acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_example_meter_2.c (1867B)
      1 #include "../../lv_examples.h"
      2 #if LV_USE_METER && LV_BUILD_EXAMPLES
      3 
      4 static lv_obj_t * meter;
      5 
      6 static void set_value(void * indic, int32_t v)
      7 {
      8     lv_meter_set_indicator_end_value(meter, indic, v);
      9 }
     10 
     11 
     12 /**
     13  * A meter with multiple arcs
     14  */
     15 void lv_example_meter_2(void)
     16 {
     17     meter = lv_meter_create(lv_scr_act());
     18     lv_obj_center(meter);
     19     lv_obj_set_size(meter, 200, 200);
     20 
     21     /*Remove the circle from the middle*/
     22     lv_obj_remove_style(meter, NULL, LV_PART_INDICATOR);
     23 
     24     /*Add a scale first*/
     25     lv_meter_scale_t * scale = lv_meter_add_scale(meter);
     26     lv_meter_set_scale_ticks(meter, scale, 11, 2, 10, lv_palette_main(LV_PALETTE_GREY));
     27     lv_meter_set_scale_major_ticks(meter, scale, 1, 2, 30, lv_color_hex3(0xeee), 15);
     28     lv_meter_set_scale_range(meter, scale, 0, 100, 270, 90);
     29 
     30     /*Add a three arc indicator*/
     31     lv_meter_indicator_t * indic1 = lv_meter_add_arc(meter, scale, 10, lv_palette_main(LV_PALETTE_RED), 0);
     32     lv_meter_indicator_t * indic2 = lv_meter_add_arc(meter, scale, 10, lv_palette_main(LV_PALETTE_GREEN), -10);
     33     lv_meter_indicator_t * indic3 = lv_meter_add_arc(meter, scale, 10, lv_palette_main(LV_PALETTE_BLUE), -20);
     34 
     35     /*Create an animation to set the value*/
     36     lv_anim_t a;
     37     lv_anim_init(&a);
     38     lv_anim_set_exec_cb(&a, set_value);
     39     lv_anim_set_values(&a, 0, 100);
     40     lv_anim_set_repeat_delay(&a, 100);
     41     lv_anim_set_playback_delay(&a, 100);
     42     lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
     43 
     44     lv_anim_set_time(&a, 2000);
     45     lv_anim_set_playback_time(&a, 500);
     46     lv_anim_set_var(&a, indic1);
     47     lv_anim_start(&a);
     48 
     49     lv_anim_set_time(&a, 1000);
     50     lv_anim_set_playback_time(&a, 1000);
     51     lv_anim_set_var(&a, indic2);
     52     lv_anim_start(&a);
     53 
     54     lv_anim_set_time(&a, 1000);
     55     lv_anim_set_playback_time(&a, 2000);
     56     lv_anim_set_var(&a, indic3);
     57     lv_anim_start(&a);
     58 }
     59 
     60 #endif