blob: 0655d2f56227b7c9488b13f0a850f7e7d2d7751e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/**
* @file lv_nuttx_cache.c
*
*/
/*********************
* INCLUDES
*********************/
#include "lv_nuttx_cache.h"
#include "../../../lvgl.h"
#if LV_USE_NUTTX
#include <nuttx/cache.h>
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
static void invalidate_cache(const lv_draw_buf_t * draw_buf, const lv_area_t * area);
/**********************
* STATIC VARIABLES
**********************/
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
void lv_nuttx_cache_init(void)
{
lv_draw_buf_handlers_t * handlers = lv_draw_buf_get_handlers();
handlers->invalidate_cache_cb = invalidate_cache;
}
/**********************
* STATIC FUNCTIONS
**********************/
static void invalidate_cache(const lv_draw_buf_t * draw_buf, const lv_area_t * area)
{
LV_ASSERT_NULL(draw_buf);
void * buf = draw_buf->data;
uint32_t stride = draw_buf->header.stride;
lv_uintptr_t start;
lv_uintptr_t end;
int32_t h = lv_area_get_height(area);
start = (lv_uintptr_t)buf + area->y1 * stride;
end = start + h * stride;
LV_UNUSED(start);
LV_UNUSED(end);
up_invalidate_dcache(start, end);
}
#endif /* LV_USE_NUTTX */
|
