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lv_hal: add init funtion to call prior driver registration

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This commit is contained in:
Gabor Kiss-Vamosi
2017-11-27 09:38:10 +01:00
parent c9b28c7692
commit 0a3ff11223
4 changed files with 43 additions and 2 deletions
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15
lv_hal/lv_hal_disp.c
View File

@@ -40,13 +40,26 @@ static lv_disp_t *active;
* GLOBAL FUNCTIONS
**********************/
/**
* Initialize a display driver with default values.
* It is used to surly have known values in the fields ant not memory junk.
* After it you can set the fields.
* @param driver pointer to driver variable to initialize
*/
void lv_disp_drv_init(lv_disp_drv_t *driver)
{
driver->fill_fp = NULL;
driver->map_fp = NULL;
driver->blend_fp = NULL;
}
/**
* 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)
lv_disp_t * lv_disp_drv_register(lv_disp_drv_t *driver)
{
lv_disp_t *node;

9
lv_hal/lv_hal_disp.h
View File

@@ -46,6 +46,13 @@ typedef struct _disp_t {
* GLOBAL PROTOTYPES
**********************/
/**
* Initialize a display driver with default values.
* It is used to surly have known values in the fields ant not memory junk.
* After it you can set the fields.
* @param driver pointer to driver variable to initialize
*/
void lv_disp_drv_init(lv_disp_drv_t *driver);
/**
* Register an initialized display driver.
@@ -53,7 +60,7 @@ typedef struct _disp_t {
* @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);
lv_disp_t * lv_disp_drv_register(lv_disp_drv_t *driver);
/**
* Set the active display

12
lv_hal/lv_hal_indev.c
View File

@@ -36,6 +36,18 @@ static lv_indev_t *indev_list = NULL;
* GLOBAL FUNCTIONS
**********************/
/**
* Initialize an input device driver with default values.
* It is used to surly have known values in the fields ant not memory junk.
* After it you can set the fields.
* @param driver pointer to driver variable to initialize
*/
void lv_indev_drv_init(lv_indev_drv_t *driver)
{
driver->read_fp = NULL;
driver->type = LV_INDEV_TYPE_NONE;
}
/**
* Register an initialized input device driver.
* @param driver pointer to an initialized 'lv_indev_drv_t' variable (can be local variable)

9
lv_hal/lv_hal_indev.h
View File

@@ -30,6 +30,7 @@ extern "C" {
/*Possible input device types*/
typedef enum {
LV_INDEV_TYPE_NONE, /*Show uninitialized state*/
LV_INDEV_TYPE_TOUCHPAD, /*Touch pad*/
LV_INDEV_TYPE_MOUSE, /*Mouse or similar pointer device*/
LV_INDEV_TYPE_KEYPAD, /*Keypad or keyboard*/
@@ -105,6 +106,14 @@ typedef struct _lv_indev_t {
* GLOBAL PROTOTYPES
**********************/
/**
* Initialize an input device driver with default values.
* It is used to surly have known values in the fields ant not memory junk.
* After it you can set the fields.
* @param driver pointer to driver variable to initialize
*/
void lv_indev_drv_init(lv_indev_drv_t *driver);
/**
* Register an initialized input device driver.
* @param driver pointer to an initialized 'lv_indev_drv_t' variable (can be local variable)