Perancangan Sistem Pemanasan Mesin Sepeda Motor Secara Otomatis Berbasis Arduino

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LAMPIRAN

1. Source code Arduino. #include "Wire.h"

#include <SoftwareSerial.h> #include <String.h>

#define DS3231_I2C_ADDRESS 0x68 SoftwareSerial sim800l(11, 10); int dLine[28];

byte *cacah=0;

String stringPARA =

"AT+HTTPPARA=\"URL\",\"http://autobike.pe.hu/input.php?fuel="; String stringend = "\"";

String stringPARA2 = ""; String bt = "&battery="; String en = "&engine_st="; String tr = "&transmission_st="; float fuel;

float battery; String engine; String transmission; int power = 8; int start = 9; int pul = 3; int net = 2;

byte bcdToDec(byte val) {

return( (val/16*10) + (val%16) ); }

void setup() {

Wire.begin();

sim800l.begin(19200); // the GPRS baud rate Serial.begin(19200); // the GPRS baud rate delay(500);

pinMode(power,OUTPUT); pinMode(start,OUTPUT); pinMode(pul,OUTPUT); pinMode(net,INPUT); digitalWrite(power,HIGH); delay (100);

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cacah = 0; }

void readDS3231time(byte *second, byte *minute,

byte *hour,

byte *dayOfWeek, byte *dayOfMonth, byte *month, byte *year) {

Wire.beginTransmission(DS3231_I2C_ADDRESS); Wire.write(0); // set DS3231 register pointer to 00h Wire.endTransmission();

Wire.requestFrom(DS3231_I2C_ADDRESS, 7);

// request seven bytes of data from DS3231 starting from register 00h *second = bcdToDec(Wire.read() & 0x7f);

*minute = bcdToDec(Wire.read()); *hour = bcdToDec(Wire.read() & 0x3f); *dayOfWeek = bcdToDec(Wire.read()); *dayOfMonth = bcdToDec(Wire.read()); *month = bcdToDec(Wire.read()); *year = bcdToDec(Wire.read()); }

void SubmitHttpRequest() {

stringPARA2 = stringPARA + fuel + bt + battery + en + engine + tr + transmission + stringend;

//Serial.println(stringPARA2); sim800l.println("AT+CSQ"); delay(1000);

ShowSerialData(); // this code is to show the data from gprs shield, in order to easily see the process of how the gprs shield submit a http request, and the following is for this purpose too.

sim800l.println("AT+CGATT?"); delay(1000);

ShowSerialData();

sim800l.println("AT+SAPBR=3,1,\"CONTYPE\",\"GPRS\""); //setting the SAPBR, the connection type is using gprs

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sim800l.println("AT+SAPBR=3,1,\"APN\",\"internet\""); //setting the APN, the second need you fill in your local apn server

delay(1000); ShowSerialData();

sim800l.println("AT+SAPBR=1,1"); //setting the SAPBR, for detail you can refer to the AT command mamual

sim800l.println("AT+HTTPINIT"); //init the HTTP request delay(2000);

ShowSerialData();

sim800l.println(stringPARA2); // setting the httppara, the second parameter is the website you want to access

sim800l.println("AT+HTTPACTION=0");//submit the request

delay(3000); //the delay is very important, the delay time is base on the return from the website, if the return datas are very large, the time required longer.

ShowSerialData();

sim800l.println("AT+HTTPREAD");// read the data from the website you access

delay(300); ShowSerialData(); checkForResponse();

sim800l.println("AT+HTTPTERM"); delay(100);

}

void ShowSerialData() {

while(sim800l.available()!=0) Serial.write(sim800l.read()); }

void checkForResponse() {

sim800l.println("AT+HTTPREAD");// read the data from the website you access

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//ShowSerialData(); for (int i = 0; i < 50; i++) {

dLine[i] = sim800l.read(); //Serial.println(dLine[i]); }

Serial.println(dLine[28]); if (dLine[28] != 97) {

SubmitHttpRequest(); }

}

void sensor() {

read_engine();

float Sensor1 = analogRead(A1); // membaca sensor tegangan 1 delay (1000);

Serial.println(Sensor1); fuel =(65.00 - Sensor1) *1.85; if (fuel>100 || fuel<0)

{

fuel = 0; }

Serial.println(fuel);

float Sensor2 = analogRead(A2); // membaca sesor tegangan 2 delay (1000);

battery = Sensor2 * (12.0 / 582.0); Serial.println(battery);

digitalWrite(pul,HIGH); // puldown input neutral delay(100);

if ( digitalRead(net) == HIGH) // membaca status transmisi {

transmission = "ON GEAR"; }

else {

transmission = "NEUTRAL"; }

digitalWrite(pul,LOW); Serial.println(transmission); delay(1000);

}

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{

float val1 = analogRead(A0); // membaca staus mesin delay(1000);

if (val1>10) {

engine = "ON"; }

else {

engine = "OFF"; }

Serial.println(engine); }

void start_engine() {

digitalWrite(power,LOW); delay (4000);

sensor();

if(fuel>31.45 && battery > 10 && transmission == "NEUTRAL" && engine == "OFF")

{

cacah = 0;

while (engine == "OFF" && cacah <3) {

digitalWrite (start,LOW); delay (500);

digitalWrite (start,HIGH); delay(2000);

read_engine(); cacah++; }

if (engine == "ON") {

sensor(); delay(1000);

SubmitHttpRequest(); delay (60000);

digitalWrite (power,HIGH); delay(1000);

digitalWrite(power,LOW); delay (4000);

sensor();

digitalWrite(power,HIGH); SubmitHttpRequest(); delay(1000);

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else {

} else {

}

void loop() {

byte second, minute, hour, dayOfWeek, dayOfMonth, month, year;

readDS3231time(&second, &minute, &hour, &dayOfWeek, &dayOfMonth, &month,

&year); delay(1000);

if (hour==07 && minute==00 && second == 00) {

start_engine();

digitalWrite(power,HIGH); }

}

2. Source code PHP a. input.ph

<?php

date_default_timezone_set("Asia/jakarta"); $time = date("h:i:sa");

$date = date ("Y/m/d");

$server = "mysql.hostinger.in"; // host name

$username = "u398539280_bike"; // database username $password = "harpot"; // database password

$dbname = "u398539280_auto"; //database name // Create connection

$conn = mysqli_connect($server, $username, $password, $dbname); // Check connection

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VALUES

('".$_GET['fuel']."','".$_GET['battery']."','".$_GET['engine_st']."','".$_GET ['transmission_st']."','$time','$date')";

echo "a";

mysqli_query($conn,$sql);

?>

b. Getdata.php <?php

require_once('connect.php');

$sql = "SELECT * FROM Minerva ORDER BY number DESC LIMIT 1"; $r = mysqli_query($con,$sql);

$res = mysqli_fetch_array($r); $result = array();

array_push($result,array(

"battery"=>$res['battery'], "fuel"=>$res['fuel'],

"engine_st"=>$res['engine_st'],

"transmission_st"=>$res['transmission_st'], "date"=>$res['date'],

"time"=>$res['time']));

echo json_encode(array("result"=>$result)); mysqli_close($con);

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3. Source code Android

a. Kelas MainActivity.java

import android.widget.Toast;

import com.android.volley.RequestQueue; import com.android.volley.Response; import com.android.volley.VolleyError;

import com.android.volley.toolbox.StringRequest; import com.android.volley.toolbox.Volley; import org.json.JSONArray;

import org.json.JSONException; import org.json.JSONObject;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

private Button buttonGet;

private TextView textViewResult; private ProgressDialog loading; @Override

protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

buttonGet = (Button)findViewById(R.id.buttonGet);

textViewResult = (TextView)findViewById(R.id.textViewResult); buttonGet.setOnClickListener(this);

}

private void getData() {

loading = ProgressDialog.show(this, "Please wait...", "Fetching...", false, false);

String url = Config.DATA_URL;

StringRequest stringRequest = new StringRequest(url, new Response.Listener<String>() {

@Override

public void onResponse(String response) { loading.dismiss();

showJSON(response); }

},

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public void onErrorResponse(VolleyError error) {

Toast.makeText(MainActivity.this,

error.getMessage().toString(), Toast.LENGTH_LONG).show(); }

});

RequestQueue requestQueue = Volley.newRequestQueue(this); requestQueue.add(stringRequest);

}

private void showJSON(String response) {

String battery = ""; String fuel = ""; String engine_st = ""; String transmition_st = ""; String date = "";

String time = "";

try {

JSONObject jsonObject = new JSONObject(response); JSONArray result =

jsonObject.getJSONArray(Config.JSON_ARRAY); JSONObject bikeData = result.getJSONObject(0); battery = bikeData.getString(Config.KEY_BATTERY); fuel = bikeData.getString(Config.KEY_FUEL);

engine_st = bikeData.getString(Config.KEY_ENGINE_ST);

transmition_st = bikeData.getString(Config.KEY_TRANSMITION_ST); date = bikeData.getString(Config.KEY_DATE);

time = bikeData.getString(Config.KEY_TIME); }

catch (JSONException e) {

e.printStackTrace(); }

textViewResult.setText("Battery:\t" + battery + "\nFuel:\t" + fuel + "\nEngine_st:\t" + engine_st + "\nTransmission_st:\t" + transmition_st+ "\nDate:\t" + date+ "\nTime:\t" + time);

}

@Override

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getData(); }

}

b. Kelas AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>

<uses-permission android:name="android.permission.INTERNET"/> <application

android:allowBackup="true"

android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:supportsRtl="true"

android:theme="@style/AppTheme"> <activity android:name=".MainActivity">

<intent-filter>

</activity> </application>

</manifest>

c. Kelas Config.java

package com.example.harry.bikeauto; /**

* Created by Harry on 1/30/2017. */

public class Config {

public static final String DATA_URL = "https://autobike.pe.hu/getdata.php";

public static final String KEY_BATTERY = "battery"; public static final String KEY_FUEL = "fuel";

public static final String KEY_ENGINE_ST = "engine_st";

public static final String KEY_TRANSMITION_ST = "transmition_st"; public static final String KEY_DATE = "date";