LVGL 库提交

2026-08-30 08:57:07 +08:00
parent 26c9098630
commit e2f199c6bf
1056 changed files with 556743 additions and 45 deletions
@@ -0,0 +1,144 @@
+/*
+ * 模块名称：UI Menu (菜单页面构建)
+ * 模块功能：基于 lv_menu 复现 DTU-HMI 树形菜单，支持方向键导航与返回
+ * 适用平台：STM32F407ZGTx
+ * 作者：王建锋
+ * 创建日期：2026-08-29
+ * 修改记录：
+ *     2026-08-29  王建锋  创建初始版本
+ */
+#include "ui_menu.h"
+
+#include "lvgl.h"
+
+/* 菜单节点表（简化自 DTU-HMI menuTab）：层级 + 名称 */
+typedef struct {
+    uint8_t level;        /* 0=根页面, 1..3=子层次 */
+    const char *name;
+} ui_menu_node_t;
+
+static const ui_menu_node_t g_menu_tab[] = {
+    {0, "主界面"},
+    {1, "装置信息"},
+    {1, "实时数据"},
+    {2, "交流量"},
+    {2, "直流量"},
+    {2, "开入量"},
+    {1, "定值参数"},
+    {2, "定值"},
+    {3, "定值"},
+    {3, "遥调"},
+    {3, "零压"},
+    {3, "电压"},
+    {2, "查看"},
+    {3, "定值"},
+    {3, "遥调"},
+    {3, "零压"},
+    {3, "电压"},
+    {1, "遥测量"},
+    {2, "测量值"},
+    {2, "遥调系数"},
+    {2, "遥测系数"},
+    {2, "双字节"},
+    {2, "装置遥调"},
+    {1, "装置维护"},
+    {2, "时间设置"},
+    {2, "强制复归"},
+    {2, "手动录波"},
+    {2, "自动录波"},
+    {1, "通讯设置"},
+    {2, "通讯参数"},
+    {2, "网络配置"},
+    {2, "SNTP设置"},
+    {1, "记录查询"},
+    {2, "SOE记录"},
+    {2, "事故记录"},
+    {2, "操作记录"},
+    {2, "告警记录"},
+    {2, "变位告警"},
+    {2, "遥信记录"},
+    {2, "自检记录"},
+    {2, "定值记录"},
+    {2, "录波记录"},
+    {0, "厂家设置"},
+    {1, "元件设置"},
+    {1, "恢复默认"},
+    {2, "全部恢复"},
+    {2, "默认参数"},
+    {2, "默认定值"},
+    {2, "默认系数"},
+    {2, "电压"},
+    {2, "元件参数"},
+    {1, "版本显示"},
+    {1, "装置遥调"},
+    {2, "测量遥调"},
+    {2, "装置遥调"},
+    {2, "直流遥调"},
+    {2, "开出遥调"},
+    {2, "装置记录"},
+    {2, "告警记录"},
+    {2, "遥调记录"},
+    {2, "信号复归"},
+    {1, "版本信息"},
+};
+
+/*
+ * 函数功能：构建菜单（lv_menu 页面树），复现参考项目菜单结构
+ * 入口参数：无
+ * 返回值：0 - 成功，其他 - 失败（对象创建失败）
+ * 限定条件：ui_port_init() 已成功调用，活动屏幕存在
+ * 函数说明：1. 依据紧凑节点表按层级生成 lv_menu 页面与返回栈
+ *           2. 将菜单对象加入默认输入组，支持远端按键导航
+ *           3. 叶子节点挂占位页，等待后续逐项填充具体功能
+ */
+int ui_menu_init(void)
+{
+    lv_obj_t *menu = lv_menu_create(lv_screen_active());
+    if (menu == NULL) {
+        return -1;
+    }
+    lv_obj_set_size(menu, 160, 160);
+    lv_menu_set_mode_root_back_button(menu, LV_MENU_ROOT_BACK_BUTTON_ENABLED);
+    lv_group_add_obj(lv_group_get_default(), menu);
+
+    uint32_t n = sizeof(g_menu_tab) / sizeof(g_menu_tab[0]);
+    lv_obj_t *root_page = NULL;
+    lv_obj_t *parent_stack[4] = {NULL, NULL, NULL, NULL};
+
+    for (uint32_t i = 0; i < n; i++) {
+        uint8_t L = g_menu_tab[i].level;
+        const char *name = g_menu_tab[i].name;
+
+        if (i == 0) {
+            /* 第 0 节点为根（主界面） */
+            root_page = lv_menu_page_create(menu, name);
+            parent_stack[0] = root_page;
+            continue;
+        }
+
+        /* 当前节点页面 */
+        lv_obj_t *page = lv_menu_page_create(menu, name);
+
+        /* 叶子：页内挂占位内容 */
+        int leaf = (i + 1 >= n) || (g_menu_tab[i + 1].level <= L);
+        if (leaf) {
+            lv_obj_t *ph = lv_menu_cont_create(page);
+            lv_obj_t *pl = lv_label_create(ph);
+            lv_label_set_text(pl, "功能未实现（占位）");
+        }
+
+        /* 挂到父页：level0 直挂根，其余挂到上一级页面 */
+        lv_obj_t *parent = (L == 0) ? root_page : parent_stack[L - 1];
+
+        /* 在父页创建一个容器项，点击加载当前页 */
+        lv_obj_t *item = lv_menu_cont_create(parent);
+        lv_obj_t *lbl = lv_label_create(item);
+        lv_label_set_text(lbl, name);
+        lv_menu_set_load_page_event(menu, item, page);
+
+        parent_stack[L] = page;
+    }
+
+    lv_menu_set_page(menu, root_page);
+    return 0;
+}