SIM5320

unsigned long nMillis, oMillis;
char buf[100];

void setup() {
  // put your setup code here, to run once:
    Serial.begin(115200);
    Serial3.begin(4800);
    pinMode(39, OUTPUT);

    rstModem();
    openConnect();

}
void loop() {
  // put your main code here, to run repeatedly:
    nMillis = millis();
    if ( nMillis - oMillis >= 3000){
      pushData();

      oMillis = nMillis;
    }
}

String waitRespon(){
  String txt;
  while (!Serial3.available()){}
  while (Serial3.available()) {
    txt = Serial3.readString();
  }
  return txt;
}

bool replayOK(){
  String txt; int len;
  bool i;
  while(!Serial3.available()){}
  while (Serial3.available()){
    txt = Serial3.readString();
  }
  len = txt.length();
  //Serial.print("len: ");
  //Serial.println(len);
  txt.toCharArray(buf, len);
  txt = "";
  txt = String(buf[len-4]) + buf[len-3];
  if ( txt == "OK" ){
    i = true;
  }else{
    i = false;
  }
  return i;
}

void rstModem(){
    int i;
    char dt[8];
    digitalWrite(39, HIGH);
    delay(1000);
    digitalWrite(39, LOW);
    delay(1000);
    digitalWrite(39, HIGH);
    while (!Serial3.available()){}

    nMillis = millis();
    oMillis = nMillis;
    while ( nMillis - oMillis < 15000){
      nMillis = millis();
      while(Serial3.available()){
        Serial.println(Serial3.readString());
      }
    }
    Serial.println(F("Restart Sukses"));
    oMillis = nMillis;
}

bool reg(){
  bool sts;
  String txt; int len;
  int dt, i;
  Serial3.println("AT+CFUN?");
  txt = waitRespon();
  len = txt.length();
  txt.toCharArray(buf,len);
  for ( i = 0; i < len; i++){
    //Serial.print(i);
    //Serial.println(buf[i]);
    if( buf[i] == ':'){
      break;
    }
  }
  txt = "";
  txt = String(buf[i+2]);
  dt = txt.toInt();
  if ( dt != 1){
    Serial3.println("AT+CFUN=1");
    if (!replayOK){
      delay(5000);
      return;
    }
  }
  if ( dt == 1 ){
    sts = true;
  }else{
    sts = false;
  }
  return sts;
}

void inSSL(){
  String txt; bool i;
  Serial3.println("AT+CGPSSSL=1");
  wRespon(2000);


  Serial.println("SSL");
  delay(1000);
  Serial3.println("AT+CCERTLIST");
  wRespon(2000);

}

void openConnect(){
  delay(500);
  Serial3.println("AT+CFUN?");
  wRespon(1000);

  delay(500);
  Serial3.println("AT+CREG?");
  wRespon(1000);

  delay(500);
  Serial3.println("AT+CGATT=1");
  wRespon(1000);


   delay(500);
   Serial3.println("AT+CGSOCKCONT=1,\"IP\",\"Internet\"");
   wRespon(1000);

   delay(1000);
   Serial3.println("AT+CPSI?");
   wRespon(5000);
}

void pushData(){
   int len; String txt;
   String url = "/pln/i.php?id=01&tgl=2019/3/29&jam=5:17:10";
          url += "&van=223&vbn=112&vcn=111&vab=111&vac=0";
          url += "&vbc=111&ca=0&cb=0&cc=0&cn=0&lu=0&kwh=0";
          url += "&f=50&t=29&h=69&r1=1&s1=1&t1=1&r2=1";
          url += "&s2=1&t2=1&r3=1&s3=1&t3=1&r4=1&s4=1&t4=1\r";
          len = url.length();

   Serial3.println("AT+CHTTPACT=\"example.com\",80");
   wRespon(5000);
   Serial3.print("GET http://example.com" + url + " HTTP/1.0\r\n");
   Serial3.print("Host: example.com\r\n");
   Serial3.print("Connection: close\r\n\r\n");
   Serial3.print(char(0x1A));
   wRespon(15000);

   //Serial3.print(F("POST http://example.com/pln/i.php? HTTP/1.1\r\n"));
   //Serial3.print(F("Host: example.com\r\n"));
   //Serial3.print(F("User-Agent: MY WEB AGENT\r\n"));
   //Serial3.print(F("Accept: */*\r\n"));
   //Serial3.print(F("Content-Type: application/x-www-form-urlencoded\r\n"));
   //Serial3.print(F("Cache-Control: no-cache\r\n"));
   //Serial3.print(F("Accept-Charset: utf-8, us-ascii\r\n"));
   //Serial3.print(F("Pragma: no-cache\r\n"));
   //Serial3.print(String("Content-Length: ") + len + "\r\n");
   //Serial3.println(url);
   //Serial3.print(char(0x1A));
   wRespon(15000);
}

void wRespon(unsigned long waktu){
  nMillis = millis();
   oMillis = nMillis;
   while ( nMillis - oMillis < waktu){
    nMillis = millis();
    while(Serial3.available()){
      Serial.println(Serial3.readString());
    }
   }
}