参考文档X1600 LVGL_Demo | Ingenic Docs1.编译lvgl遇到问题libonvif/onvif_api.h不存在building third_party/lvgl---------------------------- generate lvgl file list.lvgl_cflags.mk .lvgl_files.mk--- build lvgl libIn file included from ingenic/lvgl_ingenic_support.h:10:0,from ingenic/view/ilv_text_doing.c:8:ingenic/ui_onvif_manager.h:10:32: fatal error: libonvif/onvif_api.h: No such file or directorycompilation terminated....In file included from ingenic/lvgl_ingenic_support.h:10:0,from lvgl/src/draw/lv_img_cache.c:15:ingenic/ui_onvif_manager.h:10:32: fatal error: libonvif/onvif_api.h: No such file or directorycompilation terminated.解决思路先查sdk中有没有这个文件文件存在说明编译没选上ubuntuubuntu:~/x1600$find ./ -name onvif_api.h./third_party/onvif/libonvif/onvif_api.h2.编译lvgl遇到问题 error: -mmsabuilding third_party/lvgl---------------------------- generate lvgl file list.lvgl_cflags.mk .lvgl_files.mk--- build lvgl libcc1: error: -mmsa must be used with -mfp64 and -mhard-float...lvgl/demos/music/lv_demo_music_main.c:1:0: error: -mmsa must be used with -mfp64 and -mhard-float/**^make[2]: *** [tools/build_elf.mk:154: .objs/lvgl/demos/music/lv_demo_music_main.c.o] Error 1make[2]: *** [tools/build_elf.mk:154: .objs/lvgl/demos/music/lv_demo_music.c.o] Error 1make[2]: *** [tools/build_elf.mk:154: .objs/lvgl/demos/music/assets/img_lv_demo_music_logo.c.o] Error 1make[1]: *** [Makefile:49: all] Error 2make: *** [Makefile:94: all] Error 2解决办法取消 msa 优化3.编译成功后buildroot目录会生成liblvgl.a文件但是没有生成头文件要自己去源码引用SYSROOT : /home/ubuntu/x1600/buildroot/buildroot/output/host/mipsel-buildroot-linux-gnu/sysrootSRC_DIR : ../srcINC_DIRS : ../include $(SYSROOT)/usr/include /home/ubuntu/x1600/third_party/lvgl /home/ubuntu/x1600/third_party/lvgl/ingenic /home/ubuntu/x1600/third_party/lvgl/lvgl/src/hal/LIB_DIRS : ../lib $(SYSROOT)/usr/libLIBS : hardware2 lvgl pthread utils24.lvgl 8显示中文开发步骤1.下载字体库 100font.com - 免费商用字体大全 - 免费字体下载网站2.官方在线转换字体 Font Converter — LVGL3.编译遇到问题是因为官网字体转换的版本太高了I/home/ubuntu/x1600/buildroot/buildroot/output/host/mipsel-buildroot-linux-gnu/sysroot/usr/lib -c ../src/font_24.c -o build/font_24.o../src/font_24.c:34115:5: error: unknown field static_bitmap specified in initializer.static_bitmap 0,^解决办法注释掉.static_bitmap 0,4.1另一种方式显示中文资源不受限的情况下使用ttf文件效果更好#include lvgl.h lv_ft_info_t ft_info; ft_info.name /usr/share/fonts/truetype/dejavu/DejaVuSans.ttf; ft_info.weight 24; ft_info.style FT_FONT_STYLE_NORMAL; if (lv_ft_font_init(ft_info) LV_FS_RES_OK) { lv_obj_set_style_text_font(label, ft_info.font, 0); }5.lvlg中文键盘8.3版本默认支持详细使用案例参考官方文档Pinyin IME — LVGL documentationlv_config.h文件中打开宏定义执行make clean_app_module_drivermake app_module_driver编译即可用#define LV_USE_IME_PINYIN 1#if LV_USE_IME_PINYIN/*1: Use default thesaurus*//*If you do not use the default thesaurus, be sure to use lv_ime_pinyin after setting the thesauruss*/#define LV_IME_PINYIN_USE_DEFAULT_DICT 1/*Set the maximum number of candidate panels that can be displayed*//*This needs to be adjusted according to the size of the screen*/#define LV_IME_PINYIN_CAND_TEXT_NUM 6/*Use 9 key input(k9)*/#define LV_IME_PINYIN_USE_K9_MODE 1#if LV_IME_PINYIN_USE_K9_MODE 1#define LV_IME_PINYIN_K9_CAND_TEXT_NUM 3#endif // LV_IME_PINYIN_USE_K9_MODE#endif如果提示/home/ubuntu/x1600/my_app/src/../src/lv_ui.c:74: undefined reference to lv_ime_pinyin_createbuild/lv_ui.o: In function lv_example_ime_pinyin_1:/home/ubuntu/x1600/my_app/src/../src/lv_ui.c:231: undefined reference to lv_ime_pinyin_create/home/ubuntu/x1600/my_app/src/../src/lv_ui.c:243: undefined reference to lv_ime_pinyin_set_keyboard/home/ubuntu/x1600/my_app/src/../src/lv_ui.c:249: undefined reference to lv_ime_pinyin_get_cand_panelcollect2: error: ld returned 1 exit statusmake: *** [Makefile:60: bin/myapp] Error 1需要选一个demo编译6.如果使用GUI-Guider图形化软件快速开发使用中文键盘可能遇到的问题中文候选框无法显示原因是候选框依赖于父对象的实际布局。解决办法先加载当前界面lv_scr_load(ui-screen_test); 再去绑定拼音键盘到当前界面。实际修改过后的参考代码/* * Copyright 2026 NXP * NXP Proprietary. This software is owned or controlled by NXP and may only be used strictly in * accordance with the applicable license terms. By expressly accepting such terms or by downloading, installing, * activating and/or otherwise using the software, you are agreeing that you have read, and that you agree to * comply with and are bound by, such license terms. If you do not agree to be bound by the applicable license * terms, then you may not retain, install, activate or otherwise use the software. */ #include lvgl.h #include stdio.h #include gui_guider.h #include events_init.h #include widgets_init.h #include custom.h #if 1 static lv_obj_t * g_cand_panel NULL; static lv_obj_t * g_kb NULL; static lv_obj_t * g_ta NULL; // 文本框引用 // 关闭键盘的辅助函数 static void close_keyboard(void) { if(g_kb !lv_obj_has_flag(g_kb, LV_OBJ_FLAG_HIDDEN)) { lv_obj_add_flag(g_kb, LV_OBJ_FLAG_HIDDEN); if(g_cand_panel) lv_obj_add_flag(g_cand_panel, LV_OBJ_FLAG_HIDDEN); if(g_ta) { lv_obj_clear_state(g_ta, LV_STATE_FOCUSED); lv_indev_reset(NULL, g_ta); } } } // 打开键盘的辅助函数 static void open_keyboard(lv_obj_t * ta) { if(g_kb lv_obj_has_flag(g_kb, LV_OBJ_FLAG_HIDDEN)) { lv_keyboard_set_textarea(g_kb, ta); lv_obj_clear_flag(g_kb, LV_OBJ_FLAG_HIDDEN); // 关键移到最前面 lv_obj_move_foreground(g_kb); if(g_cand_panel) { lv_obj_clear_flag(g_cand_panel, LV_OBJ_FLAG_HIDDEN); lv_obj_move_foreground(g_cand_panel); } } } static void ta_event_cb1(lv_event_t * e) { lv_event_code_t code lv_event_get_code(e); lv_obj_t * ta lv_event_get_target(e); if(code LV_EVENT_CLICKED) { open_keyboard(ta); } else if(code LV_EVENT_CANCEL) { close_keyboard(); // 点击OK关闭 } } // 辅助函数检查child是否是parent的子对象 static bool obj_is_child_of(lv_obj_t * child, lv_obj_t * parent) { if(!child || !parent) return false; lv_obj_t * p lv_obj_get_parent(child); while(p) { if(p parent) return true; p lv_obj_get_parent(p); } return false; } // 屏幕点击事件点击空白处关闭键盘 static void screen_event_cb(lv_event_t * e) { lv_obj_t * screen lv_event_get_target(e); lv_indev_t * indev lv_event_get_indev(e); lv_point_t vect; lv_indev_get_vect(indev, vect); // 获取点击位置的对象 lv_obj_t * hit lv_indev_get_obj_act(); // 如果点击的不是键盘、候选面板、文本框则关闭键盘 if(hit ! g_ta hit ! g_kb hit ! g_cand_panel !obj_is_child_of(hit, g_kb) !obj_is_child_of(hit, g_cand_panel)) { close_keyboard(); } } // 纯拼音键盘无模式切换无大写 static const char * pinyin_kb_map[] { q, w, e, r, t, y, u, i, o, p, \n, a, s, d, f, g, h, j, k, l, \n, z, x, c, v, b, n, m, LV_SYMBOL_BACKSPACE, \n, ,, , ., LV_SYMBOL_OK, }; static const lv_btnmatrix_ctrl_t pinyin_kb_ctrl[] { // 第1行10个 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, // 第2行10个9个按键\n 4, 4, 4, 4, 4, 4, 4, 4, 4, // 第3行9个8个按键\n 4, 4, 4, 4, 4, 4, 4, 6, // 第4行6个5个按键结束符 4, 6, 4 ,6, 0 }; void setup_scr_screen_z_test(lv_ui *ui) { ui-screen_test lv_obj_create(NULL); lv_obj_set_size(ui-screen_test, 480, 480); lv_obj_set_style_bg_color(ui-screen_test, lv_color_hex(0x183966), 0); lv_scr_load(ui-screen_test); // 为屏幕添加点击事件点击空白处关闭键盘 lv_obj_add_event_cb(ui-screen_test, screen_event_cb, LV_EVENT_CLICKED, NULL); // 创建拼音输入法 lv_obj_t * pinyin_ime lv_ime_pinyin_create(ui-screen_test); lv_obj_set_style_text_font(pinyin_ime, lv_font_simsun_16_cjk, 0); lv_ime_pinyin_set_mode(pinyin_ime, LV_IME_PINYIN_MODE_K26); // 创建文本输入区域 lv_obj_t * ta1 lv_textarea_create(ui-screen_test); g_ta ta1; lv_textarea_set_one_line(ta1, true); lv_textarea_set_placeholder_text(ta1, ...); lv_obj_set_style_text_font(ta1, lv_font_simsun_16_cjk, 0); lv_obj_set_size(ta1, 440, 50); lv_obj_align(ta1, LV_ALIGN_TOP_MID, 0, 20); lv_obj_set_style_border_width(ta1, 2, 0); lv_obj_set_style_border_color(ta1, lv_color_hex(0x00aaff), 0); // 创建键盘 lv_obj_t * kb lv_keyboard_create(ui-screen_test); g_kb kb; lv_obj_set_size(kb, 460, 220); lv_obj_align(kb, LV_ALIGN_BOTTOM_MID, 0, -10); // // 在 setup 中使用自定义映射 lv_keyboard_set_map(kb, LV_KEYBOARD_MODE_TEXT_LOWER, pinyin_kb_map, pinyin_kb_ctrl); lv_ime_pinyin_set_keyboard(pinyin_ime, kb); lv_keyboard_set_textarea(kb, ta1); // 文本框事件 lv_obj_add_event_cb(ta1, ta_event_cb1, LV_EVENT_CLICKED, NULL); lv_obj_add_event_cb(ta1, ta_event_cb1, LV_EVENT_CANCEL, NULL); // 候选面板 lv_obj_t * cand_panel lv_ime_pinyin_get_cand_panel(pinyin_ime); g_cand_panel cand_panel; lv_obj_set_size(cand_panel, 460, 50); lv_obj_align_to(cand_panel, kb, LV_ALIGN_OUT_TOP_MID, 0, -10); lv_obj_set_style_bg_color(cand_panel, lv_color_hex(0xf5f5f5), 0); lv_obj_set_style_bg_opa(cand_panel, LV_OPA_COVER, 0); lv_obj_set_style_text_font(cand_panel, lv_font_simsun_16_cjk, 0); lv_obj_set_style_text_font(cand_panel, lv_font_simsun_16_cjk, LV_PART_ITEMS); // 初始隐藏 lv_obj_add_flag(kb, LV_OBJ_FLAG_HIDDEN); lv_obj_add_flag(cand_panel, LV_OBJ_FLAG_HIDDEN); } #endif7.lvgl监听屏幕触摸事件刷新亮屏时间实现点击亮屏cd /home/ubuntu/x1600/third_party/lvglcode ./找到下面这个函数添加一个全局变量应用层声明后直接使用8.X轴或Y轴坐标重复导致应用层显示同一个坐标点因lvgl移植适配问题引起。现象第三个坐标数据驱动层坐标数据为【337,203】应用层lvgl坐标为【117203】evtest测试发现x轴上报的337y轴坐标因重复未上报。驱动log[ 629.422889] [ST]sitronix_ts_pen_down touch[0] DOWN x337 y198[ 629.448708] [ST]sitronix_ts_pen_up ----------------------------[ 629.734854] [ST]sitronix_ts_pen_down touch[0] DOWN x117 y203[ 629.870053] [ST]sitronix_ts_pen_up ----------------------------[ 630.173066] [ST]sitronix_ts_pen_down touch[0] DOWN x337 y203[ 630.274557] [ST]sitronix_ts_pen_up ----------------------------lvgl源码log:x:337 y:198 state:1x:337 y:198 state:0x:117 y:203 state:1x:117 y:203 state:0x:117 y:203 state:1x:117 y:203 state:0evtest log:Event: time 1793436957.891393, -------------- SYN_REPORT ------------Event: time 1793436958.177591, type 3 (EV_ABS), code 57 (ABS_MT_TRACKING_ID), value 218Event: time 1793436958.177591, type 3 (EV_ABS), code 53 (ABS_MT_POSITION_X), value 337Event: time 1793436958.177591, type 3 (EV_ABS), code 54 (ABS_MT_POSITION_Y), value 198Event: time 1793436958.177591, type 3 (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value 1Event: time 1793436958.177591, type 3 (EV_ABS), code 58 (ABS_MT_PRESSURE), value 255Event: time 1793436958.177591, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 1Event: time 1793436958.177591, -------------- SYN_REPORT ------------Event: time 1793436958.262194, type 3 (EV_ABS), code 57 (ABS_MT_TRACKING_ID), value -1Event: time 1793436958.262194, type 3 (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value 0Event: time 1793436958.262194, type 3 (EV_ABS), code 58 (ABS_MT_PRESSURE), value 0Event: time 1793436958.262194, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 0Event: time 1793436958.262194, -------------- SYN_REPORT ------------Event: time 1793436958.548331, type 3 (EV_ABS), code 57 (ABS_MT_TRACKING_ID), value 219Event: time 1793436958.548331, type 3 (EV_ABS), code 53 (ABS_MT_POSITION_X), value 117Event: time 1793436958.548331, type 3 (EV_ABS), code 54 (ABS_MT_POSITION_Y), value 203Event: time 1793436958.548331, type 3 (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value 1Event: time 1793436958.548331, type 3 (EV_ABS), code 58 (ABS_MT_PRESSURE), value 255Event: time 1793436958.548331, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 1Event: time 1793436958.548331, -------------- SYN_REPORT ------------Event: time 1793436958.683538, type 3 (EV_ABS), code 57 (ABS_MT_TRACKING_ID), value -1Event: time 1793436958.683538, type 3 (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value 0Event: time 1793436958.683538, type 3 (EV_ABS), code 58 (ABS_MT_PRESSURE), value 0Event: time 1793436958.683538, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 0Event: time 1793436958.683538, -------------- SYN_REPORT ------------Event: time 1793436958.986537, type 3 (EV_ABS), code 57 (ABS_MT_TRACKING_ID), value 220Event: time 1793436958.986537, type 3 (EV_ABS), code 53 (ABS_MT_POSITION_X), value 337Event: time 1793436958.986537, type 3 (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value 1Event: time 1793436958.986537, type 3 (EV_ABS), code 58 (ABS_MT_PRESSURE), value 255Event: time 1793436958.986537, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 1Event: time 1793436958.986537, -------------- SYN_REPORT ------------Event: time 1793436959.088045, type 3 (EV_ABS), code 57 (ABS_MT_TRACKING_ID), value -1Event: time 1793436959.088045, type 3 (EV_ABS), code 48 (ABS_MT_TOUCH_MAJOR), value 0Event: time 1793436959.088045, type 3 (EV_ABS), code 58 (ABS_MT_PRESSURE), value 0Event: time 1793436959.088045, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 0Event: time 1793436959.088045, -------------- SYN_REPORT ------------修复方法static int read_input_event(struct tp_input_reader *reader) { struct input_event event; int ret; int report 0; int x -1, y -1; int next 0; int fds_cnt reader-fds_cnt; struct pollfd pollfd[fds_cnt]; for (int i 0; i fds_cnt; i) { pollfd[i].fd reader-fds[i]; pollfd[i].events POLLIN; pollfd[i].revents 0; } ret poll(pollfd, fds_cnt, 0); if (ret 0) return 0; int r_fd 0; for (int i 0; i fds_cnt; i) { if (pollfd[i].revents POLLIN) { r_fd pollfd[i].fd; break; } } if (!r_fd) return 0; next 1; //原实现代码 // while (!report) { // read(r_fd, event, sizeof(struct input_event)); // switch (event.type) { // case EV_KEY: // if (event.code BTN_TOUCH) { // if (event.value 0) // reader-is_press 0; // else // reader-is_press 1; // } // break; // case EV_ABS: // if (event.code ABS_MT_POSITION_X || event.code ABS_X) // x event.value; // if (event.code ABS_MT_POSITION_Y || event.code ABS_Y) // y event.value; // break; // case EV_SYN: // report 1; // if (x 0 y 0) { // reader-x x; // reader-y y; // } // break; // default: // break; // } // } //优化后代码 while (!report) { read(r_fd, event, sizeof(struct input_event)); switch (event.type) { case EV_KEY: if (event.code BTN_TOUCH) { if (event.value 0) reader-is_press 0; else reader-is_press 1; } break; case EV_ABS: if (event.code ABS_MT_POSITION_X || event.code ABS_X) reader-x event.value; if (event.code ABS_MT_POSITION_Y || event.code ABS_Y) reader-y event.value; break; case EV_SYN: report 1; break; default: break; } } return next; }
