alex9ufo 聰明人求知心切: 1月 2024

2024作業2-3 ESP32 +( RFID +LED) + (Node-Red & SQLite ) + Line Notify

(Arduino , Node-Red 程式中的 alex9ufo 全部改成自己的英文命名)

使用Node-Red 第一次一定要先建立資料庫不然看不到資料

資料庫的目錄位置查sqlite節點

每一個sqlite節點都要修改成自己的目錄, alex9ufo MQTT Topic都要修改成自己的命名

Node-Red程式

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msg;\n","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":300,"y":120,"wires":[["87753bab743780b6"]]},{"id":"ce6821a4e3477f88","type":"ui_button","z":"41b4f910767c89fe","name":"","group":"e7c2632dca7fe97d","order":6,"width":3,"height":1,"passthru":false,"label":"(L)建立資料庫","tooltip":"","color":"","bgcolor":"green","className":"","icon":"","payload":"建立資料庫","payloadType":"str","topic":"topic","topicType":"msg","x":100,"y":120,"wires":[["2217429dcc495c1d","f0786a2cfb254c77"]]},{"id":"f0786a2cfb254c77","type":"ui_audio","z":"41b4f910767c89fe","name":"","group":"11d8514.a44dcaf","voice":"Microsoft Hanhan - Chinese (Traditional, 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Today = new Date();\nvar yyyy = Today.getFullYear(); //年\nvar MM = Today.getMonth()+1; //月\nvar dd = Today.getDate(); //日\nvar h = Today.getHours(); //時\nvar m = Today.getMinutes(); //分\nvar s = Today.getSeconds(); //秒\nif(MM<10)\n{\n MM = '0'+MM;\n}\n\nif(dd<10)\n{\n dd = '0'+dd;\n}\n\nif(h<10)\n{\n h = '0'+h;\n}\n\nif(m<10)\n{\n m = '0' + m;\n}\n\nif(s<10)\n{\n s = '0' + s;\n}\nvar var_date = yyyy+'/'+MM+'/'+dd;\nvar var_time = h+':'+m+':'+s;\n\nvar myLED = msg.payload;\n\n\nmsg.topic = \"INSERT INTO LEDSTATUS ( STATUS , Date , Time ) VALUES ($myLED, $var_date , $var_time ) \" ;\nmsg.payload = [myLED, var_date , var_time ]\nreturn msg;\n\n\n//INSERT INTO LEDSTATUS (\n//id INTEGER,\n//STATUS TEXT,\n//Date DATE,\n//Time TIME,\n//PRIMARY KEY (id)\n//);\n","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":280,"y":260,"wires":[["ba1700a943b1bd1b"]]},{"id":"0ff8eda4c787fbee","type":"ui_audio","z":"41b4f910767c89fe","name":"","group":"11d8514.a44dcaf","voice":"Microsoft 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TABLE LEDSTATUS (\n//id INTEGER,\n//STATUS TEXT,\n//Date DATE,\n//Time TIME,\n//PRIMARY KEY (id)\n//);\n//CREATE TABLE LEDSTATUS (id INTEGER,STATUS TEXT,Date DATE,Time TIME,PRIMARY KEY (id));\nmsg.topic = \"DROP TABLE LEDSTATUS\";\nreturn msg;\n","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":500,"y":600,"wires":[["0ac15eb28214b6b7"]]},{"id":"0ac15eb28214b6b7","type":"sqlite","z":"41b4f910767c89fe","mydb":"a4c15c0e38a27cca","sqlquery":"msg.topic","sql":"","name":"LED_STATUS","x":720,"y":520,"wires":[["9e29d6efb208526e"]]},{"id":"eee0e0562add3a05","type":"ui_button","z":"41b4f910767c89fe","name":"","group":"e7c2632dca7fe97d","order":4,"width":3,"height":1,"passthru":false,"label":"(L)刪除所有資料 ","tooltip":"","color":"","bgcolor":"green","className":"","icon":"","payload":"刪除所有資料 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#include "arduino_secrets.h"

組譯錯誤代表

缺少 arduino_secrets.h 檔案

裡面內容有2行

#define SECRET_SSID ""

#define SECRET_PASS ""

Arduino程式

//定義MFRC522 RFID read 與 ESP32 介面 接腳連接Pin assign
/* Wiring RFID RC522 module  
==============================================================
GND     = GND   3.3V    = 3.3V
The following table shows the typical pin layout used:
 *             MFRC522      ESP32     
 *             Reader/PCD             
 * Signal      Pin          Pin         
 * -----------------------------------
 * RST/Reset   RST          GPIO27   
 * SPI SS      SDA(SS)      GPIO5     
 * SPI MOSI    MOSI         GPIO23    
 * SPI MISO    MISO         GPIO19    
 * SPI SCK     SCK          GPIO18    
 *
[1] (1, 2) Configurable, typically defined as RST_PIN in sketch/program.
[2] (1, 2) Configurable, typically defined as SS_PIN in sketch/program.
[3] The SDA pin might be labeled SS on some/older MFRC522 boards
=============================================================
*/
// Wifi 與 MQttClient 程式庫
#include <ArduinoMqttClient.h>
#include <WiFi.h>
#include "arduino_secrets.h"

//MFRC522 程式庫
#include <SPI.h>
#include <MFRC522.h>

//GPIO 2 D1 Build in LED

#define LED 13           //定義LED接腳

///////please enter your sensitive data in the Secret tab/arduino_secrets.h
//char ssid[] = "TOTOLINK_A3002MU";    // your network SSID (name)
//char pass[] = "24063173";    // your network password (use for WPA, or use as key for WEP)
// WiFi SSID password , SSID 和密碼進行Wi-Fi 設定 
//const char ssid[] = "alex9ufo"; // Enter your Wi-Fi name
//const char pass[] = "alex9981";  // Enter Wi-Fi password

char ssid[] = "dlink-103A";    // your network SSID (name)
char pass[] = "bdcce12882";    // your network password (use for WPA, or use as key for WEP)

WiFiClient wifiClient;
MqttClient mqttClient(wifiClient);

//const char broker[] = "test.mosquitto.org";
const char broker[] = "broker.mqtt-dashboard.com";
int        port     = 1883;
String json = "";
const char *topic1 = "alex9ufo/esp32/led";
const char *topic2 = "alex9ufo/esp32/led_status";
const char *topic3 = "alex9ufo/esp32/RFID";

//const char *topic1 = "alex9ufo/RFID/read";
//const char *topic3 = "alex9ufo/RFID/back";
const char willTopic[] = "alex9ufo/esp32/Starting";
//======================================================
#define RST_PIN      27        // 讀卡機的重置腳位
#define SS_PIN       5        // 晶片選擇腳位
MFRC522 mfrc522(SS_PIN, RST_PIN);    // 建立MFRC522物件
MFRC522::MIFARE_Key key;  // 儲存金鑰
MFRC522::StatusCode status;
//===========================================================
//布林代數 LED狀態 是否連上網路ESP32 ready ?
bool ledState = false;
bool atwork = false;
bool Flash = false;  //true
bool Timer = false;  //true
bool Send = false;  //true
String LEDjson = "";
int Count= 0;
//===========================================================
void onMqttMessage(int messageSize) {
  // we received a message, print out the topic and contents
  Serial.print("Received a message with topic '");
  Serial.print(mqttClient.messageTopic());
  String Topic= mqttClient.messageTopic();
  Serial.print("', duplicate = ");
  Serial.print(mqttClient.messageDup() ? "true" : "false");
  Serial.print(", QoS = ");
  Serial.print(mqttClient.messageQoS());
  Serial.print(", retained = ");
  Serial.print(mqttClient.messageRetain() ? "true" : "false");
  Serial.print("', length ");
  Serial.print(messageSize);
  Serial.println(" bytes:");
  String message="";
  // use the Stream interface to print the contents
  while (mqttClient.available()) {
    //Serial.print((char)mqttClient.read());
    message += (char)mqttClient.read();
  }

  Serial.println(message);
  message.trim();
  Topic.trim();

  if (Topic=="alex9ufo/esp32/led") {
  if (message == "on") {
    digitalWrite(LED, LOW);  // Turn on the LED
    ledState = true;  //ledState = ture HIGH
    //設定 各個 旗號
    Flash = false;
    Timer = false;
    LEDjson ="ON";
    Send = true ;
    Serial.print("LED =");
    Serial.println(LEDjson);
    }
  if (message == "off" ) {
    digitalWrite(LED, HIGH); // Turn off the LED
    ledState = false; //ledState = false LOW
    Flash = false;
    Timer = false;
    LEDjson ="OFF";
    Send = true ;
    Serial.print("LED =");
    Serial.println(LEDjson);
  }

  if (message == "flash" ) {
    digitalWrite(LED, LOW); // Turn off the LED
    Flash = true;
    Timer = false;
    LEDjson ="FLASH";
    Send = true ;  
    Serial.print("LED =");
    Serial.println(LEDjson);      
  }

  if (message == "timer" ) {
    digitalWrite(LED, LOW); // Turn off the LED
    Flash = false;
    Timer = true;
    LEDjson ="TIMER";
    Send = true ;
    Count= 11;
    Serial.print("LED =");
    Serial.println(LEDjson);
  }

  if (message == "toggle" ) {
    digitalWrite(LED, !digitalRead(LED));   // Turn the LED toggle
    Flash = false;
    Timer = false;
    LEDjson ="TOGGLE";
    Send = true ; 
    Serial.print("LED =");
    Serial.println(LEDjson);       
  }

    Serial.println();
    Serial.println("-----------------------");
  }  
}

//===========================================================
String printHex(byte *buffer, byte bufferSize) {
      String id = "";
      for (byte i = 0; i < bufferSize; i++) {
        id += buffer[i] < 0x10 ? "0" : "";
        id += String(buffer[i], HEX);
        id +=" ";
      }
      return id;
}
//===========================================================
//副程式  setup wifi
void setup_wifi() {
  delay(10);
  // We start by connecting to a WiFi network
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);     //print ssid
  WiFi.begin(ssid, pass);  //初始化WiFi 函式庫並回傳目前的網路狀態
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }   //假設 wifi 未連接 show ………

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}  
//===========================================================
//判斷 旗號Flash , Timer 是否為真
void LED_Message() {
  if (Flash){
    digitalWrite(LED, !digitalRead(LED));
    delay(500);
    if (digitalRead(LED))
      ledState = true;
    else
      ledState = false;
  } //(Flash)

  if (Timer) {
    digitalWrite(LED,LOW );
    delay(500);
    if (digitalRead(LED))
      ledState = true;
    else
      ledState = false;

    Count=Count-1;
    if (Count == 0 ){
      Timer=false;
      digitalWrite(LED, HIGH);
      ledState = false;
    }
  } //(Timer)

  ////判斷 旗號 Send 是否為真 回傳MQTT訊息到MQTT Broker　
  if (Send) {
    // Convert JSON string to character array
    Serial.print("Publish message: ");
    Serial.println(LEDjson);
    LEDjson.trim();

    bool retained = false;
    int qos = 1;
    bool dup = false;
    
    // Publish JSON character array to MQTT topic
    mqttClient.beginMessage(topic2,  LEDjson.length(), retained, qos, dup);  //LED Status
    mqttClient.print(LEDjson);
    mqttClient.endMessage();
    Send = false;    //處理過後 旗號 Send為假
  }

} 
//=========================================================== 
void setup() {
  pinMode(LED, OUTPUT);
  digitalWrite(LED, HIGH);  // Turn off the LED initially
  //Initialize serial and wait for port to open: 
  Serial.begin(115200);   // Initialize serial communications with the PC
  while (!Serial);    // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
  
  setup_wifi();
  Serial.println("You're connected to the network");
  Serial.println();
  
  String willPayload = "ESP32 Start working....!";
  bool willRetain = true;
  int willQos = 1;

  mqttClient.beginWill(willTopic, willPayload.length(), willRetain, willQos);
  mqttClient.print(willPayload);
  mqttClient.endWill();

  Serial.print("Attempting to connect to the MQTT broker: ");
  Serial.println(broker);

  if (!mqttClient.connect(broker, port)) {
    Serial.print("MQTT connection failed! Error code = ");
    Serial.println(mqttClient.connectError());

    while (1);
  }

  Serial.println("You're connected to the MQTT broker!");
  Serial.println();

  // set the message receive callback
  mqttClient.onMessage(onMqttMessage);
  Serial.print("Subscribing to topic: ");
  Serial.println(topic1);
  // subscribe to a topic
  // the second parameter sets the QoS of the subscription,
  // the the library supports subscribing at QoS 0, 1, or 2
  int subscribeQos = 1;
  mqttClient.subscribe(topic1, subscribeQos);


  Serial.println();
  SPI.begin();      // Init SPI bus
  mfrc522.PCD_Init();   // Init MFRC522
  delay(4);       // Optional delay. Some board do need more time after init to be ready, see Readme
  //mfrc522.PCD_DumpVersionToSerial();  // Show details of PCD - MFRC522 Card Reader details
  Serial.println(F("Scan PICC to see UID, SAK, type, and data blocks..."));
}
//===========================================================
void loop() {
  
  // call poll() regularly to allow the library to receive MQTT messages and
  // send MQTT keep alives which avoids being disconnected by the broker
  mqttClient.poll();
  
  LED_Message();
  // to avoid having delays in loop, we'll use the strategy from BlinkWithoutDelay
  // see: File -> Examples -> 02.Digital -> BlinkWithoutDelay for more info
  unsigned long currentMillis = millis();


 if (mfrc522.PICC_IsNewCardPresent() && mfrc522.PICC_ReadCardSerial()) {
    
     Serial.println(F("Please scan MIFARE Classic card..."));
    // 確認是否有新卡片
    
    byte *id = mfrc522.uid.uidByte;   // 取得卡片的UID
    byte idSize = mfrc522.uid.size;   // 取得UID的長度
    String Type;
    Serial.print("PICC type: ");      // 顯示卡片類型
    // 根據卡片回應的SAK值（mfrc522.uid.sak）判斷卡片類型
    MFRC522::PICC_Type piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
    Type= mfrc522.PICC_GetTypeName(piccType);
    Serial.println(mfrc522.PICC_GetTypeName(piccType));

    Serial.print("UID Size: ");       // 顯示卡片的UID長度值
    Serial.println(idSize);
 
    for (byte i = 0; i < idSize; i++) {  // 逐一顯示UID碼
      Serial.print("id[");
      Serial.print(i);
      Serial.print("]: ");
      Serial.println(id[i], HEX);       // 以16進位顯示UID值
    }
    Serial.println();



    json="";
    //json = json +(" Card UID: ");
    String json1=printHex(mfrc522.uid.uidByte, mfrc522.uid.size);
    json1.toUpperCase();
    json = json + json1;
    json.trim();
    //json = json +(" , PICC type: ");
    //json =  json + Type;
    //json.trim();

    bool retained = false;
    int qos = 1;
    bool dup = false;

    mqttClient.beginMessage(topic3,  json.length(), retained, qos, dup);
    mqttClient.print(json);
    mqttClient.endMessage();

    Serial.println();
    // Dump debug info about the card; PICC_HaltA() is automatically called
    // 令卡片進入停止狀態
    // Dump debug info about the card; PICC_HaltA() is automatically called
    // mfrc522.PICC_DumpToSerial(&(mfrc522.uid));
    
    mfrc522.PICC_HaltA();
    mfrc522.PCD_StopCrypto1(); // stop encryption on PCD
  }
}
////===========================================================

alex9ufo 聰明人求知心切

2024年1月30日星期二

2024作業2-3 ESP32 +( RFID +LED) + (Node-Red & SQLite ) + Line Notify

Messaging API作為替代方案

2024年1月30日 星期二

2024作業2-3 ESP32 +( RFID +LED) + (Node-Red & SQLite ) + Line Notify

Messaging API作為替代方案

2024年1月30日星期二