WIP: just add lvgl6.1

Author: Pablo2048

src/README.md

@@ -2,7 +2,9 @@
 <p align="center">
 <a href="https://github.com/littlevgl/lvgl/blob/master/LICENCE.txt"><img src="https://img.shields.io/badge/licence-MIT-blue.svg"></a>
 <a href="https://github.com/littlevgl/lvgl/releases/tag/v6.0"><img src="https://img.shields.io/badge/version-6.0-blue.svg"></a>
-<br>
+</p>
+
+<p align="center">
 <img src="https://littlevgl.com/github/cover_ori_reduced_2.gif">
 </p>
 
@@ -81,7 +83,7 @@ Choose a project with your favourite IDE:
 |   Eclipse   |  CodeBlocks | Visual Studio | PlatformIO | Qt Creator |
 |-------------|-------------|---------------|-----------|------------|
 |  [![Eclipse](https://littlevgl.com/logo/ide/eclipse.jpg)](https://github.com/littlevgl/pc_simulator_sdl_eclipse) | [![CodeBlocks](https://littlevgl.com/logo/ide/codeblocks.jpg)](https://github.com/littlevgl/pc_simulator_win_codeblocks) | [![VisualStudio](https://littlevgl.com/logo/ide/visualstudio.jpg)](https://github.com/littlevgl/visual_studio_2017_sdl_x64)   |   [![PlatformIO](https://littlevgl.com/logo/ide/platformio.jpg)](https://github.com/littlevgl/pc_simulator_sdl_platformio) | [![QtCreator](https://littlevgl.com/logo/ide/qtcreator.jpg)](https://blog.littlevgl.com/2019-01-03/qt-creator) |
-| Cross-platform<br>with SDL | Native Windows | Cross-platform<br>with SDL | Cross-platform<br>with SDL | Cross-platform<br>with SDL |
+| Cross-platform<br>with SDL<br>(Recommended on<br>Linux and Mac) | Native Windows | Windows<br>with SDL | Cross-platform<br>with SDL | Cross-platform<br>with SDL |
 
 
 ## Add LittlevGL to your project
@@ -91,7 +93,7 @@ You can use the [Simulators](https://docs.littlevgl.com/en/html/get-started/pc-s
 
 1. [Download](https://littlevgl.com/download) or [Clone](https://github.com/littlevgl/lvgl) the library
 2. Copy the `lvgl` folder into your project
-3. Copy `lvgl/lv_conf_templ.h` as `lv_conf.h` next to the `lvgl` folder and set at least `LV_HOR_RES_MAX`, `LV_VER_RES_MAX` and `LV_COLOR_DEPTH`. 
+3. Copy `lvgl/lv_conf_template.h` as `lv_conf.h` next to the `lvgl` folder and set at least `LV_HOR_RES_MAX`, `LV_VER_RES_MAX` and `LV_COLOR_DEPTH`.
 4. Include `lvgl/lvgl.h` where you need to use LittlevGL related functions.
 5. 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.
 6. Call `lv_init()`
@@ -130,7 +132,7 @@ indev_drv.type = LV_INDEV_TYPE_POINTER;    /*Touch pad is a pointer-like device*
 indev_drv.read_cb = my_touchpad_read;      /*Set your driver function*/
 lv_indev_drv_register(&indev_drv);         /*Finally register the driver*/
 
-bool my_touchpad_read(lv_indev_t * indev, lv_indev_data_t * data)
+bool my_touchpad_read(lv_indev_drv_t * indev_driver, lv_indev_data_t * data)
 {
     static lv_coord_t last_x = 0;
     static lv_coord_t last_y = 0;
@@ -186,8 +188,8 @@ Styles can be assigned to the objects to changed their appearance. A style descr
 
 You can create a new style like this:
 ```c
-static lv_style_t style1;                 /*Declare a new style. Should be `static`*/
-lv_style_copy(&style1, &lv_style_plain);  /*Copy a buil-in style*/
+static lv_style_t style1;                       /*Declare a new style. Should be `static`*/
+lv_style_copy(&style1, &lv_style_plain);        /*Copy a built-in style*/
 style1.body.main_color = LV_COLOR_RED;          /*Main color*/
 style1.body.grad_color = lv_color_hex(0xffd83c) /*Gradient color (orange)*/
 style1.body.radius = 3;

src/docs/CODING_STYLE.md

@@ -1,6 +1,6 @@
 
 ## File format
-Use [lv_misc/lv_templ.c](https://github.com/littlevgl/lvgl/blob/master/lv_misc/lv_templ.c) and [lv_misc/lv_templ.h](https://github.com/littlevgl/lvgl/blob/master/lv_misc/lv_templ.h)
+Use [lv_misc/lv_templ.c](https://github.com/littlevgl/lvgl/blob/master/src/lv_misc/lv_templ.c) and [lv_misc/lv_templ.h](https://github.com/littlevgl/lvgl/blob/master/src/lv_misc/lv_templ.h)
 
 ## Naming conventions
 * Words are separated by '_'

src/library.json

@@ -0,0 +1,14 @@
+{
+    "name": "lvgl",
+    "version": "6.0.2",
+    "keywords": "graphics, gui, embedded, littlevgl",
+    "description": "Graphics library to create embedded GUI with easy-to-use graphical elements, beautiful visual effects and low memory footprint. It offers anti-aliasing, opacity, and animations using only one frame buffer.",
+    "repository":
+    {
+        "type": "git",
+        "url": "https://github.com/littlevgl/lvgl.git"
+    },
+    "build": {
+        "includeDir": "."
+    }
+}

src/lv_conf_template.h

@@ -43,6 +43,9 @@
 /*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 chroma keying for indexed images. */
+#define LV_INDEXED_CHROMA    1
+
 /* Enable anti-aliasing (lines, and radiuses will be smoothed) */
 #define LV_ANTIALIAS        1
 
@@ -193,6 +196,14 @@ typedef void * lv_img_decoder_user_data_t;
  * font's bitmaps */
 #define LV_ATTRIBUTE_LARGE_CONST
 
+/* 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
+
 /*===================
  *  HAL settings
  *==================*/
@@ -225,10 +236,46 @@ typedef void * lv_indev_drv_user_data_t;            /*Type of user data in the i
 #  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*/
 
+/*=================
+ * Debug settings
+ *================*/
+
+/* 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
+
+/*Checks is the memory is successfully allocated or no. (Quite fast)*/
+#define LV_USE_ASSERT_MEM       1
+
+/* 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     1
+
+#endif /*LV_USE_DEBUG*/
+
 /*================
  *  THEME USAGE
  *================*/
@@ -260,6 +307,10 @@ typedef void * lv_indev_drv_user_data_t;            /*Type of user data in the i
 #define LV_FONT_ROBOTO_22    0
 #define LV_FONT_ROBOTO_28    0
 
+/* Demonstrate special features */
+#define LV_FONT_ROBOTO_12_SUBPX 1
+#define LV_FONT_ROBOTO_28_COMPRESSED 1  /*bpp = 3*/
+
 /*Pixel perfect monospace font
  * http://pelulamu.net/unscii/ */
 #define LV_FONT_UNSCII_8     0
@@ -280,6 +331,12 @@ typedef void * lv_indev_drv_user_data_t;            /*Type of user data in the i
  * 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;
 
@@ -297,6 +354,42 @@ typedef void * lv_font_user_data_t;
  /*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          12
+
+/* 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
+
+/*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
+#endif  /*LV_SPRINTF_CUSTOM*/
+
 /*===================
  *  LV_OBJ SETTINGS
  *==================*/
@@ -355,6 +448,9 @@ typedef void * lv_obj_user_data_t;
 /*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

src/lvgl.h

@@ -25,14 +25,18 @@ extern "C" {
 
 #include "src/lv_core/lv_obj.h"
 #include "src/lv_core/lv_group.h"
+#include "src/lv_core/lv_indev.h"
 
 #include "src/lv_core/lv_refr.h"
 #include "src/lv_core/lv_disp.h"
+#include "src/lv_core/lv_debug.h"
 
 #include "src/lv_themes/lv_theme.h"
 
 #include "src/lv_font/lv_font.h"
 #include "src/lv_font/lv_font_fmt_txt.h"
+#include "src/lv_misc/lv_bidi.h"
+#include "src/lv_misc/lv_printf.h"
 
 #include "src/lv_objx/lv_btn.h"
 #include "src/lv_objx/lv_imgbtn.h"
@@ -45,6 +49,7 @@ extern "C" {
 #include "src/lv_objx/lv_chart.h"
 #include "src/lv_objx/lv_table.h"
 #include "src/lv_objx/lv_cb.h"
+#include "src/lv_objx/lv_cpicker.h"
 #include "src/lv_objx/lv_bar.h"
 #include "src/lv_objx/lv_slider.h"
 #include "src/lv_objx/lv_led.h"

src/lvgl.mk

@@ -0,0 +1,8 @@
+include $(LVGL_DIR)/lvgl/src/lv_core/lv_core.mk
+include $(LVGL_DIR)/lvgl/src/lv_hal/lv_hal.mk
+include $(LVGL_DIR)/lvgl/src/lv_objx/lv_objx.mk
+include $(LVGL_DIR)/lvgl/src/lv_font/lv_font.mk
+include $(LVGL_DIR)/lvgl/src/lv_misc/lv_misc.mk
+include $(LVGL_DIR)/lvgl/src/lv_themes/lv_themes.mk
+include $(LVGL_DIR)/lvgl/src/lv_draw/lv_draw.mk
+

src/scripts/built_in_font/FontAwesome5-Solid+Brands+Regular.woff

@@ -40,8 +40,8 @@
 	compr = ""
 
 #Built in symbols
-syms = "61441,61448,61451,61452,61453,61457,61459,61460,61461,61465,61468,61473,61478,61479,61480,61502,61504,61512,61515,61516,61517,61521,61522,61523,61524,61543,61544,61553,61556,61559,61560,61561,61563,61587,61589,61636,61637,61639,61671,61683,61724,61732,61787,61931,62016,62017,62018,62019,62020,62099"
+syms = "61441,61448,61451,61452,61452,61453,61457,61459,61461,61465,61468,61473,61478,61479,61480,61502,61512,61515,61516,61517,61521,61522,61523,61524,61543,61544,61550,61552,61553,61556,61559,61560,61561,61563,61587,61589,61636,61637,61639,61671,61674,61683,61724,61732,61787,61931,62016,62017,62018,62019,62020,62087,62099,62212,62189,62810,63426,63650"
 
 #Run the command
-cmd = "lv_font_conv {} --bpp {} --size {} --font ./Roboto-Regular.woff -r {} --font FontAwesome.ttf -r {} --format lvgl -o {} --force-fast-kern-format".format(compr, args.bpp, args.size, args.range[0], syms, args.output)
+cmd = "lv_font_conv {} --bpp {} --size {} --font Roboto-Regular.woff -r {} --font FontAwesome5-Solid+Brands+Regular.woff -r {} --format lvgl -o {} --force-fast-kern-format".format(compr, args.bpp, args.size, args.range[0], syms, args.output)
 os.system(cmd)

src/scripts/built_in_font/built_in_font_gen.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python3.6
+
 '''
 Generates a checker file for lv_conf.h from lv_conf_templ.h define all the not defined values
 '''
@@ -34,9 +36,11 @@
   if '/*--END OF LV_CONF_H--*/' in i: break
 
   r = re.search(r'^ *# *define ([^\s]+).*$', i)
+  
   if r:
+    line = re.sub('\(.*?\)', '', r[1], 1)    #remove parentheses from macros
     fout.write(
-      f'#ifndef {r[1]}\n'
+      f'#ifndef {line}\n'
       f'{i}\n'
       '#endif\n'
     )