1 /**
2 * @file lv_demo_benchmark.c
3 *
4 */
5
6 /*********************
7 * INCLUDES
8 *********************/
9 #include "lv_demo_benchmark.h"
10
11 #if LV_USE_DEMO_BENCHMARK
12
13 #if LV_FONT_MONTSERRAT_14 == 0
14 #error "LV_FONT_MONTSERRAT_14 is required for lv_demo_benchmark. Enable it in lv_conf.h."
15 #endif
16
17 #if LV_FONT_MONTSERRAT_20 == 0
18 #error "LV_FONT_MONTSERRAT_20 is required for lv_demo_benchmark. Enable it in lv_conf.h."
19 #endif
20
21 #if LV_FONT_MONTSERRAT_24 == 0
22 #error "LV_FONT_MONTSERRAT_24 is required for lv_demo_benchmark. Enable it in lv_conf.h."
23 #endif
24
25 #if LV_FONT_MONTSERRAT_26 == 0
26 #error "LV_FONT_MONTSERRAT_26 is required for lv_demo_benchmark. Enable it in lv_conf.h."
27 #endif
28
29 #if LV_USE_DEMO_WIDGETS == 0
30 #error "LV_USE_DEMO_WIDGETS needs to be enabled"
31 #endif
32
33 #if LV_USE_STDLIB_MALLOC == LV_STDLIB_BUILTIN && LV_MEM_SIZE < 128 * 1024
34 #warning "It's recommended to have at least 128kB RAM for the benchmark"
35 #endif
36
37 #include "../../lvgl_private.h"
38
39 /**********************
40 * DEFINES
41 **********************/
42 #define HEADER_HEIGHT 48
43 #define FALL_HEIGHT 80
44 #define PAD_BASIC 8
45
46 /**********************
47 * TYPEDEFS
48 **********************/
49
50 typedef struct {
51 const char * name;
52 void (*create_cb)(void);
53 uint32_t scene_time;
54 uint32_t cpu_avg_usage;
55 uint32_t fps_avg;
56 uint32_t render_avg_time;
57 uint32_t flush_avg_time;
58 uint32_t measurement_cnt;
59 } scene_dsc_t;
60
61 /**********************
62 * STATIC PROTOTYPES
63 **********************/
64
65 static void load_scene(uint32_t scene);
66 static void next_scene_timer_cb(lv_timer_t * timer);
67
68 #if LV_USE_PERF_MONITOR
69 static void sysmon_perf_observer_cb(lv_observer_t * observer, lv_subject_t * subject);
70 #endif
71
72 static void summary_create(void);
73
74 static void rnd_reset(void);
75 static int32_t rnd_next(int32_t min, int32_t max);
76 static lv_color_t rnd_color(void);
77 static void shake_anim_y_cb(void * var, int32_t v);
78 static void fall_anim(lv_obj_t * obj, int32_t y_max);
79 static void scroll_anim(lv_obj_t * obj, int32_t y_max);
80 static void scroll_anim_y_cb(void * var, int32_t v);
81 static void color_anim_cb(void * var, int32_t v);
82 static void color_anim(lv_obj_t * obj);
83 static void arc_anim(lv_obj_t * obj);
84
85 static lv_obj_t * card_create(void);
86
empty_screen_cb(void)87 static void empty_screen_cb(void)
88 {
89 color_anim(lv_screen_active());
90 }
91
moving_wallpaper_cb(void)92 static void moving_wallpaper_cb(void)
93 {
94 lv_obj_set_style_pad_all(lv_screen_active(), 0, 0);
95 LV_IMAGE_DECLARE(img_benchmark_lvgl_logo_rgb);
96
97 lv_obj_t * img = lv_image_create(lv_screen_active());
98 lv_obj_set_size(img, lv_pct(150), lv_pct(150));
99 lv_image_set_src(img, &img_benchmark_lvgl_logo_rgb);
100 lv_image_set_inner_align(img, LV_IMAGE_ALIGN_TILE);
101 fall_anim(img, - lv_display_get_vertical_resolution(NULL) / 3);
102 }
103
single_rectangle_cb(void)104 static void single_rectangle_cb(void)
105 {
106 lv_obj_t * obj = lv_obj_create(lv_screen_active());
107 lv_obj_remove_style_all(obj);
108 lv_obj_set_style_bg_opa(obj, LV_OPA_COVER, 0);
109 lv_obj_center(obj);
110 lv_obj_set_size(obj, lv_pct(30), lv_pct(30));
111
112 color_anim(obj);
113
114 }
115
multiple_rectangles_cb(void)116 static void multiple_rectangles_cb(void)
117 {
118 lv_obj_set_flex_flow(lv_screen_active(), LV_FLEX_FLOW_ROW_WRAP);
119 lv_obj_set_flex_align(lv_screen_active(), LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_SPACE_EVENLY);
120
121 uint32_t i;
122 for(i = 0; i < 9; i++) {
123 lv_obj_t * obj = lv_obj_create(lv_screen_active());
124 lv_obj_remove_style_all(obj);
125 lv_obj_set_style_bg_opa(obj, LV_OPA_COVER, 0);
126 lv_obj_set_size(obj, lv_pct(25), lv_pct(25));
127
128 color_anim(obj);
129 }
130 }
131
multiple_rgb_images_cb(void)132 static void multiple_rgb_images_cb(void)
133 {
134 lv_obj_t * scr = lv_screen_active();
135 lv_obj_set_flex_flow(scr, LV_FLEX_FLOW_ROW_WRAP);
136 lv_obj_set_flex_align(scr, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_SPACE_EVENLY);
137 lv_obj_set_style_pad_bottom(scr, FALL_HEIGHT + PAD_BASIC, 0);
138
139 LV_IMAGE_DECLARE(img_benchmark_lvgl_logo_rgb);
140 int32_t hor_cnt = ((int32_t)lv_obj_get_content_width(scr)) / 160;
141 int32_t ver_cnt = ((int32_t)lv_obj_get_content_height(scr)) / 160;
142
143 if(hor_cnt < 1) hor_cnt = 1;
144 if(ver_cnt < 1) ver_cnt = 1;
145
146 int32_t y;
147 for(y = 0; y < ver_cnt; y++) {
148 int32_t x;
149 for(x = 0; x < hor_cnt; x++) {
150 lv_obj_t * obj = lv_image_create(lv_screen_active());
151 lv_image_set_src(obj, &img_benchmark_lvgl_logo_rgb);
152 if(x == 0) lv_obj_add_flag(obj, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
153
154 fall_anim(obj, 80);
155 }
156 }
157 }
158
multiple_argb_images_cb(void)159 static void multiple_argb_images_cb(void)
160 {
161 lv_obj_t * scr = lv_screen_active();
162 lv_obj_set_flex_flow(scr, LV_FLEX_FLOW_ROW_WRAP);
163 lv_obj_set_flex_align(scr, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_SPACE_EVENLY);
164 lv_obj_set_style_pad_bottom(scr, FALL_HEIGHT + PAD_BASIC, 0);
165
166 LV_IMAGE_DECLARE(img_benchmark_lvgl_logo_argb);
167 int32_t hor_cnt = ((int32_t)lv_obj_get_content_width(scr)) / 160;
168 int32_t ver_cnt = ((int32_t)lv_obj_get_content_height(scr)) / 160;
169
170 if(hor_cnt < 1) hor_cnt = 1;
171 if(ver_cnt < 1) ver_cnt = 1;
172
173 int32_t y;
174 for(y = 0; y < ver_cnt; y++) {
175 int32_t x;
176 for(x = 0; x < hor_cnt; x++) {
177 lv_obj_t * obj = lv_image_create(lv_screen_active());
178 lv_image_set_src(obj, &img_benchmark_lvgl_logo_argb);
179 if(x == 0) lv_obj_add_flag(obj, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
180
181 fall_anim(obj, 80);
182 }
183 }
184 }
185
rotated_argb_image_cb(void)186 static void rotated_argb_image_cb(void)
187 {
188 lv_obj_t * scr = lv_screen_active();
189 lv_obj_set_flex_flow(scr, LV_FLEX_FLOW_ROW_WRAP);
190 lv_obj_set_flex_align(scr, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_SPACE_EVENLY);
191 lv_obj_set_style_pad_bottom(scr, FALL_HEIGHT + PAD_BASIC, 0);
192
193 LV_IMAGE_DECLARE(img_benchmark_lvgl_logo_argb);
194 int32_t hor_cnt = ((int32_t)lv_obj_get_content_width(scr)) / 240; /*240 instead of 160 to have less rotated images*/
195 int32_t ver_cnt = ((int32_t)lv_obj_get_content_height(scr)) / 240;
196
197 if(hor_cnt < 1) hor_cnt = 1;
198 if(ver_cnt < 1) ver_cnt = 1;
199
200 int32_t y;
201 for(y = 0; y < ver_cnt; y++) {
202 int32_t x;
203 for(x = 0; x < hor_cnt; x++) {
204 lv_obj_t * obj = lv_image_create(lv_screen_active());
205 lv_image_set_src(obj, &img_benchmark_lvgl_logo_argb);
206 if(x == 0) lv_obj_add_flag(obj, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
207
208 lv_image_set_rotation(obj, lv_rand(100, 3500));
209 fall_anim(obj, 80);
210 }
211 }
212 }
213
multiple_labels_cb(void)214 static void multiple_labels_cb(void)
215 {
216 lv_obj_t * scr = lv_screen_active();
217 lv_obj_set_flex_flow(scr, LV_FLEX_FLOW_ROW_WRAP);
218 lv_obj_set_flex_align(scr, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_SPACE_EVENLY);
219
220 int32_t hor_res = lv_display_get_horizontal_resolution(NULL);
221 int32_t ver_res = lv_display_get_vertical_resolution(NULL);
222 if(hor_res * ver_res > 800 * 480) lv_obj_set_style_text_font(scr, &lv_font_montserrat_26, 0);
223 else if(hor_res * ver_res > 320 * 240) lv_obj_set_style_text_font(scr, &lv_font_montserrat_20, 0);
224 else lv_obj_set_style_text_font(scr, &lv_font_montserrat_14, 0);
225
226 lv_point_t s;
227 lv_text_get_size(&s, "Hello LVGL!", lv_obj_get_style_text_font(scr, 0), 0, 0, LV_COORD_MAX,
228 LV_TEXT_FLAG_NONE);
229
230 int32_t hor_cnt = ((int32_t)lv_obj_get_content_width(scr)) / (s.x * 3 / 2);
231 int32_t ver_cnt = ((int32_t)lv_obj_get_content_height(scr)) / (s.y * 3);
232
233 if(hor_cnt < 1) hor_cnt = 1;
234 if(ver_cnt < 1) ver_cnt = 1;
235
236 int32_t y;
237 for(y = 0; y < ver_cnt; y++) {
238 int32_t x;
239 for(x = 0; x < hor_cnt; x++) {
240 lv_obj_t * obj = lv_label_create(lv_screen_active());
241 if(x == 0) lv_obj_add_flag(obj, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
242 lv_label_set_text_static(obj, "Hello LVGL!");
243 color_anim(obj);
244 }
245 }
246 }
247
screen_sized_text_cb(void)248 static void screen_sized_text_cb(void)
249 {
250 const char * txt =
251 "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque fringilla, lorem dapibus fringilla feugiat, justo arcu volutpat magna, vitae ultricies metus tortor nec est. Fusce ut tellus arcu. Fusce eu rutrum metus, nec porta felis. Sed sed ligula laoreet, sodales lacus blandit, elementum justo. Sed posuere quam ut pellentesque ullamcorper. In quis consequat magna. Etiam quis turpis nec lorem dictum finibus. Donec mattis enim dolor, consequat lacinia nisi scelerisque id. Nulla euismod, purus sit amet accumsan tempus, lorem lectus euismod dolor, sit amet facilisis nisl quam elementum nisi. Curabitur et massa eget lorem lacinia scelerisque eget vitae felis. Nulla facilisi.\n\n"
252 "Vivamus auctor sit amet ante id rhoncus. Duis a dolor neque. Mauris eu ornare tortor. Vivamus consequat, ipsum a volutpat congue, sem libero laoreet nulla, malesuada efficitur leo orci a est. Donec tincidunt nulla nibh, quis pretium mi fermentum quis. Fusce a mattis libero. Curabitur in felis suscipit, ultrices diam imperdiet, vestibulum arcu. Praesent id faucibus turpis. Pellentesque sed massa tincidunt, interdum purus tempus, pellentesque risus. Fusce feugiat magna eget nisl eleifend efficitur. Mauris ut convallis justo. Integer malesuada rutrum orci non tincidunt.\n\n"
253 "Nullam aliquet leo sit amet volutpat tincidunt. Mauris ac accumsan nibh. Morbi accumsan commodo leo, at hendrerit massa hendrerit et. Aliquam nec sodales ex. Morbi at aliquet sem. Sed at magna ut felis mollis dictum ut ac orci. Nunc id lorem lacus. Vivamus id accumsan dolor, sed suscipit nulla. Pellentesque dictum erat non bibendum tempor. Fusce arcu risus, eleifend in lacus a, iaculis fermentum sapien. Praesent sodales libero vitae massa suscipit tincidunt. Aliquam quis arcu urna. Nunc sit amet mi leo.\n\n"
254 "Aliquam erat volutpat. Sed viverra pharetra ipsum, sed various arcu various nec. Curabitur rutrum odio et pretium fermentum. Maecenas vitae ligula nisi. Maecenas nec dapibus erat. Suspendisse vel accumsan erat. Proin congue diam at turpis accumsan eleifend.\n\n"
255 "Etiam suscipit metus magna, in vulputate magna cursus eget. Donec vel rhoncus turpis. Phasellus vitae enim quis sapien pharetra aliquam quis a quam. In mauris nulla, euismod quis orci et, interdum finibus lorem. Aenean quis dolor eget est ultricies consectetur eu nec metus. Nullam at pulvinar elit. Aenean blandit faucibus sodales. Vivamus vel porta enim, et pharetra libero. Donec aliquet pretium erat viverra fermentum. Fusce sit amet porta mi. Nullam non elit ex. In luctus, nunc id iaculis ullamcorper, eros quam eleifend elit, quis dictum sem justo eu eros. Nulla vitae faucibus lectus. Nunc blandit, mi eget suscipit scelerisque, lorem nunc tincidunt tellus, eget gravida libero metus sed nunc.\n\n"
256 "Morbi erat libero, commodo sit amet turpis eget, efficitur pulvinar dolor. Pellentesque vehicula, velit eget auctor scelerisque, sem risus aliquam lectus, sit amet dapibus massa ex non magna. Donec magna leo, laoreet quis erat vitae, consequat aliquet tellus. Etiam vitae lectus erat. Mauris interdum feugiat aliquet. Nunc justo augue, mattis id finibus eu, sagittis id enim. Vivamus malesuada mauris sed nibh luctus, porta bibendum quam ornare. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia curae; Vivamus malesuada magna nec diam tempus, laoreet imperdiet magna faucibus. Aliquam erat volutpat.\n\n"
257 "Aenean mattis lobortis quam in venenatis. Sed euismod convallis lectus vel euismod. Vestibulum consequat luctus neque. Quisque consequat bibendum neque eget mollis. Vivamus viverra vehicula eros vel dapibus. Nullam id lectus aliquam, sagittis mi efficitur, interdum mauris. Nunc at felis lobortis, lobortis erat a, euismod augue. In id purus malesuada, tempus magna at, porta mi. Sed tristique nunc eget placerat luctus. Pellentesque posuere non purus vitae malesuada. Curabitur hendrerit dolor metus, nec posuere orci placerat ac.\n\n";
258
259 lv_obj_t * scr = lv_screen_active();
260 int32_t hor_res = lv_display_get_horizontal_resolution(NULL);
261 int32_t ver_res = lv_display_get_vertical_resolution(NULL);
262 if(hor_res * ver_res > 800 * 480) lv_obj_set_style_text_font(scr, &lv_font_montserrat_26, 0);
263 else if(hor_res * ver_res > 320 * 240) lv_obj_set_style_text_font(scr, &lv_font_montserrat_20, 0);
264 else lv_obj_set_style_text_font(scr, &lv_font_montserrat_14, 0);
265
266 lv_obj_t * obj = lv_label_create(scr);
267 lv_obj_set_width(obj, lv_pct(100));
268 lv_label_set_text_static(obj, txt);
269
270 lv_obj_update_layout(obj);
271
272 scroll_anim(scr, lv_obj_get_scroll_bottom(scr));
273 }
274
multiple_arcs_cb(void)275 static void multiple_arcs_cb(void)
276 {
277 lv_obj_t * scr = lv_screen_active();
278 lv_obj_set_flex_flow(scr, LV_FLEX_FLOW_ROW_WRAP);
279 lv_obj_set_flex_align(scr, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_SPACE_EVENLY);
280
281 LV_IMAGE_DECLARE(img_benchmark_lvgl_logo_argb);
282
283 int32_t hor_cnt = ((int32_t)lv_obj_get_content_width(scr)) / 160;
284 int32_t ver_cnt = ((int32_t)lv_obj_get_content_height(scr)) / 160;
285
286 if(hor_cnt < 1) hor_cnt = 1;
287 if(ver_cnt < 1) ver_cnt = 1;
288
289 int32_t y;
290 for(y = 0; y < ver_cnt; y++) {
291 int32_t x;
292 for(x = 0; x < hor_cnt; x++) {
293
294 lv_obj_t * obj = lv_arc_create(lv_screen_active());
295 if(x == 0) lv_obj_add_flag(obj, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
296 lv_obj_set_size(obj, 100, 100);
297 lv_obj_center(obj);
298
299 lv_arc_set_bg_angles(obj, 0, 360);
300
301 lv_obj_set_style_arc_opa(obj, 0, LV_PART_MAIN);
302 lv_obj_set_style_bg_opa(obj, 0, LV_PART_KNOB);
303 lv_obj_set_style_arc_width(obj, 10, LV_PART_INDICATOR);
304 lv_obj_set_style_arc_rounded(obj, false, LV_PART_INDICATOR);
305 lv_obj_set_style_arc_color(obj, rnd_color(), LV_PART_INDICATOR);
306 arc_anim(obj);
307 }
308 }
309 }
310
containers_cb(void)311 static void containers_cb(void)
312 {
313 lv_obj_t * scr = lv_screen_active();
314 lv_obj_set_flex_flow(scr, LV_FLEX_FLOW_ROW_WRAP);
315 lv_obj_set_flex_align(scr, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_SPACE_EVENLY);
316 lv_obj_set_style_pad_bottom(scr, FALL_HEIGHT + PAD_BASIC, 0);
317
318 int32_t hor_cnt = ((int32_t)lv_obj_get_content_width(scr)) / 350;
319 int32_t ver_cnt = ((int32_t)lv_obj_get_content_height(scr)) / 170;
320
321 if(hor_cnt < 1) hor_cnt = 1;
322 if(ver_cnt < 1) ver_cnt = 1;
323
324 int32_t y;
325 for(y = 0; y < ver_cnt; y++) {
326 int32_t x;
327 for(x = 0; x < hor_cnt; x++) {
328 lv_obj_t * card = card_create();
329 if(x == 0) lv_obj_add_flag(card, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
330 fall_anim(card, 30);
331 }
332 }
333 }
334
containers_with_overlay_cb(void)335 static void containers_with_overlay_cb(void)
336 {
337 lv_obj_t * scr = lv_screen_active();
338 lv_obj_set_flex_flow(scr, LV_FLEX_FLOW_ROW_WRAP);
339 lv_obj_set_flex_align(scr, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_SPACE_EVENLY);
340 lv_obj_set_style_pad_bottom(scr, FALL_HEIGHT + PAD_BASIC, 0);
341
342 int32_t hor_cnt = ((int32_t)lv_obj_get_content_width(scr)) / 350;
343 int32_t ver_cnt = ((int32_t)lv_obj_get_content_height(scr)) / 170;
344
345 if(hor_cnt < 1) hor_cnt = 1;
346 if(ver_cnt < 1) ver_cnt = 1;
347
348 int32_t y;
349 for(y = 0; y < ver_cnt; y++) {
350 int32_t x;
351 for(x = 0; x < hor_cnt; x++) {
352 lv_obj_t * card = card_create();
353 if(x == 0) lv_obj_add_flag(card, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
354 fall_anim(card, 30);
355 }
356 }
357
358 lv_obj_set_style_bg_opa(lv_layer_top(), LV_OPA_50, 0);
359 color_anim(lv_layer_top());
360 }
361
containers_with_opa_cb(void)362 static void containers_with_opa_cb(void)
363 {
364 lv_obj_t * scr = lv_screen_active();
365 lv_obj_set_flex_flow(scr, LV_FLEX_FLOW_ROW_WRAP);
366 lv_obj_set_flex_align(scr, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_SPACE_EVENLY);
367 lv_obj_set_style_pad_bottom(scr, FALL_HEIGHT + PAD_BASIC, 0);
368
369 int32_t hor_cnt = ((int32_t)lv_obj_get_content_width(scr)) / 350;
370 int32_t ver_cnt = ((int32_t)lv_obj_get_content_height(scr)) / 170;
371
372 if(hor_cnt < 1) hor_cnt = 1;
373 if(ver_cnt < 1) ver_cnt = 1;
374
375 int32_t y;
376 for(y = 0; y < ver_cnt; y++) {
377 int32_t x;
378 for(x = 0; x < hor_cnt; x++) {
379 lv_obj_t * card = card_create();
380 if(x == 0) lv_obj_add_flag(card, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
381 lv_obj_set_style_opa(card, LV_OPA_50, 0);
382 fall_anim(card, 30);
383 }
384 }
385 }
386
containers_with_opa_layer_cb(void)387 static void containers_with_opa_layer_cb(void)
388 {
389 lv_obj_t * scr = lv_screen_active();
390 lv_obj_set_flex_flow(scr, LV_FLEX_FLOW_ROW_WRAP);
391 lv_obj_set_flex_align(scr, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_SPACE_EVENLY);
392 lv_obj_set_style_pad_bottom(scr, FALL_HEIGHT + PAD_BASIC, 0);
393
394 int32_t hor_cnt = ((int32_t)lv_obj_get_content_width(scr)) / 350;
395 int32_t ver_cnt = ((int32_t)lv_obj_get_content_height(scr)) / 170;
396
397 if(hor_cnt < 1) hor_cnt = 1;
398 if(ver_cnt < 1) ver_cnt = 1;
399
400 int32_t y;
401 for(y = 0; y < ver_cnt; y++) {
402 int32_t x;
403 for(x = 0; x < hor_cnt; x++) {
404 lv_obj_t * card = card_create();
405 lv_obj_set_style_opa_layered(card, LV_OPA_50, 0);
406 if(x == 0) lv_obj_add_flag(card, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
407 fall_anim(card, 30);
408 }
409 }
410 }
411
containers_with_scrolling_cb(void)412 static void containers_with_scrolling_cb(void)
413 {
414 lv_obj_t * scr = lv_screen_active();
415 lv_obj_set_flex_flow(scr, LV_FLEX_FLOW_ROW_WRAP);
416 lv_obj_set_flex_align(scr, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START);
417 lv_obj_set_style_pad_row(scr, 32, 0);
418
419 int32_t hor_cnt = ((int32_t)lv_obj_get_content_width(scr)) / 400;
420 int32_t ver_cnt = ((int32_t)lv_obj_get_content_height(scr)) / (120 + 32);
421
422 if(hor_cnt < 1) hor_cnt = 1;
423 if(ver_cnt < 1) ver_cnt = 1;
424
425 ver_cnt *= 2; /*To make it scroll*/
426 if(ver_cnt < 20) ver_cnt = 20; /*The test with many widgets*/
427
428 int32_t y;
429 for(y = 0; y < ver_cnt; y++) {
430 int32_t x;
431 for(x = 0; x < hor_cnt; x++) {
432 lv_obj_t * card = card_create();
433 if(x == 0) lv_obj_add_flag(card, LV_OBJ_FLAG_FLEX_IN_NEW_TRACK);
434 }
435 }
436
437 lv_obj_update_layout(scr);
438 scroll_anim(scr, lv_obj_get_scroll_bottom(scr));
439 }
440
widgets_demo_cb(void)441 static void widgets_demo_cb(void)
442 {
443 lv_obj_t * scr = lv_screen_active();
444 lv_obj_set_style_pad_hor(scr, 0, 0);
445 lv_obj_set_style_pad_bottom(scr, 0, 0);
446 lv_demo_widgets();
447 lv_demo_widgets_start_slideshow();
448
449 }
450
451 /**********************
452 * STATIC VARIABLES
453 **********************/
454
455 static scene_dsc_t scenes[] = {
456 {.name = "Empty screen", .scene_time = 3000, .create_cb = empty_screen_cb},
457 {.name = "Moving wallpaper", .scene_time = 3000, .create_cb = moving_wallpaper_cb},
458 {.name = "Single rectangle", .scene_time = 3000, .create_cb = single_rectangle_cb},
459 {.name = "Multiple rectangles", .scene_time = 3000, .create_cb = multiple_rectangles_cb},
460 {.name = "Multiple RGB images", .scene_time = 3000, .create_cb = multiple_rgb_images_cb},
461 {.name = "Multiple ARGB images", .scene_time = 3000, .create_cb = multiple_argb_images_cb},
462 {.name = "Rotated ARGB images", .scene_time = 3000, .create_cb = rotated_argb_image_cb},
463 {.name = "Multiple labels", .scene_time = 3000, .create_cb = multiple_labels_cb},
464 {.name = "Screen sized text", .scene_time = 5000, .create_cb = screen_sized_text_cb},
465 {.name = "Multiple arcs", .scene_time = 3000, .create_cb = multiple_arcs_cb},
466
467 {.name = "Containers", .scene_time = 3000, .create_cb = containers_cb},
468 {.name = "Containers with overlay", .scene_time = 3000, .create_cb = containers_with_overlay_cb},
469 {.name = "Containers with opa", .scene_time = 3000, .create_cb = containers_with_opa_cb},
470 {.name = "Containers with opa_layer", .scene_time = 3000, .create_cb = containers_with_opa_layer_cb},
471 {.name = "Containers with scrolling", .scene_time = 5000, .create_cb = containers_with_scrolling_cb},
472
473 {.name = "Widgets demo", .scene_time = 20000, .create_cb = widgets_demo_cb},
474
475 {.name = "", .create_cb = NULL}
476 };
477
478 static uint32_t scene_act;
479 static uint32_t rnd_act;
480
481 /**********************
482 * MACROS
483 **********************/
484
485 /**********************
486 * GLOBAL FUNCTIONS
487 **********************/
488
lv_demo_benchmark(void)489 void lv_demo_benchmark(void)
490 {
491 scene_act = 0;
492
493 lv_obj_t * scr = lv_screen_active();
494 lv_obj_remove_style_all(scr);
495 lv_obj_set_style_bg_opa(scr, LV_OPA_COVER, 0);
496 lv_obj_set_style_text_color(scr, lv_color_black(), 0);
497 lv_obj_set_style_bg_color(scr, lv_palette_lighten(LV_PALETTE_GREY, 4), 0);
498 lv_obj_set_style_pad_all(lv_screen_active(), 8, 0);
499 lv_obj_set_style_pad_top(lv_screen_active(), HEADER_HEIGHT, 0);
500 lv_obj_set_style_pad_gap(lv_screen_active(), 8, 0);
501
502 lv_obj_t * title = lv_label_create(lv_layer_top());
503 lv_obj_set_style_bg_opa(title, LV_OPA_COVER, 0);
504 lv_obj_set_style_bg_color(title, lv_color_white(), 0);
505 lv_obj_set_style_text_color(title, lv_color_black(), 0);
506 lv_obj_set_width(title, lv_pct(100));
507
508 load_scene(scene_act);
509
510 lv_timer_create(next_scene_timer_cb, scenes[0].scene_time, NULL);
511
512 #if LV_USE_PERF_MONITOR
513 lv_display_t * disp = lv_display_get_default();
514 lv_subject_add_observer_obj(&disp->perf_sysmon_backend.subject, sysmon_perf_observer_cb, title, NULL);
515 #else
516 lv_label_set_text(title, "LV_USE_PERF_MONITOR is not enabled");
517 #endif
518 }
519
520 /**********************
521 * STATIC FUNCTIONS
522 **********************/
523
load_scene(uint32_t scene)524 static void load_scene(uint32_t scene)
525 {
526 lv_obj_t * scr = lv_screen_active();
527 lv_obj_clean(scr);
528 lv_obj_set_style_bg_color(scr, lv_palette_lighten(LV_PALETTE_GREY, 4), 0);
529 lv_obj_set_style_text_color(scr, lv_color_black(), 0);
530 lv_obj_set_style_text_font(scr, LV_FONT_DEFAULT, 0);
531 lv_obj_set_style_pad_all(scr, PAD_BASIC, 0);
532 lv_obj_set_style_pad_gap(scr, PAD_BASIC, 0);
533 lv_obj_set_style_pad_top(scr, HEADER_HEIGHT, 0);
534 lv_obj_set_layout(scr, LV_LAYOUT_NONE);
535 lv_obj_set_flex_align(lv_screen_active(), LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_START);
536
537 lv_anim_delete(scr, scroll_anim_y_cb);
538 lv_anim_delete(scr, shake_anim_y_cb);
539 lv_anim_delete(scr, color_anim_cb);
540
541 lv_anim_delete(lv_layer_top(), color_anim_cb);
542 lv_obj_set_style_bg_opa(lv_layer_top(), LV_OPA_TRANSP, 0);
543
544 rnd_reset();
545 if(scenes[scene].create_cb) scenes[scene].create_cb();
546 }
547
next_scene_timer_cb(lv_timer_t * timer)548 static void next_scene_timer_cb(lv_timer_t * timer)
549 {
550 LV_UNUSED(timer);
551
552 scene_act++;
553
554 load_scene(scene_act);
555 if(scenes[scene_act].scene_time == 0) {
556 lv_timer_delete(timer);
557 summary_create();
558 }
559 else {
560 lv_timer_set_period(timer, scenes[scene_act].scene_time);
561 }
562 }
563
564 #if LV_USE_PERF_MONITOR
sysmon_perf_observer_cb(lv_observer_t * observer,lv_subject_t * subject)565 static void sysmon_perf_observer_cb(lv_observer_t * observer, lv_subject_t * subject)
566 {
567 const lv_sysmon_perf_info_t * info = lv_subject_get_pointer(subject);
568 lv_obj_t * label = lv_observer_get_target(observer);
569
570 char scene_name[64];
571 if(scenes[scene_act].name[0] != '\0') {
572 lv_snprintf(scene_name, sizeof(scene_name), "%s: ", scenes[scene_act].name);
573 }
574 else {
575 scene_name[0] = '\0';
576 }
577
578 lv_label_set_text_fmt(label,
579 "%s"
580 "%" LV_PRIu32" FPS, %" LV_PRIu32 "%% CPU\n"
581 "refr. %" LV_PRIu32" ms = %" LV_PRIu32 "ms render + %" LV_PRIu32" ms flush",
582 scene_name,
583 info->calculated.fps, info->calculated.cpu,
584 info->calculated.render_avg_time + info->calculated.flush_avg_time,
585 info->calculated.render_avg_time, info->calculated.flush_avg_time);
586
587 /*Ignore the first call as it contains data from the previous scene*/
588 if(scenes[scene_act].measurement_cnt != 0) {
589 scenes[scene_act].cpu_avg_usage += info->calculated.cpu;
590 scenes[scene_act].fps_avg += info->calculated.fps;
591 scenes[scene_act].render_avg_time += info->calculated.render_avg_time;
592 scenes[scene_act].flush_avg_time += info->calculated.flush_avg_time;
593 }
594 scenes[scene_act].measurement_cnt++;
595
596 }
597 #endif
598
table_draw_task_event_cb(lv_event_t * e)599 static void table_draw_task_event_cb(lv_event_t * e)
600 {
601 lv_draw_task_t * t = lv_event_get_draw_task(e);
602 lv_draw_dsc_base_t * draw_dsc_base = t->draw_dsc;
603 if(draw_dsc_base->part != LV_PART_ITEMS) return;
604
605 int32_t row = draw_dsc_base->id1;
606 if(row == 0) {
607 lv_draw_fill_dsc_t * draw_dsc_fill = lv_draw_task_get_fill_dsc(t);
608 if(draw_dsc_fill) {
609 draw_dsc_fill->color = lv_palette_darken(LV_PALETTE_BLUE_GREY, 4);
610 }
611 lv_draw_label_dsc_t * draw_dsc_label = lv_draw_task_get_label_dsc(t);
612 if(draw_dsc_label) {
613 draw_dsc_label->color = lv_color_white();
614 }
615 }
616 else if(row == 1) {
617 lv_draw_border_dsc_t * draw_dsc_border = lv_draw_task_get_border_dsc(t);
618 if(draw_dsc_border) {
619 draw_dsc_border->color = lv_palette_darken(LV_PALETTE_BLUE_GREY, 4);
620 draw_dsc_border->width = 2;
621 draw_dsc_border->side = LV_BORDER_SIDE_BOTTOM;
622 }
623 lv_draw_label_dsc_t * draw_dsc_label = lv_draw_task_get_label_dsc(t);
624 if(draw_dsc_label) {
625 draw_dsc_label->color = lv_palette_darken(LV_PALETTE_BLUE_GREY, 4);
626 }
627 }
628
629 }
630
summary_create(void)631 static void summary_create(void)
632 {
633 lv_obj_clean(lv_screen_active());
634 lv_obj_set_style_pad_hor(lv_screen_active(), 0, 0);
635 lv_obj_t * table = lv_table_create(lv_screen_active());
636 lv_obj_set_width(table, lv_pct(100));
637 lv_obj_set_style_max_height(table, lv_pct(100), 0);
638 lv_obj_add_flag(table, LV_OBJ_FLAG_SEND_DRAW_TASK_EVENTS);
639 lv_obj_set_style_text_color(table, lv_palette_darken(LV_PALETTE_BLUE_GREY, 2), LV_PART_ITEMS);
640 lv_obj_set_style_border_color(table, lv_palette_darken(LV_PALETTE_BLUE_GREY, 2), LV_PART_ITEMS);
641 lv_obj_add_event_cb(table, table_draw_task_event_cb, LV_EVENT_DRAW_TASK_ADDED, NULL);
642
643 lv_table_set_cell_value(table, 0, 0, "Name");
644 lv_table_set_cell_value(table, 0, 1, "Avg. CPU");
645 lv_table_set_cell_value(table, 0, 2, "Avg. FPS");
646 lv_table_set_cell_value(table, 0, 3, "Avg. time (render + flush)");
647
648 /* csv log */
649 LV_LOG("Benchmark Summary (%d.%d.%d %s)\r\n",
650 LVGL_VERSION_MAJOR,
651 LVGL_VERSION_MINOR,
652 LVGL_VERSION_PATCH,
653 LVGL_VERSION_INFO);
654 LV_LOG("Name, Avg. CPU, Avg. FPS, Avg. time, render time, flush time\r\n");
655
656 lv_obj_update_layout(table);
657 int32_t col_w = lv_obj_get_content_width(table) / 4;
658
659 lv_table_set_column_width(table, 0, col_w);
660 lv_table_set_column_width(table, 1, col_w);
661 lv_table_set_column_width(table, 2, col_w);
662 lv_table_set_column_width(table, 3, col_w);
663
664 uint32_t i;
665 int32_t total_avg_fps = 0;
666 int32_t total_avg_cpu = 0;
667 int32_t total_avg_render_time = 0;
668 int32_t total_avg_flush_time = 0;
669 int32_t valid_scene_cnt = 0;
670 for(i = 0; scenes[i].create_cb; i++) {
671 lv_table_set_cell_value(table, i + 2, 0, scenes[i].name);
672
673 /*the first measurement was ignored as it contains data from the previous scene*/
674 if(scenes[i].measurement_cnt <= 1) {
675 lv_table_set_cell_value(table, i + 2, 1, "N/A");
676 lv_table_set_cell_value(table, i + 2, 2, "N/A");
677 lv_table_set_cell_value(table, i + 2, 3, "N/A");
678 }
679 else {
680 int32_t cnt = scenes[i].measurement_cnt - 1;
681 lv_table_set_cell_value_fmt(table, i + 2, 1, "%"LV_PRIu32" %%", scenes[i].cpu_avg_usage / cnt);
682 lv_table_set_cell_value_fmt(table, i + 2, 2, "%"LV_PRIu32" FPS", scenes[i].fps_avg / cnt);
683
684 uint32_t render_time = scenes[i].render_avg_time / cnt;
685 uint32_t flush_time = scenes[i].flush_avg_time / cnt;
686 lv_table_set_cell_value_fmt(table, i + 2, 3, "%"LV_PRIu32" ms (%"LV_PRIu32" + %"LV_PRIu32")",
687 render_time + flush_time, render_time, flush_time);
688
689 /* csv log */
690 LV_LOG("%s, %"LV_PRIu32"%%, %"LV_PRIu32", %"LV_PRIu32", %"LV_PRIu32", %"LV_PRIu32"\r\n",
691 scenes[i].name,
692 scenes[i].cpu_avg_usage / cnt,
693 scenes[i].fps_avg / cnt,
694 render_time + flush_time,
695 render_time,
696 flush_time);
697
698 valid_scene_cnt++;
699 total_avg_cpu += scenes[i].cpu_avg_usage / cnt;
700 total_avg_fps += scenes[i].fps_avg / cnt;
701 total_avg_render_time += scenes[i].render_avg_time / cnt;
702 total_avg_flush_time += scenes[i].flush_avg_time / cnt;
703 }
704 }
705
706 /*Add the average*/
707 lv_table_set_cell_value(table, 1, 0, "All scenes avg.");
708 if(valid_scene_cnt < 1) {
709 lv_table_set_cell_value(table, 1, 1, "N/A");
710 lv_table_set_cell_value(table, 1, 2, "N/A");
711 lv_table_set_cell_value(table, 1, 3, "N/A");
712 }
713 else {
714 lv_table_set_cell_value_fmt(table, 1, 1, "%"LV_PRIu32" %%", total_avg_cpu / valid_scene_cnt);
715 lv_table_set_cell_value_fmt(table, 1, 2, "%"LV_PRIu32" FPS", total_avg_fps / valid_scene_cnt);
716
717 uint32_t render_time = total_avg_render_time / valid_scene_cnt;
718 uint32_t flush_time = total_avg_flush_time / valid_scene_cnt;
719 lv_table_set_cell_value_fmt(table, 1, 3, "%"LV_PRIu32" ms (%"LV_PRIu32" + %"LV_PRIu32")",
720 render_time + flush_time, render_time, flush_time);
721 /* csv log */
722 LV_LOG("All scenes avg.,%"LV_PRIu32"%%, %"LV_PRIu32", %"LV_PRIu32", %"LV_PRIu32", %"LV_PRIu32"\r\n",
723 total_avg_cpu / valid_scene_cnt,
724 total_avg_fps / valid_scene_cnt,
725 render_time + flush_time,
726 render_time,
727 flush_time);
728 }
729 }
730
731 /*----------------
732 * SCENE HELPERS
733 *----------------*/
734
color_anim_cb(void * var,int32_t v)735 static void color_anim_cb(void * var, int32_t v)
736 {
737 LV_UNUSED(v);
738 lv_color_t c = rnd_color();
739 lv_obj_set_style_bg_color(var, c, 0);
740 lv_obj_set_style_text_color(var, rnd_color(), 0);
741 }
742
color_anim(lv_obj_t * obj)743 static void color_anim(lv_obj_t * obj)
744 {
745 lv_anim_t a;
746 lv_anim_init(&a);
747 lv_anim_set_exec_cb(&a, color_anim_cb);
748 lv_anim_set_values(&a, 0, 100);
749 lv_anim_set_duration(&a, 100); /*New value in each ms*/
750 lv_anim_set_var(&a, obj);
751 lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
752 lv_anim_start(&a);
753 }
754
arc_anim_cb(void * var,int32_t v)755 static void arc_anim_cb(void * var, int32_t v)
756 {
757 lv_arc_set_value(var, v);
758 }
759
arc_anim(lv_obj_t * obj)760 static void arc_anim(lv_obj_t * obj)
761 {
762 uint32_t t1 = rnd_next(1000, 3000);
763 uint32_t t2 = rnd_next(1000, 3000);
764 lv_anim_t a;
765 lv_anim_init(&a);
766 lv_anim_set_exec_cb(&a, arc_anim_cb);
767 lv_anim_set_values(&a, 0, 100);
768 lv_anim_set_duration(&a, t1);
769 lv_anim_set_reverse_duration(&a, t2);
770 lv_anim_set_var(&a, obj);
771 lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
772 lv_anim_start(&a);
773 }
774
scroll_anim_y_cb(void * var,int32_t v)775 static void scroll_anim_y_cb(void * var, int32_t v)
776 {
777 lv_obj_scroll_to_y(var, v, LV_ANIM_OFF);
778 }
779
scroll_anim(lv_obj_t * obj,int32_t y_max)780 static void scroll_anim(lv_obj_t * obj, int32_t y_max)
781 {
782 uint32_t t = lv_anim_speed(lv_display_get_dpi(NULL));
783
784 lv_anim_t a;
785 lv_anim_init(&a);
786 lv_anim_set_var(&a, obj);
787 lv_anim_set_exec_cb(&a, scroll_anim_y_cb);
788 lv_anim_set_values(&a, 0, y_max);
789 lv_anim_set_duration(&a, t);
790 lv_anim_set_reverse_duration(&a, t);
791 lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
792 lv_anim_start(&a);
793
794 }
shake_anim_y_cb(void * var,int32_t v)795 static void shake_anim_y_cb(void * var, int32_t v)
796 {
797 lv_obj_set_style_translate_y(var, v, 0);
798 }
799
fall_anim(lv_obj_t * obj,int32_t y_max)800 static void fall_anim(lv_obj_t * obj, int32_t y_max)
801 {
802 uint32_t t1 = rnd_next(300, 3000);
803 uint32_t t2 = rnd_next(300, 3000);
804
805 lv_anim_t a;
806 lv_anim_init(&a);
807 lv_anim_set_var(&a, obj);
808 lv_anim_set_exec_cb(&a, shake_anim_y_cb);
809 lv_anim_set_values(&a, 0, y_max);
810 lv_anim_set_duration(&a, t1);
811 lv_anim_set_reverse_duration(&a, t2);
812 lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
813 lv_anim_start(&a);
814 }
815
card_create(void)816 static lv_obj_t * card_create(void)
817 {
818 lv_obj_t * panel = lv_obj_create(lv_screen_active());
819 lv_obj_set_size(panel, 270, 120);
820 lv_obj_set_style_pad_all(panel, 8, 0);
821
822 LV_IMAGE_DECLARE(img_benchmark_avatar);
823 lv_obj_t * child = lv_image_create(panel);
824 lv_obj_align(child, LV_ALIGN_LEFT_MID, 0, 0);
825 lv_image_set_src(child, &img_benchmark_avatar);
826
827 child = lv_label_create(panel);
828 lv_label_set_text_static(child, "John Smith");
829 lv_obj_set_style_text_font(child, &lv_font_montserrat_24, 0);
830 lv_obj_set_pos(child, 100, 0);
831
832 child = lv_label_create(panel);
833 lv_label_set_text_static(child, "A DIY enthusiast");
834 lv_obj_set_style_text_font(child, &lv_font_montserrat_14, 0);
835 lv_obj_set_pos(child, 100, 30);
836
837 child = lv_button_create(panel);
838 lv_obj_set_pos(child, 100, 50);
839
840 child = lv_label_create(child);
841 lv_label_set_text_static(child, "Connect");
842
843 return panel;
844 }
845
rnd_reset(void)846 static void rnd_reset(void)
847 {
848 rnd_act = 0;
849 }
850
rnd_next(int32_t min,int32_t max)851 static int32_t rnd_next(int32_t min, int32_t max)
852 {
853 static const uint32_t rnd_map[] = {
854 0xbd13204f, 0x67d8167f, 0x20211c99, 0xb0a7cc05,
855 0x06d5c703, 0xeafb01a7, 0xd0473b5c, 0xc999aaa2,
856 0x86f9d5d9, 0x294bdb29, 0x12a3c207, 0x78914d14,
857 0x10a30006, 0x6134c7db, 0x194443af, 0x142d1099,
858 0x376292d5, 0x20f433c5, 0x074d2a59, 0x4e74c293,
859 0x072a0810, 0xdd0f136d, 0x5cca6dbc, 0x623bfdd8,
860 0xb645eb2f, 0xbe50894a, 0xc9b56717, 0xe0f912c8,
861 0x4f6b5e24, 0xfe44b128, 0xe12d57a8, 0x9b15c9cc,
862 0xab2ae1d3, 0xb4dc5074, 0x67d457c8, 0x8e46b00c,
863 0xa29a1871, 0xcee40332, 0x80f93aa1, 0x85286096,
864 0x09bd6b49, 0x95072088, 0x2093924b, 0x6a27328f,
865 0xa796079b, 0xc3b488bc, 0xe29bcce0, 0x07048a4c,
866 0x7d81bd99, 0x27aacb30, 0x44fc7a0e, 0xa2382241,
867 0x8357a17d, 0x97e9c9cc, 0xad10ff52, 0x9923fc5c,
868 0x8f2c840a, 0x20356ba2, 0x7997a677, 0x9a7f1800,
869 0x35c7562b, 0xd901fe51, 0x8f4e053d, 0xa5b94923,
870 0xd2c5eedd, 0x24f0cc9b, 0x3aa7b571, 0xd289a1c9,
871 0x79c7dc3, 0x5bf68c86, 0xc9f55239, 0x42052cfb,
872 0x63dae9df, 0x75c9e11f, 0x407f9151, 0x104ebc63,
873 0xb4b52591, 0x53a46b7a, 0x9398d144, 0x9a7c6c3d,
874 0x76b35b78, 0xa028e33e, 0xbfe586e4, 0xf3f79731,
875 0x99591738, 0xd7b0a847, 0x1ffb1936, 0xfeeea2e4,
876 0xbc896279, 0xa8241a72, 0x871124fa, 0x27bb9866,
877 0x41794272, 0x92f5dc59, 0x98c9d185, 0x6fc5905b,
878 0xf0ba9f1a, 0x771cad1b, 0xf6285752, 0xb5ffcbc5,
879 0x6fd2b63c, 0x2c404190, 0x209469e6, 0x628531b1,
880 0x98a726bc, 0xcc6c0d97, 0x86c2e7b9, 0x7bc12e1f,
881 0xf9a67e10, 0xd5bf101f, 0xa1aaaf35, 0x69b078fc,
882 0x71d698b2, 0x9a954baa, 0xe7423a82, 0xdd9898e1,
883 0xf4980e5c, 0x4f3607b9, 0x9ce35d27, 0xb4b764e0,
884 0xa1fa3ad3, 0x220ad165, 0x282216b4, 0x7e583888,
885 0xf8315b2b, 0x81c27062, 0x8eb89a85, /*Intentionally incomplete line to make the length of array more arbitrary*/
886
887 };
888
889 if(min == max) return min;
890
891 if(min > max) {
892 int32_t t = min;
893 min = max;
894 max = t;
895 }
896
897 int32_t d = max - min;
898 int32_t r = (rnd_map[rnd_act] % d) + min;
899
900 rnd_act++;
901 if(rnd_act >= sizeof(rnd_map) / sizeof(rnd_map[0])) rnd_act = 0;
902
903 return r;
904 }
905
rnd_color(void)906 static lv_color_t rnd_color(void)
907 {
908 return lv_palette_main(rnd_next(0, LV_PALETTE_LAST - 1));
909 }
910
911 #endif
912
