2 files changed, 184 insertions, 0 deletions
diff --git a/lib/lvgl b/lib/lvgl
deleted file mode 160000
-Subproject 0732400e7b564dd0e7dc4a924619d8e19c5b23a
diff --git a/lib/lvgl/scripts/lv_conf_internal_gen.py b/lib/lvgl/scripts/lv_conf_internal_gen.py
new file mode 100755
index 00000000..0347827a
--- /dev/null
+++ b/lib/lvgl/scripts/lv_conf_internal_gen.py
@@ -0,0 +1,184 @@
+#!/usr/bin/env python3
+
+'''
+Generates lv_conf_internal.h from lv_conf_template.h to provide default values
+'''
+
+import os
+import sys
+import re
+
+SCRIPT_DIR = os.path.dirname(__file__)
+LV_CONF_TEMPLATE = os.path.join(SCRIPT_DIR, "..", "lv_conf_template.h")
+LV_CONF_INTERNAL = os.path.join(SCRIPT_DIR, "..", "src", "lv_conf_internal.h")
+
+if sys.version_info < (3,6,0):
+  print("Python >=3.6 is required", file=sys.stderr)
+  exit(1)
+
+fin = open(LV_CONF_TEMPLATE)
+fout = open(LV_CONF_INTERNAL, "w")
+
+fout.write(
+'''/**
+ * GENERATED FILE, DO NOT EDIT IT!
+ * @file lv_conf_internal.h
+ * Make sure all the defines of lv_conf.h have a default value
+**/
+
+#ifndef LV_CONF_INTERNAL_H
+#define LV_CONF_INTERNAL_H
+/* clang-format off */
+
+#include <stdint.h>
+
+/* Handle special Kconfig options */
+#ifndef LV_KCONFIG_IGNORE
+    #include "lv_conf_kconfig.h"
+    #ifdef CONFIG_LV_CONF_SKIP
+        #define LV_CONF_SKIP
+    #endif
+#endif
+
+/*If "lv_conf.h" is available from here try to use it later.*/
+#ifdef __has_include
+    #if __has_include("lv_conf.h")
+        #ifndef LV_CONF_INCLUDE_SIMPLE
+            #define LV_CONF_INCLUDE_SIMPLE
+        #endif
+    #endif
+#endif
+
+/*If lv_conf.h is not skipped include it*/
+#ifndef LV_CONF_SKIP
+    #ifdef LV_CONF_PATH                           /*If there is a path defined for lv_conf.h use it*/
+        #define __LV_TO_STR_AUX(x) #x
+        #define __LV_TO_STR(x) __LV_TO_STR_AUX(x)
+        #include __LV_TO_STR(LV_CONF_PATH)
+        #undef __LV_TO_STR_AUX
+        #undef __LV_TO_STR
+    #elif defined(LV_CONF_INCLUDE_SIMPLE)         /*Or simply include lv_conf.h is enabled*/
+        #include "lv_conf.h"
+    #else
+        #include "../../lv_conf.h"                /*Else assume lv_conf.h is next to the lvgl folder*/
+    #endif
+    #if !defined(LV_CONF_H) && !defined(LV_CONF_SUPPRESS_DEFINE_CHECK)
+        /* #include will sometimes silently fail when __has_include is used */
+        /* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80753 */
+        #pragma message("Possible failure to include lv_conf.h, please read the comment in this file if you get errors")
+    #endif
+#endif
+
+#ifdef CONFIG_LV_COLOR_DEPTH
+    #define _LV_KCONFIG_PRESENT
+#endif
+
+/*----------------------------------
+ * Start parsing lv_conf_template.h
+ -----------------------------------*/
+'''
+)
+
+started = 0
+
+for line in fin.read().splitlines():
+  if not started:
+    if '#define LV_CONF_H' in line:
+      started = 1
+      continue
+    else:
+      continue
+
+  if '/*--END OF LV_CONF_H--*/' in line: break
+
+  #Is there a #define in this line?
+  r = re.search(r'^([\s]*)#[\s]*(undef|define)[\s]+([^\s]+).*$', line)   # \s means any white space character
+
+  if r:
+    indent = r[1]
+
+    name = r[3]
+    name = re.sub('\(.*?\)', '', name, 1)    #remove parentheses from macros. E.g. MY_FUNC(5) -> MY_FUNC
+
+    line = re.sub('[\s]*', '', line, 1)
+
+    #If the value should be 1 (enabled) by default use a more complex structure for Kconfig checks because
+    #if a not defined CONFIG_... value should be interpreted as 0 and not the LVGL default
+    is_one = re.search(r'#[\s]*define[\s]*[A-Z0-9_]+[\s]+1([\s]*$|[\s]+)', line)
+    if is_one:
+      #1. Use the value if already set from lv_conf.h or anything else (i.e. do nothing)
+      #2. In Kconfig environment use the CONFIG_... value if set, else use 0
+      #3. In not Kconfig environment use the LVGL's default value
+
+      fout.write(
+        f'{indent}#ifndef {name}\n'
+        f'{indent}    #ifdef _LV_KCONFIG_PRESENT\n'
+        f'{indent}        #ifdef CONFIG_{name.upper()}\n'
+        f'{indent}            #define {name} CONFIG_{name.upper()}\n'
+        f'{indent}        #else\n'
+        f'{indent}            #define {name} 0\n'
+        f'{indent}        #endif\n'
+        f'{indent}    #else\n'
+        f'{indent}        {line}\n'
+        f'{indent}    #endif\n'
+        f'{indent}#endif\n'
+      )
+    else:
+      #1. Use the value if already set from lv_conf.h or anything else  (i.e. do nothing)
+      #2. Use the Kconfig value if set
+      #3. Use the LVGL's default value
+
+      fout.write(
+        f'{indent}#ifndef {name}\n'
+        f'{indent}    #ifdef CONFIG_{name.upper()}\n'
+        f'{indent}        #define {name} CONFIG_{name.upper()}\n'
+        f'{indent}    #else\n'
+        f'{indent}        {line}\n'
+        f'{indent}    #endif\n'
+        f'{indent}#endif\n'
+      )
+
+  elif re.search('^ *typedef .*;.*$', line):
+    continue   #ignore typedefs to avoid redeclaration
+  else:
+    fout.write(f'{line}\n')
+
+fout.write(
+'''
+
+/*----------------------------------
+ * End of parsing lv_conf_template.h
+ -----------------------------------*/
+
+LV_EXPORT_CONST_INT(LV_DPI_DEF);
+
+#undef _LV_KCONFIG_PRESENT
+
+
+/*Set some defines if a dependency is disabled*/
+#if LV_USE_LOG == 0
+    #define LV_LOG_LEVEL            LV_LOG_LEVEL_NONE
+    #define LV_LOG_TRACE_MEM        0
+    #define LV_LOG_TRACE_TIMER      0
+    #define LV_LOG_TRACE_INDEV      0
+    #define LV_LOG_TRACE_DISP_REFR  0
+    #define LV_LOG_TRACE_EVENT      0
+    #define LV_LOG_TRACE_OBJ_CREATE 0
+    #define LV_LOG_TRACE_LAYOUT     0
+    #define LV_LOG_TRACE_ANIM       0
+#endif  /*LV_USE_LOG*/
+
+
+/*If running without lv_conf.h add typedefs with default value*/
+#ifdef LV_CONF_SKIP
+    #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)    /*Disable warnings for Visual Studio*/
+        #define _CRT_SECURE_NO_WARNINGS
+    #endif
+#endif  /*defined(LV_CONF_SKIP)*/
+
+#endif  /*LV_CONF_INTERNAL_H*/
+'''
+)
+
+fin.close()
+fout.close()