初始提交卡包 USB 工程

纳入固件源码、屏幕组件、nand_xfer 工具和文档。忽略本机构建产物、sdkconfig，以及含本机路径的依赖锁。

Co-authored-by: Cursor <[email protected]>

main/NVS_FLASH/nvs_flash.c

@@ -0,0 +1,43 @@
+#include "nvs_flash.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "nvs.h"
+#include "esp_log.h"
+#include <string.h>
+
+static const char *TAG = "emoji_information";
+
+//NVS 命名空间
+#define NVS_NAMESPACE  "emoji_config"
+//版本号的键名
+#define VERSION_KEY     "emoji_version"
+
+#define VERSION_BUF_SIZE   32
+
+esp_err_t nvs_emoji_init(void) // nvs  初始化
+{
+    esp_err_t err = nvs_flash_init();
+
+    if(err == ESP_ERR_NVS_NO_FREE_PAGES || err == ESP_ERR_NVS_NEW_VERSION_FOUND)
+    {
+        ESP_LOGI(TAG,"NVS paratition need erase , reinitializing ...");
+        err = nvs_flash_erase();
+        if(err != ESP_OK)
+        {
+            ESP_LOGI(TAG,"NVS flash erase failed : %s ", esp_err_to_name(err));            
+            return err;
+        }
+        err = nvs_flash_init();
+    }
+
+    if(err != ESP_OK)
+    {
+        ESP_LOGI(TAG,"NVS initialization failed : %s",esp_err_to_name(err));
+        return err;
+    }
+
+    ESP_LOGI(TAG,"NVS initialized successfully");
+    return ESP_OK;    
+}
+
+

main/NVS_FLASH/nvs_flash.h

@@ -0,0 +1,5 @@
+#ifndef __NVS_FLASH_H__
+#define __NVS_FLASH_H__
+
+
+#endif