93 lines
1.7 KiB
C
93 lines
1.7 KiB
C
/*
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* Copyright (c) 2006-2024, 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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* 2024-09-04 Alex First version for MCXC444
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*/
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#include <rtthread.h>
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#include "drv_wdt.h"
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#include "fsl_cop.h"
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#include "fsl_clock.h"
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struct mcx_cop
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{
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rt_watchdog_t watchdog;
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SIM_Type *cop_base;
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};
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static struct mcx_cop cop_dev;
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static rt_err_t cop_init(rt_watchdog_t *wdt)
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{
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cop_config_t config;
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COP_GetDefaultConfig(&config);
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config.timeoutMode = kCOP_ShortTimeoutMode;
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config.clockSource = kCOP_LpoClock;
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config.timeoutCycles = kCOP_2Power10CyclesOr2Power18Cycles;
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config.enableStop = true;
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config.enableDebug = true;
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COP_Init(cop_dev.cop_base, &config);
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return RT_EOK;
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}
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static rt_err_t cop_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_START:
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{
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return RT_EOK;
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}
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case RT_DEVICE_CTRL_WDT_STOP:
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{
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COP_Disable(cop_dev.cop_base);
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return RT_EOK;
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}
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case RT_DEVICE_CTRL_WDT_KEEPALIVE:
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{
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COP_Refresh(cop_dev.cop_base);
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return RT_EOK;
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}
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case RT_DEVICE_CTRL_WDT_SET_TIMEOUT:
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return -RT_ERROR;
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default:
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return -RT_ERROR;
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}
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}
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static struct rt_watchdog_ops cop_ops =
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{
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cop_init,
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cop_control,
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};
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int rt_hw_cop_init(void)
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{
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cop_dev.cop_base = SIM;
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cop_dev.watchdog.ops = &cop_ops;
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if (rt_hw_watchdog_register(&cop_dev.watchdog, "cop", RT_DEVICE_FLAG_DEACTIVATE, RT_NULL) != RT_EOK)
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{
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rt_kprintf("cop register failed\n");
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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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INIT_BOARD_EXPORT(rt_hw_cop_init);
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