first commit

application/samples/peripheral/watchdog/CMakeLists.txt

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+#===============================================================================
+# @brief    cmake file
+# Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
+#===============================================================================
+set(SOURCES "${SOURCES}" "${CMAKE_CURRENT_SOURCE_DIR}/watchdog_demo.c" PARENT_SCOPE)

application/samples/peripheral/watchdog/Kconfig

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+#===============================================================================
+# @brief    Kconfig file.
+# Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
+#===============================================================================
+config WDT_TIMEOUT_SAMPLE
+    bool
+    prompt "Choose watchdog kick timeout."
+    depends on SAMPLE_SUPPORT_WDT
+    default n
+
+config WDT_KICK_SAMPLE
+    bool
+    prompt "Choose watchdog kick normally."
+    depends on SAMPLE_SUPPORT_WDT
+    default n

application/samples/peripheral/watchdog/watchdog.code-workspace

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+{
+	"folders": [
+		{
+			"path": "../../../../"
+		}
+	],
+	"settings": {
+		"debug.onTaskErrors": "debugAnyway",
+		"workspace.samplePath": "./samples/peripheral/watchdog"
+	}
+}

application/samples/peripheral/watchdog/watchdog_demo.c

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+/**
+ * Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
+ *
+ * Description: WDT Sample Source. \n
+ *
+ * History: \n
+ * 2023-06-29, Create file. \n
+ */
+#include "pinctrl.h"
+#include "watchdog.h"
+#include "soc_osal.h"
+#include "app_init.h"
+
+#define TIME_OUT                  2
+#define WDT_MODE                  1
+#define TEST_PARAM_KICK_TIME      10
+#define WDT_TASK_DURATION_MS      500
+
+#define WDT_TASK_PRIO             24
+#define WDT_TASK_STACK_SIZE       0x1000
+
+static errcode_t watchdog_callback(uintptr_t param)
+{
+    UNUSED(param);
+    osal_printk("watchdog kick timeout!\r\n");
+    return ERRCODE_SUCC;
+}
+
+static void *watchdog_task(const char *arg)
+{
+    UNUSED(arg);
+
+    errcode_t ret = uapi_watchdog_init(TIME_OUT);
+    if (ret == ERRCODE_INVALID_PARAM) {
+        osal_printk("param is error, timeout is %d.\r\n", TIME_OUT);
+        return NULL;
+    }
+    (void)uapi_watchdog_enable((wdt_mode_t)WDT_MODE);
+    (void)uapi_register_watchdog_callback(watchdog_callback);
+    osal_printk("init watchdog\r\n");
+#if defined(CONFIG_WDT_TIMEOUT_SAMPLE)
+    while (1) {};
+#endif
+
+#if defined(CONFIG_WDT_KICK_SAMPLE)
+    while (1) {
+        osal_msleep(WDT_TASK_DURATION_MS);
+        (void)uapi_watchdog_kick();
+        osal_printk("kick success\r\n");
+    }
+#endif
+    (void)uapi_watchdog_deinit();
+    return NULL;
+}
+
+static void watchdog_entry(void)
+{
+    osal_task *task_handle = NULL;
+    osal_kthread_lock();
+    task_handle = osal_kthread_create((osal_kthread_handler)watchdog_task, 0, "WatchdogTask", WDT_TASK_STACK_SIZE);
+    if (task_handle != NULL) {
+        osal_kthread_set_priority(task_handle, WDT_TASK_PRIO);
+        osal_kfree(task_handle);
+    }
+    osal_kthread_unlock();
+}
+
+/* Run the watchdog_entry. */
+app_run(watchdog_entry);