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();
setTime(12,0,0,6,30,14);
attachInterrupt(sensorInterrupt, pulseCounter, RISING);
// 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)
else
unknownPage(buffer); } }
Serial.println(); break;
} }
client.stop(); }
}
// Rutin Halaman Data real-time sistem void showAnalog()
{
sendHeader();
client.println(F("DATA PELANGGAN ")); client.println("<br />");
client.println(F("NAMA PELANGGAN : Arif Azhari"));
client.println("<br />");
client.println(F("NOMOR PELANGGAN : 11691")); client.println("<br />");
client.println(F("ALAMAT PELANGGAN : Jl Ayahanda Gg tabib NO : 6"));
client.println("<br />");
client.print(" Jam : "); client.print(hour());
client.print(F(" Menit : ")); client.print(minute());
client.print(F(" Detik : ")); client.print(second());
client.println("<br />");
client.print(F(" Tanggal : ")); client.print(day());
client.print(F(" Bulan : ")); client.print(monthStr(month())); client.print(F(" Tahun : ")); client.print(year());
client.print(F("Pemakaian air Bulan ini (dalam m3) : "));
client.print(volume); client.println("<br />");
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("<br />");
}
}
//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("<br />");
}
}
dataFile.close();
}
//Halaman Web default
void unknownPage(char *page) {
sendHeader();
Sistem</h1>");
client.print(page);
client.println("<br />");
client.println("Halaman yang tersedia :<br />");
client.println("/Hasil Pembacaan /<br />"); client.println("/Data Pembacaan/<br />"); client.println("</body></html>");
}
void swap() {
// Tukan data bulan ini ke bulan yang sudah berlalu
for(int bulan = 5;bulan >= 1;bulan--) {
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);
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 += hour(); dataString += " : "; dataString += minute(); dataString += " : "; dataString += second(); dataString += " ";
dataString += " Volume";
dataString += String(volbulan[0]);
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("<html><head><title>Web server multi-page </title>");
