同上一篇文章
https://luqizhi.icu/wordpress/index.php/2021/11/27/477/
一、点灯科技配网+按钮点亮指示灯
需要库： Blinker ， OneButton 等
参考文档：https://diandeng.tech/doc/getting-start-8266，https://diandeng.tech/doc/config-tool
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| #define BLINKER_WIFI
#define BLINKER_ESP_SMARTCONFIG
#include <Blinker.h>
// Download OneButton library here:
// https://github.com/mathertel/OneButton
#include "OneButton.h"
#if defined(ESP32)
#define BLINKER_BUTTON_PIN 4
#else
#define BLINKER_BUTTON_PIN D7
#endif
// button trigged when pin input level is LOW
OneButton button(BLINKER_BUTTON_PIN, true);
char auth[] = "ec712f5d8f38";
// other
BlinkerButton Button1("btn-abc");
BlinkerNumber Number1("num-abc");
int counter = 0;
// 按下按键即会执行该函数
void button1_callback(const String & state) {
BLINKER_LOG("get button state: ", state);
digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));
}
// other end
// 如果未绑定的组件被触发，则会执行其中内容
void dataRead(const String & data)
{
BLINKER_LOG("Blinker readString: ", data);
counter++;
Number1.print(counter);
}
void deviceReset()
{
// Reset device ,erase WiFi config.
Blinker.reset();
}
void setup()
{
Serial.begin(115200);
BLINKER_DEBUG.stream(Serial);
pinMode(LED_BUILTIN, OUTPUT);
Blinker.begin(auth);
Blinker.attachData(dataRead);
Button1.attach(button1_callback);
button.attachLongPressStop(deviceReset);
}
void loop()
{
Blinker.run();
button.tick();
}
|
APP端设置：
点灯app
二、阿里云物联网/网页控制
详细信息：同上篇文章
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| #include <ESP8266WiFi.h>
/*** 该工程可以在2.4.0版本esp8266库中运行，没在更高版本库中进行测试 ***/
#include <ESP8266WiFi.h>
static WiFiClient espClient;
// 引入阿里云 IoT SDK
#include <AliyunIoTSDK.h>
// 设置产品和设备的信息，从阿里云设备信息里查看
#define PRODUCT_KEY "a1？？ox？？？？"
#define DEVICE_NAME "led3"
#define DEVICE_SECRET "428f？？？？？？？？4f09ac8"
#define REGION_ID "cn-shanghai"
#define WIFI_SSID "Chi？？？wL？？？？"
#define WIFI_PASSWD "i？？？d8i"
const char *ssid = "Chin？？？y3";
const char *password = "idL？？d8i";
WiFiServer server(80);
String readString = ""; //建立一个字符串对象用来接收存放来自客户的数据
//响应头
String responseHeaders =
String("") +
"HTTP/1.1 200 OK\r\n" +
"Content-Type: text/html\r\n" +
"Connection: close\r\n" +
"\r\n";
//网页
String myhtmlPage =
String("") +
"<html>" +
"<head>" +
" <title>luqizhi's web</title>" +
" <script defer=\"defer\">" +
" function ledSwitch() {" +
" var xmlhttp;" +
" if (window.XMLHttpRequest) {" +
" xmlhttp = new XMLHttpRequest();" +
" } else {" +
" xmlhttp = new ActiveXObject(\"Microsoft.XMLHTTP\");" +
" }" +
" xmlhttp.onreadystatechange = function () {" +
" if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {" +
" document.getElementById(\"txtState\").innerHTML = xmlhttp.responseText;" +
" }" +
" }," +
" xmlhttp.open(\"GET\", \"Switch\", true);" +
" xmlhttp.send(); " +
" }" +
" </script>" +
"</head>" +
"<body>" +
" <div id=\"txtState\">Unkwon</div>" +
" <input type=\"button\" value=\"Switch\" onclick=\"ledSwitch()\">" +
"</body>" +
"</html>";
bool LEDSwitch = 1; // 记录LED状态
void setup()
{
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, LOW); // 点亮LED
digitalWrite(LED_BUILTIN, HIGH); // 熄灭LED
Serial.begin(115200);
Serial.println();
Serial.printf("Connecting to %s ", ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
Serial.println(" connected");
server.begin();
Serial.printf("Web server started, open %s in a web browser\n", WiFi.localIP().toString().c_str());
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, HIGH);
// 初始化 wifi
wifiInit(WIFI_SSID, WIFI_PASSWD);
// 初始化 iot，需传入 wifi 的 client，和设备产品信息
AliyunIoTSDK::begin(espClient, PRODUCT_KEY, DEVICE_NAME, DEVICE_SECRET, REGION_ID);
// 绑定一个设备属性回调，当远程修改此属性，会触发 ledSwitchCallback
// PowerSwitch 是在设备产品中定义的物联网模型的 id
AliyunIoTSDK::bindData("powerstate", ledSwitchCallback);
}
void loop()
{
AliyunIoTSDK::loop();
WiFiClient client = server.available(); //尝试建立客户对象
if (client) //如果当前有客户可用
{
boolean currentLineIsBlank = true;
Serial.println("[Client connected]");
while (client.connected()) //如果客户端建立连接
{
if (client.available()) //等待有可读数据
{
char c = client.read(); //读取一字节数据
readString += c; //拼接数据
/************************************************/
if (c == '\n' && currentLineIsBlank) //等待请求头接收完成(接收到空行)
{
//比较接收到的请求数据
if (readString.startsWith("GET / HTTP/1.1")) //如果是网页请求
{
client.print(responseHeaders); //向客户端输出网页响应
client.print(myhtmlPage); //向客户端输出网页内容
client.print("\r\n");
}
else if (readString.startsWith("GET /Switch")) //如果是改变LED状态请求
{
if (LEDSwitch == 1)
{
digitalWrite(LED_BUILTIN, 0); // 点亮LED
client.print("LED has been turn on");
delay(1000);
LEDSwitch = 0;
}
else
{
digitalWrite(LED_BUILTIN, 1); // 熄灭LED
client.print("LED has been turn off");
delay(1000);
LEDSwitch = 1;
}
}
else
{
client.print("\r\n");
}
break;
}
if (c == '\n')
{
currentLineIsBlank = true; //开始新行
}
else if (c != '\r')
{
currentLineIsBlank = false; //正在接收某行中
}
/************************************************/
}
}
delay(1); //等待客户完成接收
client.stop(); //结束当前连接:
Serial.println("[Client disconnected]");
Serial.println(readString); //打印输出来自客户的数据
readString = "";
}
if (LEDSwitch == 1)
{
client.print("LED has been turn on");
}
else
{
client.print("LED has been turn off");
}
}
// 初始化 wifi 连接
void wifiInit(const char *ssid, const char *passphrase)
{
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, passphrase);
while (WiFi.status() != WL_CONNECTED)
{
delay(1000);
Serial.println("WiFi not Connect");
}
Serial.println("Connected to AP");
}
// LED状态修改的回调函数
void ledSwitchCallback(JsonVariant p)
{
int LEDSwitch = p["powerstate"];
// 变更LED状态
Serial.println(LEDSwitch);
if (LEDSwitch==1)
{
digitalWrite(LED_BUILTIN, 0);
}
else
{
digitalWrite(LED_BUILTIN, 1);
}
}
|
生活物联网(living.aliyun.com)
三、计划
接入阿里云生活物联网或点灯科技中的天猫精灵，小爱同学等语音助手。点亮显示屏，驱动舵机等（未购买）
Best Wishes.
lokizi 2021.12.3 23:47
