69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
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/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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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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* 2022-02-22 airm2m first version
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*/
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#include "board.h"
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#include <drivers/watchdog.h>
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#ifdef RT_USING_WDT
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#define LOG_TAG "drv.wdt"
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#include <drv_log.h>
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static rt_watchdog_t watchdog;
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static struct rt_watchdog_ops ops;
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static rt_err_t wdt_init(rt_watchdog_t *wdt)
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{
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return RT_EOK;
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}
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static rt_err_t wdt_control(rt_watchdog_t *wdt, int cmd, void *arg)
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{
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switch (cmd)
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{
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/* feed the watchdog */
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case RT_DEVICE_CTRL_WDT_KEEPALIVE:
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WDT_Feed();
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break;
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/* set watchdog timeout */
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case RT_DEVICE_CTRL_WDT_SET_TIMEOUT:
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WDT_SetTimeout((*((rt_uint32_t*)arg))*1000);
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break;
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case RT_DEVICE_CTRL_WDT_GET_TIMEOUT:
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break;
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case RT_DEVICE_CTRL_WDT_START:
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break;
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default:
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LOG_W("This command is not supported.");
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return -RT_ERROR;
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}
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return RT_EOK;
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}
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int rt_wdt_init(void)
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{
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ops.init = &wdt_init;
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ops.control = &wdt_control;
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watchdog.ops = &ops;
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/* register watchdog device */
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if (rt_hw_watchdog_register(&watchdog, "wdt", RT_DEVICE_FLAG_DEACTIVATE, RT_NULL) != RT_EOK)
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{
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LOG_E("wdt device register failed.");
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return -RT_ERROR;
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}
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LOG_D("wdt device register success.");
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return RT_EOK;
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}
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INIT_BOARD_EXPORT(rt_wdt_init);
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#endif /* RT_USING_WDT */
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