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LAMPIRAN A //Kode Program Sistem //inisialisasi variabel dan library #include <SD.h> #include <SPI.h> #include <Time.h> #include <Ethernet.h> byte sensorInterrupt = 0; // 0 = pin 2; 1 = pin 3 byte sensorPin = 2; // konstanta untuk faktor kalibrasi flow sensor float calibrationFactor = 8.5; volatile byte pulseCount; int volbulan[6] ; int temp[6]; unsigned long volume; unsigned long total; unsigned long oldmin; unsigned long oldmonth; unsigned long oldTime; float debitmenit; unsigned int debitdetik; const int chipSelect = 4; File dataFile; byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; byte ip[] = { 10,4,11,177 }; const int MAX_PAGE_NAME_LEN = 8; // max characters in a page name char buffer[MAX_PAGE_NAME_LEN+1]; // page name + terminating null EthernetServer server(80); EthernetClient client; //inisialisasi server ,SD card, waktu dan interupsi void setup() { Serial.begin(9600); Ethernet.begin(mac, ip); server.begin(); Serial.println("Ready");

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setTime(12,0,0,6,30,14); attachInterrupt(sensorInterrupt, RISING);

pulseCounter,

// make sure that the default chip select pin is set to // output, even if you don't use it: pinMode(10, OUTPUT); // see if the card is present and can be initialized: if (!SD.begin(chipSelect)) { Serial.println("Card failed, or not present"); // don't do anything more: return; } Serial.println("card initialized."); } //Fungsi Utama Sistem void loop() { debit(); // Rutin pembacaan data debbit air dari sensor client = server.available(); if (client) { while (client.connected()) { if (client.available()) { if( client.find("GET ") ) { // look for the page name memset(buffer,0, sizeof(buffer)); // clear the buffer if(client.find( "/")) if(client.readBytesUntil('/', buffer, MAX_PAGE_NAME_LEN )) { if(strcmp(buffer, "tampil") == 0) showAnalog(); else if(strcmp(buffer, "data") == 0) showDigital();

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else unknownPage(buffer); } } Serial.println(); break; } } client.stop(); } } // Rutin Halaman Data real-time sistem void showAnalog() { sendHeader(); client.println(F("DATA PELANGGAN ")); client.println("
"); client.println(F("NAMA PELANGGAN : Arif Azhari")); client.println("
"); client.println(F("NOMOR PELANGGAN : 11691")); client.println("
"); client.println(F("ALAMAT PELANGGAN : Jl Ayahanda Gg tabib NO : 6")); client.println("
"); client.print(" Jam : "); client.print(hour()); client.print(F(" Menit : ")); client.print(minute()); client.print(F(" Detik : ")); client.print(second()); client.println("
"); client.print(F(" Tanggal : ")); client.print(day()); client.print(F(" Bulan : ")); client.print(monthStr(month())); client.print(F(" Tahun : ")); client.print(year()); client.println("
");

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m3) :

client.print(F("Pemakaian air Bulan ini (dalam "));

client.print(volume); client.println("
"); for (int bulan = 0; bulan < 5; bulan++) { client.print(F("Pemakaian air ")); client.print(bulan+1); client.print(F(" Bulan Lalu : ")); client.print(volbulan[bulan]); client.println("
"); } } //Rutin Halaman Web Data pada kartu memori void showDigital() { sendHeader(); File dataFile = SD.open("datalog.txt"); int i; while(dataFile.available()) { client.write(dataFile.read()); i++; if(i > 40) { i=0; client.println("
"); } } dataFile.close(); } //Halaman Web default void unknownPage(char *page) { sendHeader(); client.println("

Halaman

utama

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Sistem

"); client.print(page); client.println("
"); client.println("Halaman yang tersedia :
"); client.println("/Hasil Pembacaan /
"); client.println("/Data Pembacaan/
"); client.println(""); } void swap() { // Tukan data bulan ini ke bulan berlalu for(int bulan = 5;bulan >= 1;bulan--) {

yang

sudah

temp[bulan]=volbulan[bulan-1]; volbulan[bulan]=temp[bulan]; } volbulan[0]=volume; volume=0; }

void pulseCounter() { // naikan cacahan Pulsa pulseCount++; } void debit() { if((millis() - oldTime) > 1000) // rutin memproses pulsa counter dalam rentang satu detik { // disable interupsi untuk memulai perhitungan pulsa dan proses lainnya detachInterrupt(sensorInterrupt); //

Rumus

perhitungan

dari

sensor

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debit dalam liter per menit debitmenit = ((1000.0 / (millis() oldTime)) * pulseCount) / calibrationFactor; // waktu setelah interupsi berlalu. oldTime = millis(); // konversikan kedalam mililiter debitdetik = (debitmenit / 60)

*

1000; // jumlahkan milliliter yang telah lewat dengan yang sekarang untuk mendapatkan total volume volume += debitdetik; total += debitdetik; String dataString =" "; // Reset ulang pulsa pulseCount = 0; if(month() != oldmonth) { swap(); oldmonth = month(); } if(minute() != oldmin) { oldmin = minute(); dataString += day(); dataString += " : "; dataString += month(); dataString += " : "; dataString += year(); dataString += " "; dataString += dataString += dataString += dataString += dataString += dataString += dataString dataString += dataString +=

hour(); " : "; minute(); " : "; second(); " "; += " Volume"; String(volbulan[0]); " M3 ";

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File dataFile SD.open("datalog.txt", FILE_WRITE);

=

dataFile.println(dataString); dataFile.close(); } // nyalakan kembali interpsi attachInterrupt(sensorInterrupt, pulseCounter, RISING); } } void sendHeader() { // send a standard http response header client.println("HTTP/1.1 200 OK"); client.println("Content-Type: text/html"); client.println(); client.println(""); client.println(""); }

server

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