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led: add LV_LED_BRIGHT_MIN/MAX global configs and limit brightness between them

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This commit is contained in:
Gabor Kiss-Vamosi 2020-03-09 15:18:19 +01:00
parent 1f2c772e06
commit 7bfc82317a
4 changed files with 23 additions and 10 deletions
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4
lv_conf_template.h
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@ -522,6 +522,10 @@ typedef void * lv_obj_user_data_t;
/*LED (dependencies: -)*/
#define LV_USE_LED 1
#if LV_USE_LED
# define LV_LED_BRIGHT_MIN 60 /*Minimal brightness*/
# define LV_LED_BRIGHT_MAX 255 /*Maximal brightness*/
#endif
/*Line (dependencies: -*/
#define LV_USE_LINE 1

8
src/lv_conf_internal.h
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@ -766,6 +766,14 @@
#ifndef LV_USE_LED
#define LV_USE_LED 1
#endif
#if LV_USE_LED
#ifndef LV_LED_BRIGHT_MIN
# define LV_LED_BRIGHT_MIN 60 /*Minimal brightness*/
#endif
#ifndef LV_LED_BRIGHT_MAX
# define LV_LED_BRIGHT_MAX 255 /*Maximal brightness*/
#endif
#endif
/*Line (dependencies: -*/
#ifndef LV_USE_LINE

19
src/lv_widgets/lv_led.c
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@ -20,8 +20,6 @@
#define LV_LED_WIDTH_DEF (LV_DPI / 3)
#define LV_LED_HEIGHT_DEF (LV_DPI / 3)
#define LV_LED_BRIGHT_OFF 60
#define LV_LED_BRIGHT_ON 255
/**********************
* TYPEDEFS
@ -73,7 +71,7 @@ lv_obj_t * lv_led_create(lv_obj_t * par, const lv_obj_t * copy)
return NULL;
}
ext->bright = LV_LED_BRIGHT_ON;
ext->bright = LV_LED_BRIGHT_MAX;
lv_obj_set_signal_cb(led, lv_led_signal);
lv_obj_set_design_cb(led, lv_led_design);
@ -105,7 +103,7 @@ lv_obj_t * lv_led_create(lv_obj_t * par, const lv_obj_t * copy)
/**
* Set the brightness of a LED object
* @param led pointer to a LED object
* @param bright 0 (max. dark) ... 255 (max. light)
* @param bright LV_LED_BRIGHT_MIN (max. dark) ... LV_LED_BRIGHT_MAX (max. light)
*/
void lv_led_set_bright(lv_obj_t * led, uint8_t bright)
{
@ -115,6 +113,9 @@ void lv_led_set_bright(lv_obj_t * led, uint8_t bright)
lv_led_ext_t * ext = lv_obj_get_ext_attr(led);
if(ext->bright == bright) return;
if(bright < LV_LED_BRIGHT_MIN) bright = LV_LED_BRIGHT_MIN;
if(bright > LV_LED_BRIGHT_MAX) bright = LV_LED_BRIGHT_MAX;
ext->bright = bright;
/*Invalidate the object there fore it will be redrawn*/
@ -129,7 +130,7 @@ void lv_led_on(lv_obj_t * led)
{
LV_ASSERT_OBJ(led, LV_OBJX_NAME);
lv_led_set_bright(led, LV_LED_BRIGHT_ON);
lv_led_set_bright(led, LV_LED_BRIGHT_MAX);
}
/**
@ -140,7 +141,7 @@ void lv_led_off(lv_obj_t * led)
{
LV_ASSERT_OBJ(led, LV_OBJX_NAME);
lv_led_set_bright(led, LV_LED_BRIGHT_OFF);
lv_led_set_bright(led, LV_LED_BRIGHT_MIN);
}
/**
@ -152,7 +153,7 @@ void lv_led_toggle(lv_obj_t * led)
LV_ASSERT_OBJ(led, LV_OBJX_NAME);
uint8_t bright = lv_led_get_bright(led);
if(bright > (LV_LED_BRIGHT_OFF + LV_LED_BRIGHT_ON) >> 1)
if(bright > (LV_LED_BRIGHT_MIN + LV_LED_BRIGHT_MAX) >> 1)
lv_led_off(led);
else
lv_led_on(led);
@ -211,8 +212,8 @@ static lv_design_res_t lv_led_design(lv_obj_t * led, const lv_area_t * clip_area
/*Set the current shadow width according to brightness proportionally between LV_LED_BRIGHT_OFF
* and LV_LED_BRIGHT_ON*/
rect_dsc.shadow_width = ((ext->bright - LV_LED_BRIGHT_OFF) * rect_dsc.shadow_width) /
(LV_LED_BRIGHT_ON - LV_LED_BRIGHT_OFF);
rect_dsc.shadow_width = ((ext->bright - LV_LED_BRIGHT_MIN) * rect_dsc.shadow_width) /
(LV_LED_BRIGHT_MAX - LV_LED_BRIGHT_MIN);
lv_draw_rect(&led->coords, clip_area, &rect_dsc);
}

2
src/lv_widgets/lv_led.h
View File

@ -55,7 +55,7 @@ lv_obj_t * lv_led_create(lv_obj_t * par, const lv_obj_t * copy);
/**
* Set the brightness of a LED object
* @param led pointer to a LED object
* @param bright 0 (max. dark) ... 255 (max. light)
* @param bright LV_LED_BRIGHT_MIN (max. dark) ... LV_LED_BRIGHT_MAX (max. light)
*/
void lv_led_set_bright(lv_obj_t * led, uint8_t bright);