acid-drop- Hacking the planet from a LilyGo T-Deck using custom firmware |
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lv_demo_music_main.c (35582B)
1 /** 2 * @file lv_demo_music_main.c 3 * 4 */ 5 6 /********************* 7 * INCLUDES 8 *********************/ 9 #include "lv_demo_music_main.h" 10 #if LV_USE_DEMO_MUSIC 11 12 #include "lv_demo_music_list.h" 13 #include "assets/spectrum_1.h" 14 #include "assets/spectrum_2.h" 15 #include "assets/spectrum_3.h" 16 17 /********************* 18 * DEFINES 19 *********************/ 20 #define ACTIVE_TRACK_CNT 3 21 #define INTRO_TIME 2000 22 #define BAR_COLOR1 lv_color_hex(0xe9dbfc) 23 #define BAR_COLOR2 lv_color_hex(0x6f8af6) 24 #define BAR_COLOR3 lv_color_hex(0xffffff) 25 #if LV_DEMO_MUSIC_LARGE 26 #define BAR_COLOR1_STOP 160 27 #define BAR_COLOR2_STOP 200 28 #else 29 #define BAR_COLOR1_STOP 80 30 #define BAR_COLOR2_STOP 100 31 #endif 32 #define BAR_COLOR3_STOP (2 * LV_HOR_RES / 3) 33 #define BAR_CNT 20 34 #define DEG_STEP (180/BAR_CNT) 35 #define BAND_CNT 4 36 #define BAR_PER_BAND_CNT (BAR_CNT / BAND_CNT) 37 38 /********************** 39 * TYPEDEFS 40 **********************/ 41 42 /********************** 43 * STATIC PROTOTYPES 44 **********************/ 45 static lv_obj_t * create_cont(lv_obj_t * parent); 46 static void create_wave_images(lv_obj_t * parent); 47 static lv_obj_t * create_title_box(lv_obj_t * parent); 48 static lv_obj_t * create_icon_box(lv_obj_t * parent); 49 static lv_obj_t * create_spectrum_obj(lv_obj_t * parent); 50 static lv_obj_t * create_ctrl_box(lv_obj_t * parent); 51 static lv_obj_t * create_handle(lv_obj_t * parent); 52 53 static void spectrum_anim_cb(void * a, int32_t v); 54 static void start_anim_cb(void * a, int32_t v); 55 static void spectrum_draw_event_cb(lv_event_t * e); 56 static lv_obj_t * album_img_create(lv_obj_t * parent); 57 static void album_gesture_event_cb(lv_event_t * e); 58 static void play_event_click_cb(lv_event_t * e); 59 static void prev_click_event_cb(lv_event_t * e); 60 static void next_click_event_cb(lv_event_t * e); 61 static void timer_cb(lv_timer_t * t); 62 static void track_load(uint32_t id); 63 static void stop_start_anim(lv_timer_t * t); 64 static void spectrum_end_cb(lv_anim_t * a); 65 static int32_t get_cos(int32_t deg, int32_t a); 66 static int32_t get_sin(int32_t deg, int32_t a); 67 68 /********************** 69 * STATIC VARIABLES 70 **********************/ 71 static lv_obj_t * main_cont; 72 static lv_obj_t * spectrum_obj; 73 static lv_obj_t * title_label; 74 static lv_obj_t * artist_label; 75 static lv_obj_t * genre_label; 76 static lv_obj_t * time_obj; 77 static lv_obj_t * album_img_obj; 78 static lv_obj_t * slider_obj; 79 static uint32_t spectrum_i = 0; 80 static uint32_t spectrum_i_pause = 0; 81 static uint32_t bar_ofs = 0; 82 static uint32_t spectrum_lane_ofs_start = 0; 83 static uint32_t bar_rot = 0; 84 static uint32_t time_act; 85 static lv_timer_t * sec_counter_timer; 86 static const lv_font_t * font_small; 87 static const lv_font_t * font_large; 88 static uint32_t track_id; 89 static bool playing; 90 static bool start_anim; 91 static lv_coord_t start_anim_values[40]; 92 static lv_obj_t * play_obj; 93 static const uint16_t (* spectrum)[4]; 94 static uint32_t spectrum_len; 95 static const uint16_t rnd_array[30] = {994, 285, 553, 11, 792, 707, 966, 641, 852, 827, 44, 352, 146, 581, 490, 80, 729, 58, 695, 940, 724, 561, 124, 653, 27, 292, 557, 506, 382, 199}; 96 97 /********************** 98 * MACROS 99 **********************/ 100 101 /********************** 102 * GLOBAL FUNCTIONS 103 **********************/ 104 105 /* 106 * Callback adapter function to convert parameter types to avoid compile-time 107 * warning. 108 */ 109 static void _img_set_zoom_anim_cb(void * obj, int32_t zoom) 110 { 111 lv_img_set_zoom((lv_obj_t *)obj, (uint16_t)zoom); 112 } 113 114 /* 115 * Callback adapter function to convert parameter types to avoid compile-time 116 * warning. 117 */ 118 static void _obj_set_x_anim_cb(void * obj, int32_t x) 119 { 120 lv_obj_set_x((lv_obj_t *)obj, (lv_coord_t)x); 121 } 122 123 lv_obj_t * _lv_demo_music_main_create(lv_obj_t * parent) 124 { 125 #if LV_DEMO_MUSIC_LARGE 126 font_small = &lv_font_montserrat_22; 127 font_large = &lv_font_montserrat_32; 128 #else 129 font_small = &lv_font_montserrat_12; 130 font_large = &lv_font_montserrat_16; 131 #endif 132 133 /*Create the content of the music player*/ 134 lv_obj_t * cont = create_cont(parent); 135 create_wave_images(cont); 136 lv_obj_t * title_box = create_title_box(cont); 137 lv_obj_t * icon_box = create_icon_box(cont); 138 lv_obj_t * ctrl_box = create_ctrl_box(cont); 139 spectrum_obj = create_spectrum_obj(cont); 140 lv_obj_t * handle_box = create_handle(cont); 141 142 #if LV_DEMO_MUSIC_ROUND 143 lv_obj_set_style_pad_hor(cont, LV_HOR_RES / 6, 0); 144 #endif 145 146 /*Arrange the content into a grid*/ 147 #if LV_DEMO_MUSIC_SQUARE || LV_DEMO_MUSIC_ROUND 148 static const lv_coord_t grid_cols[] = {LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST}; 149 static lv_coord_t grid_rows[] = {LV_DEMO_MUSIC_HANDLE_SIZE, /*Spacing*/ 150 0, /*Spectrum obj, set later*/ 151 LV_GRID_CONTENT, /*Title box*/ 152 LV_GRID_FR(3), /*Spacer*/ 153 LV_GRID_CONTENT, /*Icon box*/ 154 LV_GRID_FR(3), /*Spacer*/ 155 LV_GRID_CONTENT, /*Control box*/ 156 LV_GRID_FR(3), /*Spacer*/ 157 LV_GRID_CONTENT, /*Handle box*/ 158 LV_DEMO_MUSIC_HANDLE_SIZE, /*Spacing*/ 159 LV_GRID_TEMPLATE_LAST 160 }; 161 162 grid_rows[1] = LV_VER_RES; 163 164 lv_obj_set_grid_dsc_array(cont, grid_cols, grid_rows); 165 lv_obj_set_style_grid_row_align(cont, LV_GRID_ALIGN_SPACE_BETWEEN, 0); 166 lv_obj_set_grid_cell(spectrum_obj, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 1, 1); 167 lv_obj_set_grid_cell(title_box, LV_GRID_ALIGN_STRETCH, 0, 1, LV_ALIGN_CENTER, 2, 1); 168 lv_obj_set_grid_cell(icon_box, LV_GRID_ALIGN_STRETCH, 0, 1, LV_ALIGN_CENTER, 4, 1); 169 lv_obj_set_grid_cell(ctrl_box, LV_GRID_ALIGN_STRETCH, 0, 1, LV_ALIGN_CENTER, 6, 1); 170 lv_obj_set_grid_cell(handle_box, LV_GRID_ALIGN_STRETCH, 0, 1, LV_ALIGN_CENTER, 8, 1); 171 #elif LV_DEMO_MUSIC_LANDSCAPE == 0 172 static const lv_coord_t grid_cols[] = {LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST}; 173 static const lv_coord_t grid_rows[] = {LV_DEMO_MUSIC_HANDLE_SIZE, /*Spacing*/ 174 LV_GRID_FR(1), /*Spacer*/ 175 LV_GRID_CONTENT, /*Title box*/ 176 LV_GRID_FR(3), /*Spacer*/ 177 LV_GRID_CONTENT, /*Icon box*/ 178 LV_GRID_FR(3), /*Spacer*/ 179 # if LV_DEMO_MUSIC_LARGE == 0 180 250, /*Spectrum obj*/ 181 # else 182 480, /*Spectrum obj*/ 183 # endif 184 LV_GRID_FR(3), /*Spacer*/ 185 LV_GRID_CONTENT, /*Control box*/ 186 LV_GRID_FR(3), /*Spacer*/ 187 LV_GRID_CONTENT, /*Handle box*/ 188 LV_GRID_FR(1), /*Spacer*/ 189 LV_DEMO_MUSIC_HANDLE_SIZE, /*Spacing*/ 190 LV_GRID_TEMPLATE_LAST 191 }; 192 193 lv_obj_set_grid_dsc_array(cont, grid_cols, grid_rows); 194 lv_obj_set_style_grid_row_align(cont, LV_GRID_ALIGN_SPACE_BETWEEN, 0); 195 lv_obj_set_grid_cell(title_box, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 2, 1); 196 lv_obj_set_grid_cell(icon_box, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 4, 1); 197 lv_obj_set_grid_cell(spectrum_obj, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 6, 1); 198 lv_obj_set_grid_cell(ctrl_box, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 8, 1); 199 lv_obj_set_grid_cell(handle_box, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 10, 1); 200 #else 201 /*Arrange the content into a grid*/ 202 static const lv_coord_t grid_cols[] = {LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_TEMPLATE_LAST}; 203 static const lv_coord_t grid_rows[] = {LV_DEMO_MUSIC_HANDLE_SIZE, /*Spacing*/ 204 LV_GRID_FR(1), /*Spacer*/ 205 LV_GRID_CONTENT, /*Title box*/ 206 LV_GRID_FR(1), /*Spacer*/ 207 LV_GRID_CONTENT, /*Icon box*/ 208 LV_GRID_FR(3), /*Spacer*/ 209 LV_GRID_CONTENT, /*Control box*/ 210 LV_GRID_FR(1), /*Spacer*/ 211 LV_GRID_CONTENT, /*Handle box*/ 212 LV_GRID_FR(1), /*Spacer*/ 213 LV_DEMO_MUSIC_HANDLE_SIZE, /*Spacing*/ 214 LV_GRID_TEMPLATE_LAST 215 }; 216 217 lv_obj_set_grid_dsc_array(cont, grid_cols, grid_rows); 218 lv_obj_set_style_grid_row_align(cont, LV_GRID_ALIGN_SPACE_BETWEEN, 0); 219 lv_obj_set_grid_cell(title_box, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 2, 1); 220 lv_obj_set_grid_cell(icon_box, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 4, 1); 221 lv_obj_set_grid_cell(ctrl_box, LV_GRID_ALIGN_STRETCH, 0, 1, LV_GRID_ALIGN_CENTER, 6, 1); 222 lv_obj_set_grid_cell(handle_box, LV_GRID_ALIGN_STRETCH, 0, 2, LV_GRID_ALIGN_CENTER, 8, 1); 223 lv_obj_set_grid_cell(spectrum_obj, LV_GRID_ALIGN_STRETCH, 1, 1, LV_GRID_ALIGN_CENTER, 1, 9); 224 #endif 225 226 sec_counter_timer = lv_timer_create(timer_cb, 1000, NULL); 227 lv_timer_pause(sec_counter_timer); 228 229 /*Animate in the content after the intro time*/ 230 lv_anim_t a; 231 232 start_anim = true; 233 234 lv_timer_t * timer = lv_timer_create(stop_start_anim, INTRO_TIME + 6000, NULL); 235 lv_timer_set_repeat_count(timer, 1); 236 237 lv_anim_init(&a); 238 lv_anim_set_path_cb(&a, lv_anim_path_bounce); 239 240 uint32_t i; 241 lv_anim_set_exec_cb(&a, start_anim_cb); 242 for(i = 0; i < BAR_CNT; i++) { 243 lv_anim_set_values(&a, LV_HOR_RES, 5); 244 lv_anim_set_delay(&a, INTRO_TIME - 200 + rnd_array[i] % 200); 245 lv_anim_set_time(&a, 2500 + rnd_array[i] % 500); 246 lv_anim_set_var(&a, &start_anim_values[i]); 247 lv_anim_start(&a); 248 } 249 250 lv_obj_fade_in(title_box, 1000, INTRO_TIME + 1000); 251 lv_obj_fade_in(icon_box, 1000, INTRO_TIME + 1000); 252 lv_obj_fade_in(ctrl_box, 1000, INTRO_TIME + 1000); 253 lv_obj_fade_in(handle_box, 1000, INTRO_TIME + 1000); 254 lv_obj_fade_in(album_img_obj, 800, INTRO_TIME + 1000); 255 lv_obj_fade_in(spectrum_obj, 0, INTRO_TIME); 256 257 lv_anim_set_path_cb(&a, lv_anim_path_ease_out); 258 lv_anim_set_var(&a, album_img_obj); 259 lv_anim_set_time(&a, 1000); 260 lv_anim_set_delay(&a, INTRO_TIME + 1000); 261 lv_anim_set_values(&a, 1, LV_IMG_ZOOM_NONE); 262 lv_anim_set_exec_cb(&a, _img_set_zoom_anim_cb); 263 lv_anim_set_ready_cb(&a, NULL); 264 lv_anim_start(&a); 265 266 /* Create an intro from a logo + label */ 267 LV_IMG_DECLARE(img_lv_demo_music_logo); 268 lv_obj_t * logo = lv_img_create(lv_scr_act()); 269 lv_img_set_src(logo, &img_lv_demo_music_logo); 270 lv_obj_move_foreground(logo); 271 272 lv_obj_t * title = lv_label_create(lv_scr_act()); 273 lv_label_set_text(title, "LVGL Demo\nMusic player"); 274 lv_obj_set_style_text_align(title, LV_TEXT_ALIGN_CENTER, 0); 275 lv_obj_set_style_text_font(title, font_large, 0); 276 lv_obj_set_style_text_line_space(title, 8, 0); 277 lv_obj_fade_out(title, 500, INTRO_TIME); 278 lv_obj_align_to(logo, spectrum_obj, LV_ALIGN_CENTER, 0, 0); 279 lv_obj_align_to(title, logo, LV_ALIGN_OUT_LEFT_MID, -20, 0); 280 281 lv_anim_set_path_cb(&a, lv_anim_path_ease_in); 282 lv_anim_set_var(&a, logo); 283 lv_anim_set_time(&a, 400); 284 lv_anim_set_delay(&a, INTRO_TIME + 800); 285 lv_anim_set_values(&a, LV_IMG_ZOOM_NONE, 10); 286 lv_anim_set_ready_cb(&a, lv_obj_del_anim_ready_cb); 287 lv_anim_start(&a); 288 289 lv_obj_update_layout(main_cont); 290 291 return main_cont; 292 } 293 294 void _lv_demo_music_album_next(bool next) 295 { 296 uint32_t id = track_id; 297 if(next) { 298 id++; 299 if(id >= ACTIVE_TRACK_CNT) id = 0; 300 } 301 else { 302 if(id == 0) { 303 id = ACTIVE_TRACK_CNT - 1; 304 } 305 else { 306 id--; 307 } 308 } 309 310 if(playing) { 311 _lv_demo_music_play(id); 312 } 313 else { 314 track_load(id); 315 } 316 } 317 318 void _lv_demo_music_play(uint32_t id) 319 { 320 track_load(id); 321 322 _lv_demo_music_resume(); 323 } 324 325 void _lv_demo_music_resume(void) 326 { 327 playing = true; 328 spectrum_i = spectrum_i_pause; 329 lv_anim_t a; 330 lv_anim_init(&a); 331 lv_anim_set_values(&a, spectrum_i, spectrum_len - 1); 332 lv_anim_set_exec_cb(&a, spectrum_anim_cb); 333 lv_anim_set_var(&a, spectrum_obj); 334 lv_anim_set_time(&a, ((spectrum_len - spectrum_i) * 1000) / 30); 335 lv_anim_set_playback_time(&a, 0); 336 lv_anim_set_ready_cb(&a, spectrum_end_cb); 337 lv_anim_start(&a); 338 339 lv_timer_resume(sec_counter_timer); 340 lv_slider_set_range(slider_obj, 0, _lv_demo_music_get_track_length(track_id)); 341 342 lv_obj_add_state(play_obj, LV_STATE_CHECKED); 343 344 } 345 346 void _lv_demo_music_pause(void) 347 { 348 playing = false; 349 spectrum_i_pause = spectrum_i; 350 spectrum_i = 0; 351 lv_anim_del(spectrum_obj, spectrum_anim_cb); 352 lv_obj_invalidate(spectrum_obj); 353 lv_img_set_zoom(album_img_obj, LV_IMG_ZOOM_NONE); 354 lv_timer_pause(sec_counter_timer); 355 lv_obj_clear_state(play_obj, LV_STATE_CHECKED); 356 } 357 358 /********************** 359 * STATIC FUNCTIONS 360 **********************/ 361 362 static lv_obj_t * create_cont(lv_obj_t * parent) 363 { 364 /*A transparent container in which the player section will be scrolled*/ 365 main_cont = lv_obj_create(parent); 366 lv_obj_clear_flag(main_cont, LV_OBJ_FLAG_CLICKABLE); 367 lv_obj_clear_flag(main_cont, LV_OBJ_FLAG_SCROLL_ELASTIC); 368 lv_obj_remove_style_all(main_cont); /*Make it transparent*/ 369 lv_obj_set_size(main_cont, lv_pct(100), lv_pct(100)); 370 lv_obj_set_scroll_snap_y(main_cont, LV_SCROLL_SNAP_CENTER); /*Snap the children to the center*/ 371 372 /*Create a container for the player*/ 373 lv_obj_t * player = lv_obj_create(main_cont); 374 lv_obj_set_y(player, - LV_DEMO_MUSIC_HANDLE_SIZE); 375 #if LV_DEMO_MUSIC_SQUARE || LV_DEMO_MUSIC_ROUND 376 lv_obj_set_size(player, LV_HOR_RES, 2 * LV_VER_RES + LV_DEMO_MUSIC_HANDLE_SIZE * 2); 377 #else 378 lv_obj_set_size(player, LV_HOR_RES, LV_VER_RES + LV_DEMO_MUSIC_HANDLE_SIZE * 2); 379 #endif 380 lv_obj_clear_flag(player, LV_OBJ_FLAG_SNAPABLE); 381 382 lv_obj_set_style_bg_color(player, lv_color_hex(0xffffff), 0); 383 lv_obj_set_style_border_width(player, 0, 0); 384 lv_obj_set_style_pad_all(player, 0, 0); 385 lv_obj_set_scroll_dir(player, LV_DIR_VER); 386 387 /* Transparent placeholders below the player container 388 * It is used only to snap it to center.*/ 389 lv_obj_t * placeholder1 = lv_obj_create(main_cont); 390 lv_obj_remove_style_all(placeholder1); 391 lv_obj_clear_flag(placeholder1, LV_OBJ_FLAG_CLICKABLE); 392 // lv_obj_set_style_bg_color(placeholder1, lv_color_hex(0xff0000), 0); 393 // lv_obj_set_style_bg_opa(placeholder1, LV_OPA_50, 0); 394 395 lv_obj_t * placeholder2 = lv_obj_create(main_cont); 396 lv_obj_remove_style_all(placeholder2); 397 lv_obj_clear_flag(placeholder2, LV_OBJ_FLAG_CLICKABLE); 398 // lv_obj_set_style_bg_color(placeholder2, lv_color_hex(0x00ff00), 0); 399 // lv_obj_set_style_bg_opa(placeholder2, LV_OPA_50, 0); 400 401 #if LV_DEMO_MUSIC_SQUARE || LV_DEMO_MUSIC_ROUND 402 lv_obj_t * placeholder3 = lv_obj_create(main_cont); 403 lv_obj_remove_style_all(placeholder3); 404 lv_obj_clear_flag(placeholder3, LV_OBJ_FLAG_CLICKABLE); 405 // lv_obj_set_style_bg_color(placeholder3, lv_color_hex(0x0000ff), 0); 406 // lv_obj_set_style_bg_opa(placeholder3, LV_OPA_20, 0); 407 408 lv_obj_set_size(placeholder1, lv_pct(100), LV_VER_RES); 409 lv_obj_set_y(placeholder1, 0); 410 411 lv_obj_set_size(placeholder2, lv_pct(100), LV_VER_RES); 412 lv_obj_set_y(placeholder2, LV_VER_RES); 413 414 lv_obj_set_size(placeholder3, lv_pct(100), LV_VER_RES - 2 * LV_DEMO_MUSIC_HANDLE_SIZE); 415 lv_obj_set_y(placeholder3, 2 * LV_VER_RES + LV_DEMO_MUSIC_HANDLE_SIZE); 416 #else 417 lv_obj_set_size(placeholder1, lv_pct(100), LV_VER_RES); 418 lv_obj_set_y(placeholder1, 0); 419 420 lv_obj_set_size(placeholder2, lv_pct(100), LV_VER_RES - 2 * LV_DEMO_MUSIC_HANDLE_SIZE); 421 lv_obj_set_y(placeholder2, LV_VER_RES + LV_DEMO_MUSIC_HANDLE_SIZE); 422 #endif 423 424 lv_obj_update_layout(main_cont); 425 426 return player; 427 } 428 429 static void create_wave_images(lv_obj_t * parent) 430 { 431 LV_IMG_DECLARE(img_lv_demo_music_wave_top); 432 LV_IMG_DECLARE(img_lv_demo_music_wave_bottom); 433 lv_obj_t * wave_top = lv_img_create(parent); 434 lv_img_set_src(wave_top, &img_lv_demo_music_wave_top); 435 lv_obj_set_width(wave_top, LV_HOR_RES); 436 lv_obj_align(wave_top, LV_ALIGN_TOP_MID, 0, 0); 437 lv_obj_add_flag(wave_top, LV_OBJ_FLAG_IGNORE_LAYOUT); 438 439 lv_obj_t * wave_bottom = lv_img_create(parent); 440 lv_img_set_src(wave_bottom, &img_lv_demo_music_wave_bottom); 441 lv_obj_set_width(wave_bottom, LV_HOR_RES); 442 lv_obj_align(wave_bottom, LV_ALIGN_BOTTOM_MID, 0, 0); 443 lv_obj_add_flag(wave_bottom, LV_OBJ_FLAG_IGNORE_LAYOUT); 444 445 LV_IMG_DECLARE(img_lv_demo_music_corner_left); 446 LV_IMG_DECLARE(img_lv_demo_music_corner_right); 447 lv_obj_t * wave_corner = lv_img_create(parent); 448 lv_img_set_src(wave_corner, &img_lv_demo_music_corner_left); 449 #if LV_DEMO_MUSIC_ROUND == 0 450 lv_obj_align(wave_corner, LV_ALIGN_BOTTOM_LEFT, 0, 0); 451 #else 452 lv_obj_align(wave_corner, LV_ALIGN_BOTTOM_LEFT, -LV_HOR_RES / 6, 0); 453 #endif 454 lv_obj_add_flag(wave_corner, LV_OBJ_FLAG_IGNORE_LAYOUT); 455 456 wave_corner = lv_img_create(parent); 457 lv_img_set_src(wave_corner, &img_lv_demo_music_corner_right); 458 #if LV_DEMO_MUSIC_ROUND == 0 459 lv_obj_align(wave_corner, LV_ALIGN_BOTTOM_RIGHT, 0, 0); 460 #else 461 lv_obj_align(wave_corner, LV_ALIGN_BOTTOM_RIGHT, LV_HOR_RES / 6, 0); 462 #endif 463 lv_obj_add_flag(wave_corner, LV_OBJ_FLAG_IGNORE_LAYOUT); 464 } 465 466 static lv_obj_t * create_title_box(lv_obj_t * parent) 467 { 468 469 /*Create the titles*/ 470 lv_obj_t * cont = lv_obj_create(parent); 471 lv_obj_remove_style_all(cont); 472 lv_obj_set_height(cont, LV_SIZE_CONTENT); 473 lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_COLUMN); 474 lv_obj_set_flex_align(cont, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER); 475 476 title_label = lv_label_create(cont); 477 lv_obj_set_style_text_font(title_label, font_large, 0); 478 lv_obj_set_style_text_color(title_label, lv_color_hex(0x504d6d), 0); 479 lv_label_set_text(title_label, _lv_demo_music_get_title(track_id)); 480 lv_obj_set_height(title_label, lv_font_get_line_height(font_large) * 3 / 2); 481 482 artist_label = lv_label_create(cont); 483 lv_obj_set_style_text_font(artist_label, font_small, 0); 484 lv_obj_set_style_text_color(artist_label, lv_color_hex(0x504d6d), 0); 485 lv_label_set_text(artist_label, _lv_demo_music_get_artist(track_id)); 486 487 genre_label = lv_label_create(cont); 488 lv_obj_set_style_text_font(genre_label, font_small, 0); 489 lv_obj_set_style_text_color(genre_label, lv_color_hex(0x8a86b8), 0); 490 lv_label_set_text(genre_label, _lv_demo_music_get_genre(track_id)); 491 492 return cont; 493 } 494 495 static lv_obj_t * create_icon_box(lv_obj_t * parent) 496 { 497 498 lv_obj_t * cont = lv_obj_create(parent); 499 lv_obj_remove_style_all(cont); 500 lv_obj_set_height(cont, LV_SIZE_CONTENT); 501 lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_ROW); 502 lv_obj_set_flex_align(cont, LV_FLEX_ALIGN_SPACE_EVENLY, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER); 503 504 lv_obj_t * icon; 505 LV_IMG_DECLARE(img_lv_demo_music_icon_1); 506 LV_IMG_DECLARE(img_lv_demo_music_icon_2); 507 LV_IMG_DECLARE(img_lv_demo_music_icon_3); 508 LV_IMG_DECLARE(img_lv_demo_music_icon_4); 509 icon = lv_img_create(cont); 510 lv_img_set_src(icon, &img_lv_demo_music_icon_1); 511 icon = lv_img_create(cont); 512 lv_img_set_src(icon, &img_lv_demo_music_icon_2); 513 icon = lv_img_create(cont); 514 lv_img_set_src(icon, &img_lv_demo_music_icon_3); 515 icon = lv_img_create(cont); 516 lv_img_set_src(icon, &img_lv_demo_music_icon_4); 517 518 return cont; 519 } 520 521 static lv_obj_t * create_spectrum_obj(lv_obj_t * parent) 522 { 523 /*Create the spectrum visualizer*/ 524 lv_obj_t * obj = lv_obj_create(parent); 525 lv_obj_remove_style_all(obj); 526 #if LV_DEMO_MUSIC_LARGE 527 lv_obj_set_height(obj, 500); 528 #else 529 lv_obj_set_height(obj, 250); 530 #endif 531 lv_obj_clear_flag(obj, LV_OBJ_FLAG_CLICKABLE | LV_OBJ_FLAG_SCROLLABLE); 532 lv_obj_add_event_cb(obj, spectrum_draw_event_cb, LV_EVENT_ALL, NULL); 533 lv_obj_refresh_ext_draw_size(obj); 534 album_img_obj = album_img_create(obj); 535 return obj; 536 } 537 538 static lv_obj_t * create_ctrl_box(lv_obj_t * parent) 539 { 540 /*Create the control box*/ 541 lv_obj_t * cont = lv_obj_create(parent); 542 lv_obj_remove_style_all(cont); 543 lv_obj_set_height(cont, LV_SIZE_CONTENT); 544 #if LV_DEMO_MUSIC_LARGE 545 lv_obj_set_style_pad_bottom(cont, 17, 0); 546 #else 547 lv_obj_set_style_pad_bottom(cont, 8, 0); 548 #endif 549 static const lv_coord_t grid_col[] = {LV_GRID_FR(2), LV_GRID_FR(3), LV_GRID_FR(5), LV_GRID_FR(5), LV_GRID_FR(5), LV_GRID_FR(3), LV_GRID_FR(2), LV_GRID_TEMPLATE_LAST}; 550 static const lv_coord_t grid_row[] = {LV_GRID_CONTENT, LV_GRID_CONTENT, LV_GRID_TEMPLATE_LAST}; 551 lv_obj_set_grid_dsc_array(cont, grid_col, grid_row); 552 553 LV_IMG_DECLARE(img_lv_demo_music_btn_loop); 554 LV_IMG_DECLARE(img_lv_demo_music_btn_rnd); 555 LV_IMG_DECLARE(img_lv_demo_music_btn_next); 556 LV_IMG_DECLARE(img_lv_demo_music_btn_prev); 557 LV_IMG_DECLARE(img_lv_demo_music_btn_play); 558 LV_IMG_DECLARE(img_lv_demo_music_btn_pause); 559 560 lv_obj_t * icon; 561 icon = lv_img_create(cont); 562 lv_img_set_src(icon, &img_lv_demo_music_btn_rnd); 563 lv_obj_set_grid_cell(icon, LV_GRID_ALIGN_START, 1, 1, LV_GRID_ALIGN_CENTER, 0, 1); 564 565 icon = lv_img_create(cont); 566 lv_img_set_src(icon, &img_lv_demo_music_btn_loop); 567 lv_obj_set_grid_cell(icon, LV_GRID_ALIGN_END, 5, 1, LV_GRID_ALIGN_CENTER, 0, 1); 568 569 icon = lv_img_create(cont); 570 lv_img_set_src(icon, &img_lv_demo_music_btn_prev); 571 lv_obj_set_grid_cell(icon, LV_GRID_ALIGN_CENTER, 2, 1, LV_GRID_ALIGN_CENTER, 0, 1); 572 lv_obj_add_event_cb(icon, prev_click_event_cb, LV_EVENT_CLICKED, NULL); 573 574 play_obj = lv_imgbtn_create(cont); 575 lv_imgbtn_set_src(play_obj, LV_IMGBTN_STATE_RELEASED, NULL, &img_lv_demo_music_btn_play, NULL); 576 lv_imgbtn_set_src(play_obj, LV_IMGBTN_STATE_CHECKED_RELEASED, NULL, &img_lv_demo_music_btn_pause, NULL); 577 lv_obj_add_flag(play_obj, LV_OBJ_FLAG_CHECKABLE); 578 lv_obj_set_grid_cell(play_obj, LV_GRID_ALIGN_CENTER, 3, 1, LV_GRID_ALIGN_CENTER, 0, 1); 579 580 lv_obj_add_event_cb(play_obj, play_event_click_cb, LV_EVENT_CLICKED, NULL); 581 lv_obj_add_flag(play_obj, LV_OBJ_FLAG_CLICKABLE); 582 lv_obj_set_width(play_obj, img_lv_demo_music_btn_play.header.w); 583 584 icon = lv_img_create(cont); 585 lv_img_set_src(icon, &img_lv_demo_music_btn_next); 586 lv_obj_set_grid_cell(icon, LV_GRID_ALIGN_CENTER, 4, 1, LV_GRID_ALIGN_CENTER, 0, 1); 587 lv_obj_add_event_cb(icon, next_click_event_cb, LV_EVENT_CLICKED, NULL); 588 lv_obj_add_flag(icon, LV_OBJ_FLAG_CLICKABLE); 589 590 LV_IMG_DECLARE(img_lv_demo_music_slider_knob); 591 slider_obj = lv_slider_create(cont); 592 lv_obj_set_style_anim_time(slider_obj, 100, 0); 593 lv_obj_add_flag(slider_obj, LV_OBJ_FLAG_CLICKABLE); /*No input from the slider*/ 594 595 #if LV_DEMO_MUSIC_LARGE == 0 596 lv_obj_set_height(slider_obj, 3); 597 #else 598 lv_obj_set_height(slider_obj, 6); 599 #endif 600 lv_obj_set_grid_cell(slider_obj, LV_GRID_ALIGN_STRETCH, 1, 4, LV_GRID_ALIGN_CENTER, 1, 1); 601 602 lv_obj_set_style_bg_img_src(slider_obj, &img_lv_demo_music_slider_knob, LV_PART_KNOB); 603 lv_obj_set_style_bg_opa(slider_obj, LV_OPA_TRANSP, LV_PART_KNOB); 604 lv_obj_set_style_pad_all(slider_obj, 20, LV_PART_KNOB); 605 lv_obj_set_style_bg_grad_dir(slider_obj, LV_GRAD_DIR_HOR, LV_PART_INDICATOR); 606 lv_obj_set_style_bg_color(slider_obj, lv_color_hex(0x569af8), LV_PART_INDICATOR); 607 lv_obj_set_style_bg_grad_color(slider_obj, lv_color_hex(0xa666f1), LV_PART_INDICATOR); 608 lv_obj_set_style_outline_width(slider_obj, 0, 0); 609 610 time_obj = lv_label_create(cont); 611 lv_obj_set_style_text_font(time_obj, font_small, 0); 612 lv_obj_set_style_text_color(time_obj, lv_color_hex(0x8a86b8), 0); 613 lv_label_set_text(time_obj, "0:00"); 614 lv_obj_set_grid_cell(time_obj, LV_GRID_ALIGN_END, 5, 1, LV_GRID_ALIGN_CENTER, 1, 1); 615 616 return cont; 617 } 618 619 static lv_obj_t * create_handle(lv_obj_t * parent) 620 { 621 lv_obj_t * cont = lv_obj_create(parent); 622 lv_obj_remove_style_all(cont); 623 624 lv_obj_set_size(cont, lv_pct(100), LV_SIZE_CONTENT); 625 lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_COLUMN); 626 lv_obj_set_flex_align(cont, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER); 627 lv_obj_set_style_pad_row(cont, 8, 0); 628 629 /*A handle to scroll to the track list*/ 630 lv_obj_t * handle_label = lv_label_create(cont); 631 lv_label_set_text(handle_label, "ALL TRACKS"); 632 lv_obj_set_style_text_font(handle_label, font_small, 0); 633 lv_obj_set_style_text_color(handle_label, lv_color_hex(0x8a86b8), 0); 634 635 lv_obj_t * handle_rect = lv_obj_create(cont); 636 #if LV_DEMO_MUSIC_LARGE 637 lv_obj_set_size(handle_rect, 40, 3); 638 #else 639 lv_obj_set_size(handle_rect, 20, 2); 640 #endif 641 642 lv_obj_set_style_bg_color(handle_rect, lv_color_hex(0x8a86b8), 0); 643 lv_obj_set_style_border_width(handle_rect, 0, 0); 644 645 return cont; 646 } 647 648 static void track_load(uint32_t id) 649 { 650 spectrum_i = 0; 651 time_act = 0; 652 spectrum_i_pause = 0; 653 lv_slider_set_value(slider_obj, 0, LV_ANIM_OFF); 654 lv_label_set_text(time_obj, "0:00"); 655 656 if(id == track_id) return; 657 bool next = false; 658 if((track_id + 1) % ACTIVE_TRACK_CNT == id) next = true; 659 660 _lv_demo_music_list_btn_check(track_id, false); 661 662 track_id = id; 663 664 _lv_demo_music_list_btn_check(id, true); 665 666 lv_label_set_text(title_label, _lv_demo_music_get_title(track_id)); 667 lv_label_set_text(artist_label, _lv_demo_music_get_artist(track_id)); 668 lv_label_set_text(genre_label, _lv_demo_music_get_genre(track_id)); 669 670 lv_obj_fade_out(album_img_obj, 500, 0); 671 672 lv_anim_t a; 673 lv_anim_init(&a); 674 lv_anim_set_var(&a, album_img_obj); 675 lv_anim_set_time(&a, 500); 676 lv_anim_set_path_cb(&a, lv_anim_path_ease_out); 677 #if LV_DEMO_MUSIC_LANDSCAPE 678 if(next) { 679 lv_anim_set_values(&a, 0, - LV_HOR_RES / 7); 680 } 681 else { 682 lv_anim_set_values(&a, 0, LV_HOR_RES / 7); 683 } 684 #else 685 if(next) { 686 lv_anim_set_values(&a, 0, - LV_HOR_RES / 2); 687 } 688 else { 689 lv_anim_set_values(&a, 0, LV_HOR_RES / 2); 690 } 691 #endif 692 lv_anim_set_exec_cb(&a, _obj_set_x_anim_cb); 693 lv_anim_set_ready_cb(&a, lv_obj_del_anim_ready_cb); 694 lv_anim_start(&a); 695 696 lv_anim_set_path_cb(&a, lv_anim_path_linear); 697 lv_anim_set_var(&a, album_img_obj); 698 lv_anim_set_time(&a, 500); 699 lv_anim_set_values(&a, LV_IMG_ZOOM_NONE, LV_IMG_ZOOM_NONE / 2); 700 lv_anim_set_exec_cb(&a, _img_set_zoom_anim_cb); 701 lv_anim_set_ready_cb(&a, NULL); 702 lv_anim_start(&a); 703 704 album_img_obj = album_img_create(spectrum_obj); 705 lv_obj_fade_in(album_img_obj, 500, 100); 706 707 lv_anim_set_path_cb(&a, lv_anim_path_overshoot); 708 lv_anim_set_var(&a, album_img_obj); 709 lv_anim_set_time(&a, 500); 710 lv_anim_set_delay(&a, 100); 711 lv_anim_set_values(&a, LV_IMG_ZOOM_NONE / 4, LV_IMG_ZOOM_NONE); 712 lv_anim_set_exec_cb(&a, _img_set_zoom_anim_cb); 713 lv_anim_set_ready_cb(&a, NULL); 714 lv_anim_start(&a); 715 } 716 717 int32_t get_cos(int32_t deg, int32_t a) 718 { 719 int32_t r = (lv_trigo_cos(deg) * a); 720 721 r += LV_TRIGO_SIN_MAX / 2; 722 return r >> LV_TRIGO_SHIFT; 723 } 724 725 int32_t get_sin(int32_t deg, int32_t a) 726 { 727 int32_t r = lv_trigo_sin(deg) * a; 728 729 r += LV_TRIGO_SIN_MAX / 2; 730 return r >> LV_TRIGO_SHIFT; 731 732 } 733 734 static void spectrum_draw_event_cb(lv_event_t * e) 735 { 736 lv_event_code_t code = lv_event_get_code(e); 737 738 if(code == LV_EVENT_REFR_EXT_DRAW_SIZE) { 739 #if LV_DEMO_MUSIC_LANDSCAPE 740 lv_event_set_ext_draw_size(e, LV_HOR_RES); 741 #else 742 lv_event_set_ext_draw_size(e, LV_VER_RES); 743 #endif 744 } 745 else if(code == LV_EVENT_COVER_CHECK) { 746 lv_event_set_cover_res(e, LV_COVER_RES_NOT_COVER); 747 } 748 else if(code == LV_EVENT_DRAW_POST) { 749 lv_obj_t * obj = lv_event_get_target(e); 750 lv_draw_ctx_t * draw_ctx = lv_event_get_draw_ctx(e); 751 752 lv_opa_t opa = lv_obj_get_style_opa(obj, LV_PART_MAIN); 753 if(opa < LV_OPA_MIN) return; 754 755 lv_point_t poly[4]; 756 lv_point_t center; 757 center.x = obj->coords.x1 + lv_obj_get_width(obj) / 2; 758 center.y = obj->coords.y1 + lv_obj_get_height(obj) / 2; 759 760 lv_draw_rect_dsc_t draw_dsc; 761 lv_draw_rect_dsc_init(&draw_dsc); 762 draw_dsc.bg_opa = LV_OPA_COVER; 763 764 uint16_t r[64]; 765 uint32_t i; 766 767 lv_coord_t min_a = 5; 768 #if LV_DEMO_MUSIC_LARGE == 0 769 lv_coord_t r_in = 77; 770 #else 771 lv_coord_t r_in = 160; 772 #endif 773 r_in = (r_in * lv_img_get_zoom(album_img_obj)) >> 8; 774 for(i = 0; i < BAR_CNT; i++) r[i] = r_in + min_a; 775 776 uint32_t s; 777 for(s = 0; s < 4; s++) { 778 uint32_t f; 779 uint32_t band_w = 0; /*Real number of bars in this band.*/ 780 switch(s) { 781 case 0: 782 band_w = 20; 783 break; 784 case 1: 785 band_w = 8; 786 break; 787 case 2: 788 band_w = 4; 789 break; 790 case 3: 791 band_w = 2; 792 break; 793 } 794 795 /* Add "side bars" with cosine characteristic.*/ 796 for(f = 0; f < band_w; f++) { 797 uint32_t ampl_main = spectrum[spectrum_i][s]; 798 int32_t ampl_mod = get_cos(f * 360 / band_w + 180, 180) + 180; 799 int32_t t = BAR_PER_BAND_CNT * s - band_w / 2 + f; 800 if(t < 0) t = BAR_CNT + t; 801 if(t >= BAR_CNT) t = t - BAR_CNT; 802 r[t] += (ampl_main * ampl_mod) >> 9; 803 } 804 } 805 806 uint32_t amax = 20; 807 int32_t animv = spectrum_i - spectrum_lane_ofs_start; 808 if(animv > amax) animv = amax; 809 for(i = 0; i < BAR_CNT; i++) { 810 uint32_t deg_space = 1; 811 uint32_t deg = i * DEG_STEP + 90; 812 uint32_t j = (i + bar_rot + rnd_array[bar_ofs % 10]) % BAR_CNT; 813 uint32_t k = (i + bar_rot + rnd_array[(bar_ofs + 1) % 10]) % BAR_CNT; 814 815 uint32_t v = (r[k] * animv + r[j] * (amax - animv)) / amax; 816 if(start_anim) { 817 v = r_in + start_anim_values[i]; 818 deg_space = v >> 7; 819 if(deg_space < 1) deg_space = 1; 820 } 821 822 if(v < BAR_COLOR1_STOP) draw_dsc.bg_color = BAR_COLOR1; 823 else if(v > BAR_COLOR3_STOP) draw_dsc.bg_color = BAR_COLOR3; 824 else if(v > BAR_COLOR2_STOP) draw_dsc.bg_color = lv_color_mix(BAR_COLOR3, BAR_COLOR2, 825 ((v - BAR_COLOR2_STOP) * 255) / (BAR_COLOR3_STOP - BAR_COLOR2_STOP)); 826 else draw_dsc.bg_color = lv_color_mix(BAR_COLOR2, BAR_COLOR1, 827 ((v - BAR_COLOR1_STOP) * 255) / (BAR_COLOR2_STOP - BAR_COLOR1_STOP)); 828 829 uint32_t di = deg + deg_space; 830 831 int32_t x1_out = get_cos(di, v); 832 poly[0].x = center.x + x1_out; 833 poly[0].y = center.y + get_sin(di, v); 834 835 int32_t x1_in = get_cos(di, r_in); 836 poly[1].x = center.x + x1_in; 837 poly[1].y = center.y + get_sin(di, r_in); 838 di += DEG_STEP - deg_space * 2; 839 840 int32_t x2_in = get_cos(di, r_in); 841 poly[2].x = center.x + x2_in; 842 poly[2].y = center.y + get_sin(di, r_in); 843 844 int32_t x2_out = get_cos(di, v); 845 poly[3].x = center.x + x2_out; 846 poly[3].y = center.y + get_sin(di, v); 847 848 lv_draw_polygon(draw_ctx, &draw_dsc, poly, 4); 849 850 poly[0].x = center.x - x1_out; 851 poly[1].x = center.x - x1_in; 852 poly[2].x = center.x - x2_in; 853 poly[3].x = center.x - x2_out; 854 lv_draw_polygon(draw_ctx, &draw_dsc, poly, 4); 855 } 856 } 857 } 858 859 static void spectrum_anim_cb(void * a, int32_t v) 860 { 861 lv_obj_t * obj = a; 862 if(start_anim) { 863 lv_obj_invalidate(obj); 864 return; 865 } 866 867 spectrum_i = v; 868 lv_obj_invalidate(obj); 869 870 static uint32_t bass_cnt = 0; 871 static int32_t last_bass = -1000; 872 static int32_t dir = 1; 873 if(spectrum[spectrum_i][0] > 12) { 874 if(spectrum_i - last_bass > 5) { 875 bass_cnt++; 876 last_bass = spectrum_i; 877 if(bass_cnt >= 2) { 878 bass_cnt = 0; 879 spectrum_lane_ofs_start = spectrum_i; 880 bar_ofs++; 881 } 882 } 883 } 884 if(spectrum[spectrum_i][0] < 4) bar_rot += dir; 885 886 lv_img_set_zoom(album_img_obj, LV_IMG_ZOOM_NONE + spectrum[spectrum_i][0]); 887 } 888 889 static void start_anim_cb(void * a, int32_t v) 890 { 891 lv_coord_t * av = a; 892 *av = v; 893 lv_obj_invalidate(spectrum_obj); 894 } 895 896 static lv_obj_t * album_img_create(lv_obj_t * parent) 897 { 898 LV_IMG_DECLARE(img_lv_demo_music_cover_1); 899 LV_IMG_DECLARE(img_lv_demo_music_cover_2); 900 LV_IMG_DECLARE(img_lv_demo_music_cover_3); 901 902 lv_obj_t * img; 903 img = lv_img_create(parent); 904 905 switch(track_id) { 906 case 2: 907 lv_img_set_src(img, &img_lv_demo_music_cover_3); 908 spectrum = spectrum_3; 909 spectrum_len = sizeof(spectrum_3) / sizeof(spectrum_3[0]); 910 break; 911 case 1: 912 lv_img_set_src(img, &img_lv_demo_music_cover_2); 913 spectrum = spectrum_2; 914 spectrum_len = sizeof(spectrum_2) / sizeof(spectrum_2[0]); 915 break; 916 case 0: 917 lv_img_set_src(img, &img_lv_demo_music_cover_1); 918 spectrum = spectrum_1; 919 spectrum_len = sizeof(spectrum_1) / sizeof(spectrum_1[0]); 920 break; 921 } 922 lv_img_set_antialias(img, false); 923 lv_obj_align(img, LV_ALIGN_CENTER, 0, 0); 924 lv_obj_add_event_cb(img, album_gesture_event_cb, LV_EVENT_GESTURE, NULL); 925 lv_obj_clear_flag(img, LV_OBJ_FLAG_GESTURE_BUBBLE); 926 lv_obj_add_flag(img, LV_OBJ_FLAG_CLICKABLE); 927 928 return img; 929 930 } 931 932 static void album_gesture_event_cb(lv_event_t * e) 933 { 934 lv_dir_t dir = lv_indev_get_gesture_dir(lv_indev_get_act()); 935 if(dir == LV_DIR_LEFT) _lv_demo_music_album_next(true); 936 if(dir == LV_DIR_RIGHT) _lv_demo_music_album_next(false); 937 } 938 939 static void play_event_click_cb(lv_event_t * e) 940 { 941 lv_obj_t * obj = lv_event_get_target(e); 942 if(lv_obj_has_state(obj, LV_STATE_CHECKED)) { 943 _lv_demo_music_resume(); 944 } 945 else { 946 _lv_demo_music_pause(); 947 } 948 } 949 950 static void prev_click_event_cb(lv_event_t * e) 951 { 952 LV_UNUSED(e); 953 _lv_demo_music_album_next(false); 954 } 955 956 static void next_click_event_cb(lv_event_t * e) 957 { 958 lv_event_code_t code = lv_event_get_code(e); 959 if(code == LV_EVENT_CLICKED) { 960 _lv_demo_music_album_next(true); 961 } 962 } 963 964 965 static void timer_cb(lv_timer_t * t) 966 { 967 LV_UNUSED(t); 968 time_act++; 969 lv_label_set_text_fmt(time_obj, "%"LV_PRIu32":%02"LV_PRIu32, time_act / 60, time_act % 60); 970 lv_slider_set_value(slider_obj, time_act, LV_ANIM_ON); 971 } 972 973 static void spectrum_end_cb(lv_anim_t * a) 974 { 975 LV_UNUSED(a); 976 _lv_demo_music_album_next(true); 977 } 978 979 980 static void stop_start_anim(lv_timer_t * t) 981 { 982 LV_UNUSED(t); 983 start_anim = false; 984 lv_obj_refresh_ext_draw_size(spectrum_obj); 985 } 986 #endif /*LV_USE_DEMO_MUSIC*/ 987