sdio+fatfs创建

rt-thread/components/drivers/include/drivers/watchdog.h

@@ -0,0 +1,42 @@
+/*
+ * COPYRIGHT (C) 2011-2021, Real-Thread Information Technology Ltd
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2012-09-12     heyuanjie87  first version.
+ */
+
+#ifndef  __WATCHDOG_H__
+#define  __WATCHDOG_H__
+
+#include <rtthread.h>
+
+#define RT_DEVICE_CTRL_WDT_GET_TIMEOUT    (1) /* get timeout(in seconds) */
+#define RT_DEVICE_CTRL_WDT_SET_TIMEOUT    (2) /* set timeout(in seconds) */
+#define RT_DEVICE_CTRL_WDT_GET_TIMELEFT   (3) /* get the left time before reboot(in seconds) */
+#define RT_DEVICE_CTRL_WDT_KEEPALIVE      (4) /* refresh watchdog */
+#define RT_DEVICE_CTRL_WDT_START          (5) /* start watchdog */
+#define RT_DEVICE_CTRL_WDT_STOP           (6) /* stop watchdog */
+
+struct rt_watchdog_ops;
+struct rt_watchdog_device
+{
+    struct rt_device parent;
+    const struct rt_watchdog_ops *ops;
+};
+typedef struct rt_watchdog_device rt_watchdog_t;
+
+struct rt_watchdog_ops
+{
+    rt_err_t (*init)(rt_watchdog_t *wdt);
+    rt_err_t (*control)(rt_watchdog_t *wdt, int cmd, void *arg);
+};
+
+rt_err_t rt_hw_watchdog_register(rt_watchdog_t *wdt,
+                                 const char    *name,
+                                 rt_uint32_t    flag,
+                                 void          *data);
+
+#endif /* __WATCHDOG_H__ */