108 lines
2.2 KiB
C
108 lines
2.2 KiB
C
/*
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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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* 2021-11-15 JasonHu first version
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*/
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#include <rtthread.h>
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#include <rthw.h>
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#include <rtdevice.h>
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#include <sunxi_hal_watchdog.h>
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#define DBG_SECTION_NAME "wdt"
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#include <rtdbg.h>
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#if defined(RT_USING_WDT) && defined(BSP_USING_WDT)
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/* hardware only support (1-16)s */
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static rt_uint32_t wdg_timeout = 0;
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static rt_err_t wdg_init(rt_watchdog_t *wdt)
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{
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wdg_timeout = 0;
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hal_watchdog_init();
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return RT_EOK;
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}
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static rt_err_t wdg_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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case RT_DEVICE_CTRL_WDT_SET_TIMEOUT:
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if (arg)
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{
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wdg_timeout = *(rt_uint32_t *)arg;
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}
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else
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{
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LOG_E("arg is NULL!");
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return RT_EIO;
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}
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break;
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case RT_DEVICE_CTRL_WDT_GET_TIMEOUT:
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if (arg)
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{
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*((rt_uint32_t *)arg) = wdg_timeout;
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}
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else
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{
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LOG_E("arg is NULL!");
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return RT_EIO;
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}
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break;
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case RT_DEVICE_CTRL_WDT_GET_TIMELEFT:
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LOG_E("not support RT_DEVICE_CTRL_WDT_GET_TIMELEFT on this platform!");
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if (arg)
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{
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*((rt_uint32_t *)arg) = 0;
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}
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else
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{
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LOG_E("arg is NULL!");
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}
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return RT_EIO;
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case RT_DEVICE_CTRL_WDT_KEEPALIVE:
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hal_watchdog_feed();
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break;
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case RT_DEVICE_CTRL_WDT_START:
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hal_watchdog_start(wdg_timeout);
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break;
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case RT_DEVICE_CTRL_WDT_STOP:
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hal_watchdog_stop(wdg_timeout);
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break;
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default:
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return RT_EIO;
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}
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return RT_EOK;
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}
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static const struct rt_watchdog_ops wdg_pos =
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{
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wdg_init,
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wdg_control,
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};
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static rt_watchdog_t wdg;
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int rt_hw_wdg_init(void)
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{
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wdg.ops = &wdg_pos;
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rt_hw_watchdog_register(&wdg, "wdt", 0, RT_NULL);
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return RT_EOK;
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}
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INIT_DEVICE_EXPORT(rt_hw_wdg_init);
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void rt_hw_cpu_reset(void)
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{
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rt_hw_interrupt_disable();
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hal_watchdog_start(1);
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while(1);
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}
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MSH_CMD_EXPORT_ALIAS(rt_hw_cpu_reset, reboot, reset machine);
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#endif /* RT_USING_WDT && BSP_USING_WDT */
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