*Set the resolution of the display*/
+    disp_drv.hor_res = 480;
+    disp_drv.ver_res = 272;
+    /*Used to copy the buffer's content to the display*/
+    disp_drv.flush_cb = disp_flush;
+    /*Set a display buffer*/
+    disp_drv.buffer = &disp_buf_1;
+#if LV_USE_GPU
+    /*Optionally add functions to access the GPU. (Only in buffered mode, LV_VDB_SIZE != 0)*/
+    DMA2D_Config();
+    /*Blend two color array using opacity*/
+    disp_drv.gpu_blend_cb = gpu_blend;
+    /*Fill a memory array with a color*/
+    disp_drv.gpu_fill_cb = gpu_fill;
+#endif
+    /*Finally register the driver*/
+    lv_disp_drv_register(&disp_drv);
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+/* Initialize your display and the required peripherals. */
+static void disp_init(void){
+    /*You code here*/
+    BSP_LCD_Init();
+#if LV_COLOR_DEPTH == 16
+    Dma2dHandle.LayerCfg[0].InputColorMode = DMA2D_INPUT_RGB565;
+     BSP_LCD_LayerRgb565Init(1, LCD_FB_START_ADDRESS));
+#elif LV_COLOR_DEPTH == 24 || LV_COLOR_DEPTH == 32
+    BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS);
+#endif
+    BSP_LCD_DisplayOn();
+    BSP_LCD_SelectLayer(0);
+}
+
+/* Flush the content of the internal buffer the specific area on the display
+ * You can use DMA or any hardware acceleration to do this operation in the background but
+ * 'lv_disp_flush_ready()' has to be called when finished. */
+static void disp_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p){
+    //The most simple case (but also the slowest) to put all pixels to the screen one-by-one
+    uint16_t x, y;
+    for(y = area->y1; y <= area->y2; y++) {
+        for(x = area->x1; x <= area->x2; x++) {
+            //put_px(x, y, *color_p)
+            BSP_LCD_DrawPixel( x, y, color_p->full);
+            color_p++;
+        }
+    }
+    // IMPORTANT!!!* Inform the graphics library that you are ready with the flushing
+    lv_disp_flush_ready(disp_drv);
+}
+
+
+/*OPTIONAL: GPU INTERFACE*/
+#if LV_USE_GPU
+
+/* If your MCU has hardware accelerator (GPU) then you can use it to blend to memories using opacity
+ * It can be used only in buffered mode (LV_VDB_SIZE != 0 in lv_conf.h)*/
+
+static void DMA2D_Config(void){
+    //onfigure the DMA2D Mode, Color Mode and output offset
+    Dma2dHandle.Init.Mode         = DMA2D_M2M_BLEND;
+#if LV_COLOR_DEPTH == 16
+    Dma2dHandle.Init.ColorMode    = DMA2D_RGB565;
+#elif LV_COLOR_DEPTH == 24 || LV_COLOR_DEPTH == 32
+    Dma2dHandle.Init.ColorMode    = DMA2D_ARGB8888;
+#endif
+    Dma2dHandle.Init.OutputOffset = 0x0;
+    //DMA2D Callbacks Configuration
+    Dma2dHandle.XferCpltCallback  = DMA2D_TransferComplete;
+    Dma2dHandle.XferErrorCallback = DMA2D_TransferError;
+    //Foreground Configuration
+    Dma2dHandle.LayerCfg[1].AlphaMode = DMA2D_REPLACE_ALPHA;
+    Dma2dHandle.LayerCfg[1].InputAlpha = 0xFF;
+#if LV_COLOR_DEPTH == 16
+    Dma2dHandle.LayerCfg[1].InputColorMode = DMA2D_INPUT_RGB565;
+#elif LV_COLOR_DEPTH == 24 || LV_COLOR_DEPTH == 32
+    Dma2dHandle.LayerCfg[1].InputColorMode = DMA2D_INPUT_ARGB8888;
+#endif
+    Dma2dHandle.LayerCfg[1].InputOffset = 0x0;
+    //Background Configuration 
+    Dma2dHandle.LayerCfg[0].AlphaMode = DMA2D_REPLACE_ALPHA;
+    Dma2dHandle.LayerCfg[0].InputAlpha = 0xFF;
+#if LV_COLOR_DEPTH == 16
+    Dma2dHandle.LayerCfg[0].InputColorMode = DMA2D_INPUT_RGB565;
+#elif LV_COLOR_DEPTH == 24 || LV_COLOR_DEPTH == 32
+    Dma2dHandle.LayerCfg[0].InputColorMode = DMA2D_INPUT_ARGB8888;
+#endif
+    Dma2dHandle.LayerCfg[0].InputOffset = 0x0;
+    Dma2dHandle.Instance   = DMA2D;
+    //DMA2D Initialization
+    if(HAL_DMA2D_Init(&Dma2dHandle) != HAL_OK){
+        Error_Handler();// Initialization Error 
+    }
+    HAL_DMA2D_ConfigLayer(&Dma2dHandle, 0);
+    HAL_DMA2D_ConfigLayer(&Dma2dHandle, 1);
+}
+
+static void gpu_blend(lv_disp_drv_t * disp_drv, lv_color_t * dest, const lv_color_t * src, uint32_t length, lv_opa_t opa){
+    /*Wait for the previous operation*/
+    HAL_DMA2D_PollForTransfer(&Dma2dHandle, 100);
+    Dma2dHandle.Init.Mode         = DMA2D_M2M_BLEND;
+    /* DMA2D Initialization */
+    if(HAL_DMA2D_Init(&Dma2dHandle) != HAL_OK){
+        /* Initialization Error */
+        while(1);
+    }
+    Dma2dHandle.LayerCfg[1].InputAlpha = opa;
+    HAL_DMA2D_ConfigLayer(&Dma2dHandle, 1);
+    HAL_DMA2D_BlendingStart(&Dma2dHandle, (uint32_t) src, (uint32_t) dest, (uint32_t)dest, length, 1);
+}
+
+/* If your MCU has hardware accelerator (GPU) then you can use it to fill a memory with a color
+ * It can be used only in buffered mode (LV_VDB_SIZE != 0 in lv_conf.h)*/
+static void gpu_fill(lv_disp_drv_t * disp_drv, lv_color_t * dest_buf, lv_coord_t dest_width, const lv_area_t * fill_area, lv_color_t color){
+    /*Wait for the previous operation*/
+    HAL_DMA2D_PollForTransfer(&Dma2dHandle, 100);
+    Dma2dHandle.Init.Mode         = DMA2D_R2M;
+   /* DMA2D Initialization */
+   if(HAL_DMA2D_Init(&Dma2dHandle) != HAL_OK){
+     /* Initialization Error */
+     while(1);
+   }
+   Dma2dHandle.LayerCfg[1].InputAlpha = 0xff;
+   HAL_DMA2D_ConfigLayer(&Dma2dHandle, 1);
+   lv_color_t * dest_buf_ofs = dest_buf;
+   dest_buf_ofs += dest_width * fill_area->y1;
+   dest_buf_ofs += fill_area->x1;
+   lv_coord_t area_w = lv_area_get_width(fill_area);
+   uint32_t i;
+   for(i = fill_area->y1; i <= fill_area->y2; i++) {
+       /*Wait for the previous operation*/
+       HAL_DMA2D_PollForTransfer(&Dma2dHandle, 100);
+       HAL_DMA2D_BlendingStart(&Dma2dHandle, (uint32_t) lv_color_to32(color), (uint32_t) dest_buf_ofs, (uint32_t)dest_buf_ofs, area_w, 1);
+       dest_buf_ofs += dest_width;
+   }
+}
+
+static void Error_Handler(void){
+    while(1){}
+}
+
+static void DMA2D_TransferComplete(DMA2D_HandleTypeDef *hdma2d){
+
+}
+
+static void DMA2D_TransferError(DMA2D_HandleTypeDef *hdma2d){
+    
+}
+
+#endif  /*LV_USE_GPU*/
+
+#else /* Enable this file at the top */
+
+/* This dummy typedef exists purely to silence -Wpedantic. */
+typedef int keep_pedantic_happy;
+#endif
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Drivers/lv_LCD/lv_port_disp.h	Mon Dec 02 19:28:26 2019 +0000
@@ -0,0 +1,45 @@
+/**
+ * @file lv_port_disp_templ.h
+ *
+ */
+
+ /*Copy this file as "lv_port_disp.h" and set this value to "1" to enable content*/
+#if 1
+
+#ifndef LV_PORT_DISP_H
+#define LV_PORT_DISP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lvgl/lvgl.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+ void lv_port_disp_init(void);
+/**********************
+ *      MACROS
+ **********************/
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*LV_PORT_DISP_TEMPL_H*/
+
+#endif /*Disable/Enable content*/
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Drivers/lv_TS/lv_port_indev.c	Mon Dec 02 19:28:26 2019 +0000
@@ -0,0 +1,480 @@
+/**
+ * @file lv_port_indev_templ.c
+ *
+ */
+
+ /*Copy this file as "lv_port_indev.c" and set this value to "1" to enable content*/
+#if 1
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_port_indev.h"
+#include "../lv_core/lv_indev.h"
+#include "stm32746g_discovery.h"
+#include "stm32746g_discovery_lcd.h"
+#include "stm32746g_discovery_ts.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+#define TOUCHPAD    1
+#define KEYBOARD    0
+#define MOUSE       0
+#define ENCODER     0
+#define BUTTON      0
+ 
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+TS_StateTypeDef TS_State; 
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/ 
+#if TOUCHPAD ==1
+static void touchpad_init(void);
+static bool touchpad_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
+static bool touchpad_is_pressed(void);
+static void touchpad_get_xy(lv_coord_t * x, lv_coord_t * y);
+#endif
+#if MOUSE == 1 
+static void mouse_init(void);
+static bool mouse_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
+static bool mouse_is_pressed(void);
+static void mouse_get_xy(lv_coord_t * x, lv_coord_t * y);
+#endif
+#if KEYBOARD == 1 
+static void keypad_init(void);
+static bool keypad_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
+static uint32_t keypad_get_key(void);
+#endif
+#if ENCODER == 1 
+static void encoder_init(void);
+static bool encoder_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
+static void encoder_handler(void);
+#endif
+#if BUTTON == 1
+static void button_init(void);
+static bool button_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
+static int8_t button_get_pressed_id(void);
+static bool button_is_pressed(uint8_t id);
+#endif
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+#if TOUCHPAD == 1
+lv_indev_t * indev_touchpad;
+#endif
+#if MOUSE == 1 
+lv_indev_t * indev_mouse;
+#endif
+#if KEYBOARD == 1 
+lv_indev_t * indev_keypad;
+#endif
+#if ENCODER == 1 
+lv_indev_t * indev_encoder;
+#endif
+#if BUTTON == 1
+lv_indev_t * indev_button;
+#endif
+
+#if ENCODER == 1 
+static int32_t encoder_diff;
+static lv_indev_state_t encoder_state;
+#endif
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void lv_port_indev_init(void)
+{
+    /* Here you will find example implementation of input devices supported by LittelvGL:
+     *  - Touchpad
+     *  - Mouse (with cursor support)
+     *  - Keypad (supports GUI usage only with key)
+     *  - Encoder (supports GUI usage only with: left, right, push)
+     *  - Button (external buttons to press points on the screen)
+     *
+     *  The `..._read()` function are only examples.
+     *  You should shape them according to your hardware
+     */
+
+    lv_indev_drv_t indev_drv;
+#if TOUCHPAD ==1
+    /*------------------
+     * Touchpad
+     * -----------------*/
+
+    /*Initialize your touchpad if you have*/
+    touchpad_init();
+
+    /*Register a touchpad input device*/
+    lv_indev_drv_init(&indev_drv);
+    indev_drv.type = LV_INDEV_TYPE_POINTER;
+    indev_drv.read_cb = touchpad_read;
+    indev_touchpad = lv_indev_drv_register(&indev_drv);
+
+#endif
+#if MOUSE == 1 
+
+    /*------------------
+     * Mouse
+     * -----------------*/
+
+    /*Initialize your touchpad if you have*/
+    mouse_init();
+
+    /*Register a mouse input device*/
+    lv_indev_drv_init(&indev_drv);
+    indev_drv.type = LV_INDEV_TYPE_POINTER;
+    indev_drv.read_cb = mouse_read;
+    indev_mouse = lv_indev_drv_register(&indev_drv);
+
+    /*Set cursor. For simplicity set a HOME symbol now.*/
+    lv_obj_t * mouse_cursor = lv_img_create(lv_disp_get_scr_act(NULL), NULL);
+    lv_img_set_src(mouse_cursor, LV_SYMBOL_HOME);
+    lv_indev_set_cursor(indev_mouse, mouse_cursor);
+
+#endif
+#if KEYBOARD == 1 
+
+    /*------------------
+     * Keypad
+     * -----------------*/
+
+    /*Initialize your keypad or keyboard if you have*/
+    keypad_init();
+
+    /*Register a keypad input device*/
+    lv_indev_drv_init(&indev_drv);
+    indev_drv.type = LV_INDEV_TYPE_KEYPAD;
+    indev_drv.read_cb = keypad_read;
+    indev_keypad = lv_indev_drv_register(&indev_drv);
+
+    /* Later you should create group(s) with `lv_group_t * group = lv_group_create()`,
+     * add objects to the group with `lv_group_add_obj(group, obj)`
+     * and assign this input device to group to navigate in it:
+     * `lv_indev_set_group(indev_keypad, group);` */
+
+#endif
+#if ENCODER == 1 
+
+    /*------------------
+     * Encoder
+     * -----------------*/
+
+    /*Initialize your encoder if you have*/
+    encoder_init();
+
+    /*Register a encoder input device*/
+    lv_indev_drv_init(&indev_drv);
+    indev_drv.type = LV_INDEV_TYPE_KEYPAD;
+    indev_drv.read_cb = encoder_read;
+    indev_encoder = lv_indev_drv_register(&indev_drv);
+
+    /* Later you should create group(s) with `lv_group_t * group = lv_group_create()`,
+     * add objects to the group with `lv_group_add_obj(group, obj)`
+     * and assign this input device to group to navigate in it:
+     * `lv_indev_set_group(indev_keypad, group);` */
+
+#endif
+#if BUTTON == 1
+
+    /*------------------
+     * Button
+     * -----------------*/
+
+    /*Initialize your button if you have*/
+    button_init();
+
+    /*Register a button input device*/
+    lv_indev_drv_init(&indev_drv);
+    indev_drv.type = LV_INDEV_TYPE_BUTTON;
+    indev_drv.read_cb = button_read;
+    indev_button = lv_indev_drv_register(&indev_drv);
+
+    /*Assign buttons to points on the screen*/
+    static const lv_point_t btn_points[2] = {
+            {10, 10},   /*Button 0 -> x:10; y:10*/
+            {40, 100},  /*Button 1 -> x:40; y:100*/
+    };
+    lv_indev_set_button_points(indev_button, btn_points);
+
+#endif
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+
+#if TOUCHPAD ==1
+/*------------------
+ * Touchpad
+ * -----------------*/
+
+/*Initialize your touchpad*/
+static void touchpad_init(void)
+{
+    /*Your code comes here*/
+    BSP_TS_Init(BSP_LCD_GetXSize(),BSP_LCD_GetYSize());
+}
+
+/* Will be called by the library to read the touchpad */
+static bool touchpad_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data)
+{
+    static lv_coord_t last_x = 0;
+    static lv_coord_t last_y = 0;
+    
+    /*Save the pressed coordinates and the state*/
+        BSP_TS_GetState(&TS_State);
+    if(touchpad_is_pressed()) {
+        touchpad_get_xy(&last_x, &last_y);
+        data->state = LV_INDEV_STATE_PR;
+    } else {
+        data->state = LV_INDEV_STATE_REL;
+    }
+
+    /*Set the last pressed coordinates*/
+    data->point.x = last_x;
+    data->point.y = last_y;
+
+    /*Return `false` because we are not buffering and no more data to read*/
+    return false;
+}
+
+/*Return true is the touchpad is pressed*/
+static bool touchpad_is_pressed(void)
+{
+    /*Your code comes here*/
+    return TS_State.touchDetected;
+}
+
+/*Get the x and y coordinates if the touchpad is pressed*/
+static void touchpad_get_xy(lv_coord_t * x, lv_coord_t * y)
+{
+    /*Your code comes here*/
+    (*x) = TS_State.touchX[0];
+    (*y) = TS_State.touchY[0];
+}
+
+#endif
+#if MOUSE == 1 
+
+/*------------------
+ * Mouse
+ * -----------------*/
+
+/* Initialize your mouse */
+static void mouse_init(void)
+{
+    /*Your code comes here*/
+}
+
+/* Will be called by the library to read the mouse */
+static bool mouse_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data)
+{
+    /*Get the current x and y coordinates*/
+    mouse_get_xy(&data->point.x, &data->point.y);
+
+    /*Get whether the mouse button is pressed or released*/
+    if(mouse_is_pressed()) {
+        data->state = LV_INDEV_STATE_PR;
+    } else {
+        data->state = LV_INDEV_STATE_REL;
+    }
+
+    /*Return `false` because we are not buffering and no more data to read*/
+    return false;
+}
+
+/*Return true is the mouse button is pressed*/
+static bool mouse_is_pressed(void)
+{
+    /*Your code comes here*/
+
+    return false;
+}
+
+/*Get the x and y coordinates if the mouse is pressed*/
+static void mouse_get_xy(lv_coord_t * x, lv_coord_t * y)
+{
+    /*Your code comes here*/
+
+    (*x) = 0;
+    (*y) = 0;
+}
+
+#endif
+#if KEYBOARD == 1 
+
+/*------------------
+ * Keypad
+ * -----------------*/
+
+/* Initialize your keypad */
+static void keypad_init(void)
+{
+    /*Your code comes here*/
+}
+
+/* Will be called by the library to read the mouse */
+static bool keypad_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data)
+{
+    static uint32_t last_key = 0;
+
+    /*Get the current x and y coordinates*/
+    mouse_get_xy(&data->point.x, &data->point.y);
+
+    /*Get whether the a key is pressed and save the pressed key*/
+    uint32_t act_key = keypad_get_key();
+    if(act_key != 0) {
+        data->state = LV_INDEV_STATE_PR;
+
+        /*Translate the keys to LittlevGL control characters according to your key definitions*/
+        switch(act_key) {
+        case 1:
+            act_key = LV_KEY_NEXT;
+            break;
+        case 2:
+            act_key = LV_KEY_PREV;
+            break;
+        case 3:
+            act_key = LV_KEY_LEFT;
+            break;
+        case 4:
+            act_key = LV_KEY_RIGHT;
+            break;
+        case 5:
+            act_key = LV_KEY_ENTER;
+            break;
+        }
+
+        last_key = act_key;
+    } else {
+        data->state = LV_INDEV_STATE_REL;
+    }
+
+    data->key = last_key;
+
+    /*Return `false` because we are not buffering and no more data to read*/
+    return false;
+}
+
+/*Get the currently being pressed key.  0 if no key is pressed*/
+static uint32_t keypad_get_key(void)
+{
+    /*Your code comes here*/
+
+    return 0;
+}
+
+#endif
+#if ENCODER == 1 
+
+/*------------------
+ * Encoder
+ * -----------------*/
+
+/* Initialize your keypad */
+static void encoder_init(void)
+{
+    /*Your code comes here*/
+}
+
+/* Will be called by the library to read the encoder */
+static bool encoder_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data)
+{
+
+    data->enc_diff = encoder_diff;
+    data->state = encoder_state;
+
+    /*Return `false` because we are not buffering and no more data to read*/
+    return false;
+}
+
+/*Call this function in an interrupt to process encoder events (turn, press)*/
+static void encoder_handler(void)
+{
+    /*Your code comes here*/
+
+    encoder_diff += 0;
+    encoder_state = LV_INDEV_STATE_REL;
+}
+
+#endif
+#if BUTTON == 1
+
+/*------------------
+ * Button
+ * -----------------*/
+
+/* Initialize your buttons */
+static void button_init(void)
+{
+    /*Your code comes here*/
+}
+
+/* Will be called by the library to read the button */
+static bool button_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data)
+{
+
+    static uint8_t last_btn = 0;
+
+    /*Get the pressed button's ID*/
+    int8_t btn_act = button_get_pressed_id();
+
+    if(btn_act >= 0) {
+        data->state = LV_INDEV_STATE_PR;
+        last_btn = btn_act;
+    } else {
+        data->state = LV_INDEV_STATE_REL;
+    }
+
+    /*Save the last pressed button's ID*/
+    data->btn_id = last_btn;
+
+    /*Return `false` because we are not buffering and no more data to read*/
+    return false;
+}
+
+/*Get ID  (0, 1, 2 ..) of the pressed button*/
+static int8_t button_get_pressed_id(void)
+{
+    uint8_t i;
+
+    /*Check to buttons see which is being pressed (assume there are 2 buttons)*/
+    for(i = 0; i < 2; i++) {
+        /*Return the pressed button's ID*/
+        if(button_is_pressed(i)) {
+            return i;
+        }
+    }
+
+    /*No button pressed*/
+    return -1;
+}
+
+/*Test if `id` button is pressed or not*/
+static bool button_is_pressed(uint8_t id)
+{
+
+    /*Your code comes here*/
+
+    return false;
+}
+#endif
+
+
+#else /* Enable this file at the top */
+
+/* This dummy typedef exists purely to silence -Wpedantic. */
+typedef int keep_pedantic_happy;
+#endif
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Drivers/lv_TS/lv_port_indev.h	Mon Dec 02 19:28:26 2019 +0000
@@ -0,0 +1,46 @@
+
+/**
+ * @file lv_port_indev_templ.h
+ *
+ */
+
+ /*Copy this file as "lv_port_indev.h" and set this value to "1" to enable content*/
+#if 1
+
+#ifndef LV_PORT_INDEV_H
+#define LV_PORT_INDEV_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lvgl/lvgl.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+void lv_port_indev_init(void);
+/**********************
+ *      MACROS
+ **********************/
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*LV_PORT_INDEV_TEMPL_H*/
+
+#endif /*Disable/Enable content*/
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lv_conf.h	Mon Dec 02 19:28:26 2019 +0000
@@ -0,0 +1,502 @@
+/**
+ * @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.*/
+#if defined(TARGET_DISCO_F746NG)
+    #define LV_HOR_RES_MAX          (480)
+    #define LV_VER_RES_MAX          (272)
+#elif defined(TARGET_DISCO_F469NI)
+    #define LV_HOR_RES_MAX          (800)
+    #define LV_VER_RES_MAX          (480)
+#else
+#  error Error: You have not set resolution for your board!
+#endif   
+
+/* 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` */
+#define LV_MEM_CUSTOM      0
+#if LV_MEM_CUSTOM == 0
+/* Size of the memory used by `lv_mem_alloc` in bytes (>= 2kB)*/
+#  define LV_MEM_SIZE    (32U * 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 <stdlib.h>   /*Header for the dynamic memory function*/
+#  define LV_MEM_CUSTOM_ALLOC   malloc       /*Wrapper to malloc*/
+#  define LV_MEM_CUSTOM_FREE    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        0
+
+/*========================
+ * 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     0
+#if LV_TICK_CUSTOM == 1
+#define LV_TICK_CUSTOM_INCLUDE  "something.h"       /*Header for the sys time function*/
+#define LV_TICK_CUSTOM_SYS_TIME_EXPR (millis())     /*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      0
+#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   0
+#endif  /*LV_USE_LOG*/
+
+/*================
+ *  THEME USAGE
+ *================*/
+#define LV_THEME_LIVE_UPDATE    0   /*1: Allow theme switching at run time. Uses 8..10 kB of RAM*/
+
+#define LV_USE_THEME_TEMPL      0   /*Just for test*/
+#define LV_USE_THEME_DEFAULT    0   /*Built mainly from the built-in styles. Consumes very few RAM*/
+#define LV_USE_THEME_ALIEN      0   /*Dark futuristic theme*/
+#define LV_USE_THEME_NIGHT      0   /*Dark elegant theme*/
+#define LV_USE_THEME_MONO       0   /*Mono color theme for monochrome displays*/
+#define LV_USE_THEME_MATERIAL   0   /*Flat theme with bold colors and light shadows*/
+#define LV_USE_THEME_ZEN        0   /*Peaceful, mainly light theme */
+#define LV_USE_THEME_NEMO       0   /*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    0
+#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     0
+
+/* 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   0
+
+/*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_OFF
+
+/*==================
+ *  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   0
+#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               0
+
+/*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"*/
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lv_ex_conf.h	Mon Dec 02 19:28:26 2019 +0000
@@ -0,0 +1,60 @@
+/**
+ * @file lv_ex_conf.h
+ *
+ */
+/*
+ * COPY THIS FILE AS lv_ex_conf.h
+ */
+
+#if 1 /*Set it to "1" to enable the content*/
+
+#ifndef LV_EX_CONF_H
+#define LV_EX_CONF_H
+
+/*******************
+ * GENERAL SETTING
+ *******************/
+#define LV_EX_PRINTF       0       /*Enable printf-ing data*/
+#define LV_EX_KEYBOARD     0       /*Add PC keyboard support to some examples (`lv_drivers` repository is required)*/
+#define LV_EX_MOUSEWHEEL   0       /*Add 'encoder' (mouse wheel) support to some examples (`lv_drivers` repository is required)*/
+
+/*******************
+ *   TEST USAGE
+ *******************/
+#define LV_USE_TESTS       0
+
+/*******************
+ * TUTORIAL USAGE
+ *******************/
+#define LV_USE_TUTORIALS   0
+
+
+/*********************
+ * APPLICATION USAGE
+ *********************/
+
+/* Test the graphical performance of your MCU
+ * with different settings*/
+#define LV_USE_BENCHMARK   0
+
+/*A demo application with Keyboard, Text area, List and Chart
+ * placed on Tab view */
+#define LV_USE_DEMO        1
+#if LV_USE_DEMO
+#define LV_DEMO_WALLPAPER  0    /*Create a wallpaper too*/
+#define LV_DEMO_SLIDE_SHOW 0    /*Automatically switch between tabs*/
+#endif
+
+/*MCU and memory usage monitoring*/
+#define LV_USE_SYSMON      0
+
+/*A terminal to display received characters*/
+#define LV_USE_TERMINAL    0
+
+/*Touch pad calibration with 4 points*/
+#define LV_USE_TPCAL       0
+
+#endif /*LV_EX_CONF_H*/
+
+#endif /*End of "Content enable"*/
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lv_examples.lib	Mon Dec 02 19:28:26 2019 +0000
@@ -0,0 +1,1 @@
+https://github.com/littlevgl/lv_examples/#85a6d71fe34aff8588a19fa703061434d0edca09
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lvgl.lib	Mon Dec 02 19:28:26 2019 +0000
@@ -0,0 +1,1 @@
+https://github.com/littlevgl/lvgl/#9083adb936a51eed98eba9b164ff31e716157de5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Dec 02 19:28:26 2019 +0000
@@ -0,0 +1,78 @@
+//#pragma -O0
+#include "mbed.h"
+#include "lvgl/lvgl.h"
+#include "lv_port_disp.h"
+#include "lv_port_indev.h"
+#include "demo.h" //Comment/uncomment will switch between LittlevGL demo and Hello word example
+
+#define LVGL_TICK 5                             //Time tick value for lvgl in ms (1-10msa)
+#define TICKER_TIME 0.001 * LVGL_TICK           //modified to miliseconds
+#define WAIT_TIME 1000 * LVGL_TICK              //modified to microseconds
+
+Ticker ticker;                                  //Ticker for lvgl                    
+
+//Callback function for lvgl timing.
+void lv_ticker_func(){
+    
+    lv_tick_inc(LVGL_TICK); 
+    //Call lv_tick_inc(x) every x milliseconds in a Timer or Task (x should be between 1 and 10). 
+    //It is required for the internal timing of LittlevGL.
+    lv_task_handler(); 
+    //Call lv_task_handler() periodically every few milliseconds. 
+    //It will redraw the screen if required, handle input devices etc.
+}
+
+//lvgl button object event handler
+void event_handler(lv_obj_t * obj, lv_event_t event){ 
+    if(event == LV_EVENT_CLICKED) {
+        printf("Clicked\n");
+    }
+    else if(event == LV_EVENT_VALUE_CHANGED) {
+        printf("Toggled\n");
+    }
+} 
+
+int main()
+{
+    printf("LittlevGL GUI-"); 
+    lv_init();                                  //Initialize the LittlevGL
+    lv_port_disp_init();                        //Initialize diplay 
+    lv_port_indev_init();                       //Initialize touchpad
+    ticker.attach(callback(&lv_ticker_func),TICKER_TIME); //Attach callback to ticker
+    
+#ifndef DEMO_H
+    printf("Hello word\n");
+    lv_obj_t * label_h = lv_label_create(lv_scr_act(), NULL);
+    static lv_style_t st;
+    lv_style_copy( &st, &lv_style_plain );
+    st.text.font = &lv_font_roboto_28;
+    lv_obj_set_style( label_h, &st );
+    lv_obj_set_size(label_h, 50, 30);
+    lv_label_set_recolor(label_h, true);
+    lv_label_set_text(label_h, "#ff0000 Hello word#");
+    lv_obj_align(label_h, NULL, LV_ALIGN_IN_TOP_MID, 0, 0);
+    
+    lv_obj_t * label;
+    lv_obj_t * btn1 = lv_btn_create(lv_scr_act(), NULL);
+    lv_obj_set_event_cb(btn1, event_handler);
+    lv_obj_align(btn1, NULL, LV_ALIGN_CENTER, 0, -40);
+    label = lv_label_create(btn1, NULL);
+    lv_label_set_text(label, "Button");
+    lv_obj_t *btn2 = lv_btn_create(lv_scr_act(), NULL);
+    lv_obj_set_event_cb(btn2, event_handler);
+    lv_obj_align(btn2, NULL, LV_ALIGN_CENTER, 0, 40);
+    lv_btn_set_toggle(btn2, true);
+    lv_btn_toggle(btn2);
+    lv_btn_set_fit2(btn2, LV_FIT_NONE, LV_FIT_TIGHT);
+    label = lv_label_create(btn2, NULL);
+    lv_label_set_text(label, "Toggled");
+#else   
+    printf("Demo\n");
+    demo_create(); // Demo from lv_examples
+#endif   
+
+    while(1) {
+        //something   
+        //wait_us(WAIT_TIME);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Mon Dec 02 19:28:26 2019 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#3a57ec7401a77b8b98f6356a1498cb154229483f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json	Mon Dec 02 19:28:26 2019 +0000
@@ -0,0 +1,3 @@
+{
+    "requires": ["bare-metal"]
+}