Transition to hekate bdk layout

bdk/libs/lvgl/lv_hal/lv_hal_tick.c

@@ -0,0 +1,100 @@
+/**
+ * @file systick.c
+ * Provide access to the system tick with 1 millisecond resolution
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#ifdef LV_CONF_INCLUDE_SIMPLE
+#include "lv_conf.h"
+#else
+#include "../../lv_conf.h"
+#endif
+
+#include "lv_hal_tick.h"
+#include <stddef.h>
+
+#if LV_TICK_CUSTOM == 1
+#include LV_TICK_CUSTOM_INCLUDE
+#endif
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+static uint32_t sys_time = 0;
+static volatile uint8_t tick_irq_flag;
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+/**
+ * You have to call this function periodically
+ * @param tick_period the call period of this function in milliseconds
+ */
+LV_ATTRIBUTE_TICK_INC void lv_tick_inc(uint32_t tick_period)
+{
+    tick_irq_flag = 0;
+    sys_time += tick_period;
+}
+
+/**
+ * Get the elapsed milliseconds since start up
+ * @return the elapsed milliseconds
+ */
+uint32_t lv_tick_get(void)
+{
+#if LV_TICK_CUSTOM == 0
+    uint32_t result;
+    do {
+        tick_irq_flag = 1;
+        result = sys_time;
+    } while(!tick_irq_flag);     /*'lv_tick_inc()' clears this flag which can be in an interrupt. Continue until make a non interrupted cycle */
+
+    return result;
+#else
+    return LV_TICK_CUSTOM_SYS_TIME_EXPR;
+#endif
+}
+
+/**
+ * Get the elapsed milliseconds since a previous time stamp
+ * @param prev_tick a previous time stamp (return value of systick_get() )
+ * @return the elapsed milliseconds since 'prev_tick'
+ */
+uint32_t lv_tick_elaps(uint32_t prev_tick)
+{
+    uint32_t act_time = lv_tick_get();
+
+    /*If there is no overflow in sys_time simple subtract*/
+    if(act_time >= prev_tick) {
+        prev_tick = act_time - prev_tick;
+    } else {
+        prev_tick = UINT32_MAX - prev_tick + 1;
+        prev_tick += act_time;
+    }
+
+    return prev_tick;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+