D:/arduino-1.8.5/Portable/sketchbook/libraries/NBduinoLibrary/src/NBduinoLibrary.cpp

This method is the constructor of the NBduuino

Author

Antonio Cafiero

Parameters

mqttServer	The name or the IP address of the MQTT broker (String)
mqttPort	The port number of the MQTT broker (Int)
mqttUser	The username enabeled to access the MQTT broker (String)
mqttPassword	The password to autenticate the userto access the MQTT broker (String)
timeToConn	The timeout in ms in connection phase (unsigned long)

NBduino NBiot("54.76.137.235", 18224, "test", "test",60000);

Date

14/12/2018

#include <arduino.h>
#include <NBduinoLibrary.h>

static SoftwareSerial mySerial(10, 11); //RX, TX

NBduino::NBduino()
{
}

NBduino::NBduino(const String mqttServer, const int mqttPort, const String mqttUser, const String mqttPassword)
{
    _mqttServer=mqttServer;
    _mqttPort=mqttPort;
    _mqttUser=mqttUser;
    _mqttPassword=mqttPassword;
    _timeToConn=120000;
}

NBduino::NBduino(const String mqttServer, const int mqttPort, const String mqttUser, const String mqttPassword, unsigned long timeToConn)
{
    _mqttServer=mqttServer;
    _mqttPort=mqttPort;
    _mqttUser=mqttUser;
    _mqttPassword=mqttPassword;
    _timeToConn=timeToConn;
}

NBduino::setAPN(String APN)
{
  wakeup();
  mySerial.begin(115200);
  delay(1000);
  mySerial.println("AT+IPR=4800");
  delay (500);
  mySerial.end();
  mySerial.begin(4800);
  delay(500);
  mySerial.print("AT*MCGDEFCONT=");
  mySerial.print("\"");
  mySerial.print("IP");
  mySerial.print("\"");
  mySerial.print(",");
  mySerial.print("\"");
  mySerial.print(APN);
  mySerial.println("\"");
  delay(500);
  mySerial.print("AT+CGDCONT=1,");
  mySerial.print("\"");
  mySerial.print("IP");
  mySerial.print("\"");
  mySerial.print(",");
  mySerial.print("\"");
  mySerial.print(APN);
  mySerial.print("\"");
  mySerial.print(",");
  mySerial.print("\"");
  mySerial.print("\"");
  mySerial.println(",0,0,0,,,,,,0,,0");
  delay(500);
  mySerial.println("AT+CEREG=5");
  delay(500);
  mySerial.println("AT+COPS=?");    
}

bool NBduino::begin()
{
    wakeup();
    mySerial.begin(115200);
    delay(1000);
    mySerial.println("AT+IPR=4800");
    delay (500);
    mySerial.end();
    mySerial.begin(4800);
    delay (500);
    mySerial.println("ATE0");
    mySerial.println("AT+CEREG=5"); //restituisce i parametri della cella LTE
    delay (1500);
    mySerial.flush();
    _lastTime = millis();
    while (1)
    {
        if (millis() - _lastTime < _timeToConn) {
            // get incoming byte:
            _inChar = mySerial.read();
            if ( _inChar == '+') {
                return true;
            }
        }
        else return false;
    }
}

NBduino::wakeup()
{
    digitalWrite(_reset, LOW);
    digitalWrite(_pwrkey, HIGH);
    delay(2000);
    digitalWrite(_pwrkey, LOW);
}

NBduino::sleep()
{
    digitalWrite(_pwrkey, HIGH);
    delay(2000);
    digitalWrite(_pwrkey, LOW);
}

NBduino::publish(const String topic, const String value)
{
    char outword[200];
    String s=value;
    unsigned int len, i;
    len = value.length();
    if(value[len-1]=='\n')
        s[--len] = '\0';

    for(i = 0; i<len; i++) {
        sprintf(outword+i*2, "%02X", s[i]);
    }
    digitalWrite( _led, HIGH );
    delay(2000);
    mySerial.print("AT+CMQNEW=\"");
    mySerial.print(_mqttServer);
    mySerial.print("\",""\"");
    mySerial.print(_mqttPort);
    mySerial.println("\",2400,100");
    delay(2000);
    mySerial.print("AT+CMQCON=0,3,");
    mySerial.print("\"");
    mySerial.print(topic);
    mySerial.print("\"");
    mySerial.print(",1200,0,0,");
    mySerial.print("\"""");
    mySerial.print(_mqttUser);
    mySerial.print("\",""\"");
    mySerial.print(_mqttPassword);
    mySerial.println("\"");
    delay(2000);
    mySerial.print("AT+CMQPUB=0,\"");
    mySerial.print("NBduino/");
    mySerial.print(topic);
    mySerial.print("\",1,0,0,");
    mySerial.print(value.length());
    mySerial.print(",");
    mySerial.print("\"");
    mySerial.print(outword);
    mySerial.println("\"");
    delay(2000);
    mySerial.println("AT+CMQDISCON=0");
    delay(2000);
    digitalWrite(_led, LOW);    //LED OFF
}

String NBduino::reqIMEI()
{
    char aMessage[200];
    unsigned int messageSize;
    char cha;
    mySerial.println("AT+GSN");
    mySerial.flush();
    if (mySerial.available()) {
        for (int c = 0; c <= 99; c++) aMessage[c] = 0;    // clear aMessage in prep for new message
        messageSize = 0;                                  // set message size to zero

        while (mySerial.available()) {            // loop through while data is available
            cha = mySerial.read();                  // get character
            aMessage[messageSize] = cha;            // append to aMessage
            messageSize++;                          // bump message size
            delay(20);                              // just to slow the reads down a bit
        } // while

        aMessage[messageSize] = '\0';             // set last character to a null

        String exString = aMessage;
        exString.remove(0, 2);
        exString.remove(15);
        return exString;
    }
}