Revert to using LV_STDLIB_MICROPYTHON

LV_STDLIB_BUILTIN, while making soft-reboots work, introduces issues with indev
(and probably others) so we give up the convenience of soft-reboots in favor of
working firmwares.

Related: lvgl/lv_binding_micropython#343

README.md

@@ -53,6 +53,10 @@ Compile adding the `USER_C_MODULES` parameter to the `make` command.
 make USER_C_MODULES=/path/to/lvgl_esp32_mpy/micropython.cmake <other options>
 ```
 
+## Broken things
+
+* [Soft-reboots are not working](https://github.com/lvgl/lv_binding_micropython/issues/343) 
+
 ## Missing things
 
 Things I'll probably still implement at some point:

binding/binding.cmake

@@ -65,6 +65,7 @@ file(WRITE ${LVGL_MPY} "")
 
 add_library(usermod_lv_bindings INTERFACE)
 target_sources(usermod_lv_bindings INTERFACE ${LVGL_MPY})
+target_include_directories(usermod_lv_bindings INTERFACE ${LVGL_BINDINGS_DIR})
 
 target_link_libraries(usermod_lv_bindings INTERFACE lvgl_interface)
 

binding/include/lv_mp_mem_custom_include.h

@@ -0,0 +1,33 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2019-2021 LVGL
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef __LV_MP_MEM_CUSTOM_INCLUDE_H
+#define __LV_MP_MEM_CUSTOM_INCLUDE_H
+
+#include <py/mpconfig.h>
+#include <py/misc.h>
+#include <py/gc.h>
+
+#endif //__LV_MP_MEM_CUSTOM_INCLUDE_H

binding/lv_conf.h

@@ -64,7 +64,7 @@
  * - LV_STDLIB_RTTHREAD:    RT-Thread implementation
  * - LV_STDLIB_CUSTOM:      Implement the functions externally
  */
-#define LV_USE_STDLIB_MALLOC    LV_STDLIB_BUILTIN
+#define LV_USE_STDLIB_MALLOC    LV_STDLIB_MICROPYTHON
 #define LV_USE_STDLIB_STRING    LV_STDLIB_BUILTIN
 #define LV_USE_STDLIB_SPRINTF   LV_STDLIB_BUILTIN
 
@@ -320,10 +320,15 @@
  * Others
  *-----------*/
 
-#define LV_ENABLE_GLOBAL_CUSTOM 0
+/*Garbage Collector settings
+ *Used if LVGL is bound to higher level language and the memory is managed by that language*/
+extern void mp_lv_init_gc();
+#define LV_GC_INIT() mp_lv_init_gc()
+
+#define LV_ENABLE_GLOBAL_CUSTOM 1
 #if LV_ENABLE_GLOBAL_CUSTOM
-    /*Header to include for the custom 'lv_global' function"*/
-    #define LV_GLOBAL_CUSTOM_INCLUDE <stdint.h>
+    extern void *mp_lv_roots;
+    #define LV_GLOBAL_CUSTOM() ((lv_global_t*)mp_lv_roots)
 #endif
 
 /*Default cache size in bytes.