sdio+fatfs创建

applications/main.c

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2006-2025, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2025-10-18     RT-Thread    first version
+ */
+
+#include <rtthread.h>
+
+#include "dfs_fs.h"
+#include <rtdbg.h>
+
+#define DB_NAME "/rt.db"
+
+#define DBG_TAG "main"
+#define DBG_LVL DBG_LOG
+#include <rtdbg.h>
+
+
+
+int main(void)
+{
+    rt_thread_mdelay(100);      //等待sd_mount线程挂载文件系统，可使用IPC信号量完成同步，提高实时性
+
+    int db_helper_init(void);
+
+    return RT_EOK;
+}

applications/mount_sdio_elmfatfs.c

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-07-29     andy       the first version
+ */
+#include <rtthread.h>
+#include "dfs_fs.h"
+
+
+#define DBG_TAG "mount_fs"
+#define DBG_LVL DBG_LOG
+#include <rtdbg.h>
+
+
+
+void sd_mount(void *parameter)
+{
+    while (1)
+    {
+
+        if(rt_device_find("sd0") != RT_NULL)
+        {
+            if (dfs_mount("sd0", "/", "elm", 0, 0) == RT_EOK)
+            {
+                LOG_I("sd card mount to '/fatfs'");
+                break;
+            }
+            else
+            {
+                LOG_W("sd card mount to '/fatfs' failed!");
+            }
+        }
+    }
+}
+
+int stm32_sdcard_mount(void)
+{
+    rt_thread_t tid;
+
+    tid = rt_thread_create("sd_mount", sd_mount, RT_NULL,
+                           2048, RT_THREAD_PRIORITY_MAX - 2, 20);
+    if (tid != RT_NULL)
+    {
+        rt_thread_startup(tid);
+    }
+    else
+    {
+        LOG_E("create sd_mount thread err!");
+    }
+    return RT_EOK;
+}
+INIT_APP_EXPORT(stm32_sdcard_mount);