Merge pull request #4 from Pablo2048/bugfix/print_cb

lv_log_register_print method renamed, examples corrected

Author: Pablo2048

examples/ESP32_TFT_eSPI/ESP32_TFT_eSPI.ino

@@ -66,7 +66,7 @@ void setup() {
   lv_init();
 
 #if USE_LV_LOG != 0
-  lv_log_register_print(my_print); /* register print function for debugging */
+  lv_log_register_print_cb(my_print); /* register print function for debugging */
 #endif
 
   tft.begin(); /* TFT init */
@@ -84,7 +84,7 @@ void setup() {
   lv_disp_drv_register(&disp_drv);
 
 
-  /*Initialize the touch pad*/
+  /*Initialize the input device driver*/
   lv_indev_drv_t indev_drv;
   lv_indev_drv_init(&indev_drv);
   indev_drv.type = LV_INDEV_TYPE_ENCODER;

examples/ESP32_TFT_eSPI_Slider/Setup.ino

@@ -10,7 +10,7 @@ void setup() {
   lv_init();
 
   #if USE_LV_LOG != 0
-    lv_log_register_print(my_print); /* register print function for debugging */
+    lv_log_register_print_cb(my_print); /* register print function for debugging */
   #endif
 
   tft.begin(); /* TFT init */
@@ -30,20 +30,13 @@ void setup() {
   disp_drv.buffer = &disp_buf;
   lv_disp_drv_register(&disp_drv);
 
+  /*Initialize the input device driver*/
   lv_indev_drv_t indev_drv;
   lv_indev_drv_init(&indev_drv);             /*Descriptor of a input device driver*/
   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*/
 
-
-  /*Initialize the touch pad*/
-  //lv_indev_drv_t indev_drv;
-  //lv_indev_drv_init(&indev_drv);
-  //indev_drv.type = LV_INDEV_TYPE_ENCODER;
-  //indev_drv.read_cb = read_encoder;
-  //lv_indev_drv_register(&indev_drv);
-
   /*Initialize the graphics library's tick*/
   tick.attach_ms(LVGL_TICK_PERIOD, lv_tick_handler);
 

lv_conf.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
  *==================*/
@@ -220,14 +231,51 @@ typedef void * lv_indev_drv_user_data_t;            /*Type of user data in the i
  * 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`*/
+ * 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
  *================*/
@@ -259,6 +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
@@ -274,6 +326,17 @@ typedef void * lv_indev_drv_user_data_t;            /*Type of user data in the i
 /*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;
 
@@ -291,6 +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
  *==================*/
@@ -349,6 +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