1 /*
2 * Copyright (C) 2022 HiHope Open Source Organization .
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 *
14 * limitations under the License.
15 */
16
17 #include <stdio.h>
18 #include <unistd.h>
19
20 #include "ohos_init.h"
21 #include "cmsis_os2.h"
22 #include "wifiiot_gpio.h"
23 #include "wifiiot_gpio_ex.h"
24 #include "wifiiot_watchdog.h"
25 #include "wifiiot_pwm.h"
26
27 #define ATTR.STACK_SIZE 1024
28 #define TWENTY 20
29 #define FORTY 40
30 #define ONE_THOUSAND 1000
31
32 static int g_beepState = 0;
33
PWMBeerTask(const char * arg)34 static void *PWMBeerTask(const char *arg)
35 {
36 (void)arg;
37
38 printf("PWMBeerTask start!\r\n");
39
40 while (1) {
41 if (g_beepState) {
42 PwmStart(WIFI_IOT_PWM_PORT_PWM0, TWENTY*ONE_THOUSAND, FORTY*ONE_THOUSAND);
43 } else {
44 PwmStop(WIFI_IOT_PWM_PORT_PWM0);
45 }
46 }
47
48 return NULL;
49 }
50
OnButtonPressed(char * arg)51 static void OnButtonPressed(char *arg)
52 {
53 (void) arg;
54 g_beepState = !g_beepState;
55 }
56
StartPWMBeerTask(void)57 static void StartPWMBeerTask(void)
58 {
59 osThreadAttr_t attr;
60
61 GpioInit();
62
63 IoSetFunc(WIFI_IOT_IO_NAME_GPIO_8, WIFI_IOT_IO_FUNC_GPIO_8_GPIO);
64 GpioSetDir(WIFI_IOT_IO_NAME_GPIO_8, WIFI_IOT_GPIO_DIR_IN);
65 IoSetPull(WIFI_IOT_IO_NAME_GPIO_8, WIFI_IOT_IO_PULL_UP);
66 GpioRegisterIsrFunc(WIFI_IOT_IO_NAME_GPIO_8, WIFI_IOT_INT_TYPE_EDGE, WIFI_IOT_GPIO_EDGE_FALL_LEVEL_LOW,
67 OnButtonPressed, NULL);
68
69 IoSetFunc(WIFI_IOT_IO_NAME_GPIO_9, WIFI_IOT_IO_FUNC_GPIO_9_PWM0_OUT);
70 GpioSetDir(WIFI_IOT_IO_NAME_GPIO_9, WIFI_IOT_GPIO_DIR_OUT);
71 PwmInit(WIFI_IOT_PWM_PORT_PWM0);
72
73 WatchDogDisable();
74
75 attr.name = "PWMBeerTask";
76 attr.attr_bits = 0U;
77 attr.cb_mem = NULL;
78 attr.cb_size = 0U;
79 attr.stack_mem = NULL;
80 attr.stack_size = ATTR.STACK_SIZE;
81 attr.priority = osPriorityNormal;
82
83 if (osThreadNew((osThreadFunc_t)PWMBeerTask, NULL, &attr) == NULL) {
84 printf("[StartPWMBeerTask] Failed to create PWMBeerTask!\n");
85 }
86 }
87
88 APP_FEATURE_INIT(StartPWMBeerTask);