Set the main menu item name to Chinese.

src/fonts/language.c

@@ -0,0 +1,44 @@
+#include "language.h"
+
+lang_e LANGUAGE = lang_simplified_chinese;
+
+translate_t simplified_chinese[] = {
+    {"Scan Now", "扫频"},
+    {"Source", "信号源"},
+    {"Image Setting", "图像设置"},
+    {"OSD", "OSD"},
+    {"Power", "电源"},
+    {"Fans", "风扇"},
+    {"Record Option", "录像设置"},
+    {"Auto Scan", "自动扫频"},
+    {"ELRS", "ELRS"},
+    {"WiFi Module", "WiFi模块"},
+    {"Head Tracker", "头部追踪"},
+    {"Playback", "录像回放"},
+    {"Storage", "存储"},
+    {"Firmware   ", "固件"},
+    {"Focus Chart", "焦点图"},
+    {"Clock", "时间"},
+    {"Input", "按键"},
+    {"Go Sleep!", "睡眠"},
+};
+
+char *translate_string(const char *str, lang_e lang) {
+    int i;
+    int string_num = sizeof(simplified_chinese) / sizeof(translate_t);
+
+    if (lang == 0)
+        return (char *)str;
+    else {
+        for (i = 0; i < string_num; i++) {
+            if (strcmp(str, simplified_chinese[i].in_english) == 0)
+                return simplified_chinese[i].translate;
+        }
+        return (char *)str;
+    }
+}
+
+void lv_label_set_text_lang(lv_obj_t *obj, const char *text, lang_e lang) {
+    char *text_lang = _str(text, lang);
+    lv_label_set_text(obj, text_lang);
+}

src/fonts/language.h

@@ -0,0 +1,23 @@
+#ifndef _LANGUAGE_H_
+#define _LANGUAGE_H_
+
+#include <lvgl/lvgl.h>
+
+typedef enum {
+    lang_english = 0,
+    lang_simplified_chinese = 1,
+} lang_e;
+
+typedef struct {
+    char *in_english;
+    char *translate;
+} translate_t;
+
+char *translate_string(const char *str, lang_e lang);
+
+#define _str(string, lang) translate_string(string, lang)
+
+void lv_label_set_text_lang(lv_obj_t *obj, const char *text, lang_e lang);
+
+extern lang_e LANGUAGE;
+#endif

src/ui/ui_main_menu.c

@@ -10,6 +10,7 @@
 #include "driver/hardware.h"
 #include "driver/mcp3021.h"
 #include "driver/oled.h"
+#include "fonts/language.h"
 #include "ui/page_autoscan.h"
 #include "ui/page_clock.h"
 #include "ui/page_common.h"
@@ -67,7 +68,7 @@ static page_pack_t *page_packs[] = {
 
 #define PAGE_COUNT (sizeof(page_packs) / sizeof(page_packs[0]))
 
-static page_pack_t* post_bootup_actions[PAGE_COUNT + 1];
+static page_pack_t *post_bootup_actions[PAGE_COUNT + 1];
 
 static page_pack_t *find_pp(lv_obj_t *page) {
     for (uint32_t i = 0; i < PAGE_COUNT; i++) {
@@ -78,15 +79,15 @@ static page_pack_t *find_pp(lv_obj_t *page) {
     return NULL;
 }
 
-static void select_menu_tab(page_pack_t* pp) {
+static void select_menu_tab(page_pack_t *pp) {
     lv_obj_clear_flag(pp->icon, LV_OBJ_FLAG_HIDDEN);
-    lv_obj_set_style_bg_opa(((lv_menu_t*)menu)->selected_tab, LV_OPA_50, LV_STATE_CHECKED);
+    lv_obj_set_style_bg_opa(((lv_menu_t *)menu)->selected_tab, LV_OPA_50, LV_STATE_CHECKED);
 }
 
-static void deselect_menu_tab(page_pack_t* pp) {
+static void deselect_menu_tab(page_pack_t *pp) {
     // LV_OPA_20 is the default for pressed menu
     // see lv_theme_default.c styles->menu_pressed
-    lv_obj_set_style_bg_opa(((lv_menu_t*)menu)->selected_tab, LV_OPA_20, LV_STATE_CHECKED);
+    lv_obj_set_style_bg_opa(((lv_menu_t *)menu)->selected_tab, LV_OPA_20, LV_STATE_CHECKED);
     lv_obj_add_flag(pp->icon, LV_OBJ_FLAG_HIDDEN);
 }
 
@@ -100,7 +101,8 @@ void submenu_enter(void) {
 
     if (pp->p_arr.max) {
         // if we have selectable entries, select the first selectable one
-        for (pp->p_arr.cur = 0; !lv_obj_has_flag(pp->p_arr.panel[pp->p_arr.cur], FLAG_SELECTABLE); ++pp->p_arr.cur);
+        for (pp->p_arr.cur = 0; !lv_obj_has_flag(pp->p_arr.panel[pp->p_arr.cur], FLAG_SELECTABLE); ++pp->p_arr.cur)
+            ;
         set_select_item(&pp->p_arr, pp->p_arr.cur);
     }
 
@@ -270,7 +272,7 @@ static void main_menu_create_entry(lv_obj_t *menu, lv_obj_t *section, page_pack_
     lv_obj_t *cont = lv_menu_cont_create(section);
 
     pp->label = lv_label_create(cont);
-    lv_label_set_text(pp->label, pp->name);
+    lv_label_set_text_lang(pp->label, pp->name, LANGUAGE);
     lv_obj_set_style_text_font(pp->label, &lv_font_montserrat_26, 0);
     lv_label_set_long_mode(pp->label, LV_LABEL_LONG_SCROLL_CIRCULAR);
 
@@ -319,7 +321,7 @@ void main_menu_init(void) {
                     post_bootup_actions[PAGE_COUNT] = post_bootup_actions[i];
                     post_bootup_actions[i] = post_bootup_actions[j];
                     post_bootup_actions[j] = post_bootup_actions[PAGE_COUNT];
-                } 
+                }
             }
         }
     }
@@ -371,7 +373,7 @@ void main_menu_update() {
                         ++last_bootup_action;
                     }
                 } else { // Thread invokation
-                    if (post_bootup_actions[i]->post_bootup_run_function){
+                    if (post_bootup_actions[i]->post_bootup_run_function) {
                         post_bootup_actions[i]->post_bootup_run_function();
                         post_bootup_actions[i]->post_bootup_run_function = NULL;
                     } else if (post_bootup_actions[i]->post_bootup_run_complete()) {

src/ui/ui_main_menu.h

@@ -12,7 +12,7 @@ extern "C" {
 #include "ui/page_common.h"
 
 typedef struct {
-    const char *name;
+    char *name;
     panel_arr_t p_arr;
 
     lv_obj_t *page;
@@ -29,8 +29,8 @@ typedef struct {
     void (*on_right_button)(bool is_short);
 
     int32_t post_bootup_run_priority;
-    void(*post_bootup_run_function)();
-    bool(*post_bootup_run_complete)();
+    void (*post_bootup_run_function)();
+    bool (*post_bootup_run_complete)();
 } page_pack_t;
 
 typedef struct {