【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. */
16. #include
18. #include
20. #include "ohos_init.h"
21. #include "cmsis_os2.h"
22. #include "wifiiot_gpio.h"
23. #include "wifiiot_gpio_ex.h"
25. #define LED_INTERVAL_TIME_US 300000
26. #define LED_TASK_STACK_SIZE 512
27. #define LED_TASK_PRIO 25
29. enum LedState
30. {
31. LED_ON = 0,
32. LED_OFF,
33. LED_SPARK,
34. };
36. enum LedState g_ledState = LED_SPARK;
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. }
65. return NULL;
66. }
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);
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;
85. if (osThreadNew((osThreadFunc_t)LedTask, NULL, &attr) == NULL)
86. {
87. printf("[LedExample] Falied to create LedTask!
88. ");
89. }
90. }
92. SYS_RUN(LedExampleEntry);

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