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本文來源電子發(fā)燒友社區(qū)，作者：張亭彪，帖子地址：https://bbs.elecfans.com/jishu_2011342_1_1.html

使用WIFIIOT套件，直觀交互最多的就是OLED。
源碼LED_example.c里去.把所有的io_9改成11:

/*
* Copyright (c) 2020 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include
#include
#include "ohos_init.h"
#include "cmsis_os2.h"
#include "wifiiot_gpio.h"
#include "wifiiot_gpio_ex.h"
#define LED_INTERVAL_TIME_US 300000
#define LED_TASK_STACK_SIZE 512
#define LED_TASK_PRIO 25
enum LedState
{
LED_ON = 0,
LED_OFF,
LED_SPARK,
};
enum LedState g_ledState = LED_SPARK;
static void *LedTask(const char *arg)
{
(void)arg;
while (1)
{
switch (g_ledState)
{
case LED_ON:
GpioSetOutputVal(WIFI_IOT_IO_NAME_GPIO_11, 1);
usleep(LED_INTERVAL_TIME_US);
break;
case LED_OFF:
GpioSetOutputVal(WIFI_IOT_IO_NAME_GPIO_11, 0);
usleep(LED_INTERVAL_TIME_US);
break;
case LED_SPARK:
GpioSetOutputVal(WIFI_IOT_IO_NAME_GPIO_11, 0);
usleep(LED_INTERVAL_TIME_US);
GpioSetOutputVal(WIFI_IOT_IO_NAME_GPIO_11, 1);
usleep(LED_INTERVAL_TIME_US);
break;
default:
usleep(LED_INTERVAL_TIME_US);
break;
}
}
return NULL;
}
static void LedExampleEntry(void)
{
osThreadAttr_t attr;
printf("LedExampleEntry
");
GpioInit();
IoSetFunc(WIFI_IOT_IO_NAME_GPIO_11, WIFI_IOT_IO_FUNC_GPIO_11_GPIO);
GpioSetDir(WIFI_IOT_IO_NAME_GPIO_11, WIFI_IOT_GPIO_DIR_OUT);
attr.name = "LedTask";
attr.attr_bits = 0U;
attr.cb_mem = NULL;
attr.cb_size = 0U;
attr.stack_mem = NULL;
attr.stack_size = LED_TASK_STACK_SIZE;
attr.priority = LED_TASK_PRIO;
if (osThreadNew((osThreadFunc_t)LedTask, NULL, &attr) == NULL)
{
printf("[LedExample] Falied to create LedTask!
");
}
}
SYS_RUN(LedExampleEntry);

復(fù)制代碼

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