2 files changed, 198 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_anim_timeline.c b/lib/lvgl/src/misc/lv_anim_timeline.c
new file mode 100644
index 00000000..08d5321f
--- /dev/null
+++ b/lib/lvgl/src/misc/lv_anim_timeline.c
@@ -0,0 +1,198 @@
+/**
+ * @file lv_anim_timeline.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_anim_timeline.h"
+#include "lv_mem.h"
+#include "lv_assert.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/*Data of anim_timeline_dsc*/
+typedef struct {
+    lv_anim_t anim;
+    uint32_t start_time;
+} lv_anim_timeline_dsc_t;
+
+/*Data of anim_timeline*/
+struct _lv_anim_timeline_t {
+    lv_anim_timeline_dsc_t * anim_dsc;  /**< Dynamically allocated anim dsc array*/
+    uint32_t anim_dsc_cnt;              /**< The length of anim dsc array*/
+    bool reverse;                       /**< Reverse playback*/
+};
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void lv_anim_timeline_virtual_exec_cb(void * var, int32_t v);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+lv_anim_timeline_t * lv_anim_timeline_create(void)
+{
+    lv_anim_timeline_t * at = (lv_anim_timeline_t *)lv_mem_alloc(sizeof(lv_anim_timeline_t));
+
+    LV_ASSERT_MALLOC(at);
+
+    if(at) lv_memset_00(at, sizeof(lv_anim_timeline_t));
+
+    return at;
+}
+
+void lv_anim_timeline_del(lv_anim_timeline_t * at)
+{
+    LV_ASSERT_NULL(at);
+
+    lv_anim_timeline_stop(at);
+
+    lv_mem_free(at->anim_dsc);
+    lv_mem_free(at);
+}
+
+void lv_anim_timeline_add(lv_anim_timeline_t * at, uint32_t start_time, lv_anim_t * a)
+{
+    LV_ASSERT_NULL(at);
+
+    at->anim_dsc_cnt++;
+    at->anim_dsc = lv_mem_realloc(at->anim_dsc, at->anim_dsc_cnt * sizeof(lv_anim_timeline_dsc_t));
+
+    LV_ASSERT_MALLOC(at->anim_dsc);
+
+    at->anim_dsc[at->anim_dsc_cnt - 1].anim = *a;
+    at->anim_dsc[at->anim_dsc_cnt - 1].start_time = start_time;
+
+    /*Add default var and virtual exec_cb, used to delete animation.*/
+    if(a->var == NULL && a->exec_cb == NULL) {
+        at->anim_dsc[at->anim_dsc_cnt - 1].anim.var = at;
+        at->anim_dsc[at->anim_dsc_cnt - 1].anim.exec_cb = lv_anim_timeline_virtual_exec_cb;
+    }
+}
+
+uint32_t lv_anim_timeline_start(lv_anim_timeline_t * at)
+{
+    LV_ASSERT_NULL(at);
+
+    const uint32_t playtime = lv_anim_timeline_get_playtime(at);
+    bool reverse = at->reverse;
+
+    for(uint32_t i = 0; i < at->anim_dsc_cnt; i++) {
+        lv_anim_t a = at->anim_dsc[i].anim;
+        uint32_t start_time = at->anim_dsc[i].start_time;
+
+        if(reverse) {
+            int32_t temp = a.start_value;
+            a.start_value = a.end_value;
+            a.end_value = temp;
+            lv_anim_set_delay(&a, playtime - (start_time + a.time));
+        }
+        else {
+            lv_anim_set_delay(&a, start_time);
+        }
+
+        lv_anim_start(&a);
+    }
+
+    return playtime;
+}
+
+void lv_anim_timeline_stop(lv_anim_timeline_t * at)
+{
+    LV_ASSERT_NULL(at);
+
+    for(uint32_t i = 0; i < at->anim_dsc_cnt; i++) {
+        lv_anim_t * a = &(at->anim_dsc[i].anim);
+        lv_anim_del(a->var, a->exec_cb);
+    }
+}
+
+void lv_anim_timeline_set_reverse(lv_anim_timeline_t * at, bool reverse)
+{
+    LV_ASSERT_NULL(at);
+    at->reverse = reverse;
+}
+
+void lv_anim_timeline_set_progress(lv_anim_timeline_t * at, uint16_t progress)
+{
+    LV_ASSERT_NULL(at);
+
+    const uint32_t playtime = lv_anim_timeline_get_playtime(at);
+    const uint32_t act_time = progress * playtime / 0xFFFF;
+
+    for(uint32_t i = 0; i < at->anim_dsc_cnt; i++) {
+        lv_anim_t * a = &(at->anim_dsc[i].anim);
+
+        if(a->exec_cb == NULL) {
+            continue;
+        }
+
+        uint32_t start_time = at->anim_dsc[i].start_time;
+        int32_t value = 0;
+
+        if(act_time < start_time) {
+            value = a->start_value;
+        }
+        else if(act_time < (start_time + a->time)) {
+            a->act_time = act_time - start_time;
+            value = a->path_cb(a);
+        }
+        else {
+            value = a->end_value;
+        }
+
+        a->exec_cb(a->var, value);
+    }
+}
+
+uint32_t lv_anim_timeline_get_playtime(lv_anim_timeline_t * at)
+{
+    LV_ASSERT_NULL(at);
+
+    uint32_t playtime = 0;
+    for(uint32_t i = 0; i < at->anim_dsc_cnt; i++) {
+        uint32_t end = lv_anim_get_playtime(&at->anim_dsc[i].anim);
+        if(end == LV_ANIM_PLAYTIME_INFINITE)
+            return end;
+        end += at->anim_dsc[i].start_time;
+        if(end > playtime) {
+            playtime = end;
+        }
+    }
+
+    return playtime;
+}
+
+bool lv_anim_timeline_get_reverse(lv_anim_timeline_t * at)
+{
+    LV_ASSERT_NULL(at);
+    return at->reverse;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+static void lv_anim_timeline_virtual_exec_cb(void * var, int32_t v)
+{
+    LV_UNUSED(var);
+    LV_UNUSED(v);
+}