109 lines
2.4 KiB
C
109 lines
2.4 KiB
C
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#include <os/os.h>
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#include <os/str.h>
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#include "lvgl.h"
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#include "lv_vendor.h"
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u8 g_hour = 10;
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u8 g_min = 10;
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u8 g_sec = 54;
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static lv_obj_t *meter;
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static void set_value(void *indic, int32_t v)
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{
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lv_meter_set_indicator_end_value(meter, indic, v);
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}
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static void timer_cb(struct _lv_timer_t *arg)
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{
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char buff[32];
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lv_obj_t *time_label = (lv_obj_t *)arg->user_data;
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if (g_sec < 60)
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{
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g_sec += 1;
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}
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else
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{
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g_min += 1;
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g_sec = 0;
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}
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if (g_min >= 60)
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{
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g_hour += 1;
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g_min = 0;
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}
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if (g_hour >= 24)
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{
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g_hour = 0;
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}
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os_snprintf(buff, sizeof(buff), "%02d:%02d:%02d", g_hour, g_min, g_sec);
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lv_label_set_text(time_label, buff);
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}
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/**
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* A meter with multiple arcs
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*/
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void lv_example_meter(void)
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{
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lv_vendor_disp_lock();
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lv_disp_set_bg_color(lv_disp_get_default(), lv_color_white());
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meter = lv_meter_create(lv_scr_act());
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lv_obj_center(meter);
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lv_obj_set_size(meter, 200, 200);
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/*Remove the circle from the middle*/
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lv_obj_remove_style(meter, NULL, LV_PART_INDICATOR);
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/*Add a scale first*/
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lv_meter_scale_t *scale = lv_meter_add_scale(meter);
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lv_meter_set_scale_ticks(meter, scale, 11, 2, 10, lv_palette_main(LV_PALETTE_GREY));
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lv_meter_set_scale_major_ticks(meter, scale, 1, 2, 30, lv_color_hex3(0xeee), 15);
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lv_meter_set_scale_range(meter, scale, 0, 100, 270, 90);
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/*Add a three arc indicator*/
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lv_meter_indicator_t *indic1 = lv_meter_add_arc(meter, scale, 10, lv_palette_main(LV_PALETTE_RED), 0);
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lv_meter_indicator_t *indic2 = lv_meter_add_arc(meter, scale, 10, lv_palette_main(LV_PALETTE_GREEN), -10);
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lv_meter_indicator_t *indic3 = lv_meter_add_arc(meter, scale, 10, lv_palette_main(LV_PALETTE_BLUE), -20);
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/*Create an animation to set the value*/
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lv_anim_t a;
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lv_anim_init(&a);
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lv_anim_set_exec_cb(&a, set_value);
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lv_anim_set_values(&a, 0, 100);
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lv_anim_set_repeat_delay(&a, 100);
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lv_anim_set_playback_delay(&a, 100);
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lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
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lv_anim_set_time(&a, 2000);
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lv_anim_set_playback_time(&a, 500);
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lv_anim_set_var(&a, indic1);
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lv_anim_start(&a);
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lv_anim_set_time(&a, 1000);
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lv_anim_set_playback_time(&a, 1000);
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lv_anim_set_var(&a, indic2);
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lv_anim_start(&a);
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lv_anim_set_time(&a, 1000);
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lv_anim_set_playback_time(&a, 2000);
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lv_anim_set_var(&a, indic3);
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lv_anim_start(&a);
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lv_vendor_disp_unlock();
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}
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void lv_example_meter_exit(void)
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{
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lv_vendor_disp_lock();
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lv_anim_del_all();
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lv_obj_del(meter);
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lv_vendor_disp_unlock();
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}
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