1 /**
2 * Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 *
15 * Description: WDT Sample Source. \n
16 *
17 * History: \n
18 * 2023-06-29, Create file. \n
19 */
20 #include "pinctrl.h"
21 #include "watchdog.h"
22 #include "soc_osal.h"
23 #include "app_init.h"
24
25 #define TIME_OUT 2
26 #define WDT_MODE 1
27 #define TEST_PARAM_KICK_TIME 10
28 #define WDT_TASK_DURATION_MS 500
29
30 #define WDT_TASK_PRIO 24
31 #define WDT_TASK_STACK_SIZE 0x1000
32
watchdog_callback(uintptr_t param)33 static errcode_t watchdog_callback(uintptr_t param)
34 {
35 UNUSED(param);
36 osal_printk("watchdog kick timeout!\r\n");
37 return ERRCODE_SUCC;
38 }
39
watchdog_task(const char * arg)40 static void *watchdog_task(const char *arg)
41 {
42 UNUSED(arg);
43
44 errcode_t ret = uapi_watchdog_init(TIME_OUT);
45 if (ret == ERRCODE_INVALID_PARAM) {
46 osal_printk("param is error, timeout is %d.\r\n", TIME_OUT);
47 return NULL;
48 }
49 (void)uapi_watchdog_enable((wdt_mode_t)WDT_MODE);
50 (void)uapi_register_watchdog_callback(watchdog_callback);
51 osal_printk("init watchdog\r\n");
52 #if defined(CONFIG_WDT_TIMEOUT_SAMPLE)
53 while (1) {};
54 #endif
55
56 #if defined(CONFIG_WDT_KICK_SAMPLE)
57 while (1) {
58 osal_msleep(WDT_TASK_DURATION_MS);
59 (void)uapi_watchdog_kick();
60 osal_printk("kick success\r\n");
61 }
62 #endif
63 (void)uapi_watchdog_deinit();
64 return NULL;
65 }
66
watchdog_entry(void)67 static void watchdog_entry(void)
68 {
69 osal_task *task_handle = NULL;
70 osal_kthread_lock();
71 task_handle = osal_kthread_create((osal_kthread_handler)watchdog_task, 0, "WatchdogTask", WDT_TASK_STACK_SIZE);
72 if (task_handle != NULL) {
73 osal_kthread_set_priority(task_handle, WDT_TASK_PRIO);
74 osal_kfree(task_handle);
75 }
76 osal_kthread_unlock();
77 }
78
79 /* Run the watchdog_entry. */
80 app_run(watchdog_entry);