特性 (UI)：实现包含屏幕、图像和字体的 UI 组件

新增资源文件：添加了字体、图像和屏幕相关的头文件与源文件。
定义数据结构：创建了用于描述字体和图像的数据结构。
实现主屏逻辑：实现了主屏幕的创建函数以及周期性刷新（tick）函数。
集成 LVGL 管理：集成了 LVGL 主题初始化及屏幕管理功能。
添加 UI 初始化：新增 UI 初始化及刷新函数，用于管理界面更新。
重构主入口：重构主应用程序入口，以支持 UI 任务及 FreeRTOS 多任务调度。
更新构建配置：更新了 CMakeLists 及组件配置，以包含新的依赖项。

components/ui/.eez-project-build

@@ -0,0 +1,18 @@
+{
+  "files": [
+    "actions.h",
+    "eez-flow.cpp",
+    "eez-flow.h",
+    "fonts.h",
+    "images.c",
+    "images.h",
+    "screens.c",
+    "screens.h",
+    "structs.h",
+    "styles.c",
+    "styles.h",
+    "ui.c",
+    "ui.h",
+    "vars.h"
+  ]
+}

components/ui/CMakeLists.txt

@@ -0,0 +1,6 @@
+
+idf_component_register(
+    SRC_DIRS "."
+    INCLUDE_DIRS "."
+    REQUIRES lvgl esp_lvgl_port
+)

components/ui/actions.h

@@ -0,0 +1,14 @@
+#ifndef EEZ_LVGL_UI_EVENTS_H
+#define EEZ_LVGL_UI_EVENTS_H
+
+#include <lvgl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*EEZ_LVGL_UI_EVENTS_H*/

components/ui/fonts.h

@@ -0,0 +1,24 @@
+#ifndef EEZ_LVGL_UI_FONTS_H
+#define EEZ_LVGL_UI_FONTS_H
+
+#include <lvgl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef EXT_FONT_DESC_T
+#define EXT_FONT_DESC_T
+typedef struct _ext_font_desc_t {
+    const char *name;
+    const void *font_ptr;
+} ext_font_desc_t;
+#endif
+
+extern ext_font_desc_t fonts[];
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*EEZ_LVGL_UI_FONTS_H*/

components/ui/images.c

@@ -0,0 +1,5 @@
+#include "images.h"
+
+const ext_img_desc_t images[1] = {
+    0
+};

components/ui/images.h

@@ -0,0 +1,24 @@
+#ifndef EEZ_LVGL_UI_IMAGES_H
+#define EEZ_LVGL_UI_IMAGES_H
+
+#include <lvgl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef EXT_IMG_DESC_T
+#define EXT_IMG_DESC_T
+typedef struct _ext_img_desc_t {
+    const char *name;
+    const lv_img_dsc_t *img_dsc;
+} ext_img_desc_t;
+#endif
+
+extern const ext_img_desc_t images[1];
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*EEZ_LVGL_UI_IMAGES_H*/

components/ui/screens.c

@@ -0,0 +1,154 @@
+#include <string.h>
+
+#include "screens.h"
+#include "images.h"
+#include "fonts.h"
+#include "actions.h"
+#include "vars.h"
+#include "styles.h"
+#include "ui.h"
+
+#include <string.h>
+
+objects_t objects;
+
+static const char *screen_names[] = { "Main" };
+static const char *object_names[] = { "main" };
+
+//
+// Event handlers
+//
+
+lv_obj_t *tick_value_change_obj;
+
+//
+// Screens
+//
+
+void create_screen_main() {
+    void *flowState = getFlowState(0, 0);
+    (void)flowState;
+    lv_obj_t *obj = lv_obj_create(0);
+    objects.main = obj;
+    lv_obj_set_pos(obj, 0, 0);
+    lv_obj_set_size(obj, 240, 240);
+    lv_obj_set_style_bg_color(obj, lv_color_hex(0xff075d00), LV_PART_MAIN | LV_STATE_DEFAULT);
+    {
+        lv_obj_t *parent_obj = obj;
+        {
+            lv_obj_t *obj = lv_label_create(parent_obj);
+            lv_obj_set_pos(obj, 75, 103);
+            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            lv_label_set_text(obj, "Hello, world!");
+        }
+    }
+    
+    tick_screen_main();
+}
+
+void tick_screen_main() {
+    void *flowState = getFlowState(0, 0);
+    (void)flowState;
+}
+
+typedef void (*tick_screen_func_t)();
+tick_screen_func_t tick_screen_funcs[] = {
+    tick_screen_main,
+};
+void tick_screen(int screen_index) {
+    tick_screen_funcs[screen_index]();
+}
+void tick_screen_by_id(enum ScreensEnum screenId) {
+    tick_screen_funcs[screenId - 1]();
+}
+
+//
+// Fonts
+//
+
+ext_font_desc_t fonts[] = {
+#if LV_FONT_MONTSERRAT_8
+    { "MONTSERRAT_8", &lv_font_montserrat_8 },
+#endif
+#if LV_FONT_MONTSERRAT_10
+    { "MONTSERRAT_10", &lv_font_montserrat_10 },
+#endif
+#if LV_FONT_MONTSERRAT_12
+    { "MONTSERRAT_12", &lv_font_montserrat_12 },
+#endif
+#if LV_FONT_MONTSERRAT_14
+    { "MONTSERRAT_14", &lv_font_montserrat_14 },
+#endif
+#if LV_FONT_MONTSERRAT_16
+    { "MONTSERRAT_16", &lv_font_montserrat_16 },
+#endif
+#if LV_FONT_MONTSERRAT_18
+    { "MONTSERRAT_18", &lv_font_montserrat_18 },
+#endif
+#if LV_FONT_MONTSERRAT_20
+    { "MONTSERRAT_20", &lv_font_montserrat_20 },
+#endif
+#if LV_FONT_MONTSERRAT_22
+    { "MONTSERRAT_22", &lv_font_montserrat_22 },
+#endif
+#if LV_FONT_MONTSERRAT_24
+    { "MONTSERRAT_24", &lv_font_montserrat_24 },
+#endif
+#if LV_FONT_MONTSERRAT_26
+    { "MONTSERRAT_26", &lv_font_montserrat_26 },
+#endif
+#if LV_FONT_MONTSERRAT_28
+    { "MONTSERRAT_28", &lv_font_montserrat_28 },
+#endif
+#if LV_FONT_MONTSERRAT_30
+    { "MONTSERRAT_30", &lv_font_montserrat_30 },
+#endif
+#if LV_FONT_MONTSERRAT_32
+    { "MONTSERRAT_32", &lv_font_montserrat_32 },
+#endif
+#if LV_FONT_MONTSERRAT_34
+    { "MONTSERRAT_34", &lv_font_montserrat_34 },
+#endif
+#if LV_FONT_MONTSERRAT_36
+    { "MONTSERRAT_36", &lv_font_montserrat_36 },
+#endif
+#if LV_FONT_MONTSERRAT_38
+    { "MONTSERRAT_38", &lv_font_montserrat_38 },
+#endif
+#if LV_FONT_MONTSERRAT_40
+    { "MONTSERRAT_40", &lv_font_montserrat_40 },
+#endif
+#if LV_FONT_MONTSERRAT_42
+    { "MONTSERRAT_42", &lv_font_montserrat_42 },
+#endif
+#if LV_FONT_MONTSERRAT_44
+    { "MONTSERRAT_44", &lv_font_montserrat_44 },
+#endif
+#if LV_FONT_MONTSERRAT_46
+    { "MONTSERRAT_46", &lv_font_montserrat_46 },
+#endif
+#if LV_FONT_MONTSERRAT_48
+    { "MONTSERRAT_48", &lv_font_montserrat_48 },
+#endif
+};
+
+//
+//
+//
+
+void create_screens() {
+    
+    eez_flow_init_fonts(fonts, sizeof(fonts) / sizeof(ext_font_desc_t));
+
+// Set default LVGL theme
+    lv_display_t *dispp = lv_display_get_default();
+    lv_theme_t *theme = lv_theme_default_init(dispp, lv_palette_main(LV_PALETTE_BLUE), lv_palette_main(LV_PALETTE_RED), false, LV_FONT_DEFAULT);
+    lv_display_set_theme(dispp, theme);
+    
+    // Initialize screens
+    eez_flow_init_screen_names(screen_names, sizeof(screen_names) / sizeof(const char *));
+    eez_flow_init_object_names(object_names, sizeof(object_names) / sizeof(const char *));
+    
+    // Create screens
+    create_screen_main();
+}

components/ui/screens.h

@@ -0,0 +1,36 @@
+#ifndef EEZ_LVGL_UI_SCREENS_H
+#define EEZ_LVGL_UI_SCREENS_H
+
+#include <lvgl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Screens
+
+enum ScreensEnum {
+    _SCREEN_ID_FIRST = 1,
+    SCREEN_ID_MAIN = 1,
+    _SCREEN_ID_LAST = 1
+};
+
+typedef struct _objects_t {
+    lv_obj_t *main;
+} objects_t;
+
+extern objects_t objects;
+
+void create_screen_main();
+void tick_screen_main();
+
+void tick_screen_by_id(enum ScreensEnum screenId);
+void tick_screen(int screen_index);
+
+void create_screens();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*EEZ_LVGL_UI_SCREENS_H*/

components/ui/structs.h

@@ -0,0 +1,13 @@
+#ifndef EEZ_LVGL_UI_STRUCTS_H
+#define EEZ_LVGL_UI_STRUCTS_H
+
+#include "eez-flow.h"
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "vars.h"
+
+using namespace eez;
+
+#endif /*EEZ_LVGL_UI_STRUCTS_H*/

components/ui/styles.c

@@ -0,0 +1,6 @@
+#include "styles.h"
+#include "images.h"
+#include "fonts.h"
+
+#include "ui.h"
+#include "screens.h"

components/ui/styles.h

@@ -0,0 +1,14 @@
+#ifndef EEZ_LVGL_UI_STYLES_H
+#define EEZ_LVGL_UI_STYLES_H
+
+#include <lvgl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*EEZ_LVGL_UI_STYLES_H*/

components/ui/ui.c

@@ -0,0 +1,47 @@
+#include "ui.h"
+#include "screens.h"
+#include "images.h"
+#include "actions.h"
+#include "vars.h"
+
+// ASSETS DEFINITION
+const uint8_t assets[332] = {
+    0x7E, 0x45, 0x45, 0x5A, 0x03, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00,
+    0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0xF0, 0x00, 0xF0, 0x00, 0x01, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+    0x20, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+    0xD4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0xFF, 0xFF, 0x10, 0x00, 0x00, 0x00, 0x3C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x44, 0x65, 0x66, 0x61, 0x75, 0x6C, 0x74, 0x00, 0x08, 0x00, 0x00, 0x00,
+    0x24, 0x00, 0x00, 0x00, 0x30, 0x75, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x03, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0xFF, 0xFF, 0x00, 0x00, 0x31, 0x75, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x03, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0xFF, 0xFF, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00,
+    0x18, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0xE0, 0x00, 0x00,
+    0x00, 0xE0, 0x00, 0x00, 0x00, 0xE0, 0x00, 0x00, 0x00, 0xE0, 0x00, 0x00, 0x00, 0xE0, 0x00, 0x00,
+    0x00, 0xE0, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+native_var_t native_vars[] = {
+    { NATIVE_VAR_TYPE_NONE, 0, 0 },
+};
+
+ActionExecFunc actions[] = {
+    0
+};
+
+void ui_init() {
+    eez_flow_init(assets, sizeof(assets), (lv_obj_t **)&objects, sizeof(objects), images, sizeof(images), actions);
+}
+
+void ui_tick() {
+    eez_flow_tick();
+    tick_screen(g_currentScreen);
+}

components/ui/ui.h

@@ -0,0 +1,21 @@
+#ifndef EEZ_LVGL_UI_GUI_H
+#define EEZ_LVGL_UI_GUI_H
+
+#include <lvgl.h>
+
+#include "eez-flow.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern const uint8_t assets[332];
+
+void ui_init();
+void ui_tick();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // EEZ_LVGL_UI_GUI_H

components/ui/vars.c

@@ -0,0 +1,2 @@
+#include <string.h>
+#include <stdint.h>

components/ui/vars.h

@@ -0,0 +1,25 @@
+#ifndef EEZ_LVGL_UI_VARS_H
+#define EEZ_LVGL_UI_VARS_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// enum declarations
+
+// Flow global variables
+
+enum FlowGlobalVariables {
+    FLOW_GLOBAL_VARIABLE_NONE
+};
+
+// Native global variables
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*EEZ_LVGL_UI_VARS_H*/