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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-07-28 songchao first version
*/
#ifndef __WATCHDOG_H__
#define __WATCHDOG_H__
#include <rtthread.h>
#include "fsl_wdog.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;
const char *name;
rt_uint32_t paddr;
rt_uint32_t vaddr;
rt_uint32_t irqno;
wdog_config_t *config;
};
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__ */
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