create lang folder

CMakeLists.txt

@@ -70,6 +70,7 @@ file(GLOB SRC_FILES_BMI   "src/bmi270/*.c" "src/bmi270/*.h")
 file(GLOB SRC_FILES_UTIL "src/util/*.c" "src/util/*.h")
 file(GLOB SRC_FILES_PLAYER "src/player/*.c" "src/player/*.h")
 file(GLOB SRC_FILES_EMULATOR "src/emulator/*.c" "src/emulator/*.h")
+file(GLOB SRC_FILES_LANG "src/lang/*.c" "src/lang/*.h")
 
 set(SRC_FILES
 	${SRC_FILES_CORE}
@@ -79,6 +80,7 @@ set(SRC_FILES
 	${SRC_FILES_UI}
 	${SRC_FILES_BMI}
 	${SRC_FILES_UTIL}
+	${SRC_FILES_LANG}
 )
 if(EMULATOR_BUILD)
 	list(APPEND SRC_FILES ${SRC_FILES_EMULATOR})

src/lang/english.c

@@ -0,0 +1,23 @@
+
+#include "english.h"
+
+translate_t translate_english[TRANSLATE_STRING_NUM] = {
+    {"Scan Now", "Scan Now"},
+    {"Source", "Source"},
+    {"Image Setting", "Image Setting"},
+    {"OSD", "OSD"},
+    {"Power", "Power"},
+    {"Fans", "Fans"},
+    {"Record Option", "Record Option"},
+    {"Auto Scan", "Auto Scan"},
+    {"ELRS", "ELRS"},
+    {"WiFi Module", "WiFi Module"},
+    {"Head Tracker", "Head Tracker"},
+    {"Playback", "Playback"},
+    {"Storage", "Storage"},
+    {"Firmware   ", "Firmware   "},
+    {"Focus Chart", "Focus Chart"},
+    {"Clock", "Clock"},
+    {"Input", "Input"},
+    {"Go Sleep!", "Go Sleep!"},
+};

src/lang/english.h

@@ -0,0 +1,8 @@
+
+#ifndef _ENGLISH_H_
+#define _ENGLISH_H_
+
+#include "language.h"
+
+extern translate_t translate_english[TRANSLATE_STRING_NUM];
+#endif

src/lang/language.c

@@ -0,0 +1,40 @@
+#include "language.h"
+#include "english.h"
+#include "simplified_chinese.h"
+#include <log/log.h>
+
+lang_e LANGUAGE = lang_simplified_chinese;
+
+translate_t *translate_list[] = {
+    translate_english,
+    translate_simplified_chinese,
+};
+
+char *translate_string(const char *str, lang_e lang) {
+    int i, j;
+
+    // search language
+    i = 0;
+    while (i != LANGUAGE) {
+        if (i < lang_end)
+            i++;
+    }
+
+    // if language is undefined
+    if (i != LANGUAGE)
+        return (char *)str;
+
+    // search str translate
+    for (j = 0; j < TRANSLATE_STRING_NUM; j++) {
+        if (strcmp(str, translate_list[i][j].in_english) == 0)
+            return translate_list[i][j].translate;
+    }
+
+    // if str is undefined
+    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 → src/lang/language.h

@@ -3,9 +3,12 @@
 
 #include <lvgl/lvgl.h>
 
+#define TRANSLATE_STRING_NUM 18
+
 typedef enum {
     lang_english = 0,
-    lang_simplified_chinese = 1,
+    lang_simplified_chinese,
+    lang_end,
 } lang_e;
 
 typedef struct {

src/lang/simplified_chinese.c

@@ -0,0 +1,23 @@
+
+#include "simplified_chinese.h"
+
+translate_t translate_simplified_chinese[TRANSLATE_STRING_NUM] = {
+    {"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"},
+};

src/lang/simplified_chinese.h

@@ -0,0 +1,8 @@
+
+#ifndef _SIMPLIFIED_CHINESE_H_
+#define _SIMPLIFIED_CHINESE_H_
+
+#include "language.h"
+
+extern translate_t translate_simplified_chinese[TRANSLATE_STRING_NUM];
+#endif

src/ui/ui_main_menu.c

@@ -10,7 +10,7 @@
 #include "driver/hardware.h"
 #include "driver/mcp3021.h"
 #include "driver/oled.h"
-#include "fonts/language.h"
+#include "lang/language.h"
 #include "ui/page_autoscan.h"
 #include "ui/page_clock.h"
 #include "ui/page_common.h"