Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

sdk/lib/lvgl/src/misc/lv_utils.h

@@ -0,0 +1,58 @@
+/**
+ * @file lv_utils.h
+ *
+ */
+
+#ifndef LV_UTILS_H
+#define LV_UTILS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include <stdint.h>
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/** Searches base[0] to base[n - 1] for an item that matches *key.
+ *
+ * @note The function cmp must return negative if it's first
+ *  argument (the search key) is less that it's second (a table entry),
+ *  zero if equal, and positive if greater.
+ *
+ *  @note Items in the array must be in ascending order.
+ *
+ * @param key    Pointer to item being searched for
+ * @param base   Pointer to first element to search
+ * @param n      Number of elements
+ * @param size   Size of each element
+ * @param cmp    Pointer to comparison function (see #unicode_list_compare as a comparison function
+ * example)
+ *
+ * @return a pointer to a matching item, or NULL if none exists.
+ */
+void * _lv_utils_bsearch(const void * key, const void * base, uint32_t n, uint32_t size,
+                         int32_t (*cmp)(const void * pRef, const void * pElement));
+
+/**********************
+ *      MACROS
+ **********************/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif