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LV_VDB_ADR added to place vdb to sepcific address

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This commit is contained in:
Gabor Kiss-Vamosi
2017-11-30 09:53:26 +01:00
parent 11c2d5dce4
commit 2f5a09bc99
4 changed files with 31 additions and 10 deletions
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10
lv_conf_templ.h
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@@ -31,12 +31,14 @@
#define LV_VER_RES (480 << LV_ANTIALIAS) #define LV_VER_RES (480 << LV_ANTIALIAS)
#define LV_DPI (100 << LV_ANTIALIAS) #define LV_DPI (100 << LV_ANTIALIAS)
/* Buffered rendering: >= LV_DOWNSCALE * LV_HOR_RES or 0 to disable buffering*/ /* Buffered rendering: >= LV_HOR_RES or 0 to disable buffering*/
#define LV_VDB_SIZE (40 * LV_VER_RES) #define LV_VDB_SIZE (40 * LV_HOR_RES)
#define LV_VDB_ADR 0 /*Place VDB to a specific address (e.g. in external RAM) (0: allocate into RAM)*/
/* Use two Virtual Display buffers (VDB) parallelize rendering and flushing /* Use two Virtual Display buffers (VDB) parallelize rendering and flushing
* The flushing should use DMA to write the frame buffer in the background*/ * The flushing should use DMA to write the frame buffer in the background*/
#define LV_VDB_DOUBLE 0 #define LV_VDB_DOUBLE 0
#define LV_VDB2_ADR 0 /*Place VDB2 to a specific address (e.g. in external RAM) (0: allocate into RAM)*/
/* Enable anti aliasing /* Enable anti aliasing
* If enabled everything will be rendered in double size and filtered to normal size */ * If enabled everything will be rendered in double size and filtered to normal size */
@@ -44,7 +46,7 @@
/* Enable anti aliasing only for fonts (texts) /* Enable anti aliasing only for fonts (texts)
* It half the size of the letters so you should use double sized fonts * It half the size of the letters so you should use double sized fonts
* Much faster then normal anti aliasing */ * Much faster then normal anti aliasing (don't use together with LV_ANTIALIAS) */
#define LV_FONT_ANTIALIAS 1 #define LV_FONT_ANTIALIAS 1
/*================= /*=================

2
lv_hal/lv_hal_tick.c
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@@ -42,7 +42,7 @@ static volatile uint8_t tick_irq_flag;
void lv_tick_inc(uint32_t tick_period) void lv_tick_inc(uint32_t tick_period)
{ {
tick_irq_flag = 0; tick_irq_flag = 0;
sys_time++; sys_time += tick_period;
} }
/** /**

27
lv_obj/lv_vdb.c
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@@ -33,12 +33,31 @@ typedef enum {
/********************** /**********************
* STATIC VARIABLES * STATIC VARIABLES
**********************/ **********************/
#if LV_VDB_DOUBLE == 0 #if LV_VDB_DOUBLE == 0
static lv_vdb_t vdb; /*Simple VDB*/
static volatile lv_vdb_state_t vdb_state = LV_VDB_STATE_ACTIVE; static volatile lv_vdb_state_t vdb_state = LV_VDB_STATE_ACTIVE;
# if LV_VDB_ADR == 0
/*If the buffer address is not specified simply allocate it*/
static lv_color_t vdb_buf[LV_VDB_SIZE];
static lv_vdb_t vdb = {.buf = vdb_buf};
# else
/*If the buffer address is specified use that address*/
static lv_vdb_t vdb = {.buf = (lv_color_t *)LV_VDB_ADR};
# endif
#else #else
static lv_vdb_t vdb[2]; /*Double VDB*/
static volatile lv_vdb_state_t vdb_state[2] = {LV_VDB_STATE_FREE, LV_VDB_STATE_FREE}; static volatile lv_vdb_state_t vdb_state[2] = {LV_VDB_STATE_FREE, LV_VDB_STATE_FREE};
# if LV_VDB_ADR == 0
/*If the buffer address is not specified simply allocate it*/
static lv_color_t vdb_buf1[LV_VDB_SIZE];
static lv_color_t vdb_buf2[LV_VDB_SIZE];
static lv_vdb_t vdb[2] = {{.buf = vdb_buf1}, {.buf = vdb_buf2}};
# else
/*If the buffer address is specified use that address*/
static lv_vdb_t vdb[2] = {{.buf = (lv_color_t *)LV_VDB_ADR}, {.buf = (lv_color_t *)LV_VDB2_ADR}};
# endif
#endif #endif
/********************** /**********************

2
lv_obj/lv_vdb.h
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@@ -31,7 +31,7 @@ extern "C" {
typedef struct typedef struct
{ {
lv_area_t area; lv_area_t area;
lv_color_t buf[LV_VDB_SIZE]; lv_color_t *buf;
}lv_vdb_t; }lv_vdb_t;
/********************** /**********************