Revision 3:1c9c6f2a7fcf, committed 2020-07-21

Comitter:

elelthvd

Date:

Tue Jul 21 19:59:09 2020 +0800

Parent:

2:afc050526249

Commit message:

Updated to LVGLv7 and Mbed-OSv6

Changed in this revision

diff -r afc050526249 -r 1c9c6f2a7fcf .hgignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.hgignore	Tue Jul 21 19:59:09 2020 +0800
@@ -0,0 +1,6 @@
+^BUILD$
+^.mbed$
+^lvgl$
+^lv_examples$
+^mbed-os$
+^Drivers/BSP_DISCO_F746NG$

diff -r afc050526249 -r 1c9c6f2a7fcf lv_conf.h
--- a/lv_conf.h	Tue Apr 07 08:06:45 2020 +0000
+++ b/lv_conf.h	Tue Jul 21 19:59:09 2020 +0800
@@ -1,6 +1,6 @@
 /**
  * @file lv_conf.h
- *
+ * Configuration file for LVGL v7.1.0
  */
 
 /*
@@ -28,11 +28,11 @@
     #define LV_VER_RES_MAX          (480)
 #else
 #  error Error: You have not set resolution for your board!
-#endif   
+#endif
 
 /* Color depth:
  * - 1:  1 byte per pixel
- * - 8:  RGB233
+ * - 8:  RGB332
  * - 16: RGB565
  * - 32: ARGB8888
  */
@@ -62,6 +62,17 @@
  * (Not so important, you can adjust it to modify default sizes and spaces)*/
 #define LV_DPI              100     /*[px]*/
 
+/* The the real width of the display changes some default values:
+ * default object sizes, layout of examples, etc.
+ * According to the width of the display (hor. res. / dpi)
+ * the displays fall in 4 categories.
+ * The 4th is extra large which has no upper limit so not listed here
+ * The upper limit of the categories are set below in 0.1 inch unit.
+ */
+#define LV_DISP_SMALL_LIMIT  30
+#define LV_DISP_MEDIUM_LIMIT 50
+#define LV_DISP_LARGE_LIMIT  70
+
 /* Type of coordinates. Should be `int16_t` (or `int32_t` for extreme cases) */
 typedef int16_t lv_coord_t;
 
@@ -116,7 +127,7 @@
 #define LV_INDEV_DEF_DRAG_LIMIT           10
 
 /* Drag throw slow-down in [%]. Greater value -> faster slow-down */
-#define LV_INDEV_DEF_DRAG_THROW           20
+#define LV_INDEV_DEF_DRAG_THROW           10
 
 /* Long press time in milliseconds.
  * Time to send `LV_EVENT_LONG_PRESSSED`) */
@@ -126,6 +137,13 @@
  * Time between `LV_EVENT_LONG_PRESSED_REPEAT */
 #define LV_INDEV_DEF_LONG_PRESS_REP_TIME  100
 
+
+/* Gesture threshold in pixels */
+#define LV_INDEV_DEF_GESTURE_LIMIT        50
+
+/* Gesture min velocity at release before swipe (pixels)*/
+#define LV_INDEV_DEF_GESTURE_MIN_VELOCITY 3
+
 /*==================
  * Feature usage
  *==================*/
@@ -141,6 +159,22 @@
 
 /* 1: Enable shadow drawing*/
 #define LV_USE_SHADOW           1
+#if LV_USE_SHADOW
+/* Allow buffering some shadow calculation
+ * LV_SHADOW_CACHE_SIZE is the max. shadow size to buffer,
+ * where shadow size is `shadow_width + radius`
+ * Caching has LV_SHADOW_CACHE_SIZE^2 RAM cost*/
+#define LV_SHADOW_CACHE_SIZE    0
+#endif
+
+/* 1: Use other blend modes than normal (`LV_BLEND_MODE_...`)*/
+#define LV_USE_BLEND_MODES      1
+
+/* 1: Use the `opa_scale` style property to set the opacity of an object and its children at once*/
+#define LV_USE_OPA_SCALE        1
+
+/* 1: Use image zoom and rotation*/
+#define LV_USE_IMG_TRANSFORM    1
 
 /* 1: Enable object groups (for keyboard/encoder navigation) */
 #define LV_USE_GROUP            1
@@ -149,7 +183,12 @@
 #endif  /*LV_USE_GROUP*/
 
 /* 1: Enable GPU interface*/
-#define LV_USE_GPU              1
+#define LV_USE_GPU              1   /*Only enables `gpu_fill_cb` and `gpu_blend_cb` in the disp. drv- */
+#define LV_USE_GPU_STM32_DMA2D  0
+/*If enabling LV_USE_GPU_STM32_DMA2D, LV_GPU_DMA2D_CMSIS_INCLUDE must be defined to include path of CMSIS header of target processor
+e.g. "stm32f769xx.h" or "stm32f429xx.h" */
+#define LV_GPU_DMA2D_CMSIS_INCLUDE "mbed-os/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/CMSIS/stm32f746xx.h"
+
 
 /* 1: Enable file system (might be required for images */
 #define LV_USE_FILESYSTEM       1
@@ -161,6 +200,13 @@
 /*1: Add a `user_data` to drivers and objects*/
 #define LV_USE_USER_DATA        0
 
+/*1: Show CPU usage and FPS count in the right bottom corner*/
+#define LV_USE_PERF_MONITOR     0
+
+/*1: Use the functions and types from the older API if possible */
+#define LV_USE_API_EXTENSION_V6  1
+#define LV_USE_API_EXTENSION_V7  1
+
 /*========================
  * Image decoder and cache
  *========================*/
@@ -185,12 +231,19 @@
 /*=====================
  *  Compiler settings
  *====================*/
+
+/* For big endian systems set to 1 */
+#define LV_BIG_ENDIAN_SYSTEM    0
+
 /* 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
 
+/* Define a custom attribute to `lv_disp_flush_ready` function */
+#define LV_ATTRIBUTE_FLUSH_READY
+
 /* 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))) */
@@ -200,6 +253,22 @@
  * font's bitmaps */
 #define LV_ATTRIBUTE_LARGE_CONST
 
+/* Prefix performance critical functions to place them into a faster memory (e.g RAM)
+ * Uses 15-20 kB extra memory */
+#define LV_ATTRIBUTE_FAST_MEM
+
+/* Export integer constant to binding.
+ * This macro is used with constants in the form of LV_<CONST> that
+ * should also appear on lvgl binding API such as Micropython
+ *
+ * The default value just prevents a GCC warning.
+ */
+#define LV_EXPORT_CONST_INT(int_value) struct _silence_gcc_warning
+
+/* Prefix variables that are used in GPU accelerated operations, often these need to be
+ * placed in RAM sections that are DMA accessible */
+#define LV_ATTRIBUTE_DMA
+
 /*===================
  *  HAL settings
  *==================*/
@@ -208,8 +277,8 @@
  * 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*/
+#define LV_TICK_CUSTOM_INCLUDE  "Arduino.h"         /*Header for the system time function*/
+#define LV_TICK_CUSTOM_SYS_TIME_EXPR (millis())     /*Expression evaluating to current system time in ms*/
 #endif   /*LV_TICK_CUSTOM*/
 
 typedef void * lv_disp_drv_user_data_t;             /*Type of user data in the display driver*/
@@ -232,23 +301,48 @@
 #  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`*/
+ * 0: user need to register a callback with `lv_log_register_print_cb`*/
 #  define LV_LOG_PRINTF   0
 #endif  /*LV_USE_LOG*/
 
-/*================
- *  THEME USAGE
+/*=================
+ * Debug settings
  *================*/
-#define LV_THEME_LIVE_UPDATE    0   /*1: Allow theme switching at run time. Uses 8..10 kB of RAM*/
+
+/* If Debug is enabled LittelvGL validates the parameters of the functions.
+ * If an invalid parameter is found an error log message is printed and
+ * the MCU halts at the error. (`LV_USE_LOG` should be enabled)
+ * If you are debugging the MCU you can pause
+ * the debugger to see exactly where  the issue is.
+ *
+ * The behavior of asserts can be overwritten by redefining them here.
+ * E.g. #define LV_ASSERT_MEM(p)  <my_assert_code>
+ */
+#define LV_USE_DEBUG        1
+#if LV_USE_DEBUG
+
+/*Check if the parameter is NULL. (Quite fast) */
+#define LV_USE_ASSERT_NULL      1
 
-#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"*/
+/*Checks is the memory is successfully allocated or no. (Quite fast)*/
+#define LV_USE_ASSERT_MEM       1
+
+/*Check the integrity of `lv_mem` after critical operations. (Slow)*/
+#define LV_USE_ASSERT_MEM_INTEGRITY       0
+
+/* Check the strings.
+ * Search for NULL, very long strings, invalid characters, and unnatural repetitions. (Slow)
+ * If disabled `LV_USE_ASSERT_NULL` will be performed instead (if it's enabled) */
+#define LV_USE_ASSERT_STR       0
+
+/* Check NULL, the object's type and existence (e.g. not deleted). (Quite slow)
+ * If disabled `LV_USE_ASSERT_NULL` will be performed instead (if it's enabled) */
+#define LV_USE_ASSERT_OBJ       0
+
+/*Check if the styles are properly initialized. (Fast)*/
+#define LV_USE_ASSERT_STYLE     0
+
+#endif /*LV_USE_DEBUG*/
 
 /*==================
  *    FONT USAGE
@@ -256,16 +350,37 @@
 
 /* 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
+ * More info about fonts: https://docs.lvgl.io/v7/en/html/overview/font.html
+ * To create a new font go to: https://lvgl.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
+/* Montserrat fonts with bpp = 4
+ * https://fonts.google.com/specimen/Montserrat  */
+#define LV_FONT_MONTSERRAT_12    0
+#define LV_FONT_MONTSERRAT_14    1
+#define LV_FONT_MONTSERRAT_16    0
+#define LV_FONT_MONTSERRAT_18    0
+#define LV_FONT_MONTSERRAT_20    0
+#define LV_FONT_MONTSERRAT_22    0
+#define LV_FONT_MONTSERRAT_24    0
+#define LV_FONT_MONTSERRAT_26    0
+#define LV_FONT_MONTSERRAT_28    0
+#define LV_FONT_MONTSERRAT_30    0
+#define LV_FONT_MONTSERRAT_32    0
+#define LV_FONT_MONTSERRAT_34    0
+#define LV_FONT_MONTSERRAT_36    0
+#define LV_FONT_MONTSERRAT_38    0
+#define LV_FONT_MONTSERRAT_40    0
+#define LV_FONT_MONTSERRAT_42    0
+#define LV_FONT_MONTSERRAT_44    0
+#define LV_FONT_MONTSERRAT_46    0
+#define LV_FONT_MONTSERRAT_48    0
+
+/* Demonstrate special features */
+#define LV_FONT_MONTSERRAT_12_SUBPX      0
+#define LV_FONT_MONTSERRAT_28_COMPRESSED 0  /*bpp = 3*/
+#define LV_FONT_DEJAVU_16_PERSIAN_HEBREW 0  /*Hebrew, Arabic, PErisan letters and all their forms*/
+#define LV_FONT_SIMSUN_16_CJK            0  /*1000 most common CJK radicals*/
 
 /*Pixel perfect monospace font
  * http://pelulamu.net/unscii/ */
@@ -279,17 +394,57 @@
  */
 #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
 
+/* Set the pixel order of the display.
+ * Important only if "subpx fonts" are used.
+ * With "normal" font it doesn't matter.
+ */
+#define LV_FONT_SUBPX_BGR    0
+
 /*Declare the type of the user data of fonts (can be e.g. `void *`, `int`, `struct`)*/
 typedef void * lv_font_user_data_t;
 
+/*================
+ *  THEME USAGE
+ *================*/
+
+/*Always enable at least on theme*/
+
+/* No theme, you can apply your styles as you need
+ * No flags. Set LV_THEME_DEFAULT_FLAG 0 */
+ #define LV_USE_THEME_EMPTY       1
+
+/*Simple to the create your theme based on it
+ * No flags. Set LV_THEME_DEFAULT_FLAG 0 */
+ #define LV_USE_THEME_TEMPLATE    1
+
+/* A fast and impressive theme.
+ * Flags:
+ * LV_THEME_MATERIAL_FLAG_LIGHT: light theme
+ * LV_THEME_MATERIAL_FLAG_DARK: dark theme*/
+ #define LV_USE_THEME_MATERIAL    1
+
+/* Mono-color theme for monochrome displays.
+ * If LV_THEME_DEFAULT_COLOR_PRIMARY is LV_COLOR_BLACK the
+ * texts and borders will be black and the background will be
+ * white. Else the colors are inverted.
+ * No flags. Set LV_THEME_DEFAULT_FLAG 0 */
+ #define LV_USE_THEME_MONO        1
+
+#define LV_THEME_DEFAULT_INCLUDE            <stdint.h>      /*Include a header for the init. function*/
+#define LV_THEME_DEFAULT_INIT               lv_theme_material_init
+#define LV_THEME_DEFAULT_COLOR_PRIMARY      lv_color_hex(0x01a2b1)
+#define LV_THEME_DEFAULT_COLOR_SECONDARY    lv_color_hex(0x44d1b6)
+#define LV_THEME_DEFAULT_FLAG               LV_THEME_MATERIAL_FLAG_LIGHT
+#define LV_THEME_DEFAULT_FONT_SMALL         &lv_font_montserrat_14
+#define LV_THEME_DEFAULT_FONT_NORMAL        &lv_font_montserrat_14
+#define LV_THEME_DEFAULT_FONT_SUBTITLE      &lv_font_montserrat_14
+#define LV_THEME_DEFAULT_FONT_TITLE         &lv_font_montserrat_14
+
 /*=================
  *  Text settings
  *=================*/
@@ -304,14 +459,66 @@
  /*Can break (wrap) texts on these chars*/
 #define LV_TXT_BREAK_CHARS                  " ,.;:-_"
 
+/* If a word is at least this long, will break wherever "prettiest"
+ * To disable, set to a value <= 0 */
+#define LV_TXT_LINE_BREAK_LONG_LEN          0
+
+/* Minimum number of characters in a long word to put on a line before a break.
+ * Depends on LV_TXT_LINE_BREAK_LONG_LEN. */
+#define LV_TXT_LINE_BREAK_LONG_PRE_MIN_LEN  3
+
+/* Minimum number of characters in a long word to put on a line after a break.
+ * Depends on LV_TXT_LINE_BREAK_LONG_LEN. */
+#define LV_TXT_LINE_BREAK_LONG_POST_MIN_LEN 3
+
+/* The control character to use for signalling text recoloring. */
+#define LV_TXT_COLOR_CMD "#"
+
+/* Support bidirectional texts.
+ * Allows mixing Left-to-Right and Right-to-Left texts.
+ * The direction will be processed according to the Unicode Bidirectioanl Algorithm:
+ * https://www.w3.org/International/articles/inline-bidi-markup/uba-basics*/
+#define LV_USE_BIDI     0
+#if LV_USE_BIDI
+/* Set the default direction. Supported values:
+ * `LV_BIDI_DIR_LTR` Left-to-Right
+ * `LV_BIDI_DIR_RTL` Right-to-Left
+ * `LV_BIDI_DIR_AUTO` detect texts base direction */
+#define LV_BIDI_BASE_DIR_DEF  LV_BIDI_DIR_AUTO
+#endif
+
+/* Enable Arabic/Persian processing
+ * In these languages characters should be replaced with
+ * an other form based on their position in the text */
+#define LV_USE_ARABIC_PERSIAN_CHARS 0
+
+/*Change the built in (v)snprintf functions*/
+#define LV_SPRINTF_CUSTOM   0
+#if LV_SPRINTF_CUSTOM
+#  define LV_SPRINTF_INCLUDE <stdio.h>
+#  define lv_snprintf     snprintf
+#  define lv_vsnprintf    vsnprintf
+#else   /*!LV_SPRINTF_CUSTOM*/
+#  define LV_SPRINTF_DISABLE_FLOAT 1
+#endif  /*LV_SPRINTF_CUSTOM*/
+
 /*===================
  *  LV_OBJ SETTINGS
  *==================*/
 
+#if LV_USE_USER_DATA
 /*Declare the type of the user data of object (can be e.g. `void *`, `int`, `struct`)*/
 typedef void * lv_obj_user_data_t;
+/*Provide a function to free user data*/
+#define LV_USE_USER_DATA_FREE 0
+#if LV_USE_USER_DATA_FREE
+#  define LV_USER_DATA_FREE_INCLUDE  "something.h"  /*Header for user data free function*/
+/* Function prototype : void user_data_free(lv_obj_t * obj); */
+#  define LV_USER_DATA_FREE  (user_data_free)       /*Invoking for user data free function*/
+#endif
+#endif
 
-/*1: enable `lv_obj_realaign()` based on `lv_obj_align()` parameters*/
+/*1: enable `lv_obj_realign()` based on `lv_obj_align()` parameters*/
 #define LV_USE_OBJ_REALIGN          1
 
 /* Enable to make the object clickable on a larger area.
@@ -325,7 +532,7 @@
  *  LV OBJ X USAGE
  *================*/
 /*
- * Documentation of the object types: https://docs.littlevgl.com/#Object-types
+ * Documentation of the object types: https://docs.lvgl.com/#Object-types
  */
 
 /*Arc (dependencies: -)*/
@@ -336,40 +543,42 @@
 
 /*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
+#define LV_USE_BTNMATRIX     1
 
 /*Calendar (dependencies: -)*/
 #define LV_USE_CALENDAR 1
+#if LV_USE_CALENDAR
+#  define LV_CALENDAR_WEEK_STARTS_MONDAY    0
+#endif
 
 /*Canvas (dependencies: lv_img)*/
 #define LV_USE_CANVAS   1
 
 /*Check box (dependencies: lv_btn, lv_label)*/
-#define LV_USE_CB       1
+#define LV_USE_CHECKBOX       1
 
 /*Chart (dependencies: -)*/
 #define LV_USE_CHART    1
 #if LV_USE_CHART
-#  define LV_CHART_AXIS_TICK_LABEL_MAX_LEN    20
+#  define LV_CHART_AXIS_TICK_LABEL_MAX_LEN    256
 #endif
 
 /*Container (dependencies: -*/
 #define LV_USE_CONT     1
 
+/*Color picker (dependencies: -*/
+#define LV_USE_CPICKER   1
+
 /*Drop down list (dependencies: lv_page, lv_label, lv_symbol_def.h)*/
-#define LV_USE_DDLIST    1
-#if LV_USE_DDLIST != 0
+#define LV_USE_DROPDOWN    1
+#if LV_USE_DROPDOWN != 0
 /*Open and close default animation time [ms] (0: no animation)*/
-#  define LV_DDLIST_DEF_ANIM_TIME     200
+#  define LV_DROPDOWN_DEF_ANIM_TIME     200
 #endif
 
-/*Gauge (dependencies:lv_bar, lv_lmeter)*/
+/*Gauge (dependencies:lv_bar, lv_linemeter)*/
 #define LV_USE_GAUGE    1
 
 /*Image (dependencies: lv_label*/
@@ -383,7 +592,7 @@
 #endif
 
 /*Keyboard (dependencies: lv_btnm)*/
-#define LV_USE_KB       1
+#define LV_USE_KEYBOARD       1
 
 /*Label (dependencies: -*/
 #define LV_USE_LABEL    1
@@ -403,6 +612,10 @@
 
 /*LED (dependencies: -)*/
 #define LV_USE_LED      1
+#if LV_USE_LED
+#  define LV_LED_BRIGHT_MIN  120      /*Minimal brightness*/
+#  define LV_LED_BRIGHT_MAX  255     /*Maximal brightness*/
+#endif
 
 /*Line (dependencies: -*/
 #define LV_USE_LINE     1
@@ -415,10 +628,22 @@
 #endif
 
 /*Line meter (dependencies: *;)*/
-#define LV_USE_LMETER   1
+#define LV_USE_LINEMETER   1
+#if LV_USE_LINEMETER
+/* Draw line more precisely at cost of performance.
+ * Useful if there are lot of lines any minor are visible
+ * 0: No extra precision
+ * 1: Some extra precision
+ * 2: Best precision
+ */
+#  define LV_LINEMETER_PRECISE    0
+#endif
+
+/*Mask (dependencies: -)*/
+#define LV_USE_OBJMASK  1
 
 /*Message box (dependencies: lv_rect, lv_btnm, lv_label)*/
-#define LV_USE_MBOX     1
+#define LV_USE_MSGBOX     1
 
 /*Page (dependencies: lv_cont)*/
 #define LV_USE_PAGE     1
@@ -428,11 +653,11 @@
 #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
+#define LV_USE_SPINNER      1
+#if LV_USE_SPINNER != 0
+#  define LV_SPINNER_DEF_ARC_LENGTH   60      /*[deg]*/
+#  define LV_SPINNER_DEF_SPIN_TIME    1000    /*[ms]*/
+#  define LV_SPINNER_DEF_ANIM         LV_SPINNER_TYPE_SPINNING_ARC
 #endif
 
 /*Roller (dependencies: lv_ddlist)*/
@@ -452,13 +677,13 @@
 #define LV_USE_SPINBOX       1
 
 /*Switch (dependencies: lv_slider)*/
-#define LV_USE_SW       1
+#define LV_USE_SWITCH       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*/
+#define LV_USE_TEXTAREA       1
+#if LV_USE_TEXTAREA != 0
+#  define LV_TEXTAREA_DEF_CURSOR_BLINK_TIME 400     /*ms*/
+#  define LV_TEXTAREA_DEF_PWD_SHOW_TIME     1500    /*ms*/
 #endif
 
 /*Table (dependencies: lv_label)*/
@@ -494,9 +719,6 @@
 
 /*--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 -r afc050526249 -r 1c9c6f2a7fcf lv_ex_conf.h
--- a/lv_ex_conf.h	Tue Apr 07 08:06:45 2020 +0000
+++ b/lv_ex_conf.h	Tue Jul 21 19:59:09 2020 +0800
@@ -11,48 +11,35 @@
 #ifndef LV_EX_CONF_H
 #define LV_EX_CONF_H
 
+
 /*******************
  * GENERAL SETTING
  *******************/
-#define LV_EX_PRINTF       0       /*Enable printf-ing data*/
+#define LV_EX_PRINTF       0       /*Enable printf-ing data in demoes and examples*/
 #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
+ * DEMO 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*/
+/*Show some widget*/
+#define LV_USE_DEMO_WIDGETS        1
+#if LV_USE_DEMO_WIDGETS
+#define LV_DEMO_WIDGETS_SLIDESHOW  0
 #endif
 
-/*MCU and memory usage monitoring*/
-#define LV_USE_SYSMON      0
+/*Printer demo, optimized for 800x480*/
+#define LV_USE_DEMO_PRINTER     0
+
+/*Demonstrate the usage of encoder and keyboard*/
+#define LV_USE_DEMO_KEYPAD_AND_ENCODER     0
 
-/*A terminal to display received characters*/
-#define LV_USE_TERMINAL    0
+/*Benchmark your system*/
+#define LV_USE_DEMO_BENCHMARK   0
 
-/*Touch pad calibration with 4 points*/
-#define LV_USE_TPCAL       0
+/*Stress test for LVGL*/
+#define LV_USE_DEMO_STRESS      0
 
 #endif /*LV_EX_CONF_H*/
 

diff -r afc050526249 -r 1c9c6f2a7fcf lv_examples.lib
--- a/lv_examples.lib	Tue Apr 07 08:06:45 2020 +0000
+++ b/lv_examples.lib	Tue Jul 21 19:59:09 2020 +0800
@@ -1,1 +1,1 @@
-https://github.com/littlevgl/lv_examples/#85a6d71fe34aff8588a19fa703061434d0edca09
+https://github.com/lvgl/lv_examples.git#028cdf7958d16155a15706231de6e153b26fcab5
\ No newline at end of file

diff -r afc050526249 -r 1c9c6f2a7fcf lvgl.lib
--- a/lvgl.lib	Tue Apr 07 08:06:45 2020 +0000
+++ b/lvgl.lib	Tue Jul 21 19:59:09 2020 +0800
@@ -1,1 +1,1 @@
-https://github.com/littlevgl/lvgl/#9083adb936a51eed98eba9b164ff31e716157de5
+https://github.com/lvgl/lvgl/#557342cc088424c48894e4acffccf40801663ddf
\ No newline at end of file

diff -r afc050526249 -r 1c9c6f2a7fcf main.cpp
--- a/main.cpp	Tue Apr 07 08:06:45 2020 +0000
+++ b/main.cpp	Tue Jul 21 19:59:09 2020 +0800
@@ -3,18 +3,13 @@
 #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
+#include "lv_examples/lv_examples.h"
 
 Ticker ticker;                                  //Ticker for lvgl                    
 
 //Callback function for lvgl timing.
 void lv_ticker_func(){
-    
-    lv_tick_inc(LVGL_TICK); 
+    lv_tick_inc(10); 
     //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(); 
@@ -22,82 +17,18 @@
     //It will redraw the screen if required, handle input devices etc.
 }
 
-#ifndef DEMO_H
-//lvgl buttons object event handler
-static void event_handler(lv_obj_t * obj, lv_event_t event){
-    switch(event) {
-        case LV_EVENT_PRESSED:
-            printf("Pressed\n");
-            break;
-
-        case LV_EVENT_SHORT_CLICKED:
-            printf("Short clicked\n");
-            break;
-
-        case LV_EVENT_CLICKED:
-            printf("Clicked\n");
-            break;
-        
-        case LV_EVENT_VALUE_CHANGED:
-            printf("Toggled\n");
-            break;
-
-        case LV_EVENT_LONG_PRESSED:
-            printf("Long press\n");
-            break;
-
-        case LV_EVENT_LONG_PRESSED_REPEAT:
-            printf("Long press repeat\n");
-            break;
-
-        case LV_EVENT_RELEASED:
-            printf("Released\n");
-            break;
-    }
-}
-#endif   
-
 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   
+    ticker.attach(callback(&lv_ticker_func), 10ms); //Attach callback to ticker
+
+    lv_demo_widgets();
 
     while(1) {
         //do something   
-        //thread_sleep_for(WAIT_TIME);
+        thread_sleep_for(100);
     }
 }

diff -r afc050526249 -r 1c9c6f2a7fcf mbed-os.lib
--- a/mbed-os.lib	Tue Apr 07 08:06:45 2020 +0000
+++ b/mbed-os.lib	Tue Jul 21 19:59:09 2020 +0800
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#532654ebb31c7bf79601042a6fa976b85532ef47
+https://github.com/ARMmbed/mbed-os/#a2ada74770f043aff3e61e29d164a8e78274fcd4
\ No newline at end of file