Perancangan Sistem Pemantauan dan Pengukuran Ketinggian Air Sungai Secara Jarak Jauh Dengan Tampilan PC

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Lampiran 1

Listing program dari seluruh sistem .

/*****************************************************

This program was produced by the CodeWizardAVR V2.04.9 Evaluation Automatic Program Generator

Project : Version :

Date : 11/04/2016

Author : Freeware, for evaluation and non-commercial use only

Company : Comments:

Chip type : ATmega8 Program type : Application AVR Core Clock frequency: 4,000000 MHz Memory model : Small

External RAM size : 0 Data Stack size : 256

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#include <mega8.h> #include <stdio.h> #include <delay.h>

unsigned int Level;

void Read_Sensor(void) //rutin baca sensor ping { PORTB.1 = 1; // timing the return pulse

TCCR1B=0x00; // stop timer

Level = TCNT1; // save timer value to variable h

if ( Level < 1000 ) {Level = (Level*10)/25;} //utk menghilangkan efek penggenapan

if ( Level >= 1000) {Level = (Level/25)*10;} }

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// Input/Output Ports initialization // Port B initialization

PORTB=0x01; DDRB=0x02;

// Port C initialization PORTC=0x30;

DDRC=0x00;

// Port D initialization PORTD=0x00;

DDRD=0x80;

// USART initialization // USART Baud Rate: 9600 UCSRA=0x00;

UCSRB=0x18; UCSRC=0x86; UBRRH=0x00; UBRRL=0x19;

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{ Read_Sensor();

printf("%i",Level);

delay_ms(1000); //tunda 10 mili detik

if ( Level < 100) {PORTD.7 = 1;delay_ms(500);PORTD.7 = 0;}

} }

Lampiran 2

Listing program visual basic untuk menampilkan grafik level air dan alarm pada PC

Dim Yd1(0 To 10000), j, Level As Integer Dim TIMES(0 To 1000) As String

Dim f As String

Dim oXL As Excel.Application

Private Declare Function sndPlaySound Lib "Winmm.dll" Alias _

"sndPlaySoundA" (ByVal lpszSoundName As String, ByVal uflags As Long) As Long

Private Const snd_sync = &H0 Private Const snd_Async = &H1 Private Const snd_loop = &H8

Private Sub A_Click()

sndPlaySound vbNullString, snd_Async End Sub

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Timer1.Enabled = False

Set oXL = New Excel.Application Set oxlbook = oXL.Workbooks.Add

FileName = "C:\Data\" + Text4 + ".xls"

oxlbook.Worksheets(1).Range("A1") = " Time "

oxlbook.Worksheets(1).Range("B1") = " Level sungai (cm) "

oxlbook.SaveAs FileName

For i = 2 To j

oxlbook.Worksheets(1).Range("A" & i) = TIMES(i) oxlbook.Worksheets(1).Range("B" & i) = Yd1(i) Next i

On Error GoTo 1

oxlbook.SaveAs FileName oxlbook.Close

1:

End Sub

Private Sub Command2_Click() Timer1.Enabled = True

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End Sub

Private Sub Command4_Click()

sndPlaySound vbNullString, snd_Async Unload Me

End Sub

Private Sub Form_Load() MSComm1.PortOpen = True End Sub

Private Sub Timer1_Timer() x = MSComm1.Input

If x <> "" Then Picture1.Height = 6600 - Picture1.Top

End If

If Level > 40 Then

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End If

End Sub

Private Sub Timer2_Timer() Text3 = Time

If Level > 0 Then Yd1(j) = Level TIMES(j) = Text3

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Lampiran 3 Gambar Alat

1. Sensor HC-SR04 5. Buzzer

2. Modul RS485 6. Tabung Air

3. Kabel Penghubung

7. Rangkaiaan

4. Adaptor

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Lampiran 4

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L

PB 6 (XTAL1/TOSC1) PB 7 (XTAL2/TOSC2) PD 5 (T1)

PD 6 (AIN0) PD 7 (AIN1)

PB 0 (IC P1)