LVGL 库提交

2026-08-30 08:57:07 +08:00
parent 0b59118ddd
commit bc07701ed5
1056 changed files with 556743 additions and 45 deletions
@@ -0,0 +1,85 @@
+/**
+ * @file lv_tick.h
+ * Provide access to the system tick with 1 millisecond resolution
+ */
+
+#ifndef LV_TICK_H
+#define LV_TICK_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "../lv_conf_internal.h"
+
+#include "../misc/lv_types.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+#ifndef LV_ATTRIBUTE_TICK_INC
+#define LV_ATTRIBUTE_TICK_INC
+#endif
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+typedef uint32_t (*lv_tick_get_cb_t)(void);
+
+typedef void (*lv_delay_cb_t)(uint32_t ms);
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * 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);
+
+/**
+ * Get the elapsed milliseconds since start up
+ * @return          the elapsed milliseconds
+ */
+uint32_t lv_tick_get(void);
+
+/**
+ * Get the elapsed milliseconds since a previous time stamp
+ * @param prev_tick     a previous time stamp (return value of lv_tick_get() )
+ * @return              the elapsed milliseconds since 'prev_tick'
+ */
+uint32_t lv_tick_elaps(uint32_t prev_tick);
+
+/**
+ * Delay for the given milliseconds.
+ * By default it's a blocking delay, but with `lv_delay_set_cb()`
+ * a custom delay function can be set too
+ * @param ms        the number of milliseconds to delay
+ */
+void lv_delay_ms(uint32_t ms);
+
+/**
+ * Set the custom callback for 'lv_tick_get'
+ * @param cb        call this callback on 'lv_tick_get'
+ */
+void lv_tick_set_cb(lv_tick_get_cb_t cb);
+
+/**
+ * Set a custom callback for 'lv_delay_ms'
+ * @param cb        call this callback in 'lv_delay_ms'
+ */
+void lv_delay_set_cb(lv_delay_cb_t cb);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_TICK_H*/