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mirror of https://github.com/lvgl/lvgl.git synced 2025-01-28 07:03:00 +08:00

lv_hal: comment update

This commit is contained in:
Gabor Kiss-Vamosi 2017-10-20 22:41:10 +02:00
parent 964499a06f
commit 816327f4f7
7 changed files with 70 additions and 53 deletions

View File

@ -117,7 +117,7 @@ void lv_vfill(const area_t * cords_p, const area_t * mask_p,
/*Move the vdb_tmp to the first row*/
vdb_buf_tmp += vdb_width * vdb_rel_a.y1;
if(lv_disp_is_accelerated() == false) {
if(lv_disp_is_copy_supported() == false) {
sw_color_fill(&vdb_p->area, vdb_buf_tmp, &vdb_rel_a, color, opa);
} else {
static color_t color_map[LV_HOR_RES];
@ -322,7 +322,7 @@ void lv_vmap(const area_t * cords_p, const area_t * mask_p,
cord_t map_useful_w = area_get_width(&masked_a);
for(row = masked_a.y1; row <= masked_a.y2; row++) {
if(lv_disp_is_accelerated() == false) {
if(lv_disp_is_copy_supported() == false) {
sw_color_cpy(&vdb_buf_tmp[masked_a.x1], &map_p[masked_a.x1], map_useful_w, opa);
} else {
lv_disp_copy(&vdb_buf_tmp[masked_a.x1], &map_p[masked_a.x1], map_useful_w, opa);

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@ -41,8 +41,9 @@ static lv_disp_t *active;
**********************/
/**
* Register Display driver
* @param driver Display driver structure
* Register an initialized display driver.
* Automatically set the first display as active.
* @param driver pointer to an initialized 'lv_disp_drv_t' variable (can be local variable)
* @return pointer to the new display or NULL on error
*/
lv_disp_t * lv_disp_register(lv_disp_drv_t *driver)
@ -68,9 +69,8 @@ lv_disp_t * lv_disp_register(lv_disp_drv_t *driver)
/**
* Set Active Display by ID
*
* @param id Display ID to set as active
* Set the active display
* @param disp pointer to a display (return value of 'lv_disp_register')
*/
void lv_disp_set_active(lv_disp_t * disp)
{
@ -78,14 +78,14 @@ void lv_disp_set_active(lv_disp_t * disp)
}
/**
* Get Active Display
*
* @return Active ID of display on success else -ve on error
* Get a pointer to the active display
* @return pointer to the active display
*/
lv_disp_t * lv_disp_get_active(void)
{
return active;
}
/**
* Get the next display.
* @param disp pointer to the current display. NULL to initialize.
@ -102,7 +102,7 @@ lv_disp_t * lv_disp_next(lv_disp_t * disp)
}
/**
* Fill a rectangular area with a color
* Fill a rectangular area with a color on the active display
* @param x1 left coordinate of the rectangle
* @param x2 right coordinate of the rectangle
* @param y1 top coordinate of the rectangle
@ -116,7 +116,7 @@ void lv_disp_fill(int32_t x1, int32_t y1, int32_t x2, int32_t y2, color_t color)
}
/**
* Put a color map to a rectangular area
* Put a color map to a rectangular area on the active display
* @param x1 left coordinate of the rectangle
* @param x2 right coordinate of the rectangle
* @param y1 top coordinate of the rectangle
@ -131,7 +131,8 @@ void lv_disp_map(int32_t x1, int32_t y1, int32_t x2, int32_t y2, const color_t *
/**
* Copy pixels to destination memory using opacity with GPU (hardware accelerator)
* Copy pixels to a destination memory applying opacity
* In 'lv_disp_drv_t' 'copy' is optional. (NULL to use the built-in copy function)
* @param dest a memory address. Copy 'src' here.
* @param src pointer to pixel map. Copy it to 'dest'.
* @param length number of pixels in 'src'
@ -143,7 +144,11 @@ void lv_disp_copy(color_t * dest, const color_t * src, uint32_t length, opa_t op
if(active->driver.copy != NULL) active->driver.copy(dest, src, length, opa);
}
bool lv_disp_is_accelerated(void)
/**
* Shows if 'copy' is supported or not
* @return false: 'copy' is not supported in the drover; true: 'copy' is supported in the driver
*/
bool lv_disp_is_copy_supported(void)
{
if(active->driver.copy) return true;
else return false;

View File

@ -48,31 +48,36 @@ typedef struct _disp_t {
* GLOBAL PROTOTYPES
**********************/
/**
* Register Display driver
*
* @param driver Display driver structure
* @return 0 on success, -ve on error
* Register an initialized display driver.
* Automatically set the first display as active.
* @param driver pointer to an initialized 'lv_disp_drv_t' variable (can be local variable)
* @return pointer to the new display or NULL on error
*/
lv_disp_t * lv_disp_register(lv_disp_drv_t *driver);
/**
* Set Active Display by ID
*
* @param id Display ID to set as active
* @return 0 on success, -ve on error
* Set the active display
* @param disp pointer to a display (return value of 'lv_disp_register')
*/
void lv_disp_set_active(lv_disp_t * disp);
/**
* Get Active Display
*
* @return Active ID of display on success else -ve on error
* Get a pointer to the active display
* @return pointer to the active display
*/
lv_disp_t * lv_disp_get_active(void);
/**
* Fill a rectangular area with a color
* Get the next display.
* @param disp pointer to the current display. NULL to initialize.
* @return the next display or NULL if no more. Give the first display when the parameter is NULL
*/
lv_disp_t * lv_disp_next(lv_disp_t * disp);
/**
* Fill a rectangular area with a color on the active display
* @param x1 left coordinate of the rectangle
* @param x2 right coordinate of the rectangle
* @param y1 top coordinate of the rectangle
@ -82,25 +87,31 @@ lv_disp_t * lv_disp_get_active(void);
void lv_disp_fill(int32_t x1, int32_t y1, int32_t x2, int32_t y2, color_t color);
/**
* Put a color map to a rectangular area
* Put a color map to a rectangular area on the active display
* @param x1 left coordinate of the rectangle
* @param x2 right coordinate of the rectangle
* @param y1 top coordinate of the rectangle
* @param y2 bottom coordinate of the rectangle
* @param color_p pointer to an array of colors
* @param color_map pointer to an array of colors
*/
void lv_disp_map(int32_t x1, int32_t y1, int32_t x2, int32_t y2, const color_t * color_p);
void lv_disp_map(int32_t x1, int32_t y1, int32_t x2, int32_t y2, const color_t * color_map);
/**
* Copy pixels to destination memory using opacity with GPU (hardware accelerator)
* Copy pixels to a destination memory applying opacity
* In 'lv_disp_drv_t' 'copy' is optional. (NULL to use the built-in copy function)
* @param dest a memory address. Copy 'src' here.
* @param src pointer to pixel map. Copy it to 'dest'.
* @param length number of pixels in 'src'
* @param opa opacity (0, OPA_TRANSP: transparent ... 255, OPA_COVER, fully cover)
*/
void lv_disp_color_cpy(color_t * dest, const color_t * src, uint32_t length, opa_t opa);
void lv_disp_copy(color_t * dest, const color_t * src, uint32_t length, opa_t opa);
/**
* Shows if 'copy' is supported or not
* @return false: 'copy' is not supported in the drover; true: 'copy' is supported in the driver
*/
bool lv_disp_is_copy_supported(void);
bool lv_disp_is_accelerated(void);
/**********************
* MACROS
**********************/

View File

@ -37,10 +37,9 @@ static lv_indev_t *indev_list = NULL;
**********************/
/**
* Register Input Device driver
*
* @param driver Input Device driver structure
* @return pointer to the new input device
* Register an initialized input device driver.
* @param driver pointer to an initialized 'lv_indev_drv_t' variable (can be local variable)
* @return pointer to the new input device or NULL on error
*/
lv_indev_t * lv_indev_register(lv_indev_drv_t *driver)
{

View File

@ -93,22 +93,14 @@ typedef struct _lv_indev_t {
* GLOBAL PROTOTYPES
**********************/
/**
* Register Input Device driver
*
* @param driver Input Device driver structure
* @return 0 on success, -ve on error
* Register an initialized input device driver.
* @param driver pointer to an initialized 'lv_indev_drv_t' variable (can be local variable)
* @return pointer to the new input device or NULL on error
*/
lv_indev_t * lv_indev_register(lv_indev_drv_t *driver);
/**
* Ask data from an input device.
* @param data input device data
* @return false: no more data; true: there more data to read (buffered)
*/
bool lv_indev_read(lv_indev_t * indev, lv_indev_data_t *data);
/**
* Get the next input device.
* @param indev pointer to the current input device. NULL to initialize.
@ -116,6 +108,14 @@ bool lv_indev_read(lv_indev_t * indev, lv_indev_data_t *data);
*/
lv_indev_t * lv_indev_next(lv_indev_t * indev);
/**
* Read data from an input device.
* @param indev pointer to an input device
* @param data input device will write its data here
* @return false: no more data; true: there more data to read (buffered)
*/
bool lv_indev_read(lv_indev_t * indev, lv_indev_data_t *data);
/**********************
* MACROS
**********************/

View File

@ -27,7 +27,7 @@
**********************/
static uint32_t sys_time = 0;
static volatile uint8_t tick_irq_flag;
static volatile uint8_t tick_cb_sem; /*Semaphore for tick callbacks*/
static volatile uint8_t tick_cb_sem; /*Semaphore for tick callbacks*/
static void (*tick_callbacks[LV_HAL_TICK_CALLBACK_NUM])(void);
/**********************
@ -39,7 +39,7 @@ static void (*tick_callbacks[LV_HAL_TICK_CALLBACK_NUM])(void);
**********************/
/**
* Call this function in every milliseconds
* You have to call this function in every milliseconds in a timer interrupt
*/
void lv_tick_handler(void)
{
@ -72,7 +72,7 @@ uint32_t lv_tick_get(void)
/**
* Get the elapsed milliseconds science a previous time stamp
* @param prev_tick a previous time stamp ( return value of systick_get() )
* @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)

View File

@ -27,8 +27,10 @@ extern "C" {
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Call this function every milliseconds
* You have to call this function in every milliseconds in a timer interrupt
*/
void lv_tick_handler(void);
@ -40,7 +42,7 @@ uint32_t lv_tick_get(void);
/**
* Get the elapsed milliseconds science a previous time stamp
* @param prev_tick a previous time stamp from 'systick_get'
* @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);