【HarmonyOS HiSpark Wi-Fi IoT 套件试用连载】之OLED

本文来源电子发烧友社区，作者：张亭彪， 帖子地址：https://bbs.elecfans.com/jishu_2011342_1_1.html

使用WIFIIOT套件，直观交互最多的就是OLED。
源码LED_example.c里去.把所有的io_9改成11:

1. /*
2. * Copyright (c) 2020 Huawei Device Co., Ltd.
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.  
16. #include
17.  
18. #include
19.  
20. #include "ohos_init.h"
21. #include "cmsis_os2.h"
22. #include "wifiiot_gpio.h"
23. #include "wifiiot_gpio_ex.h"
24.  
25. #define LED_INTERVAL_TIME_US 300000
26. #define LED_TASK_STACK_SIZE 512
27. #define LED_TASK_PRIO 25
28.  
29. enum LedState
30. {
31.     LED_ON = 0,
32.     LED_OFF,
33.     LED_SPARK,
34. };
35.  
36. enum LedState g_ledState = LED_SPARK;
37.  
38. static void *LedTask(const char *arg)
39. {
40.     (void)arg;
41.     while (1)
42.     {
43.         switch (g_ledState)
44.         {
45.         case LED_ON:
46.             GpioSetOutputVal(WIFI_IOT_IO_NAME_GPIO_11, 1);
47.             usleep(LED_INTERVAL_TIME_US);
48.             break;
49.         case LED_OFF:
50.             GpioSetOutputVal(WIFI_IOT_IO_NAME_GPIO_11, 0);
51.             usleep(LED_INTERVAL_TIME_US);
52.             break;
53.         case LED_SPARK:
54.             GpioSetOutputVal(WIFI_IOT_IO_NAME_GPIO_11, 0);
55.             usleep(LED_INTERVAL_TIME_US);
56.             GpioSetOutputVal(WIFI_IOT_IO_NAME_GPIO_11, 1);
57.             usleep(LED_INTERVAL_TIME_US);
58.             break;
59.         default:
60.             usleep(LED_INTERVAL_TIME_US);
61.             break;
62.         }
63.     }
64.  
65.     return NULL;
66. }
67.  
68. static void LedExampleEntry(void)
69. {
70.     osThreadAttr_t attr;
71.     printf("LedExampleEntry
72. ");
73.     GpioInit();
74.     IoSetFunc(WIFI_IOT_IO_NAME_GPIO_11, WIFI_IOT_IO_FUNC_GPIO_11_GPIO);
75.     GpioSetDir(WIFI_IOT_IO_NAME_GPIO_11, WIFI_IOT_GPIO_DIR_OUT);
76.  
77.     attr.name = "LedTask";
78.     attr.attr_bits = 0U;
79.     attr.cb_mem = NULL;
80.     attr.cb_size = 0U;
81.     attr.stack_mem = NULL;
82.     attr.stack_size = LED_TASK_STACK_SIZE;
83.     attr.priority = LED_TASK_PRIO;
84.  
85.     if (osThreadNew((osThreadFunc_t)LedTask, NULL, &attr) == NULL)
86.     {
87.         printf("[LedExample] Falied to create LedTask!
88. ");
89.     }
90. }
91.  
92. SYS_RUN(LedExampleEntry);

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