ESP8266 RTOS v3.2 DHT11温湿度

最新推荐文章于 2025-05-27 15:45:19 发布

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最新推荐文章于 2025-05-27 15:45:19 发布

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CC 4.0 BY-SA版权

分类专栏： esp8266 文章标签： ESP8266 DHT11

本文链接：https://blog.youkuaiyun.com/qq_36063855/article/details/90751565

这个示例代码展示了如何在ESP8266 RTOS v3.2上使用DHT11传感器读取温湿度数据。通过配置GPIO，设置高低电平和延迟来与DHT11通信，读取并解析返回的温度和湿度值。

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/*
This example code is in the Public Domain (or CC0 licensed, at your option.)

   Unless required by applicable law or agreed to in writing, this
   software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
   CONDITIONS OF ANY KIND, either express or implied.
*/

#include <stdio.h>

#include "esp_system.h"
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
#include "freertos/task.h"
#include "driver/gpio.h"
#include "driver/uart.h"

uint8_t gpio_intr = 0;

TaskHandle_t test_Handle = NULL;
void test_Task(void *pvParameters);
TaskHandle_t test1_Handle = NULL;
void test1_Task(void *pvParameters);
void gpio_handler(void *p);

/******************************************************************************
* FunctionName : app_main
* Description : entry of user application, init user function here
* Parameters   : none
* Returns      : none
*******************************************************************************/
void app_main(void)
{
    uart_set_baudrate(UART_NUM_0, 115200);
    vTaskDelay(1000 / portTICK_PERIOD_MS);
    printf("SDK version:%s\n", esp_get_idf_version());
    xTaskCreate((TaskFunction_t)test_Task,
                           (const char *)"test_Task",
             &