ESP32 Line Notify

 ESP32 Line Notify 

參考來源 https://youyouyou.pixnet.net/blog/post/120275932-%E7%AC%AC%E5%8D%81%E4%B8%89%E7%AF%87-esp32-line%E9%80%9A%E7%9F%A5%EF%BC%9A%E5%80%89%E5%BA%AB%E6%BA%AB%E5%BA%A6%E7%95%B0%E5%B8%B8%E6%A9%9F%E5%99%A8%E4%BA%BA

測試程式

#include <WiFiManager.h>         // https://github.com/tzapu/WiFiManager

#include <PubSubClient.h>

#include <WiFiClientSecure.h>

//請修改以下參數--------------------------------------------

//char SSID[] = "TOTOLINK_A3002MU";//你的手機熱點名稱

//char PASSWORD[] = "24063173";//熱點密碼

//char SSID[] = "alex9ufo";//你的手機熱點名稱

//char PASSWORD[] = "alex9981";//熱點密碼

String Linetoken = "A2tZgAzEJis1w6xgNeJuID0ew9Nza8cQ8ECylbX5fbG";//跟LINE申請

int sensor;

int randNumber;

//---------------------------------------------------------

WiFiClientSecure client;//網路連線物件

char host[] = "notify-api.line.me";//LINE Notify API網址

#define BUILTIN_LED 2

//======================================================

void autoconnect() {

  // WiFi.mode(WIFI_STA); // explicitly set mode, esp defaults to STA+AP

  // it is a good practice to make sure your code sets wifi mode how you want it.

  // put your setup code here, to run once:

  delay(1000);

    // We start by connecting to a WiFi network

  Serial.println();

  Serial.println();

  Serial.print("Connecting to ");

  //===================================================  

  // WiFiManager

  // Local intialization. Once its business is done, there is no need to keep it around

  WiFiManager wifiManager;

 

  // Uncomment and run it once, if you want to erase all the stored information

  //wifiManager.resetSettings();

 

  // set custom ip for portal

  //wifiManager.setAPConfig(IPAddress(10,0,1,1), IPAddress(10,0,1,1), IPAddress(255,255,255,0));

  // fetches ssid and pass from eeprom and tries to connect

  // if it does not connect it starts an access point with the specified name

  // here  "AutoConnectAP"

  // and goes into a blocking loop awaiting configuration

  //=================================================

  Serial.println("Configuring your Mobile WiFi to esp32ap...");

  Serial.println("Configuring another WiFi SSID,PWD...");

  //===================================================  

  wifiManager.autoConnect("AutoConnectAP");

  // or use this for auto generated name ESP + ChipID

  //wifiManager.autoConnect();

 

  // if you get here you have connected to the WiFi

  Serial.println("Connected.");

  Serial.println("Configuring ESP32...");

  pinMode(BUILTIN_LED, OUTPUT);

}

void setup() {

  //連線到指定的WiFi SSID

  Serial.begin(115200);

  pinMode(BUILTIN_LED, OUTPUT);

  Serial.print("Connecting to wifi.... ");

  //================================================================

  client.setInsecure();//ESP32核心 1.0.6以上  

  // 會遇到「Connection Failed」的問題，主要是因為ESP32的1.0.6的核心會強迫使用SSL認證，

  //此時可以先透過在Setup()內加上「client.setInsecure();」語法來解決

  //================================================================

  autoconnect();

  // if you get here you have connected to the WiFi

  Serial.println("Connected.");

}

void loop() {

  //嘗試讀取感測值內容

    // print a random number from 0 to 299

  randNumber = random(400);

  Serial.println(randNumber);

  //sensor = analogRead(36);//GPIO值(36為ADC0)

  sensor =randNumber;

  //讀取成功

  Serial.print("Sample OK: ");

  Serial.println(sensor);

  //設定觸發LINE訊息條件為

  if ( sensor >200) {

    //組成Line訊息內容

    String message = "發生異常，目前狀態：";

    message += "\n偵測品質=" + String(sensor) + " !";

    Serial.println(message);

    if (client.connect(host, 443)) {

      int LEN = message.length();

      //傳遞POST表頭

      String url = "/api/notify";

      client.println("POST " + url + " HTTP/1.1");

      client.print("Host: "); client.println(host);

      //權杖

      client.print("Authorization: Bearer "); client.println(Linetoken);

      client.println("Content-Type: application/x-www-form-urlencoded");

      client.print("Content-Length: "); client.println( String((LEN + 8)) );

      client.println();      

      client.print("message="); client.println(message);

      client.println();

      //等候回應

      delay(2000);

      String response = client.readString();

      //顯示傳遞結果

      Serial.println(response);

      client.stop(); //斷線，否則只能傳5次

    }

    else {

      //傳送失敗

      Serial.println("connected fail");

    }

  }

  //每5秒讀取一次

  delay(5000);

}