2 files changed, 154 insertions, 0 deletions
diff --git a/lib/lvgl b/lib/lvgl
deleted file mode 160000
-Subproject 0732400e7b564dd0e7dc4a924619d8e19c5b23a
diff --git a/lib/lvgl/src/misc/lv_log.h b/lib/lvgl/src/misc/lv_log.h
new file mode 100644
index 00000000..9a009930
--- /dev/null
+++ b/lib/lvgl/src/misc/lv_log.h
@@ -0,0 +1,154 @@
+/**
+ * @file lv_log.h
+ *
+ */
+
+#ifndef LV_LOG_H
+#define LV_LOG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "../lv_conf_internal.h"
+#include <stdint.h>
+
+#include "lv_types.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/*Possible log level. For compatibility declare it independently from `LV_USE_LOG`*/
+
+#define LV_LOG_LEVEL_TRACE 0 /**< A lot of logs to give detailed information*/
+#define LV_LOG_LEVEL_INFO  1 /**< Log important events*/
+#define LV_LOG_LEVEL_WARN  2 /**< Log if something unwanted happened but didn't caused problem*/
+#define LV_LOG_LEVEL_ERROR 3 /**< Only critical issue, when the system may fail*/
+#define LV_LOG_LEVEL_USER  4 /**< Custom logs from the user*/
+#define LV_LOG_LEVEL_NONE  5 /**< Do not log anything*/
+#define _LV_LOG_LEVEL_NUM  6 /**< Number of log levels*/
+
+LV_EXPORT_CONST_INT(LV_LOG_LEVEL_TRACE);
+LV_EXPORT_CONST_INT(LV_LOG_LEVEL_INFO);
+LV_EXPORT_CONST_INT(LV_LOG_LEVEL_WARN);
+LV_EXPORT_CONST_INT(LV_LOG_LEVEL_ERROR);
+LV_EXPORT_CONST_INT(LV_LOG_LEVEL_USER);
+LV_EXPORT_CONST_INT(LV_LOG_LEVEL_NONE);
+
+typedef int8_t lv_log_level_t;
+
+#if LV_USE_LOG
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**
+ * Log print function. Receives a string buffer to print".
+ */
+typedef void (*lv_log_print_g_cb_t)(const char * buf);
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * Register custom print/write function to call when a log is added.
+ * It can format its "File path", "Line number" and "Description" as required
+ * and send the formatted log message to a console or serial port.
+ * @param           print_cb a function pointer to print a log
+ */
+void lv_log_register_print_cb(lv_log_print_g_cb_t print_cb);
+
+/**
+ * Print a log message via `printf` if enabled with `LV_LOG_PRINTF` in `lv_conf.h`
+ * and/or a print callback if registered with `lv_log_register_print_cb`
+ * @param format    printf-like format string
+ * @param ...       parameters for `format`
+ */
+void lv_log(const char * format, ...) LV_FORMAT_ATTRIBUTE(1, 2);
+
+/**
+ * Add a log
+ * @param level     the level of log. (From `lv_log_level_t` enum)
+ * @param file      name of the file when the log added
+ * @param line      line number in the source code where the log added
+ * @param func      name of the function when the log added
+ * @param format    printf-like format string
+ * @param ...       parameters for `format`
+ */
+void _lv_log_add(lv_log_level_t level, const char * file, int line,
+                 const char * func, const char * format, ...) LV_FORMAT_ATTRIBUTE(5, 6);
+
+/**********************
+ *      MACROS
+ **********************/
+#ifndef LV_LOG_TRACE
+#  if LV_LOG_LEVEL <= LV_LOG_LEVEL_TRACE
+#    define LV_LOG_TRACE(...) _lv_log_add(LV_LOG_LEVEL_TRACE, __FILE__, __LINE__, __func__, __VA_ARGS__)
+#  else
+#    define LV_LOG_TRACE(...) do {}while(0)
+#  endif
+#endif
+
+#ifndef LV_LOG_INFO
+#  if LV_LOG_LEVEL <= LV_LOG_LEVEL_INFO
+#    define LV_LOG_INFO(...) _lv_log_add(LV_LOG_LEVEL_INFO, __FILE__, __LINE__, __func__, __VA_ARGS__)
+#  else
+#    define LV_LOG_INFO(...) do {}while(0)
+#  endif
+#endif
+
+#ifndef LV_LOG_WARN
+#  if LV_LOG_LEVEL <= LV_LOG_LEVEL_WARN
+#    define LV_LOG_WARN(...) _lv_log_add(LV_LOG_LEVEL_WARN, __FILE__, __LINE__, __func__, __VA_ARGS__)
+#  else
+#    define LV_LOG_WARN(...) do {}while(0)
+#  endif
+#endif
+
+#ifndef LV_LOG_ERROR
+#  if LV_LOG_LEVEL <= LV_LOG_LEVEL_ERROR
+#    define LV_LOG_ERROR(...) _lv_log_add(LV_LOG_LEVEL_ERROR, __FILE__, __LINE__, __func__, __VA_ARGS__)
+#  else
+#    define LV_LOG_ERROR(...) do {}while(0)
+#  endif
+#endif
+
+#ifndef LV_LOG_USER
+#  if LV_LOG_LEVEL <= LV_LOG_LEVEL_USER
+#    define LV_LOG_USER(...) _lv_log_add(LV_LOG_LEVEL_USER, __FILE__, __LINE__, __func__, __VA_ARGS__)
+#  else
+#    define LV_LOG_USER(...) do {}while(0)
+#  endif
+#endif
+
+#ifndef LV_LOG
+#  if LV_LOG_LEVEL < LV_LOG_LEVEL_NONE
+#    define LV_LOG(...) lv_log(__VA_ARGS__)
+#  else
+#    define LV_LOG(...) do {} while(0)
+#  endif
+#endif
+
+#else /*LV_USE_LOG*/
+
+/*Do nothing if `LV_USE_LOG 0`*/
+#define _lv_log_add(level, file, line, ...)
+#define LV_LOG_TRACE(...) do {}while(0)
+#define LV_LOG_INFO(...) do {}while(0)
+#define LV_LOG_WARN(...) do {}while(0)
+#define LV_LOG_ERROR(...) do {}while(0)
+#define LV_LOG_USER(...) do {}while(0)
+#define LV_LOG(...) do {}while(0)
+
+#endif /*LV_USE_LOG*/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_LOG_H*/