还得移植lv的fs

code/esp32c3_espidf/main/CMakeLists.txt

@@ -7,6 +7,21 @@ idf_component_register(
     INCLUDE_DIRS "."
     REQUIRES 
         lvgl
+        spiffs
+        
     PRIV_REQUIRES
     )
 
+set(SPIFFS_PARTITION_NAME "storage")  # 如果分区名是 "storage"
+# 设置 SPIFFS 根目录路径
+set(SPIFFS_IMAGE_DIR "${CMAKE_SOURCE_DIR}/spiffs_image")
+# 确保目录存在
+if(NOT EXISTS ${SPIFFS_IMAGE_DIR})
+    file(MAKE_DIRECTORY ${SPIFFS_IMAGE_DIR})
+endif()
+# 添加 SPIFFS 镜像生成
+spiffs_create_partition_image(
+    ${SPIFFS_PARTITION_NAME}  # 分区名称
+    ${SPIFFS_IMAGE_DIR}       # 源文件目录
+    FLASH_IN_PROJECT          # 生成 flash 目标
+)

code/esp32c3_espidf/main/hello_world_main.c

@@ -18,9 +18,18 @@
 #include "esp_chip_info.h"
 #include "esp_flash.h"
 #include "esp_system.h"
-
+#include "esp_spiffs.h"
 #include "esp_log.h"
 
+#include <string.h>
+#include <sys/unistd.h>
+#include <sys/stat.h>
+#include <dirent.h>      // 关键：包含 DIR 相关定义
+#include <errno.h>       // 错误码定义
+#include <time.h>        // 时间相关函数
+
+#include "spiffs.h"
+
 #include "spi.h"
 
 #include "lcd.h"
@@ -33,18 +42,6 @@
 
 static const char *TAG = "SYS";
 
-// TimerHandle_t periodic_timer = NULL;
-
-// 定时器回调函数（在定时器服务任务中执行）
-// void periodic_timer_callback(TimerHandle_t xTimer)
-// {
-//     // printf("每秒执行一次的函数\n");
-//     //  在这里执行你的周期性任务
-//     //  注意：此回调函数应尽快返回，避免阻塞定时器服务任务
-
-//     lcd_one_second_task();
-// }
-
 // 自定义 tick 获取函数
 static uint32_t custom_tick_get(void)
 {
@@ -52,39 +49,10 @@ static uint32_t custom_tick_get(void)
     return (uint32_t)(esp_timer_get_time() / 1000);
 }
 
-/**
- * Basic example to create a "Hello world" label
- */
 
 
-// static void btn_event_cb(lv_event_t * e)
-// {
-//     lv_event_code_t code = lv_event_get_code(e);
-//     lv_obj_t * btn = lv_event_get_target(e);
-//     if(code == LV_EVENT_CLICKED) {
-//         static uint8_t cnt = 0;
-//         cnt++;
 
-//         /*Get the first child of the button which is the label and change its text*/
-//         lv_obj_t * label = lv_obj_get_child(btn, 0);
-//         lv_label_set_text_fmt(label, "Button: %d", cnt);
-//     }
-// }
 
-// /**
-//  * Create a button with a label and react on click event.
-//  */
-// void lv_example_get_started_2(void)
-// {
-//     lv_obj_t * btn = lv_button_create(lv_screen_active());     /*Add a button the current screen*/
-//     lv_obj_set_pos(btn, 10, 10);                            /*Set its position*/
-//     lv_obj_set_size(btn, 120, 50);                          /*Set its size*/
-//     lv_obj_add_event_cb(btn, btn_event_cb, LV_EVENT_ALL, NULL);           /*Assign a callback to the button*/
-
-//     lv_obj_t * label = lv_label_create(btn);          /*Add a label to the button*/
-//     lv_label_set_text(label, "Button");                     /*Set the labels text*/
-//     lv_obj_center(label);
-// }
 
 void app_main(void)
 {
@@ -121,6 +89,21 @@ void app_main(void)
     ESP_LOGI(TAG, "LVGL memory size: %u bytes", LV_MEM_SIZE);
     ESP_LOGI(TAG, "LVGL color depth: %d bits", LV_COLOR_DEPTH);
 
+    // 1. 初始化 SPIFFS
+    const char *spiffs_base_path = "/spiffs";
+    esp_err_t ret = spiffs_init(spiffs_base_path);
+
+    if (ret != ESP_OK)
+    {
+        ESP_LOGE(TAG, "SPIFFS 初始化失败");
+    }
+    else
+    {
+        ESP_LOGI(TAG, "SPIFFS 初始化OK");
+
+        list_spiffs_files_safe(spiffs_base_path);
+    }
+
     spi_init();
     lcd_init();
 

code/esp32c3_espidf/main/lv_apps/helloworld/lv_helloworld.c

@@ -1,4 +1,7 @@
 #include "lv_helloworld.h"
+#include "lv_load_font_from_spiffs.h"
+
+static const char *TAG = "DEMO1";
 
 LV_FONT_DECLARE(my_cn_font);
 
@@ -7,12 +10,21 @@ LV_FONT_DECLARE(my_cn_font);
  */
 void lv_example_get_started_1(void)
 {
+
+    // 1. 加载中文字体
+    lv_font_t* cn_font_16 = load_chinese_font_from_spiffs("/spiffs/cn_font.bin");
+    if (cn_font_16 == NULL) {
+        ESP_LOGE(TAG, "无法加载中文字体，使用默认字体");
+        cn_font_16 = &my_cn_font; // 回退到默认字体
+    }
+
+
     /*Change the active screen's background color*/
     lv_obj_set_style_bg_color(lv_screen_active(), lv_color_hex(0x003a57), LV_PART_MAIN);
 
     static lv_style_t style_label;
     lv_style_init(&style_label);
-    lv_style_set_text_font(&style_label, &my_cn_font); // 关键：设置字体
+    //lv_style_set_text_font(&style_label, &cn_font_16); // 关键：设置字体
 
     /*Create a white label, set its text and align it to the center*/
     lv_obj_t *label = lv_label_create(lv_screen_active());

code/esp32c3_espidf/main/lv_apps/helloworld/lv_helloworld.h

@@ -2,6 +2,7 @@
 #define LV_HELLOWORLD_H
 
 #include "lvgl.h"
+#include "esp_log.h"
 
 void lv_example_get_started_1(void);
 

code/esp32c3_espidf/main/lv_load_font_from_spiffs.c

@@ -0,0 +1,44 @@
+#include "lv_load_font_from_spiffs.h"
+
+static const char *TAG = "LV_LOAD_FONT";
+
+/**
+ * @brief 从SPIFFS加载中文字体
+ * @param font_path 字体文件路径，如"/spiffs/cn_font.bin"
+ * @return lv_font_t* 成功返回字体指针，失败返回NULL
+ */
+lv_font_t* load_chinese_font_from_spiffs(const char* font_path)
+{
+    ESP_LOGI(TAG, "尝试加载字体: %s", font_path);
+    
+    // 检查文件是否存在
+    FILE* f = fopen(font_path, "rb");
+    if (f == NULL) {
+        ESP_LOGE(TAG, "字体文件不存在: %s", font_path);
+        return NULL;
+    }
+    fclose(f);
+    
+    // LVGL V8/V9通用方法：使用lv_binfont_create
+    lv_font_t* font = lv_binfont_create(font_path);
+    
+    if (font == NULL) {
+        ESP_LOGE(TAG, "字体加载失败: %s", font_path);
+        return NULL;
+    }
+    
+    ESP_LOGI(TAG, "字体加载成功: %s", font_path);
+    return font;
+}
+
+/**
+ * @brief 释放字体资源
+ * @param font 要释放的字体指针
+ */
+void free_chinese_font(lv_font_t* font)
+{
+    if (font != NULL) {
+        lv_binfont_destroy(font);
+        ESP_LOGI(TAG, "字体资源已释放");
+    }
+}

code/esp32c3_espidf/main/lv_load_font_from_spiffs.h

@@ -0,0 +1,30 @@
+#ifndef LV_LOAD_FONT_FROM_SPIFFS_H
+#define LV_LOAD_FONT_FROM_SPIFFS_H
+
+/*********************
+ *      INCLUDES
+ *********************/
+#if defined(LV_LVGL_H_INCLUDE_SIMPLE)
+#include "lvgl.h"
+#else
+#include "lvgl/lvgl.h"
+#endif
+
+#include <stdio.h>
+#include <inttypes.h>
+#include "sdkconfig.h"
+#include <string.h>
+#include <sys/unistd.h>
+#include <sys/stat.h>
+#include <dirent.h>      // 关键：包含 DIR 相关定义
+#include <errno.h>       // 错误码定义
+#include <time.h>        // 时间相关函数
+
+#include "esp_system.h"
+#include "esp_spiffs.h"
+#include "esp_log.h"
+
+lv_font_t* load_chinese_font_from_spiffs(const char* font_path);
+void free_chinese_font(lv_font_t* font);
+
+#endif

code/esp32c3_espidf/main/spiffs.c

@@ -0,0 +1,138 @@
+#include "spiffs.h"
+
+static const char *TAG = "SPIFFS";
+
+/**
+ * @brief 初始化并挂载 SPIFFS 文件系统
+ * @param base_path 挂载点路径（如 "/spiffs"）
+ * @return esp_err_t ESP_OK 成功，其他失败
+ */
+esp_err_t spiffs_init(const char *base_path)
+{
+    ESP_LOGI(TAG, "正在初始化 SPIFFS...");
+
+    esp_vfs_spiffs_conf_t conf = {
+        .base_path = base_path,
+        .partition_label = NULL,       // 使用第一个找到的 SPIFFS 分区
+        .max_files = 10,               // 最大打开文件数
+        .format_if_mount_failed = true // 如果挂载失败则格式化
+    };
+
+    // 挂载 SPIFFS 分区
+    esp_err_t ret = esp_vfs_spiffs_register(&conf);
+    if (ret != ESP_OK)
+    {
+        if (ret == ESP_FAIL)
+        {
+            ESP_LOGE(TAG, "挂载 SPIFFS 失败");
+        }
+        else if (ret == ESP_ERR_NOT_FOUND)
+        {
+            ESP_LOGE(TAG, "未找到 SPIFFS 分区");
+        }
+        else
+        {
+            ESP_LOGE(TAG, "SPIFFS 初始化失败 (%s)", esp_err_to_name(ret));
+        }
+        return ret;
+    }
+
+    ESP_LOGI(TAG, "SPIFFS 挂载成功，挂载点: %s", base_path);
+
+    // 获取分区信息
+    size_t total = 0, used = 0;
+    ret = esp_spiffs_info(NULL, &total, &used);
+    if (ret != ESP_OK)
+    {
+        ESP_LOGE(TAG, "获取 SPIFFS 分区信息失败 (%s)", esp_err_to_name(ret));
+    }
+    else
+    {
+        ESP_LOGI(TAG, "分区大小: 总共 %d KB, 已用 %d KB, 可用 %d KB",
+                 total / 1024, used / 1024, (total - used) / 1024);
+    }
+
+    return ESP_OK;
+}
+
+/**
+ * @brief 列出 SPIFFS 文件（安全版本）
+ */
+void list_spiffs_files_safe(const char *base_path)
+{
+    ESP_LOGI(TAG, "Listing files in %s:", base_path);
+    
+    DIR *dir = opendir(base_path);
+    if (dir == NULL) {
+        ESP_LOGE(TAG, "Failed to open directory %s: %s", 
+                base_path, strerror(errno));
+        return;
+    }
+    
+    struct dirent *entry;
+    int count = 0;
+    
+    while ((entry = readdir(dir)) != NULL) {
+        // 跳过 "." 和 ".."
+        if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) {
+            continue;
+        }
+        
+        // 方法1：使用固定大小缓冲区（512字节足够）
+        char full_path[512];
+        int ret = snprintf(full_path, sizeof(full_path), "%s/%s", base_path, entry->d_name);
+        
+        if (ret < 0) {
+            ESP_LOGW(TAG, "Error formatting path for: %s", entry->d_name);
+            continue;
+        }
+        
+        if ((size_t)ret >= sizeof(full_path)) {
+            ESP_LOGW(TAG, "Path truncated for: %s", entry->d_name);
+            // 继续处理，但路径可能不完整
+        }
+        
+        // 方法2：使用动态分配（如果文件名可能很长）
+        // size_t path_len = strlen(base_path) + 1 + strlen(entry->d_name) + 1;
+        // char *full_path = malloc(path_len);
+        // if (full_path) {
+        //     snprintf(full_path, path_len, "%s/%s", base_path, entry->d_name);
+        //     // ... 使用 full_path
+        //     free(full_path);
+        // }
+        
+        struct stat entry_stat;
+        if (stat(full_path, &entry_stat) == -1) {
+            ESP_LOGW(TAG, "  %s - cannot stat: %s", 
+                    entry->d_name, strerror(errno));
+            continue;
+        }
+        
+        if (S_ISDIR(entry_stat.st_mode)) {
+            ESP_LOGI(TAG, "  [DIR]  %-32s", entry->d_name);
+        } else {
+            const char *unit = "B";
+            double size = (double)entry_stat.st_size;
+            
+            if (size >= 1024.0 * 1024.0) {
+                size /= 1024.0 * 1024.0;
+                unit = "MB";
+            } else if (size >= 1024.0) {
+                size /= 1024.0;
+                unit = "KB";
+            }
+            
+            ESP_LOGI(TAG, "  [FILE] %-32s %8.2f %s", 
+                    entry->d_name, size, unit);
+        }
+        count++;
+    }
+    
+    closedir(dir);
+    
+    if (count == 0) {
+        ESP_LOGI(TAG, "  No files found");
+    } else {
+        ESP_LOGI(TAG, "Total: %d items", count);
+    }
+}

code/esp32c3_espidf/main/spiffs.h

@@ -0,0 +1,21 @@
+#ifndef SPIFFS_H
+#define SPIFFS_H
+
+#include <stdio.h>
+#include <inttypes.h>
+#include "sdkconfig.h"
+#include <string.h>
+#include <sys/unistd.h>
+#include <sys/stat.h>
+#include <dirent.h>      // 关键：包含 DIR 相关定义
+#include <errno.h>       // 错误码定义
+#include <time.h>        // 时间相关函数
+
+#include "esp_system.h"
+#include "esp_spiffs.h"
+#include "esp_log.h"
+
+esp_err_t spiffs_init(const char *base_path);
+void list_spiffs_files_safe(const char *base_path);
+
+#endif

code/esp32c3_espidf/partitions.csv

@@ -3,4 +3,4 @@
 nvs,      data, nvs,     0x9000,  0x6000,
 phy_init, data, phy,     0xf000,  0x1000,
 factory,  app,  factory, 0x10000, 0x1D0000,
-storage,  data, spiffs,  ,        0xF0000,
+storage,  data, spiffs,  ,        0x200000,

code/font/make_font_bin.cmd

@@ -0,0 +1 @@
+lv_font_conv --font HarmonyOS_Sans_SC_Regular.ttf --size 16 --bpp 1 --range 0x20-0x7F --range 0x3000-0x303F --range 0xFF00-0xFFEF --range 0x4E00-0x9FFF --format bin --output cn_font.bin