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A39模拟器

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liulin
2024-03-07 11:03:18 +08:00
parent cb2cc0d66f
commit 33e6eb45b3
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34
MXC-A39/lvgl/examples/widgets/meter/index.rst Normal file
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C
^
Simple meter
"""""""""""""""""""""""
.. lv_example:: widgets/meter/lv_example_meter_1
:language: c
A meter with multiple arcs
"""""""""""""""""""""""""""
.. lv_example:: widgets/meter/lv_example_meter_2
:language: c
A clock from a meter
"""""""""""""""""""""""
.. lv_example:: widgets/meter/lv_example_meter_3
:language: c
Pie chart
"""""""""""""""""""""""
.. lv_example:: widgets/meter/lv_example_meter_4
:language: c
MicroPython
^^^^^^^^^^^
No examples yet.

64
MXC-A39/lvgl/examples/widgets/meter/lv_example_meter_1.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_METER && LV_BUILD_EXAMPLES
static lv_obj_t * meter;
static void set_value(void * indic, int32_t v)
{
lv_meter_set_indicator_value(meter, indic, v);
}
/**
* A simple meter
*/
void lv_example_meter_1(void)
{
meter = lv_meter_create(lv_scr_act());
lv_obj_center(meter);
lv_obj_set_size(meter, 200, 200);
/*Add a scale first*/
lv_meter_scale_t * scale = lv_meter_add_scale(meter);
lv_meter_set_scale_ticks(meter, scale, 41, 2, 10, lv_palette_main(LV_PALETTE_GREY));
lv_meter_set_scale_major_ticks(meter, scale, 8, 4, 15, lv_color_black(), 10);
lv_meter_indicator_t * indic;
/*Add a blue arc to the start*/
indic = lv_meter_add_arc(meter, scale, 3, lv_palette_main(LV_PALETTE_BLUE), 0);
lv_meter_set_indicator_start_value(meter, indic, 0);
lv_meter_set_indicator_end_value(meter, indic, 20);
/*Make the tick lines blue at the start of the scale*/
indic = lv_meter_add_scale_lines(meter, scale, lv_palette_main(LV_PALETTE_BLUE), lv_palette_main(LV_PALETTE_BLUE), false, 0);
lv_meter_set_indicator_start_value(meter, indic, 0);
lv_meter_set_indicator_end_value(meter, indic, 20);
/*Add a red arc to the end*/
indic = lv_meter_add_arc(meter, scale, 3, lv_palette_main(LV_PALETTE_RED), 0);
lv_meter_set_indicator_start_value(meter, indic, 80);
lv_meter_set_indicator_end_value(meter, indic, 100);
/*Make the tick lines red at the end of the scale*/
indic = lv_meter_add_scale_lines(meter, scale, lv_palette_main(LV_PALETTE_RED), lv_palette_main(LV_PALETTE_RED), false, 0);
lv_meter_set_indicator_start_value(meter, indic, 80);
lv_meter_set_indicator_end_value(meter, indic, 100);
/*Add a needle line indicator*/
indic = lv_meter_add_needle_line(meter, scale, 4, lv_palette_main(LV_PALETTE_GREY), -10);
/*Create an animation to set the value*/
lv_anim_t a;
lv_anim_init(&a);
lv_anim_set_exec_cb(&a, set_value);
lv_anim_set_var(&a, indic);
lv_anim_set_values(&a, 0, 100);
lv_anim_set_time(&a, 2000);
lv_anim_set_repeat_delay(&a, 100);
lv_anim_set_playback_time(&a, 500);
lv_anim_set_playback_delay(&a, 100);
lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
lv_anim_start(&a);
}
#endif

60
MXC-A39/lvgl/examples/widgets/meter/lv_example_meter_2.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_METER && LV_BUILD_EXAMPLES
static lv_obj_t * meter;
static void set_value(void * indic, int32_t v)
{
lv_meter_set_indicator_end_value(meter, indic, v);
}
/**
* A meter with multiple arcs
*/
void lv_example_meter_2(void)
{
meter = lv_meter_create(lv_scr_act());
lv_obj_center(meter);
lv_obj_set_size(meter, 200, 200);
/*Remove the circle from the middle*/
lv_obj_remove_style(meter, NULL, LV_PART_INDICATOR);
/*Add a scale first*/
lv_meter_scale_t * scale = lv_meter_add_scale(meter);
lv_meter_set_scale_ticks(meter, scale, 11, 2, 10, lv_palette_main(LV_PALETTE_GREY));
lv_meter_set_scale_major_ticks(meter, scale, 1, 2, 30, lv_color_hex3(0xeee), 10);
lv_meter_set_scale_range(meter, scale, 0, 100, 270, 90);
/*Add a three arc indicator*/
lv_meter_indicator_t * indic1 = lv_meter_add_arc(meter, scale, 10, lv_palette_main(LV_PALETTE_RED), 0);
lv_meter_indicator_t * indic2 = lv_meter_add_arc(meter, scale, 10, lv_palette_main(LV_PALETTE_GREEN), -10);
lv_meter_indicator_t * indic3 = lv_meter_add_arc(meter, scale, 10, lv_palette_main(LV_PALETTE_BLUE), -20);
/*Create an animation to set the value*/
lv_anim_t a;
lv_anim_init(&a);
lv_anim_set_exec_cb(&a, set_value);
lv_anim_set_values(&a, 0, 100);
lv_anim_set_repeat_delay(&a, 100);
lv_anim_set_playback_delay(&a, 100);
lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
lv_anim_set_time(&a, 2000);
lv_anim_set_playback_time(&a, 500);
lv_anim_set_var(&a, indic1);
lv_anim_start(&a);
lv_anim_set_time(&a, 1000);
lv_anim_set_playback_time(&a, 1000);
lv_anim_set_var(&a, indic2);
lv_anim_start(&a);
lv_anim_set_time(&a, 1000);
lv_anim_set_playback_time(&a, 2000);
lv_anim_set_var(&a, indic3);
lv_anim_start(&a);
}
#endif

54
MXC-A39/lvgl/examples/widgets/meter/lv_example_meter_3.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_METER && LV_BUILD_EXAMPLES
static lv_obj_t * meter;
static void set_value(void * indic, int32_t v)
{
lv_meter_set_indicator_end_value(meter, indic, v);
}
/**
* A clock from a meter
*/
void lv_example_meter_3(void)
{
meter = lv_meter_create(lv_scr_act());
lv_obj_set_size(meter, 220, 220);
lv_obj_center(meter);
/*Create a scale for the minutes*/
/*61 ticks in a 360 degrees range (the last and the first line overlaps)*/
lv_meter_scale_t * scale_min = lv_meter_add_scale(meter);
lv_meter_set_scale_ticks(meter, scale_min, 61, 1, 10, lv_palette_main(LV_PALETTE_GREY));
lv_meter_set_scale_range(meter, scale_min, 0, 60, 360, 270);
/*Create an other scale for the hours. It's only visual and contains only major ticks*/
lv_meter_scale_t * scale_hour = lv_meter_add_scale(meter);
lv_meter_set_scale_ticks(meter, scale_hour, 12, 0, 0, lv_palette_main(LV_PALETTE_GREY)); /*12 ticks*/
lv_meter_set_scale_major_ticks(meter, scale_hour, 1, 2, 20, lv_color_black(), 10); /*Every tick is major*/
lv_meter_set_scale_range(meter, scale_hour, 1, 12, 330, 300); /*[1..12] values in an almost full circle*/
LV_IMG_DECLARE(img_hand)
/*Add a the hands from images*/
lv_meter_indicator_t * indic_min = lv_meter_add_needle_img(meter, scale_min, &img_hand, 5, 5);
lv_meter_indicator_t * indic_hour = lv_meter_add_needle_img(meter, scale_min, &img_hand, 5, 5);
/*Create an animation to set the value*/
lv_anim_t a;
lv_anim_init(&a);
lv_anim_set_exec_cb(&a, set_value);
lv_anim_set_values(&a, 0, 60);
lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
lv_anim_set_time(&a, 2000); /*2 sec for 1 turn of the minute hand (1 hour)*/
lv_anim_set_var(&a, indic_min);
lv_anim_start(&a);
lv_anim_set_var(&a, indic_hour);
lv_anim_set_time(&a, 24000); /*24 sec for 1 turn of the hour hand*/
lv_anim_set_values(&a, 0, 60);
lv_anim_start(&a);
}
#endif

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MXC-A39/lvgl/examples/widgets/meter/lv_example_meter_4.c Normal file
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#include "../../lv_examples.h"
#if LV_USE_METER && LV_BUILD_EXAMPLES
/**
* Create a pie chart
*/
void lv_example_meter_4(void)
{
lv_obj_t * meter = lv_meter_create(lv_scr_act());
/*Remove the background and the circle from the middle*/
lv_obj_remove_style(meter, NULL, LV_PART_MAIN);
lv_obj_remove_style(meter, NULL, LV_PART_INDICATOR);
lv_obj_set_size(meter, 200, 200);
lv_obj_center(meter);
/*Add a scale first with no ticks.*/
lv_meter_scale_t * scale = lv_meter_add_scale(meter);
lv_meter_set_scale_ticks(meter, scale, 0, 0, 0, lv_color_black());
lv_meter_set_scale_range(meter, scale, 0, 100, 360, 0);
/*Add a three arc indicator*/
lv_coord_t indic_w = 100;
lv_meter_indicator_t * indic1 = lv_meter_add_arc(meter, scale, indic_w,lv_palette_main(LV_PALETTE_ORANGE), 0);
lv_meter_set_indicator_start_value(meter, indic1, 0);
lv_meter_set_indicator_end_value(meter, indic1, 40);
lv_meter_indicator_t * indic2 = lv_meter_add_arc(meter, scale, indic_w, lv_palette_main(LV_PALETTE_YELLOW), 0);
lv_meter_set_indicator_start_value(meter, indic2, 40); /*Start from the previous*/
lv_meter_set_indicator_end_value(meter, indic2, 80);
lv_meter_indicator_t * indic3 = lv_meter_add_arc(meter, scale, indic_w, lv_palette_main(LV_PALETTE_DEEP_ORANGE), 0);
lv_meter_set_indicator_start_value(meter, indic3, 80); /*Start from the previous*/
lv_meter_set_indicator_end_value(meter, indic3, 100);
}
#endif