Rancang Bangun Sistem Pendeteksi Banjir Pada Daerah Aliran Sungai dengan Menggunakan SCADA (Supervisory Control And Acquisition) Berbasis Mikrokontroler AT89S51

(1)

(2)

Listing Program 1. Menu Utama

Private Sub mn_adata_Click() frm_display_data.Show Me.Hide

End Sub

Private Sub mn_koneksiport_Click() frm_koneksi.Show

Me.Hide End Sub

Private Sub mn_tentang_Click() frm_tentang.Show

Me.Hide End Sub

Private Sub mn_keluar_Click() End

End Sub

2. Aquisisi Sub Aktifdg_data() With dg_data .Cols = 4

(3)

.Col = 0 .Row = 0

.Text = "Tanggal" .CellFontBold = True .ColWidth(0) = 1200

.AllowUserResizing = flexResizeColumns .CellAlignment = flexAlignCenterCenter .Col = 1

.Row = 0

.Text = "Waktu" .CellFontBold = True .ColWidth(1) = 1200

.Row = 0

.Text = "Ketinggian" .CellFontBold = True .ColWidth(2) = 2000

(4)

.AllowUserResizing = flexResizeColumns .CellAlignment = flexAlignCenterCenter End With

End Sub

Sub tampil_data() Dim Baris As Integer dg_data.Clear

Call Aktifdg_data dg_data.Rows = 2 Baris = 0

Set Rs_data = New ADODB.Recordset

Rs_data.Open "SELECT * FROM tbl_status ORDER BY id DESC", KonekDb, adOpenDynamic, adLockOptimistic

If Rs_data.PageCount > 0 Then With Rs_data

.MoveFirst

Do While Not .EOF On Error Resume Next Baris = Baris + 1

dg_data.Rows = Baris + 1 dg_data.ColAlignment(0) = 4 dg_data.ColAlignment(1) = 4 dg_data.ColAlignment(2) = 4 dg_data.ColAlignment(3) = 4

(5)

dg_data.TextMatrix(Baris, 1) = !waktu dg_data.TextMatrix(Baris, 2) = !ketinggian dg_data.TextMatrix(Baris, 3) = !Status .MoveNext

Loop End With End If End Sub

Private Sub Form_Load() Label4.Caption = "0" If Koneksi = "" Then

MsgBox "Port Belum Terhubung" Label9.Caption = "-"

Label9.Alignment = vbCenter Label4.Caption = "-"

Label4.Alignment = vbCenter

End If

Call BukaDatabase Call tampil_data

MSComm2.CommPort = Port

MSComm2.Settings = Bound_Rate + "N,8,1" MSComm2.PortOpen = True

(6)

Private Sub Form_Unload(Cancel As Integer) MSComm2.PortOpen = False

frm_utama.Show Me.Hide

End Sub

Private Sub Timer1_Timer()

Label2.Caption = Format(Date, "dd-mm-yyyy") Label3.Caption = Format(Time, "hh:mm:ss") End Sub

Private Sub Timer2_Timer() Dim tinggi As String Dim strwaktu As String Dim strtanggal As String strtanggal = Label2.Caption strwaktu = Label3.Caption SQLsimpan = ""

SQLsimpan = "INSERT INTO tbl_status (tanggal, waktu, ketinggian, status)" _ & " VALUES('" & strtanggal & "','" & strwaktu & "','" _

& Label4.Caption & "', '" & Label9.Caption & "')" KonekDb.Execute SQLsimpan, , adCmdText

Call tampil_data End Sub

(7)

If Koneksi = "Terhubung" Then

If MSComm2.CommEvent = comEvReceive Then tinggi = ""

tinggi = MSComm2.Input tinggi = 200 - Int(tinggi) If Int(tinggi) <= 0 Then Label4.Caption = "-"

Label4.Alignment = vbCenter Else

Label4.Caption = tinggi End If

If Int(tinggi) > 195 And Int(tinggi) <= 200 Then Label9.Caption = "Banjir"

ElseIf Int(tinggi) > 188 And Int(tinggi) <= 195 Then Label9.Caption = "Awas"

ElseIf Int(tinggi) > 181 And Int(tinggi) <= 188 Then Label9.Caption = "Aman"

ElseIf Int(tinggi) > 177 And Int(tinggi) <= 181 Then Label9.Caption = "Normal"

Else

Label9.Caption = "-"

Label9.Alignment = vbCenter End If

(8)

3. Koneksi port

Private Sub cmdConnect_Click() On Error GoTo errcode

Select Case cbo_port.ListIndex Case -1

(9)

If MSComm1.PortOpen = False Then MSComm1.CommPort = Port MSComm1.RThreshold = 1

MSComm1.Settings = cbo_boundrate.List(cbo_boundrate.ListIndex) & ",N,8,1" MSComm1.PortOpen = True

Bound_Rate = cbo_boundrate.Text Koneksi = "Terhubung"

Text1.Text = "Status : " & vbNewLine & vbNewLine & "Terhubung" cmdConnect.Enabled = False

cmdDisconnect.Enabled = True End If

Exit Sub

errcode:

Text1.Text = "Status : " & vbNewLine & vbNewLine & "Port Salah" cbo_port.SetFocus

End Sub

Private Sub cmdDisconnect_Click() If MSComm1.PortOpen = True Then MSComm1.PortOpen = False cmdConnect.Enabled = True cmdDisconnect.Enabled = False Koneksi = ""

Text1.Text = "Status : " & vbNewLine & vbNewLine & "Port Terputus" End If

(10)

Private Sub Command1_Click() Unload Me

End Sub

Private Sub Form_Load() cbo_port.AddItem "COMM1" cbo_port.AddItem "COMM2" cbo_port.AddItem "COMM3" cbo_port.AddItem "COMM4" cbo_port.AddItem "COMM5" cbo_port.AddItem "COMM6" cbo_port.AddItem "COMM7" cbo_port.AddItem "COMM8" cbo_port.AddItem "COMM9" cbo_port.ListIndex = 0

With cbo_boundrate .AddItem "2400" .AddItem "4800" .AddItem "9600" .AddItem "19200" .AddItem "38400" .AddItem "58600" End With

If Koneksi = "Terhubung" Then Select Case Port

(11)

cbo_port.ListIndex = 0 Case 2

cbo_port.ListIndex = 8 End Select

cbo_boundrate.Text = Bound_Rate MSComm1.CommPort = Port

MSComm1.Settings = Bound_Rate + "N,8,1" MSComm1.PortOpen = True

(12)

Else

Timer1.Enabled = True cmdConnect.Enabled = True cmdDisconnect.Enabled = False End If

End Sub 4. tentang Unload Me End Sub

Private Sub Form_Unload(Cancel As Integer) frm_utama.Show

Me.Hide End Sub

5. keluar

Private Sub mn_keluar_Click() End

End Sub

6. Module Option Explicit

(13)

Public Port As Integer

Public SQLubah, SQLsimpan, SQLhapus As String Sub BukaDatabase()

Dim strSS, strPort, strDB, strUID, strPWD As String strSS = "localhost"

strPort = "3306" strDB = "db_data" strUID = "root" strPWD = ""

Set KonekDb = New ADODB.Connection KonekDb.CursorLocation = adUseClient KonekDb.ConnectionString = "" _

& "DRIVER={MYSQL ODBC 3.51 Driver};" _ & "SERVER=" & strSS & ";" _

& "DATABASE=" & strDB & ";" _ & "UID=" & strUID & ";" _

& "PWD=" & strPWD & ";" _ & "OPTION="

On Error Resume Next

(14)

Set KonekDb = New ADODB.Connection KonekDb.Open

Else

KonekDb.Open End If

If Err.Number <> 0 Then

MsgBox "GAGAL KONEKSI SERVER", vbOKOnly, "Kesalahan" End If

(15)

Program Assembly

1. Listing Program Mikrokontroller

(16)

(17)

(18)

tnd: mov r6,#255

4. listing program Mikrokontroler – II (Assembly)

(19)

(20)

(21)

(22)

(23)

(24)

acall tunda ret

tunda:

mov r7,#255 tnd:

mov r6,#255 djnz r6,$ djnz r7,tnd ret

hitung:

(25)