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43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/*
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* COPYRIGHT (C) 2018, Real-Thread Information Technology Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2012-09-12 heyuanjie87 first version.
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*/
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#ifndef __WATCHDOG_H__
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#define __WATCHDOG_H__
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#include <rtthread.h>
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#define RT_DEVICE_CTRL_WDT_GET_TIMEOUT (1) /* get timeout(in seconds) */
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#define RT_DEVICE_CTRL_WDT_SET_TIMEOUT (2) /* set timeout(in seconds) */
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#define RT_DEVICE_CTRL_WDT_GET_TIMELEFT (3) /* get the left time before reboot(in seconds) */
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#define RT_DEVICE_CTRL_WDT_KEEPALIVE (4) /* refresh watchdog */
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#define RT_DEVICE_CTRL_WDT_START (5) /* start watchdog */
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#define RT_DEVICE_CTRL_WDT_STOP (6) /* stop watchdog */
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struct rt_watchdog_ops;
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struct rt_watchdog_device
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{
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struct rt_device parent;
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const struct rt_watchdog_ops *ops;
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};
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typedef struct rt_watchdog_device rt_watchdog_t;
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struct rt_watchdog_ops
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{
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rt_err_t (*init)(rt_watchdog_t *wdt);
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rt_err_t (*control)(rt_watchdog_t *wdt, int cmd, void *arg);
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};
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rt_err_t rt_hw_watchdog_register(rt_watchdog_t *wdt,
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const char *name,
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rt_uint32_t flag,
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void *data);
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#endif /* __WATCHDOG_H__ */
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