├── screenshot.png ├── .gitmodules ├── CMakeLists.txt ├── main.c ├── README.md ├── lv_drv_conf.h ├── lv_conf.h └── COPYING /screenshot.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/rainlab-inc/lvgl-opengl/HEAD/screenshot.png -------------------------------------------------------------------------------- /.gitmodules: -------------------------------------------------------------------------------- 1 | [submodule "lvgl"] 2 | path = lvgl 3 | url = ../lvgl.git 4 | branch = gles 5 | ignore = all 6 | [submodule "lv_drivers"] 7 | path = lv_drivers 8 | url = ../lv_drivers.git 9 | branch = gles 10 | ignore = all 11 | -------------------------------------------------------------------------------- /CMakeLists.txt: -------------------------------------------------------------------------------- 1 | cmake_minimum_required(VERSION 3.14) 2 | 3 | project(lvgl-opengl) 4 | 5 | INCLUDE_DIRECTORIES(${PROJECT_SOURCE_DIR}) 6 | 7 | add_compile_definitions(LV_CONF_INCLUDE_SIMPLE) 8 | 9 | add_subdirectory(lvgl) 10 | add_subdirectory(lv_drivers) 11 | 12 | add_executable(lvgl-opengl main.c) 13 | 14 | set(LV_CONF_PATH 15 | ${CMAKE_CURRENT_SOURCE_DIR} 16 | CACHE STRING "" FORCE) 17 | 18 | 19 | target_link_libraries(lvgl epoxy) 20 | target_link_libraries(lv_drivers epoxy SDL2 pthread) 21 | 22 | target_link_libraries(lvgl-opengl lvgl::lvgl lvgl::examples lvgl::demos lv_drivers) 23 | -------------------------------------------------------------------------------- /main.c: -------------------------------------------------------------------------------- 1 | #include "lv_drivers/sdl/sdl_gles.h" 2 | #include "lvgl/examples/lv_examples.h" 3 | #include "lvgl/demos/lv_demos.h" 4 | 5 | #define _DEFAULT_SOURCE 6 | #include 7 | 8 | #include 9 | 10 | 11 | 12 | static void hal_init(void) 13 | { 14 | sdl_gles_init(); 15 | static lv_disp_draw_buf_t draw_buf; 16 | sdl_gles_disp_draw_buf_init(&draw_buf); 17 | static lv_disp_drv_t disp_drv; 18 | sdl_gles_disp_drv_init(&disp_drv, &draw_buf); 19 | lv_disp_t *disp = lv_disp_drv_register(&disp_drv); 20 | 21 | lv_theme_t * th = lv_theme_default_init(disp, lv_palette_main(LV_PALETTE_BLUE), 22 | lv_palette_main(LV_PALETTE_RED), LV_THEME_DEFAULT_DARK, LV_FONT_DEFAULT); 23 | lv_disp_set_theme(disp, th); 24 | 25 | lv_group_t * g = lv_group_create(); 26 | lv_group_set_default(g); 27 | 28 | static lv_indev_drv_t indev_drv_1; 29 | lv_indev_drv_init(&indev_drv_1); 30 | indev_drv_1.type = LV_INDEV_TYPE_POINTER; 31 | indev_drv_1.read_cb = sdl_gles_mouse_read; 32 | lv_indev_t *mouse_indev = lv_indev_drv_register(&indev_drv_1); 33 | 34 | static lv_indev_drv_t indev_drv_2; 35 | lv_indev_drv_init(&indev_drv_2); /*Basic initialization*/ 36 | indev_drv_2.type = LV_INDEV_TYPE_KEYPAD; 37 | indev_drv_2.read_cb = sdl_gles_keyboard_read; 38 | lv_indev_t *kb_indev = lv_indev_drv_register(&indev_drv_2); 39 | lv_indev_set_group(kb_indev, g); 40 | } 41 | 42 | 43 | int main() 44 | { 45 | lv_init(); 46 | hal_init(); 47 | 48 | 49 | lv_demo_widgets(); 50 | 51 | 52 | while (1) { 53 | lv_timer_handler(); 54 | usleep(5 * 1000); 55 | } 56 | 57 | return EXIT_SUCCESS; 58 | } 59 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # lvgl-opengl 2 | 3 | This is an example SDL application for OpenGL ES 2.0 implementation for [LVGL](https://github.com/lvgl/lvgl) aimed for to run on PinePhone. 4 | 5 | OpenGL ES 2.0 fork of the LVGL can be found [here](https://github.com/rainlab-inc/lvgl). 6 | 7 | SDL Driver can be found [here](https://github.com/rainlab-inc/lv_drivers). 8 | 9 | ## Screenshot 10 | ![screenshot](screenshot.png) 11 | 12 | ## Quick Start 13 | 14 | ### Requirements 15 | * OpenGL ES >= 2.0 16 | * cmake 17 | * SDL2 18 | * libepoxy 19 | 20 | ### Cloning the repository 21 | ``` console 22 | $ git clone https://github.com/rainlab-inc/lvgl-opengl 23 | $ cd lvgl-opengl 24 | $ git submodule update --init --remote --recursive 25 | ``` 26 | 27 | ### Building 28 | #### CMake 29 | ``` console 30 | $ mkdir build 31 | $ cd build 32 | $ cmake .. 33 | $ make -j4 34 | $ ./lvgl-opengl 35 | ``` 36 | 37 | ## Draw Functions 38 | ### Rectangle 39 | - draw_shadow 40 | - draw_bg 41 | * plain rect :white_check_mark: 42 | * radius mask :white_check_mark: 43 | * **TODO**: more efficient corner rendering (Use same buffer for all 9 pieces per rectangle.) 44 | * **TODO**: do antialiasing with respect to radius, not with an arbitrary constant, 45 | * **TODO**: other masks? gradients? 46 | - draw_bg_img 47 | * maybe call draw_img with rect borders? 48 | - draw_border 49 | - draw_outline 50 | ### Image 51 | - Hash textures with LRU cache :white_check_mark: 52 | - draw_img :white_check_mark: 53 | * **TODO**: hash textures, avoid creating same textures if they are used more than once. :white_check_mark: 54 | * **TODO**: handle recolor operation more wisely 55 | * **TODO**: handle masks 56 | ### Letter 57 | - Hash glyphs with LRU cache :white_check_mark: 58 | - **TODO**: Look for pixel perfect alignment for glitches. 59 | - **TODO**: Test for CJK characters. 60 | - **TODO**: Pack glyphs to efficient rendering. 61 | 62 | ### Arc 63 | **TODO**: Look for how to draw efficient arcs with GL. 64 | ### Line 65 | **TODO**: It will be probably easy - efficient if we draw with shaders. 66 | ### Polygon 67 | **TODO**: Look which components use draw polygon. 68 | -------------------------------------------------------------------------------- /lv_drv_conf.h: -------------------------------------------------------------------------------- 1 | /** 2 | * @file lv_drv_conf.h 3 | * Configuration file for v8.2.0 4 | */ 5 | 6 | /* 7 | * COPY THIS FILE AS lv_drv_conf.h 8 | */ 9 | 10 | /* clang-format off */ 11 | #if 1 /*Set it to "1" to enable the content*/ 12 | 13 | #ifndef LV_DRV_CONF_H 14 | #define LV_DRV_CONF_H 15 | 16 | #include "lv_conf.h" 17 | 18 | /********************* 19 | * DELAY INTERFACE 20 | *********************/ 21 | #define LV_DRV_DELAY_INCLUDE /*Dummy include by default*/ 22 | #define LV_DRV_DELAY_US(us) /*delay_us(us)*/ /*Delay the given number of microseconds*/ 23 | #define LV_DRV_DELAY_MS(ms) /*delay_ms(ms)*/ /*Delay the given number of milliseconds*/ 24 | 25 | /********************* 26 | * DISPLAY INTERFACE 27 | *********************/ 28 | 29 | /*------------ 30 | * Common 31 | *------------*/ 32 | #define LV_DRV_DISP_INCLUDE /*Dummy include by default*/ 33 | #define LV_DRV_DISP_CMD_DATA(val) /*pin_x_set(val)*/ /*Set the command/data pin to 'val'*/ 34 | #define LV_DRV_DISP_RST(val) /*pin_x_set(val)*/ /*Set the reset pin to 'val'*/ 35 | 36 | /*--------- 37 | * SPI 38 | *---------*/ 39 | #define LV_DRV_DISP_SPI_CS(val) /*spi_cs_set(val)*/ /*Set the SPI's Chip select to 'val'*/ 40 | #define LV_DRV_DISP_SPI_WR_BYTE(data) /*spi_wr(data)*/ /*Write a byte the SPI bus*/ 41 | #define LV_DRV_DISP_SPI_WR_ARRAY(adr, n) /*spi_wr_mem(adr, n)*/ /*Write 'n' bytes to SPI bus from 'adr'*/ 42 | 43 | /*------------------ 44 | * Parallel port 45 | *-----------------*/ 46 | #define LV_DRV_DISP_PAR_CS(val) /*par_cs_set(val)*/ /*Set the Parallel port's Chip select to 'val'*/ 47 | #define LV_DRV_DISP_PAR_SLOW /*par_slow()*/ /*Set low speed on the parallel port*/ 48 | #define LV_DRV_DISP_PAR_FAST /*par_fast()*/ /*Set high speed on the parallel port*/ 49 | #define LV_DRV_DISP_PAR_WR_WORD(data) /*par_wr(data)*/ /*Write a word to the parallel port*/ 50 | #define LV_DRV_DISP_PAR_WR_ARRAY(adr, n) /*par_wr_mem(adr,n)*/ /*Write 'n' bytes to Parallel ports from 'adr'*/ 51 | 52 | /*************************** 53 | * INPUT DEVICE INTERFACE 54 | ***************************/ 55 | 56 | /*---------- 57 | * Common 58 | *----------*/ 59 | #define LV_DRV_INDEV_INCLUDE /*Dummy include by default*/ 60 | #define LV_DRV_INDEV_RST(val) /*pin_x_set(val)*/ /*Set the reset pin to 'val'*/ 61 | #define LV_DRV_INDEV_IRQ_READ 0 /*pn_x_read()*/ /*Read the IRQ pin*/ 62 | 63 | /*--------- 64 | * SPI 65 | *---------*/ 66 | #define LV_DRV_INDEV_SPI_CS(val) /*spi_cs_set(val)*/ /*Set the SPI's Chip select to 'val'*/ 67 | #define LV_DRV_INDEV_SPI_XCHG_BYTE(data) 0 /*spi_xchg(val)*/ /*Write 'val' to SPI and give the read value*/ 68 | 69 | /*--------- 70 | * I2C 71 | *---------*/ 72 | #define LV_DRV_INDEV_I2C_START /*i2c_start()*/ /*Make an I2C start*/ 73 | #define LV_DRV_INDEV_I2C_STOP /*i2c_stop()*/ /*Make an I2C stop*/ 74 | #define LV_DRV_INDEV_I2C_RESTART /*i2c_restart()*/ /*Make an I2C restart*/ 75 | #define LV_DRV_INDEV_I2C_WR(data) /*i2c_wr(data)*/ /*Write a byte to the I1C bus*/ 76 | #define LV_DRV_INDEV_I2C_READ(last_read) 0 /*i2c_rd()*/ /*Read a byte from the I2C bud*/ 77 | 78 | 79 | /********************* 80 | * DISPLAY DRIVERS 81 | *********************/ 82 | 83 | /*------------------- 84 | * SDL 85 | *-------------------*/ 86 | 87 | /* SDL based drivers for display, mouse, mousewheel and keyboard*/ 88 | #ifndef USE_SDL 89 | # define USE_SDL 0 90 | #endif 91 | 92 | /* Hardware accelerated SDL driver */ 93 | #ifndef USE_SDL_GPU 94 | # define USE_SDL_GPU 0 95 | #endif 96 | 97 | /* Use GLES renderer driver */ 98 | #ifndef USE_SDL_GLES 99 | # define USE_SDL_GLES 1 100 | #endif 101 | 102 | #if USE_SDL || USE_SDL_GPU || USE_SDL_GLES 103 | # define SDL_HOR_RES 800 104 | # define SDL_VER_RES 600 105 | 106 | /* Scale window by this factor (useful when simulating small screens) */ 107 | # define SDL_ZOOM 1 108 | 109 | /* Used to test true double buffering with only address changing. 110 | * Use 2 draw buffers, bith with SDL_HOR_RES x SDL_VER_RES size*/ 111 | # define SDL_DOUBLE_BUFFERED 0 112 | 113 | /*Eclipse: Visual Studio: */ 114 | # define SDL_INCLUDE_PATH 115 | 116 | /*Open two windows to test multi display support*/ 117 | # define SDL_DUAL_DISPLAY 0 118 | #endif 119 | 120 | /*------------------- 121 | * Monitor of PC 122 | *-------------------*/ 123 | 124 | /*DEPRECATED: Use the SDL driver instead. */ 125 | #ifndef USE_MONITOR 126 | # define USE_MONITOR 0 127 | #endif 128 | 129 | #if USE_MONITOR 130 | # define MONITOR_HOR_RES 480 131 | # define MONITOR_VER_RES 320 132 | 133 | /* Scale window by this factor (useful when simulating small screens) */ 134 | # define MONITOR_ZOOM 1 135 | 136 | /* Used to test true double buffering with only address changing. 137 | * Use 2 draw buffers, bith with MONITOR_HOR_RES x MONITOR_VER_RES size*/ 138 | # define MONITOR_DOUBLE_BUFFERED 0 139 | 140 | /*Eclipse: Visual Studio: */ 141 | # define MONITOR_SDL_INCLUDE_PATH 142 | 143 | /*Open two windows to test multi display support*/ 144 | # define MONITOR_DUAL 0 145 | #endif 146 | 147 | /*----------------------------------- 148 | * Native Windows (including mouse) 149 | *----------------------------------*/ 150 | #ifndef USE_WINDOWS 151 | # define USE_WINDOWS 0 152 | #endif 153 | 154 | #if USE_WINDOWS 155 | # define WINDOW_HOR_RES 480 156 | # define WINDOW_VER_RES 320 157 | #endif 158 | 159 | /*---------------------------- 160 | * Native Windows (win32drv) 161 | *---------------------------*/ 162 | #ifndef USE_WIN32DRV 163 | # define USE_WIN32DRV 0 164 | #endif 165 | 166 | #if USE_WIN32DRV 167 | /* Scale window by this factor (useful when simulating small screens) */ 168 | # define WIN32DRV_MONITOR_ZOOM 1 169 | #endif 170 | 171 | /*---------------------------------------- 172 | * GTK drivers (monitor, mouse, keyboard 173 | *---------------------------------------*/ 174 | #ifndef USE_GTK 175 | # define USE_GTK 0 176 | #endif 177 | 178 | /*---------------------------------------- 179 | * Wayland drivers (monitor, mouse, keyboard, touchscreen) 180 | *---------------------------------------*/ 181 | #ifndef USE_WAYLAND 182 | # define USE_WAYLAND 0 183 | #endif 184 | 185 | #if USE_WAYLAND 186 | /* Support for client-side decorations */ 187 | # ifndef LV_WAYLAND_CLIENT_SIDE_DECORATIONS 188 | # define LV_WAYLAND_CLIENT_SIDE_DECORATIONS 1 189 | # endif 190 | /* Support for (deprecated) wl-shell protocol */ 191 | # ifndef LV_WAYLAND_WL_SHELL 192 | # define LV_WAYLAND_WL_SHELL 1 193 | # endif 194 | /* Support for xdg-shell protocol */ 195 | # ifndef LV_WAYLAND_XDG_SHELL 196 | # define LV_WAYLAND_XDG_SHELL 0 197 | # endif 198 | #endif 199 | 200 | /*---------------- 201 | * SSD1963 202 | *--------------*/ 203 | #ifndef USE_SSD1963 204 | # define USE_SSD1963 0 205 | #endif 206 | 207 | #if USE_SSD1963 208 | # define SSD1963_HOR_RES LV_HOR_RES 209 | # define SSD1963_VER_RES LV_VER_RES 210 | # define SSD1963_HT 531 211 | # define SSD1963_HPS 43 212 | # define SSD1963_LPS 8 213 | # define SSD1963_HPW 10 214 | # define SSD1963_VT 288 215 | # define SSD1963_VPS 12 216 | # define SSD1963_FPS 4 217 | # define SSD1963_VPW 10 218 | # define SSD1963_HS_NEG 0 /*Negative hsync*/ 219 | # define SSD1963_VS_NEG 0 /*Negative vsync*/ 220 | # define SSD1963_ORI 0 /*0, 90, 180, 270*/ 221 | # define SSD1963_COLOR_DEPTH 16 222 | #endif 223 | 224 | /*---------------- 225 | * R61581 226 | *--------------*/ 227 | #ifndef USE_R61581 228 | # define USE_R61581 0 229 | #endif 230 | 231 | #if USE_R61581 232 | # define R61581_HOR_RES LV_HOR_RES 233 | # define R61581_VER_RES LV_VER_RES 234 | # define R61581_HSPL 0 /*HSYNC signal polarity*/ 235 | # define R61581_HSL 10 /*HSYNC length (Not Implemented)*/ 236 | # define R61581_HFP 10 /*Horitontal Front poarch (Not Implemented)*/ 237 | # define R61581_HBP 10 /*Horitontal Back poarch (Not Implemented */ 238 | # define R61581_VSPL 0 /*VSYNC signal polarity*/ 239 | # define R61581_VSL 10 /*VSYNC length (Not Implemented)*/ 240 | # define R61581_VFP 8 /*Vertical Front poarch*/ 241 | # define R61581_VBP 8 /*Vertical Back poarch */ 242 | # define R61581_DPL 0 /*DCLK signal polarity*/ 243 | # define R61581_EPL 1 /*ENABLE signal polarity*/ 244 | # define R61581_ORI 0 /*0, 180*/ 245 | # define R61581_LV_COLOR_DEPTH 16 /*Fix 16 bit*/ 246 | #endif 247 | 248 | /*------------------------------ 249 | * ST7565 (Monochrome, low res.) 250 | *-----------------------------*/ 251 | #ifndef USE_ST7565 252 | # define USE_ST7565 0 253 | #endif 254 | 255 | #if USE_ST7565 256 | /*No settings*/ 257 | #endif /*USE_ST7565*/ 258 | 259 | /*------------------------------ 260 | * GC9A01 (color, low res.) 261 | *-----------------------------*/ 262 | #ifndef USE_GC9A01 263 | # define USE_GC9A01 0 264 | #endif 265 | 266 | #if USE_GC9A01 267 | /*No settings*/ 268 | #endif /*USE_GC9A01*/ 269 | 270 | /*------------------------------------------ 271 | * UC1610 (4 gray 160*[104|128]) 272 | * (EA DOGXL160 160x104 tested) 273 | *-----------------------------------------*/ 274 | #ifndef USE_UC1610 275 | # define USE_UC1610 0 276 | #endif 277 | 278 | #if USE_UC1610 279 | # define UC1610_HOR_RES LV_HOR_RES 280 | # define UC1610_VER_RES LV_VER_RES 281 | # define UC1610_INIT_CONTRAST 33 /* init contrast, values in [%] */ 282 | # define UC1610_INIT_HARD_RST 0 /* 1 : hardware reset at init, 0 : software reset */ 283 | # define UC1610_TOP_VIEW 0 /* 0 : Bottom View, 1 : Top View */ 284 | #endif /*USE_UC1610*/ 285 | 286 | /*------------------------------------------------- 287 | * SHARP memory in pixel monochrome display series 288 | * LS012B7DD01 (184x38 pixels.) 289 | * LS013B7DH03 (128x128 pixels.) 290 | * LS013B7DH05 (144x168 pixels.) 291 | * LS027B7DH01 (400x240 pixels.) (tested) 292 | * LS032B7DD02 (336x536 pixels.) 293 | * LS044Q7DH01 (320x240 pixels.) 294 | *------------------------------------------------*/ 295 | #ifndef USE_SHARP_MIP 296 | # define USE_SHARP_MIP 0 297 | #endif 298 | 299 | #if USE_SHARP_MIP 300 | # define SHARP_MIP_HOR_RES LV_HOR_RES 301 | # define SHARP_MIP_VER_RES LV_VER_RES 302 | # define SHARP_MIP_SOFT_COM_INVERSION 0 303 | # define SHARP_MIP_REV_BYTE(b) /*((uint8_t) __REV(__RBIT(b)))*/ /*Architecture / compiler dependent byte bits order reverse*/ 304 | #endif /*USE_SHARP_MIP*/ 305 | 306 | /*------------------------------------------------- 307 | * ILI9341 240X320 TFT LCD 308 | *------------------------------------------------*/ 309 | #ifndef USE_ILI9341 310 | # define USE_ILI9341 0 311 | #endif 312 | 313 | #if USE_ILI9341 314 | # define ILI9341_HOR_RES LV_HOR_RES 315 | # define ILI9341_VER_RES LV_VER_RES 316 | # define ILI9341_GAMMA 1 317 | # define ILI9341_TEARING 0 318 | #endif /*USE_ILI9341*/ 319 | 320 | /*----------------------------------------- 321 | * Linux frame buffer device (/dev/fbx) 322 | *-----------------------------------------*/ 323 | #ifndef USE_FBDEV 324 | # define USE_FBDEV 0 325 | #endif 326 | 327 | #if USE_FBDEV 328 | # define FBDEV_PATH "/dev/fb0" 329 | #endif 330 | 331 | /*----------------------------------------- 332 | * FreeBSD frame buffer device (/dev/fbx) 333 | *.........................................*/ 334 | #ifndef USE_BSD_FBDEV 335 | # define USE_BSD_FBDEV 0 336 | #endif 337 | 338 | #if USE_BSD_FBDEV 339 | # define FBDEV_PATH "/dev/fb0" 340 | #endif 341 | 342 | /*----------------------------------------- 343 | * DRM/KMS device (/dev/dri/cardX) 344 | *-----------------------------------------*/ 345 | #ifndef USE_DRM 346 | # define USE_DRM 0 347 | #endif 348 | 349 | #if USE_DRM 350 | # define DRM_CARD "/dev/dri/card0" 351 | # define DRM_CONNECTOR_ID -1 /* -1 for the first connected one */ 352 | #endif 353 | 354 | /********************* 355 | * INPUT DEVICES 356 | *********************/ 357 | 358 | /*-------------- 359 | * XPT2046 360 | *--------------*/ 361 | #ifndef USE_XPT2046 362 | # define USE_XPT2046 0 363 | #endif 364 | 365 | #if USE_XPT2046 366 | # define XPT2046_HOR_RES 480 367 | # define XPT2046_VER_RES 320 368 | # define XPT2046_X_MIN 200 369 | # define XPT2046_Y_MIN 200 370 | # define XPT2046_X_MAX 3800 371 | # define XPT2046_Y_MAX 3800 372 | # define XPT2046_AVG 4 373 | # define XPT2046_X_INV 0 374 | # define XPT2046_Y_INV 0 375 | # define XPT2046_XY_SWAP 0 376 | #endif 377 | 378 | /*----------------- 379 | * FT5406EE8 380 | *-----------------*/ 381 | #ifndef USE_FT5406EE8 382 | # define USE_FT5406EE8 0 383 | #endif 384 | 385 | #if USE_FT5406EE8 386 | # define FT5406EE8_I2C_ADR 0x38 /*7 bit address*/ 387 | #endif 388 | 389 | /*--------------- 390 | * AD TOUCH 391 | *--------------*/ 392 | #ifndef USE_AD_TOUCH 393 | # define USE_AD_TOUCH 0 394 | #endif 395 | 396 | #if USE_AD_TOUCH 397 | /*No settings*/ 398 | #endif 399 | 400 | 401 | /*--------------------------------------- 402 | * Mouse or touchpad on PC (using SDL) 403 | *-------------------------------------*/ 404 | /*DEPRECATED: Use the SDL driver instead. */ 405 | #ifndef USE_MOUSE 406 | # define USE_MOUSE 0 407 | #endif 408 | 409 | #if USE_MOUSE 410 | /*No settings*/ 411 | #endif 412 | 413 | /*------------------------------------------- 414 | * Mousewheel as encoder on PC (using SDL) 415 | *------------------------------------------*/ 416 | /*DEPRECATED: Use the SDL driver instead. */ 417 | #ifndef USE_MOUSEWHEEL 418 | # define USE_MOUSEWHEEL 0 419 | #endif 420 | 421 | #if USE_MOUSEWHEEL 422 | /*No settings*/ 423 | #endif 424 | 425 | /*------------------------------------------------- 426 | * Touchscreen, mouse/touchpad or keyboard as libinput interface (for Linux based systems) 427 | *------------------------------------------------*/ 428 | #ifndef USE_LIBINPUT 429 | # define USE_LIBINPUT 0 430 | #endif 431 | 432 | #ifndef USE_BSD_LIBINPUT 433 | # define USE_BSD_LIBINPUT 0 434 | #endif 435 | 436 | #if USE_LIBINPUT || USE_BSD_LIBINPUT 437 | /*If only a single device of the same type is connected, you can also auto detect it, e.g.: 438 | *#define LIBINPUT_NAME libinput_find_dev(LIBINPUT_CAPABILITY_TOUCH, false)*/ 439 | # define LIBINPUT_NAME "/dev/input/event0" /*You can use the "evtest" Linux tool to get the list of devices and test them*/ 440 | 441 | #endif /*USE_LIBINPUT || USE_BSD_LIBINPUT*/ 442 | 443 | /*------------------------------------------------- 444 | * Mouse or touchpad as evdev interface (for Linux based systems) 445 | *------------------------------------------------*/ 446 | #ifndef USE_EVDEV 447 | # define USE_EVDEV 0 448 | #endif 449 | 450 | #ifndef USE_BSD_EVDEV 451 | # define USE_BSD_EVDEV 0 452 | #endif 453 | 454 | #if USE_EVDEV || USE_BSD_EVDEV 455 | # define EVDEV_NAME "/dev/input/event0" /*You can use the "evtest" Linux tool to get the list of devices and test them*/ 456 | # define EVDEV_SWAP_AXES 0 /*Swap the x and y axes of the touchscreen*/ 457 | 458 | # define EVDEV_CALIBRATE 0 /*Scale and offset the touchscreen coordinates by using maximum and minimum values for each axis*/ 459 | 460 | # if EVDEV_CALIBRATE 461 | # define EVDEV_HOR_MIN 0 /*to invert axis swap EVDEV_XXX_MIN by EVDEV_XXX_MAX*/ 462 | # define EVDEV_HOR_MAX 4096 /*"evtest" Linux tool can help to get the correct calibraion values>*/ 463 | # define EVDEV_VER_MIN 0 464 | # define EVDEV_VER_MAX 4096 465 | # endif /*EVDEV_CALIBRATE*/ 466 | #endif /*USE_EVDEV*/ 467 | 468 | /*------------------------------------------------- 469 | * Full keyboard support for evdev and libinput interface 470 | *------------------------------------------------*/ 471 | # ifndef USE_XKB 472 | # define USE_XKB 0 473 | # endif 474 | 475 | #if USE_LIBINPUT || USE_BSD_LIBINPUT || USE_EVDEV || USE_BSD_EVDEV 476 | # if USE_XKB 477 | # define XKB_KEY_MAP { .rules = NULL, \ 478 | .model = "pc101", \ 479 | .layout = "us", \ 480 | .variant = NULL, \ 481 | .options = NULL } /*"setxkbmap -query" can help find the right values for your keyboard*/ 482 | # endif /*USE_XKB*/ 483 | #endif /*USE_LIBINPUT || USE_BSD_LIBINPUT || USE_EVDEV || USE_BSD_EVDEV*/ 484 | 485 | /*------------------------------- 486 | * Keyboard of a PC (using SDL) 487 | *------------------------------*/ 488 | /*DEPRECATED: Use the SDL driver instead. */ 489 | #ifndef USE_KEYBOARD 490 | # define USE_KEYBOARD 0 491 | #endif 492 | 493 | #if USE_KEYBOARD 494 | /*No settings*/ 495 | #endif 496 | 497 | #endif /*LV_DRV_CONF_H*/ 498 | 499 | #endif /*End of "Content enable"*/ 500 | -------------------------------------------------------------------------------- /lv_conf.h: -------------------------------------------------------------------------------- 1 | /** 2 | * @file lv_conf.h 3 | * Configuration file for v8.2.0 4 | */ 5 | 6 | /* 7 | * Copy this file as `lv_conf.h` 8 | * 1. simply next to the `lvgl` folder 9 | * 2. or any other places and 10 | * - define `LV_CONF_INCLUDE_SIMPLE` 11 | * - add the path as include path 12 | */ 13 | 14 | /* clang-format off */ 15 | #if 1 /*Set it to "1" to enable content*/ 16 | 17 | #ifndef LV_CONF_H 18 | #define LV_CONF_H 19 | 20 | #include 21 | 22 | /*==================== 23 | COLOR SETTINGS 24 | *====================*/ 25 | 26 | /*Color depth: 1 (1 byte per pixel), 8 (RGB332), 16 (RGB565), 32 (ARGB8888)*/ 27 | #define LV_COLOR_DEPTH 32 28 | 29 | /*Swap the 2 bytes of RGB565 color. Useful if the display has an 8-bit interface (e.g. SPI)*/ 30 | #define LV_COLOR_16_SWAP 0 31 | 32 | /*Enable more complex drawing routines to manage screens transparency. 33 | *Can be used if the UI is above another layer, e.g. an OSD menu or video player. 34 | *Requires `LV_COLOR_DEPTH = 32` colors and the screen's `bg_opa` should be set to non LV_OPA_COVER value*/ 35 | #define LV_COLOR_SCREEN_TRANSP 0 36 | 37 | /* Adjust color mix functions rounding. GPUs might calculate color mix (blending) differently. 38 | * 0: round down, 64: round up from x.75, 128: round up from half, 192: round up from x.25, 254: round up */ 39 | #define LV_COLOR_MIX_ROUND_OFS (LV_COLOR_DEPTH == 32 ? 0: 128) 40 | 41 | /*Images pixels with this color will not be drawn if they are chroma keyed)*/ 42 | #define LV_COLOR_CHROMA_KEY lv_color_hex(0x00ff00) /*pure green*/ 43 | 44 | /*========================= 45 | MEMORY SETTINGS 46 | *=========================*/ 47 | 48 | /*1: use custom malloc/free, 0: use the built-in `lv_mem_alloc()` and `lv_mem_free()`*/ 49 | #define LV_MEM_CUSTOM 0 50 | #if LV_MEM_CUSTOM == 0 51 | /*Size of the memory available for `lv_mem_alloc()` in bytes (>= 2kB)*/ 52 | #define LV_MEM_SIZE (1024U * 1024U) /*[bytes]*/ 53 | 54 | /*Set an address for the memory pool instead of allocating it as a normal array. Can be in external SRAM too.*/ 55 | #define LV_MEM_ADR 0 /*0: unused*/ 56 | /*Instead of an address give a memory allocator that will be called to get a memory pool for LVGL. E.g. my_malloc*/ 57 | #if LV_MEM_ADR == 0 58 | //#define LV_MEM_POOL_INCLUDE your_alloc_library /* Uncomment if using an external allocator*/ 59 | //#define LV_MEM_POOL_ALLOC your_alloc /* Uncomment if using an external allocator*/ 60 | #endif 61 | 62 | #else /*LV_MEM_CUSTOM*/ 63 | #define LV_MEM_CUSTOM_INCLUDE /*Header for the dynamic memory function*/ 64 | #define LV_MEM_CUSTOM_ALLOC malloc 65 | #define LV_MEM_CUSTOM_FREE free 66 | #define LV_MEM_CUSTOM_REALLOC realloc 67 | #endif /*LV_MEM_CUSTOM*/ 68 | 69 | /*Number of the intermediate memory buffer used during rendering and other internal processing mechanisms. 70 | *You will see an error log message if there wasn't enough buffers. */ 71 | #define LV_MEM_BUF_MAX_NUM 16 72 | 73 | /*Use the standard `memcpy` and `memset` instead of LVGL's own functions. (Might or might not be faster).*/ 74 | #define LV_MEMCPY_MEMSET_STD 0 75 | 76 | /*==================== 77 | HAL SETTINGS 78 | *====================*/ 79 | 80 | /*Default display refresh period. LVG will redraw changed areas with this period time*/ 81 | #define LV_DISP_DEF_REFR_PERIOD 30 /*[ms]*/ 82 | 83 | /*Input device read period in milliseconds*/ 84 | #define LV_INDEV_DEF_READ_PERIOD 30 /*[ms]*/ 85 | 86 | /*Use a custom tick source that tells the elapsed time in milliseconds. 87 | *It removes the need to manually update the tick with `lv_tick_inc()`)*/ 88 | #define LV_TICK_CUSTOM 0 89 | #if LV_TICK_CUSTOM 90 | #define LV_TICK_CUSTOM_INCLUDE "Arduino.h" /*Header for the system time function*/ 91 | #define LV_TICK_CUSTOM_SYS_TIME_EXPR (millis()) /*Expression evaluating to current system time in ms*/ 92 | #endif /*LV_TICK_CUSTOM*/ 93 | 94 | /*Default Dot Per Inch. Used to initialize default sizes such as widgets sized, style paddings. 95 | *(Not so important, you can adjust it to modify default sizes and spaces)*/ 96 | #define LV_DPI_DEF 130 /*[px/inch]*/ 97 | 98 | /*======================= 99 | * FEATURE CONFIGURATION 100 | *=======================*/ 101 | 102 | /*------------- 103 | * Drawing 104 | *-----------*/ 105 | 106 | /*Enable complex draw engine. 107 | *Required to draw shadow, gradient, rounded corners, circles, arc, skew lines, image transformations or any masks*/ 108 | #define LV_DRAW_COMPLEX 1 109 | #if LV_DRAW_COMPLEX != 0 110 | 111 | /*Allow buffering some shadow calculation. 112 | *LV_SHADOW_CACHE_SIZE is the max. shadow size to buffer, where shadow size is `shadow_width + radius` 113 | *Caching has LV_SHADOW_CACHE_SIZE^2 RAM cost*/ 114 | #define LV_SHADOW_CACHE_SIZE 0 115 | 116 | /* Set number of maximally cached circle data. 117 | * The circumference of 1/4 circle are saved for anti-aliasing 118 | * radius * 4 bytes are used per circle (the most often used radiuses are saved) 119 | * 0: to disable caching */ 120 | #define LV_CIRCLE_CACHE_SIZE 4 121 | #endif /*LV_DRAW_COMPLEX*/ 122 | 123 | /*Default image cache size. Image caching keeps the images opened. 124 | *If only the built-in image formats are used there is no real advantage of caching. (I.e. if no new image decoder is added) 125 | *With complex image decoders (e.g. PNG or JPG) caching can save the continuous open/decode of images. 126 | *However the opened images might consume additional RAM. 127 | *0: to disable caching*/ 128 | #define LV_IMG_CACHE_DEF_SIZE 0 129 | 130 | /*Number of stops allowed per gradient. Increase this to allow more stops. 131 | *This adds (sizeof(lv_color_t) + 1) bytes per additional stop*/ 132 | #define LV_GRADIENT_MAX_STOPS 2 133 | 134 | /*Default gradient buffer size. 135 | *When LVGL calculates the gradient "maps" it can save them into a cache to avoid calculating them again. 136 | *LV_GRAD_CACHE_DEF_SIZE sets the size of this cache in bytes. 137 | *If the cache is too small the map will be allocated only while it's required for the drawing. 138 | *0 mean no caching.*/ 139 | #define LV_GRAD_CACHE_DEF_SIZE 8*1024 140 | 141 | /*Allow dithering the gradients (to achieve visual smooth color gradients on limited color depth display) 142 | *LV_DITHER_GRADIENT implies allocating one or two more lines of the object's rendering surface 143 | *The increase in memory consumption is (32 bits * object width) plus 24 bits * object width if using error diffusion */ 144 | #define LV_DITHER_GRADIENT 1 145 | #if LV_DITHER_GRADIENT 146 | /*Add support for error diffusion dithering. 147 | *Error diffusion dithering gets a much better visual result, but implies more CPU consumption and memory when drawing. 148 | *The increase in memory consumption is (24 bits * object's width)*/ 149 | #define LV_DITHER_ERROR_DIFFUSION 1 150 | #endif 151 | 152 | /*Maximum buffer size to allocate for rotation. 153 | *Only used if software rotation is enabled in the display driver.*/ 154 | #define LV_DISP_ROT_MAX_BUF (10*1024) 155 | 156 | /*------------- 157 | * GPU 158 | *-----------*/ 159 | 160 | /*Use STM32's DMA2D (aka Chrom Art) GPU*/ 161 | #define LV_USE_GPU_STM32_DMA2D 0 162 | #if LV_USE_GPU_STM32_DMA2D 163 | /*Must be defined to include path of CMSIS header of target processor 164 | e.g. "stm32f769xx.h" or "stm32f429xx.h"*/ 165 | #define LV_GPU_DMA2D_CMSIS_INCLUDE 166 | #endif 167 | 168 | /*Use NXP's PXP GPU iMX RTxxx platforms*/ 169 | #define LV_USE_GPU_NXP_PXP 0 170 | #if LV_USE_GPU_NXP_PXP 171 | /*1: Add default bare metal and FreeRTOS interrupt handling routines for PXP (lv_gpu_nxp_pxp_osa.c) 172 | * and call lv_gpu_nxp_pxp_init() automatically during lv_init(). Note that symbol SDK_OS_FREE_RTOS 173 | * has to be defined in order to use FreeRTOS OSA, otherwise bare-metal implementation is selected. 174 | *0: lv_gpu_nxp_pxp_init() has to be called manually before lv_init() 175 | */ 176 | #define LV_USE_GPU_NXP_PXP_AUTO_INIT 0 177 | #endif 178 | 179 | /*Use NXP's VG-Lite GPU iMX RTxxx platforms*/ 180 | #define LV_USE_GPU_NXP_VG_LITE 0 181 | 182 | /*Use SDL renderer API*/ 183 | #define LV_USE_GPU_SDL 0 184 | #if LV_USE_GPU_SDL 185 | #define LV_GPU_SDL_INCLUDE_PATH 186 | /*Texture cache size, 8MB by default*/ 187 | #define LV_GPU_SDL_LRU_SIZE (1024 * 1024 * 8) 188 | /*Custom blend mode for mask drawing, disable if you need to link with older SDL2 lib*/ 189 | #define LV_GPU_SDL_CUSTOM_BLEND_MODE (SDL_VERSION_ATLEAST(2, 0, 6)) 190 | #endif 191 | 192 | /*Use GLES renderer API*/ 193 | #define LV_USE_GPU_GLES 1 194 | #if LV_USE_GPU_GLES 195 | #define LV_GPU_GLES_USE_EPOXY 1 196 | #if LV_GPU_GLES_USE_EPOXY 197 | #define LV_GPU_GLES_EPOXY_INCLUDE_PATH 198 | #define LV_GPU_GLES_LOADER_INCLUDE_PATH LV_GPU_GLES_EPOXY_INCLUDE_PATH 199 | #endif 200 | #define LV_GPU_GLES_USE_GLAD 0 201 | #if LV_GPU_GLES_USE_GLAD 202 | #define LV_GPU_GLES_GLAD_INCLUDE_PATH 203 | #define LV_GPU_GLES_LOADER_INCLUDE_PATH LV_GPU_GLES_GLAD_INCLUDE_PATH 204 | #endif 205 | #if LV_GPU_GLES_USE_EPOXY && LV_GPU_GLES_USE_GLAD 206 | #error Only one GL loader library is allowed. 207 | #elif !(LV_GPU_GLES_USE_EPOXY || LV_GPU_GLES_USE_GLAD) 208 | #error Need to specify a GL loader library. 209 | #endif 210 | 211 | /*Use GLES renderer with software renderer */ 212 | #define LV_USE_GPU_GLES_SW_MIXED 0 213 | /*Texture cache size*/ 214 | #define LV_GPU_GLES_LRU_SIZE (32 * 1024) 215 | #endif 216 | 217 | 218 | /*------------- 219 | * Logging 220 | *-----------*/ 221 | 222 | /*Enable the log module*/ 223 | #define LV_USE_LOG 1 224 | #if LV_USE_LOG 225 | 226 | /*How important log should be added: 227 | *LV_LOG_LEVEL_TRACE A lot of logs to give detailed information 228 | *LV_LOG_LEVEL_INFO Log important events 229 | *LV_LOG_LEVEL_WARN Log if something unwanted happened but didn't cause a problem 230 | *LV_LOG_LEVEL_ERROR Only critical issue, when the system may fail 231 | *LV_LOG_LEVEL_USER Only logs added by the user 232 | *LV_LOG_LEVEL_NONE Do not log anything*/ 233 | #define LV_LOG_LEVEL LV_LOG_LEVEL_NONE 234 | 235 | /*1: Print the log with 'printf'; 236 | *0: User need to register a callback with `lv_log_register_print_cb()`*/ 237 | #define LV_LOG_PRINTF 1 238 | 239 | /*Enable/disable LV_LOG_TRACE in modules that produces a huge number of logs*/ 240 | #define LV_LOG_TRACE_MEM 0 241 | #define LV_LOG_TRACE_TIMER 0 242 | #define LV_LOG_TRACE_INDEV 0 243 | #define LV_LOG_TRACE_DISP_REFR 0 244 | #define LV_LOG_TRACE_EVENT 0 245 | #define LV_LOG_TRACE_OBJ_CREATE 0 246 | #define LV_LOG_TRACE_LAYOUT 0 247 | #define LV_LOG_TRACE_ANIM 0 248 | 249 | #endif /*LV_USE_LOG*/ 250 | 251 | /*------------- 252 | * Asserts 253 | *-----------*/ 254 | 255 | /*Enable asserts if an operation is failed or an invalid data is found. 256 | *If LV_USE_LOG is enabled an error message will be printed on failure*/ 257 | #define LV_USE_ASSERT_NULL 1 /*Check if the parameter is NULL. (Very fast, recommended)*/ 258 | #define LV_USE_ASSERT_MALLOC 1 /*Checks is the memory is successfully allocated or no. (Very fast, recommended)*/ 259 | #define LV_USE_ASSERT_STYLE 0 /*Check if the styles are properly initialized. (Very fast, recommended)*/ 260 | #define LV_USE_ASSERT_MEM_INTEGRITY 0 /*Check the integrity of `lv_mem` after critical operations. (Slow)*/ 261 | #define LV_USE_ASSERT_OBJ 0 /*Check the object's type and existence (e.g. not deleted). (Slow)*/ 262 | 263 | /*Add a custom handler when assert happens e.g. to restart the MCU*/ 264 | #define LV_ASSERT_HANDLER_INCLUDE 265 | #define LV_ASSERT_HANDLER while(1); /*Halt by default*/ 266 | 267 | /*------------- 268 | * Others 269 | *-----------*/ 270 | 271 | /*1: Show CPU usage and FPS count*/ 272 | #define LV_USE_PERF_MONITOR 1 273 | #if LV_USE_PERF_MONITOR 274 | #define LV_USE_PERF_MONITOR_POS LV_ALIGN_BOTTOM_RIGHT 275 | #endif 276 | 277 | /*1: Show the used memory and the memory fragmentation 278 | * Requires LV_MEM_CUSTOM = 0*/ 279 | #define LV_USE_MEM_MONITOR 1 280 | #if LV_USE_MEM_MONITOR 281 | #define LV_USE_MEM_MONITOR_POS LV_ALIGN_BOTTOM_LEFT 282 | #endif 283 | 284 | /*1: Draw random colored rectangles over the redrawn areas*/ 285 | #define LV_USE_REFR_DEBUG 0 286 | 287 | /*Change the built in (v)snprintf functions*/ 288 | #define LV_SPRINTF_CUSTOM 0 289 | #if LV_SPRINTF_CUSTOM 290 | #define LV_SPRINTF_INCLUDE 291 | #define lv_snprintf snprintf 292 | #define lv_vsnprintf vsnprintf 293 | #else /*LV_SPRINTF_CUSTOM*/ 294 | #define LV_SPRINTF_USE_FLOAT 0 295 | #endif /*LV_SPRINTF_CUSTOM*/ 296 | 297 | #define LV_USE_USER_DATA 1 298 | 299 | /*Garbage Collector settings 300 | *Used if lvgl is bound to higher level language and the memory is managed by that language*/ 301 | #define LV_ENABLE_GC 0 302 | #if LV_ENABLE_GC != 0 303 | #define LV_GC_INCLUDE "gc.h" /*Include Garbage Collector related things*/ 304 | #endif /*LV_ENABLE_GC*/ 305 | 306 | /*===================== 307 | * COMPILER SETTINGS 308 | *====================*/ 309 | 310 | /*For big endian systems set to 1*/ 311 | #define LV_BIG_ENDIAN_SYSTEM 0 312 | 313 | /*Define a custom attribute to `lv_tick_inc` function*/ 314 | #define LV_ATTRIBUTE_TICK_INC 315 | 316 | /*Define a custom attribute to `lv_timer_handler` function*/ 317 | #define LV_ATTRIBUTE_TIMER_HANDLER 318 | 319 | /*Define a custom attribute to `lv_disp_flush_ready` function*/ 320 | #define LV_ATTRIBUTE_FLUSH_READY 321 | 322 | /*Required alignment size for buffers*/ 323 | #define LV_ATTRIBUTE_MEM_ALIGN_SIZE 1 324 | 325 | /*Will be added where memories needs to be aligned (with -Os data might not be aligned to boundary by default). 326 | * E.g. __attribute__((aligned(4)))*/ 327 | #define LV_ATTRIBUTE_MEM_ALIGN 328 | 329 | /*Attribute to mark large constant arrays for example font's bitmaps*/ 330 | #define LV_ATTRIBUTE_LARGE_CONST 331 | 332 | /*Compiler prefix for a big array declaration in RAM*/ 333 | #define LV_ATTRIBUTE_LARGE_RAM_ARRAY 334 | 335 | /*Place performance critical functions into a faster memory (e.g RAM)*/ 336 | #define LV_ATTRIBUTE_FAST_MEM 337 | 338 | /*Prefix variables that are used in GPU accelerated operations, often these need to be placed in RAM sections that are DMA accessible*/ 339 | #define LV_ATTRIBUTE_DMA 340 | 341 | /*Export integer constant to binding. This macro is used with constants in the form of LV_ that 342 | *should also appear on LVGL binding API such as Micropython.*/ 343 | #define LV_EXPORT_CONST_INT(int_value) struct _silence_gcc_warning /*The default value just prevents GCC warning*/ 344 | 345 | /*Extend the default -32k..32k coordinate range to -4M..4M by using int32_t for coordinates instead of int16_t*/ 346 | #define LV_USE_LARGE_COORD 0 347 | 348 | /*================== 349 | * FONT USAGE 350 | *===================*/ 351 | 352 | /*Montserrat fonts with ASCII range and some symbols using bpp = 4 353 | *https://fonts.google.com/specimen/Montserrat*/ 354 | #define LV_FONT_MONTSERRAT_8 0 355 | #define LV_FONT_MONTSERRAT_10 0 356 | #define LV_FONT_MONTSERRAT_12 1 357 | #define LV_FONT_MONTSERRAT_14 1 358 | #define LV_FONT_MONTSERRAT_16 1 359 | #define LV_FONT_MONTSERRAT_18 0 360 | #define LV_FONT_MONTSERRAT_20 0 361 | #define LV_FONT_MONTSERRAT_22 0 362 | #define LV_FONT_MONTSERRAT_24 0 363 | #define LV_FONT_MONTSERRAT_26 0 364 | #define LV_FONT_MONTSERRAT_28 0 365 | #define LV_FONT_MONTSERRAT_30 0 366 | #define LV_FONT_MONTSERRAT_32 0 367 | #define LV_FONT_MONTSERRAT_34 0 368 | #define LV_FONT_MONTSERRAT_36 0 369 | #define LV_FONT_MONTSERRAT_38 0 370 | #define LV_FONT_MONTSERRAT_40 0 371 | #define LV_FONT_MONTSERRAT_42 0 372 | #define LV_FONT_MONTSERRAT_44 0 373 | #define LV_FONT_MONTSERRAT_46 0 374 | #define LV_FONT_MONTSERRAT_48 0 375 | 376 | /*Demonstrate special features*/ 377 | #define LV_FONT_MONTSERRAT_12_SUBPX 1 378 | #define LV_FONT_MONTSERRAT_28_COMPRESSED 1 /*bpp = 3*/ 379 | #define LV_FONT_DEJAVU_16_PERSIAN_HEBREW 1 /*Hebrew, Arabic, Persian letters and all their forms*/ 380 | #define LV_FONT_SIMSUN_16_CJK 1 /*1000 most common CJK radicals*/ 381 | 382 | /*Pixel perfect monospace fonts*/ 383 | #define LV_FONT_UNSCII_8 1 384 | #define LV_FONT_UNSCII_16 1 385 | 386 | /*Optionally declare custom fonts here. 387 | *You can use these fonts as default font too and they will be available globally. 388 | *E.g. #define LV_FONT_CUSTOM_DECLARE LV_FONT_DECLARE(my_font_1) LV_FONT_DECLARE(my_font_2)*/ 389 | #define LV_FONT_CUSTOM_DECLARE 390 | 391 | /*Always set a default font*/ 392 | #define LV_FONT_DEFAULT &lv_font_montserrat_14 393 | 394 | /*Enable handling large font and/or fonts with a lot of characters. 395 | *The limit depends on the font size, font face and bpp. 396 | *Compiler error will be triggered if a font needs it.*/ 397 | #define LV_FONT_FMT_TXT_LARGE 1 398 | 399 | /*Enables/disables support for compressed fonts.*/ 400 | #define LV_USE_FONT_COMPRESSED 1 401 | 402 | /*Enable subpixel rendering*/ 403 | #define LV_USE_FONT_SUBPX 1 404 | #if LV_USE_FONT_SUBPX 405 | /*Set the pixel order of the display. Physical order of RGB channels. Doesn't matter with "normal" fonts.*/ 406 | #define LV_FONT_SUBPX_BGR 0 /*0: RGB; 1:BGR order*/ 407 | #endif 408 | 409 | /*================= 410 | * TEXT SETTINGS 411 | *=================*/ 412 | 413 | /** 414 | * Select a character encoding for strings. 415 | * Your IDE or editor should have the same character encoding 416 | * - LV_TXT_ENC_UTF8 417 | * - LV_TXT_ENC_ASCII 418 | */ 419 | #define LV_TXT_ENC LV_TXT_ENC_UTF8 420 | 421 | /*Can break (wrap) texts on these chars*/ 422 | #define LV_TXT_BREAK_CHARS " ,.;:-_" 423 | 424 | /*If a word is at least this long, will break wherever "prettiest" 425 | *To disable, set to a value <= 0*/ 426 | #define LV_TXT_LINE_BREAK_LONG_LEN 0 427 | 428 | /*Minimum number of characters in a long word to put on a line before a break. 429 | *Depends on LV_TXT_LINE_BREAK_LONG_LEN.*/ 430 | #define LV_TXT_LINE_BREAK_LONG_PRE_MIN_LEN 3 431 | 432 | /*Minimum number of characters in a long word to put on a line after a break. 433 | *Depends on LV_TXT_LINE_BREAK_LONG_LEN.*/ 434 | #define LV_TXT_LINE_BREAK_LONG_POST_MIN_LEN 3 435 | 436 | /*The control character to use for signalling text recoloring.*/ 437 | #define LV_TXT_COLOR_CMD "#" 438 | 439 | /*Support bidirectional texts. Allows mixing Left-to-Right and Right-to-Left texts. 440 | *The direction will be processed according to the Unicode Bidirectional Algorithm: 441 | *https://www.w3.org/International/articles/inline-bidi-markup/uba-basics*/ 442 | #define LV_USE_BIDI 0 443 | #if LV_USE_BIDI 444 | /*Set the default direction. Supported values: 445 | *`LV_BASE_DIR_LTR` Left-to-Right 446 | *`LV_BASE_DIR_RTL` Right-to-Left 447 | *`LV_BASE_DIR_AUTO` detect texts base direction*/ 448 | #define LV_BIDI_BASE_DIR_DEF LV_BASE_DIR_AUTO 449 | #endif 450 | 451 | /*Enable Arabic/Persian processing 452 | *In these languages characters should be replaced with an other form based on their position in the text*/ 453 | #define LV_USE_ARABIC_PERSIAN_CHARS 0 454 | 455 | /*================== 456 | * WIDGET USAGE 457 | *================*/ 458 | 459 | /*Documentation of the widgets: https://docs.lvgl.io/latest/en/html/widgets/index.html*/ 460 | 461 | #define LV_USE_ARC 1 462 | 463 | #define LV_USE_ANIMIMG 1 464 | 465 | #define LV_USE_BAR 1 466 | 467 | #define LV_USE_BTN 1 468 | 469 | #define LV_USE_BTNMATRIX 1 470 | 471 | #define LV_USE_CANVAS 1 472 | 473 | #define LV_USE_CHECKBOX 1 474 | 475 | #define LV_USE_DROPDOWN 1 /*Requires: lv_label*/ 476 | 477 | #define LV_USE_IMG 1 /*Requires: lv_label*/ 478 | 479 | #define LV_USE_LABEL 1 480 | #if LV_USE_LABEL 481 | #define LV_LABEL_TEXT_SELECTION 1 /*Enable selecting text of the label*/ 482 | #define LV_LABEL_LONG_TXT_HINT 1 /*Store some extra info in labels to speed up drawing of very long texts*/ 483 | #endif 484 | 485 | #define LV_USE_LINE 1 486 | 487 | #define LV_USE_ROLLER 1 /*Requires: lv_label*/ 488 | #if LV_USE_ROLLER 489 | #define LV_ROLLER_INF_PAGES 7 /*Number of extra "pages" when the roller is infinite*/ 490 | #endif 491 | 492 | #define LV_USE_SLIDER 1 /*Requires: lv_bar*/ 493 | 494 | #define LV_USE_SWITCH 1 495 | 496 | #define LV_USE_TEXTAREA 1 /*Requires: lv_label*/ 497 | #if LV_USE_TEXTAREA != 0 498 | #define LV_TEXTAREA_DEF_PWD_SHOW_TIME 1500 /*ms*/ 499 | #endif 500 | 501 | #define LV_USE_TABLE 1 502 | 503 | /*================== 504 | * EXTRA COMPONENTS 505 | *==================*/ 506 | 507 | /*----------- 508 | * Widgets 509 | *----------*/ 510 | #define LV_USE_CALENDAR 1 511 | #if LV_USE_CALENDAR 512 | #define LV_CALENDAR_WEEK_STARTS_MONDAY 0 513 | #if LV_CALENDAR_WEEK_STARTS_MONDAY 514 | #define LV_CALENDAR_DEFAULT_DAY_NAMES {"Mo", "Tu", "We", "Th", "Fr", "Sa", "Su"} 515 | #else 516 | #define LV_CALENDAR_DEFAULT_DAY_NAMES {"Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"} 517 | #endif 518 | 519 | #define LV_CALENDAR_DEFAULT_MONTH_NAMES {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"} 520 | #define LV_USE_CALENDAR_HEADER_ARROW 1 521 | #define LV_USE_CALENDAR_HEADER_DROPDOWN 1 522 | #endif /*LV_USE_CALENDAR*/ 523 | 524 | #define LV_USE_CHART 1 525 | 526 | #define LV_USE_COLORWHEEL 1 527 | 528 | #define LV_USE_IMGBTN 1 529 | 530 | #define LV_USE_KEYBOARD 1 531 | 532 | #define LV_USE_LED 1 533 | 534 | #define LV_USE_LIST 1 535 | 536 | #define LV_USE_MENU 1 537 | 538 | #define LV_USE_METER 1 539 | 540 | #define LV_USE_MSGBOX 1 541 | 542 | #define LV_USE_SPINBOX 1 543 | 544 | #define LV_USE_SPINNER 1 545 | 546 | #define LV_USE_TABVIEW 1 547 | 548 | #define LV_USE_TILEVIEW 1 549 | 550 | #define LV_USE_WIN 1 551 | 552 | #define LV_USE_SPAN 1 553 | #if LV_USE_SPAN 554 | /*A line text can contain maximum num of span descriptor */ 555 | #define LV_SPAN_SNIPPET_STACK_SIZE 64 556 | #endif 557 | 558 | /*----------- 559 | * Themes 560 | *----------*/ 561 | 562 | /*A simple, impressive and very complete theme*/ 563 | #define LV_USE_THEME_DEFAULT 1 564 | #if LV_USE_THEME_DEFAULT 565 | 566 | /*0: Light mode; 1: Dark mode*/ 567 | #define LV_THEME_DEFAULT_DARK 0 568 | 569 | /*1: Enable grow on press*/ 570 | #define LV_THEME_DEFAULT_GROW 1 571 | 572 | /*Default transition time in [ms]*/ 573 | #define LV_THEME_DEFAULT_TRANSITION_TIME 80 574 | #endif /*LV_USE_THEME_DEFAULT*/ 575 | 576 | /*A very simple theme that is a good starting point for a custom theme*/ 577 | #define LV_USE_THEME_BASIC 1 578 | 579 | /*A theme designed for monochrome displays*/ 580 | #define LV_USE_THEME_MONO 1 581 | 582 | /*----------- 583 | * Layouts 584 | *----------*/ 585 | 586 | /*A layout similar to Flexbox in CSS.*/ 587 | #define LV_USE_FLEX 1 588 | 589 | /*A layout similar to Grid in CSS.*/ 590 | #define LV_USE_GRID 1 591 | 592 | /*--------------------- 593 | * 3rd party libraries 594 | *--------------------*/ 595 | 596 | /*File system interfaces for common APIs */ 597 | 598 | /*API for fopen, fread, etc*/ 599 | #define LV_USE_FS_STDIO 0 600 | #if LV_USE_FS_STDIO 601 | #define LV_FS_STDIO_LETTER '\0' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/ 602 | #define LV_FS_STDIO_PATH "" /*Set the working directory. File/directory paths will be appended to it.*/ 603 | #define LV_FS_STDIO_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/ 604 | #endif 605 | 606 | /*API for open, read, etc*/ 607 | #define LV_USE_FS_POSIX 0 608 | #if LV_USE_FS_POSIX 609 | #define LV_FS_POSIX_LETTER '\0' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/ 610 | #define LV_FS_POSIX_PATH "" /*Set the working directory. File/directory paths will be appended to it.*/ 611 | #define LV_FS_POSIX_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/ 612 | #endif 613 | 614 | /*API for CreateFile, ReadFile, etc*/ 615 | #define LV_USE_FS_WIN32 0 616 | #if LV_USE_FS_WIN32 617 | #define LV_FS_WIN32_LETTER '\0' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/ 618 | #define LV_FS_WIN32_PATH "" /*Set the working directory. File/directory paths will be appended to it.*/ 619 | #define LV_FS_WIN32_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/ 620 | #endif 621 | 622 | /*API for FATFS (needs to be added separately). Uses f_open, f_read, etc*/ 623 | #define LV_USE_FS_FATFS 0 624 | #if LV_USE_FS_FATFS 625 | #define LV_FS_FATFS_LETTER '\0' /*Set an upper cased letter on which the drive will accessible (e.g. 'A')*/ 626 | #define LV_FS_FATFS_CACHE_SIZE 0 /*>0 to cache this number of bytes in lv_fs_read()*/ 627 | #endif 628 | 629 | /*PNG decoder library*/ 630 | #define LV_USE_PNG 0 631 | 632 | /*BMP decoder library*/ 633 | #define LV_USE_BMP 0 634 | 635 | /* JPG + split JPG decoder library. 636 | * Split JPG is a custom format optimized for embedded systems. */ 637 | #define LV_USE_SJPG 0 638 | 639 | /*GIF decoder library*/ 640 | #define LV_USE_GIF 0 641 | 642 | /*QR code library*/ 643 | #define LV_USE_QRCODE 0 644 | 645 | /*FreeType library*/ 646 | #define LV_USE_FREETYPE 0 647 | #if LV_USE_FREETYPE 648 | /*Memory used by FreeType to cache characters [bytes] (-1: no caching)*/ 649 | #define LV_FREETYPE_CACHE_SIZE (16 * 1024) 650 | #if LV_FREETYPE_CACHE_SIZE >= 0 651 | /* 1: bitmap cache use the sbit cache, 0:bitmap cache use the image cache. */ 652 | /* sbit cache:it is much more memory efficient for small bitmaps(font size < 256) */ 653 | /* if font size >= 256, must be configured as image cache */ 654 | #define LV_FREETYPE_SBIT_CACHE 0 655 | /* Maximum number of opened FT_Face/FT_Size objects managed by this cache instance. */ 656 | /* (0:use system defaults) */ 657 | #define LV_FREETYPE_CACHE_FT_FACES 0 658 | #define LV_FREETYPE_CACHE_FT_SIZES 0 659 | #endif 660 | #endif 661 | 662 | /*Rlottie library*/ 663 | #define LV_USE_RLOTTIE 0 664 | 665 | /*FFmpeg library for image decoding and playing videos 666 | *Supports all major image formats so do not enable other image decoder with it*/ 667 | #define LV_USE_FFMPEG 0 668 | #if LV_USE_FFMPEG 669 | /*Dump input information to stderr*/ 670 | #define LV_FFMPEG_AV_DUMP_FORMAT 0 671 | #endif 672 | 673 | /*----------- 674 | * Others 675 | *----------*/ 676 | 677 | /*1: Enable API to take snapshot for object*/ 678 | #define LV_USE_SNAPSHOT 0 679 | 680 | /*1: Enable Monkey test*/ 681 | #define LV_USE_MONKEY 0 682 | 683 | /*1: Enable grid navigation*/ 684 | #define LV_USE_GRIDNAV 0 685 | 686 | /*================== 687 | * EXAMPLES 688 | *==================*/ 689 | 690 | /*Enable the examples to be built with the library*/ 691 | #define LV_BUILD_EXAMPLES 1 692 | 693 | /*=================== 694 | * DEMO USAGE 695 | ====================*/ 696 | 697 | /*Show some widget. It might be required to increase `LV_MEM_SIZE` */ 698 | #define LV_USE_DEMO_WIDGETS 1 699 | #if LV_USE_DEMO_WIDGETS 700 | #define LV_DEMO_WIDGETS_SLIDESHOW 0 701 | #endif 702 | 703 | /*Demonstrate the usage of encoder and keyboard*/ 704 | #define LV_USE_DEMO_KEYPAD_AND_ENCODER 1 705 | 706 | /*Benchmark your system*/ 707 | #define LV_USE_DEMO_BENCHMARK 1 708 | 709 | /*Stress test for LVGL*/ 710 | #define LV_USE_DEMO_STRESS 1 711 | 712 | /*Music player demo*/ 713 | #define LV_USE_DEMO_MUSIC 1 714 | #if LV_USE_DEMO_MUSIC 715 | # define LV_DEMO_MUSIC_SQUARE 0 716 | # define LV_DEMO_MUSIC_LANDSCAPE 0 717 | # define LV_DEMO_MUSIC_ROUND 0 718 | # define LV_DEMO_MUSIC_LARGE 0 719 | # define LV_DEMO_MUSIC_AUTO_PLAY 0 720 | #endif 721 | 722 | /*--END OF LV_CONF_H--*/ 723 | 724 | #define LVGL 725 | #endif /*LV_CONF_H*/ 726 | 727 | #endif /*End of "Content enable"*/ 728 | -------------------------------------------------------------------------------- /COPYING: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | --------------------------------------------------------------------------------