/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2021-08-20 Mr.Tiger first version */ #include #include #include #include #include #include #ifdef RT_USING_WDT //#define DRV_DEBUG #define LOG_TAG "drv.wdt" #include static struct rt_watchdog_device ra_wdt_dev; static struct rt_watchdog_ops ops; static rt_err_t wdt_init(rt_watchdog_t *wdt) { return RT_EOK; } static rt_err_t wdt_control(rt_watchdog_t *wdt, int cmd, void *arg) { rt_err_t ret = -RT_ERROR; struct st_wdt_timeout_values *wdt_value = {0}; switch (cmd) { /* feed the watchdog */ case RT_DEVICE_CTRL_WDT_KEEPALIVE: if (R_WDT_Refresh(&g_wdt_ctrl) != FSP_SUCCESS) { LOG_E("watch dog keepalive fail."); ret = -RT_ERROR; } else { ret = RT_EOK; } break; /* set watchdog timeout */ case RT_DEVICE_CTRL_WDT_SET_TIMEOUT: /**< set*/ LOG_W("Use the FSP tool to modify the configuration parameters!"); ret = -RT_EINVAL; break; case RT_DEVICE_CTRL_WDT_GET_TIMEOUT: wdt_value = (struct st_wdt_timeout_values *)arg; if (R_WDT_TimeoutGet(&g_wdt_ctrl, wdt_value) != FSP_SUCCESS) { LOG_E("wdt get timeout failed."); ret = -RT_ERROR; } else { ret = RT_EOK; } break; case RT_DEVICE_CTRL_WDT_START: if (R_WDT_Open(&g_wdt_ctrl, &g_wdt_cfg) == FSP_SUCCESS) { if (R_WDT_Refresh(&g_wdt_ctrl) != FSP_SUCCESS) { LOG_E("wdt start failed."); ret = -RT_ERROR; } else { ret = RT_EOK; } } else { LOG_E("wdt start failed."); ret = -RT_ERROR; } break; default: LOG_W("This command is not supported."); ret = -RT_ERROR; } return ret; } int rt_wdt_init(void) { ops.init = &wdt_init; ops.control = &wdt_control; ra_wdt_dev.ops = &ops; /* register watchdog device */ if (rt_hw_watchdog_register(&ra_wdt_dev, "wdt", RT_DEVICE_FLAG_DEACTIVATE, RT_NULL) != RT_EOK) { LOG_E("wdt device register failed."); return -RT_ERROR; } LOG_D("wdt device register success."); return RT_EOK; } INIT_BOARD_EXPORT(rt_wdt_init); #endif /* RT_USING_WDT */