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feat(nuttx): add cache interface (#5348)

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Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>
This commit is contained in:
_VIFEXTech 2024-01-16 21:22:20 +08:00 committed by GitHub
parent 5c459ba544
commit 86138aad37
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 119 additions and 0 deletions
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77
src/dev/nuttx/lv_nuttx_cache.c Normal file
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@ -0,0 +1,77 @@
/**
* @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(void * buf, uint32_t stride, lv_color_format_t color_format, 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(void * buf, uint32_t stride, lv_color_format_t color_format, const lv_area_t * area)
{
LV_UNUSED(color_format);
LV_ASSERT_NULL(buf);
lv_uintptr_t start;
lv_uintptr_t end;
if(area) {
int32_t h = lv_area_get_height(area);
start = (lv_uintptr_t)buf + area->y1 * stride;
end = start + h * stride;
}
else {
/* If area is empty, use stride as length */
start = (lv_uintptr_t)buf;
end = start + stride;
}
LV_UNUSED(start);
LV_UNUSED(end);
up_invalidate_dcache(start, end);
}
#endif /* LV_USE_NUTTX */

39
src/dev/nuttx/lv_nuttx_cache.h Normal file
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@ -0,0 +1,39 @@
/**
* @file lv_nuttx_cache.h
*
*/
#ifndef LV_NUTTX_CACHE_H
#define LV_NUTTX_CACHE_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* GLOBAL PROTOTYPES
**********************/
void lv_nuttx_cache_init(void);
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_NUTTX_CACHE_H*/

3
src/dev/nuttx/lv_nuttx_entry.c
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@ -13,6 +13,7 @@
#include <time.h>
#include <nuttx/tls.h>
#include <syslog.h>
#include "lv_nuttx_cache.h"
#include "../../../lvgl.h"
@ -95,6 +96,8 @@ void lv_nuttx_init(const lv_nuttx_dsc_t * dsc, lv_nuttx_result_t * result)
#endif
lv_tick_set_cb(millis);
lv_nuttx_cache_init();
if(result) {
lv_memzero(result, sizeof(lv_nuttx_result_t));
}