LAMPIRAN A. Prosedur Pengoperasian Sistem. xxi

Transkripsi

1 LAMPIRAN A Prosedur Pengoperasian Sistem xxi

2 LA.1. Prosedur Pengoperasian Alat Bagian ini menjelaskan tentang bagaimana cara mengoperasikan alat pengukur tingkat kematangan buah yang telah dirancang.komponen yang diperlukan adalah alat pengukur tingkat kematangan buah dan driver (CP210x_VCP_Windows) untuk alat tersebut. Pertama, sambungkan listrik PLN pada soket 220VAC. Kemudian, sambungkan alat pengukur tingkat kematangan buah dengan komputer menggunakan kabel USB melalui USB Port.Perhatikan lampu indicator.jika lampu indicator menyala berarti alat sudah mendapatkan arus listrik.komputer akan melakukan auto detect terhadap alat tersebut. Kemudian, install driver (CP210x_VCP_Windows) untuk alat pengukur tingkat kematangan buah. Gambar LA.1. Soket 220V AC Setelah driver terpasangkan, lepaskan kabel USB dari komputer.kemudian, pasang kembali, 3 buah lampu indikator pada alat akan berkedip yang menandakan proses inisialisasi alat.lalu, pasangkan sensor ultrasonik sesuai dengan simbol T dan R. xxii

3 Gambar LA.2. Lampu Indikator dan USB Port Lakukan koneksi dari program MatLab ke alat dan tunggu lampu indikator C yang menandakan alat sudah terhubung dengan program MatLab menyala. Tempelkan probe transduser pada buah dengan posisi berseberangan pada buah. Kemudian tekan tombol Trigger yang berada di kananlampu kontol untuk memulai proses pembacaan buah. Gambar LA.3. Keterangan Alat xxiii

4 Setelah tombol ditekan, lampu P akan menyala yang menandakan proses pembacaan tingkat kandungan air dan tekstur buah serta proses Analog to Digital Converter sedang berlangsung. Setelah lampu proses padam, disusul dengan lampu S menyala yang menandakan proses pengiriman data hasil pengukuran buah sedang dikirimkan ke program MatLab. Setelah pengiriman data selesai, alat kembali dalam posisi standby dan siap untuk melakukan pengukuran kembali pada buah lainnya. Untuk melepas alat dari komputer, lakukan disconnect dari program MatLab atau tutup program MatLab terlebih dahulu dan tunggu hingga lampu C tidak lagi menyala yang menandakan alat sudah tidak terkoneksi dengan program MatLab. Setelah lampu koneksi padam, maka alat sudah dapat dilepaskan dari komputer dengan mencabut kabel USB dan mencabut soket 220VAC. LA.2. Prosedur Penggunaan Program MatLab Bagian ini menjelaskan tentang bagaimana cara menggunakan program MatLab yang telah dirancang. Lakukan install terhadap program stand alone MatLab pada komputer dan kemudian buka program tersebut. Setelah alat dihubungkan dengan komputer, lakukan pemilihan terhadap port yang menjadi koneksi dari komputer ke alat.kemudian, tekan tombol connect untuk melakukan koneksi dengan alat. Koneksi berhasil ditandai dengan berubahnya tombol connect menjadi disconnect. Selanjutnya, melakukan pemilihan terhadap jenis buah yang ingin dilakukan pembacaan tingkat kematangannya.jenis buah yang dapat dipilih xxiv

5 terdapat pada bagian Pilih Buah. Tidak tepatnya pemilihan jenis buah akan mengalami pembacaan tingkat kematangan buah tidak tepat. Kemudian, menunggu alat memulai proses pembacaan dan mengirimkan datanya ke program MatLab. Ketika data diterima, maka akan ditampilkan pada program MatLab sehingga pengguna dapat melihat tingkat kematangan buah. Jika ingin melakukan pembacaan berikutnya, cukup menunggu saja data dari alat. Tapilan akan dibersihkan dan diganti dengan data pembacaan yang baru. Ketika selesai menggunakan program, lakukan disconnect terlebih dahulu dan kemudian keluar dari program atau dapat langsung menekan tombol Exit atau menggunakan tanda silang yang terdapat pada kanan atas dari tampilan program tanpa melakukan disconnect terlebih dahulu. xxv

6 LAMPIRAN B Data Hasil Penelitian xxvi

7 LB.1. Uji Lab Model empiris Gambar LB.1. Uji Laboratorium Model empiris xxvii

8 LB.2. Data Percobaan Gambar LB.2. Uji Laboratorium Data Percobaan xxviii

9 Tabel LB.1. Data Uji Pengetahuan Manusia Buah Alpukat. Sampel Kadar Air (%) Hasil Pembacaan Alat Kekerasan Kematangan Persentase Kematangan Hasil Analisa Manusia Kematangan Mengkal Mengkal Mengkal Mengkal Mengkal xxix

10 Mengkal xxx

11 Mengkal Mengkal Mengkal Tabel LB.2. Data Uji Lab IPB Buah Alpukat. No. Sampel Kadar Air (%) Hasil Pembacaan Alat Kekerasan Kematangan Mentah Mengkal Mentah Hasil Analisa Lab IPB Persentase Kematangan Kematangan Kadar Kekerasan Air (%) xxxi

12 Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal Tabel LB.3. Data Uji Pengetahuan Manusia Buah Mangga. Sampel Hasil Pembacaan Alat Kadar Air Persentase Kekerasan Kematangan (%) Kematangan Mengkal Hasil Analisa Manusia Kematangan xxxii

13 Mentah Mengkal Mengkal Mentah Mentah Mengkal Mentah Mengkal Mentah Mentah Mentah Mentah xxxiii

14 Mentah Mentah Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal Mentah Mentah Mentah Tabel LB.4. Data Uji Lab IPB Buah Mangga. No. Sampel 2 Kadar Air (%) Hasil Pembacaan Alat Kekerasan Kematangan Hasil Analisa Lab IPB Persentase Kematangan Kematangan Kadar Kekerasan Air (%) xxxiv

15 Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal xxxv

16 Mengkal Sampel Tabel LB.5. Data Uji Pengetahuan Manusia Buah Pepaya. Kadar Air Persentase Kekerasan Kematangan (%) Kematangan Busuk Busuk Mengkal Kematangan Busuk xxxvi

17 Mengkal Mengkal Mengkal Mentah Mentah Mentah xxxvii

18 Mengkal Mengkal Mengkal Mengkal Tabel LB.6. Data Uji Lab IPB Buah Pepaya. No. Sampel 6 Hasil Pembacaan Alat Hasil Analisa Lab IPB Kadar Persentase Kekerasan Kematangan Air (%) Kematangan Kematangan Kadar Air (%) Kekerasan xxxviii

19 Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal Mengkal xxxix

20 Mengkal xl

21 LAMPIRAN C Dokumentasi Penelitian xli

22 Gambar LC.1. Form Penyerahan Uji Lab Sampel Model empiris xlii

23 Gambar LC.2. Form Penyerahan Uji Lab Sampel Data Percobaan xliii

24 Gambar LC.3. Foto 1 Pengambilan Data Sebelum Uji Lab xliv

25 Gambar LC.4. Foto 2 Pengambilan Data Sebelum Uji Lab xlv

26 Gambar LC.5. Foto 1 Uji Buah Berdasarkan Pengetahuan Manusia Gambar LC.6. Foto 2 Uji Buah Berdasarkan Pengetahuan Manusia xlvi

27 LAMPIRAN D Coding Peranti Lunak xlvii

28 LD.1. Coding Alat Modul Main #include <mega8.h> #include <delay.h> #include <string.h> #include <UARTlib.h> #include <Ultrasoniclib.h> #include <ADClib.h> #include <stdio.h> #define TRUE 1 #define FALSE 0 #define LED_ON 0 #define LED_OFF 1 #define CONNECT #define PROCESS #define SENDING #define TRIGGER PORTB.0 PORTB.4 PORTB.5 PIND.3 void Initialization(void); void Processing(unsigned char *Data1, unsigned char *Data2, unsigned char *Data3, unsigned char *Data4, unsigned char *Data5, unsigned char *Data6); unsigned char Connecting(void); unsigned char Disconnect(void); xlviii

29 unsigned char Sending(unsigned char *Data1, unsigned char *Data2, unsigned char *Data3, unsigned char *Data4, unsigned char *Data5, unsigned char *Data6); void main(void) { unsigned char Tries, Status=FALSE; unsigned char Texture1[4], Water1[4]; unsigned char Texture2[4], Water2[4]; unsigned char Texture3[4], Water3[4]; Initialization(); while(1) { while(connecting() == FALSE); Status = TRUE; while(1) { while(trigger == TRUE) { if(disconnect() == TRUE) { xlix

30 Status = FALSE; break; } } if(status == FALSE) break; Processing(Texture1, Water1, Texture2, Water2, Texture3, Water3); for(tries=0;tries<3;tries++) { if(sending(texture1, Water1, Texture2, Water2, Texture3, Water3) == TRUE) break; } if(tries == 3) SENDING = LED_OFF; while(trigger == FALSE); } } } l

31 void Initialization(void) { DDRB = 0xFF; //DDRC = 0xFF; DDRD = 0x00; CONNECT = LED_ON; PROCESS = LED_ON; SENDING = LED_ON; delay_ms(250); CONNECT = LED_OFF; PROCESS = LED_OFF; SENDING = LED_OFF; //PORTC = 0x00; PORTD = 0xFF; Init_UART(9600); ADMUX = 0x00; ADCSRA = 0x81; PORTB.1 = 0; PORTB.2 = 0; //TCCR1A = 0xA2; //TCCR1B = 0x18; //OCR1A = 0x0000; li

32 //OCR1B = 0x0000; } unsigned char Connecting(void) { unsigned char Chk_Con; Chk_Con = Receive_Data(0); if(chk_con == 'C') { Send_Data("C"); Chk_Con = Receive_Data(500); if(chk_con == 'Y') { CONNECT = LED_ON; return TRUE; } else return FALSE; } else return FALSE; } lii

33 unsigned char Disconnect(void) { unsigned char Chk_Con; Chk_Con = Receive_Data(5); if(chk_con == 'D') { Send_Data("D"); CONNECT = LED_OFF; return TRUE; } else return FALSE; } void Processing(unsigned char *Data1, unsigned char *Data2, unsigned char *Data3, unsigned char *Data4, unsigned char *Data5, unsigned char *Data6) { int TryCalc; unsigned char tmpdata1[2]; unsigned char tmpdata2[2]; unsigned char tmpdata3[2]; unsigned char tmpdata4[2]; unsigned char tmpdata5[2]; liii

34 unsigned char tmpdata6[2]; PROCESS = LED_ON; TryCalc = 0; memset(tmpdata1, 0x00, sizeof(tmpdata1)); while((tmpdata1[0] == 0x00) && (tmpdata1[1] == 0x00) && (TryCalc < 3)) { Frequency_35KHz(); Read_ADC(0, tmpdata1); TryCalc++; } delay_ms(1000); // need delay to clear the sound first TryCalc = 0; memset(tmpdata2, 0x00, sizeof(tmpdata2)); while((tmpdata2[0] == 0x00) && (tmpdata2[1] == 0x00) && (TryCalc < 3)) { Frequency_45KHz(); Read_ADC(0, tmpdata2); TryCalc++; } liv

35 delay_ms(1000); // need delay to clear the sound first TryCalc = 0; memset(tmpdata3, 0x00, sizeof(tmpdata3)); while((tmpdata3[0] == 0x00) && (tmpdata3[1] == 0x00) && (TryCalc < 3)) { Frequency_35KHz(); Read_ADC(0, tmpdata3); TryCalc++; } delay_ms(1000); // need delay to clear the sound first TryCalc = 0; memset(tmpdata4, 0x00, sizeof(tmpdata4)); while((tmpdata4[0] == 0x00) && (tmpdata4[1] == 0x00) && (TryCalc < 3)) { Frequency_45KHz(); Read_ADC(0, tmpdata4); TryCalc++; } delay_ms(1000); // need delay to clear the sound first lv

36 TryCalc = 0; memset(tmpdata5, 0x00, sizeof(tmpdata5)); while((tmpdata5[0] == 0x00) && (tmpdata5[1] == 0x00) && (TryCalc < 3)) { Frequency_35KHz(); Read_ADC(0, tmpdata5); TryCalc++; } delay_ms(1000); // need delay to clear the sound first TryCalc = 0; memset(tmpdata6, 0x00, sizeof(tmpdata6)); while((tmpdata6[0] == 0x00) && (tmpdata6[1] == 0x00) && (TryCalc < 3)) { Frequency_45KHz(); Read_ADC(0, tmpdata6); TryCalc++; } memset(data1, 0x00, sizeof(data1)); sprintf(data1, "%X%X", tmpdata1[0], tmpdata1[1]); memset(data2, 0x00, sizeof(data2)); sprintf(data2, "%X%X", tmpdata2[0], tmpdata2[1]); lvi

37 memset(data3, 0x00, sizeof(data3)); sprintf(data3, "%X%X", tmpdata3[0], tmpdata3[1]); memset(data4, 0x00, sizeof(data4)); sprintf(data4, "%X%X", tmpdata4[0], tmpdata4[1]); memset(data5, 0x00, sizeof(data5)); sprintf(data5, "%X%X", tmpdata5[0], tmpdata5[1]); memset(data6, 0x00, sizeof(data6)); sprintf(data6, "%X%X", tmpdata6[0], tmpdata6[1]); } PROCESS = LED_OFF; unsigned char Sending(unsigned char *Data1, unsigned char *Data2, unsigned char *Data3, unsigned char *Data4, unsigned char *Data5, unsigned char *Data6) { unsigned char ACK; SENDING = LED_ON; Send_Data(Data1); ACK = Receive_Data(500); if(ack!= 'S') lvii

38 return FALSE; Send_Data(Data2); ACK = Receive_Data(500); if(ack!= 'S') return FALSE; Send_Data(Data3); ACK = Receive_Data(500); if(ack!= 'S') return FALSE; Send_Data(Data4); ACK = Receive_Data(500); if(ack!= 'S') return FALSE; Send_Data(Data5); ACK = Receive_Data(500); if(ack!= 'S') return FALSE; Send_Data(Data6); ACK = Receive_Data(500); lviii

39 if(ack!= 'S') return FALSE; SENDING = LED_OFF; return TRUE; } Modul ADClib #include <mega8.h> #include <delay.h> #include <string.h> #define mode_adc 0x00 // 0x00 for ADLAR = 0, 0x20 for ADLAR = 1 void Read_ADC(unsigned char pin_adc, unsigned char *Data) { unsigned char padch, padcl; //DDRC = 0x00; //PORTC = 0x00; delay_ms(2000); memset(data, 0x00, sizeof(data)); while(1) { lix

40 ADMUX = pin_adc mode_adc; ADCSRA = 0x40; while((adcsra & 0x10) == 0); ADCSRA = 0x10; padcl = ADCL; padch = ADCH & 0x03; if(data[0] < padch) Data[1] = 0x00; if((data[0] <= padch) && (Data[1] < padcl)) { Data[0] = padch; Data[1] = padcl; } else { TCCR1A = 0x00; TCCR1B = 0x00; PORTB.1 = 0; PORTB.2 = 0; //TCCR1B = 0x18; break; lx

41 } delay_ms(500); } //DDRC = 0xFF; //PORTC = 0x00; } Modul Ultrasoniclib #include <mega8.h> void Frequency_35KHz(void) { TCCR1A = 0xA2; //TCCR1B = 0x18; TCCR1B = 0x1A; ICR1 = 0x001B; OCR1A = 0x0018; OCR1B = 0x0018; } void Frequency_45KHz(void) { TCCR1A = 0xA2; lxi

42 //TCCR1B = 0x18; TCCR1B = 0x1A; //ICR1 = 0x0018; ICR1 = 0x0015; OCR1A = 0x0012; OCR1B = 0x0012; } Modul UARTlib #include <mega8.h> #include <stdio.h> #include <delay.h> void Init_UART(unsigned long int baud_rate) { const long int oscilator = ; unsigned long int UBRR; UBRR = (oscilator/(16*baud_rate))-1; UBRRL = UBRR; UBRRH = UBRR>>8; UCSRB = 0x18; UCSRC = 0x86; } lxii

43 unsigned char Receive_Data(int Delay) { if(delay > 0) { while(!(ucsra & 0x80) ) { delay_ms(1); Delay--; if(delay == 0) return 0; } return UDR; } else return getchar(); } void Send_Data(unsigned char *Data) { delay_ms(10); // need delay to clear the transmition puts(data); } LD.2. Coding Aplikasi lxiii

44 function varargout = SoftComputing(varargin) % SOFTCOMPUTING MATLAB code for SoftComputing.fig % SOFTCOMPUTING, by itself, creates a new SOFTCOMPUTING or raises the existing % singleton*. % % H = SOFTCOMPUTING returns the handle to a new SOFTCOMPUTING or the handle to % the existing singleton*. % % SOFTCOMPUTING('CALLBACK',hObject,eventData,handles,...) calls the local % function named CALLBACK in SOFTCOMPUTING.M with the given input arguments. % % SOFTCOMPUTING('Property','Value',...) creates a new SOFTCOMPUTING or raises the % existing singleton*. Starting from the left, property value pairs are % applied to the GUI before SoftComputing_OpeningFcn gets called. An % unrecognized property name or invalid value makes property application % stop. All inputs are passed to SoftComputing_OpeningFcn via varargin. % % *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one % instance to run (singleton)". % % See also: GUIDE, GUIDATA, GUIHANDLES % Edit the above text to modify the response to help SoftComputing % Last Modified by GUIDE v Sep :28:53 % Begin initialization code - DO NOT EDIT gui_singleton = 1; gui_state = struct('gui_name', mfilename,... 'gui_singleton', gui_singleton,... 'gui_layoutfcn', [],... 'gui_callback', []); if nargin && ischar(varargin{1}) gui_state.gui_callback = str2func(varargin{1}); end if nargout [varargout{1:nargout}] = gui_mainfcn(gui_state, varargin{:}); else gui_mainfcn(gui_state, varargin{:}); end % End initialization code - DO NOT EDIT % --- Executes just before SoftComputing is made visible. lxiv

45 function SoftComputing_OpeningFcn(hObject, eventdata, handles, varargin) % This function has no output args, see OutputFcn. % hobject handle to figure % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % varargin command line arguments to SoftComputing (see VARARGIN) % Choose default command line output for SoftComputing handles.output = hobject; % Update handles structure guidata(hobject, handles); % UIWAIT makes SoftComputing wait for user response (see UIRESUME) % uiwait(handles.figure1); % --- Outputs from this function are returned to the command line. function varargout = SoftComputing_OutputFcn(hObject, eventdata, handles) % varargout cell array for returning output args (see VARARGOUT); % hobject handle to figure % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Get default command line output from handles structure varargout{1} = handles.output; % Create Own Function --Start function Main_Idle(hObject, eventdata, handles) handles = guidata(handles) RetVal = open_serial(handles.com) if RetVal == 0 set(handles.pushbutton1, 'String', 'Connect') handles.con_stat = false stop(handles.idle_loop) guidata(handles.guifig, handles) return end Water1 = fgetl(handles.com) if isempty(water1) fclose(handles.com) return end fwrite(handles.com, 'S') Texture1 = fgetl(handles.com) if isempty(texture1) fclose(handles.com) return end fwrite(handles.com, 'S') lxv

46 Water2 = fgetl(handles.com) if isempty(water2) fclose(handles.com) return end fwrite(handles.com, 'S') Texture2 = fgetl(handles.com) if isempty(texture2) fclose(handles.com) return end fwrite(handles.com, 'S') Water3 = fgetl(handles.com) if isempty(water3) fclose(handles.com) return end fwrite(handles.com, 'S') Texture3 = fgetl(handles.com) if isempty(texture3) fclose(handles.com) return end fwrite(handles.com, 'S') fclose(handles.com) TextureDec = (hex2dec(texture1) + hex2dec(texture2) + hex2dec(texture3)) / 3 WaterDec = (hex2dec(water1) + hex2dec(water2) + hex2dec(water3)) / 3 if (WaterDec > 50) (TextureDec > 50) fis_figure = readfis(strcat(handles.fruit_choose, '_Air')) result_water = evalfis(waterdec, fis_figure) fis_figure = readfis(strcat(handles.fruit_choose, '_Tekstur')) result_texture = evalfis(texturedec, fis_figure) fis_figure = readfis(handles.fruit_choose) result_analysis = evalfis([texturedec WaterDec], fis_figure) switch handles.fruit_choose case'mangga' if result_analysis < 70 text_result = 'Mentah' elseif (result_analysis >= 70) && (result_analysis < 80) text_result = 'Mengkal' elseif (result_analysis >= 80) && (result_analysis < 145) text_result = '' elseif (result_analysis >= 145) && (result_analysis < 180) text_result = ' ' else text_result = 'Busuk' end case'alpukat' if result_analysis < 80 text_result = 'Mentah' elseif (result_analysis >= 80) && (result_analysis < 90) text_result = 'Mengkal' elseif (result_analysis >= 90) && (result_analysis < 110) lxvi

47 text_result = '' elseif (result_analysis >= 110) && (result_analysis < 130) text_result = ' ' else text_result = 'Busuk' end case'pepaya' if result_analysis < 75 text_result = 'Mentah' elseif (result_analysis >= 75) && (result_analysis < 90) text_result = 'Mengkal' elseif (result_analysis >= 90) && (result_analysis < 115) text_result = '' elseif (result_analysis >= 115) && (result_analysis < 165) text_result = ' ' else text_result = 'Busuk' end end set(handles.edit1, 'String', strcat(sprintf('%0.2f', result_water), ' %')) set(handles.edit2, 'String', sprintf('%0.2f', result_texture)) set(handles.edit3, 'String', strcat(sprintf('%0.2f', result_analysis), ' %')) set(handles.edit4, 'String', text_result) else set(handles.edit1, 'String', 'ERROR') set(handles.edit2, 'String', 'ERROR') set(handles.edit3, 'String', 'ERROR') set(handles.edit4, 'String', 'ERROR') end guidata(handles.guifig, handles) function Ret = open_serial(serial_port) try fopen(serial_port) catch Ret = 0 figure = msgbox('open Port Failed', 'Communication', 'error') uiwait(figure) return end Ret = 1 % Create Own Function --End % --- Executes during object creation, after setting all properties. function figure1_createfcn(hobject, eventdata, handles) % hobject handle to figure1 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called handles.fruit_choose = 'Mangga' handles.con_stat = false handles.com = serial('com1', 'Timeout', 1) lxvii

48 handles.guifig = gcf handles.idle_loop = timer set(handles.idle_loop, 'ExecutionMode', 'fixedspacing') set(handles.idle_loop, 'TimerFcn', {@Main_Idle, handles.guifig}) set(handles.idle_loop, 'Period', 0.1) guidata(hobject, handles) % --- Executes on selection change in popupmenu1. function popupmenu1_callback(hobject, eventdata, handles) % hobject handle to popupmenu1 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hints: contents = cellstr(get(hobject,'string')) returns popupmenu1 contents as cell array % contents{get(hobject,'value')} returns selected item from popupmenu1 com = get(hobject, 'Value') switch com case 1 com = 'COM1' case 2 com = 'COM2' case 3 com = 'COM3' case 4 com = 'COM4' case 5 com = 'COM5' case 6 com = 'COM6' case 7 com = 'COM7' case 8 com = 'COM8' case 9 com = 'COM9' end set(handles.com, 'Port', com) guidata(hobject, handles) % --- Executes during object creation, after setting all properties. function popupmenu1_createfcn(hobject, eventdata, handles) % hobject handle to popupmenu1 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles empty - handles not created until after all CreateFcns called % Hint: popupmenu controls usually have a white background on Windows. % See ISPC and COMPUTER. if ispc && isequal(get(hobject,'backgroundcolor'), get(0,'defaultuicontrolbackgroundcolor')) lxviii

49 set(hobject,'backgroundcolor','white'); end % --- Executes on button press in pushbutton1. function pushbutton1_callback(hobject, eventdata, handles) % hobject handle to pushbutton1 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) if handles.con_stat == false RetVal = open_serial(handles.com) if RetVal == 0 return end fwrite(handles.com, 'C') Data = fgetl(handles.com) if Data ~= 'C' msgbox('connection Failed', 'Communication', 'error') return end fwrite(handles.com, 'Y') fclose(handles.com) set(handles.pushbutton1, 'String', 'Disconnect') handles.con_stat = true start(handles.idle_loop) else stop(handles.idle_loop) RetVal = open_serial(handles.com) if RetVal == 0 return end fwrite(handles.com, 'D') Data = fgetl(handles.com) if Data ~= 'D' msgbox('connection Failed', 'Communication', 'error') return end fclose(handles.com) set(handles.pushbutton1, 'String', 'Connect') handles.con_stat = false end guidata(hobject, handles) % --- Executes when user attempts to close figure1. function figure1_closerequestfcn(hobject, eventdata, handles) % hobject handle to figure1 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) % Hint: delete(hobject) closes the figure if handles.con_stat == true stop(handles.idle_loop) RetVal = 1; try fopen(handles.com) lxix

50 catch RetVal = 0 end if RetVal == 1 fwrite(handles.com, 'D') fclose(handles.com) end end delete(hobject); % --- Executes on button press in pushbutton2. function pushbutton2_callback(hobject, eventdata, handles) % hobject handle to pushbutton2 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) close % --- Executes when selected object is changed in uipanel2. function uipanel2_selectionchangefcn(hobject, eventdata, handles) % hobject handle to the selected object in uipanel2 % eventdata structure with the following fields (see UIBUTTONGROUP) % EventName: string 'SelectionChanged' (read only) % OldValue: handle of the previously selected object or empty if none was selected % NewValue: handle of the currently selected object % handles structure with handles and user data (see GUIDATA) switch get(eventdata.newvalue, 'Tag') case'radiobutton1' handles.fruit_choose = 'Mangga' case'radiobutton2' handles.fruit_choose = 'Alpukat' case'radiobutton3' handles.fruit_choose = 'Pepaya' end guidata(hobject, handles) lxx

51 LAMPIRAN E Datasheet LE.1. Datasheet Transduser Ultrasonik lxxi

52 lxxii

53 lxxiii

54 LE.2. Datasheet ATMEGA8 lxxiv

55 lxxv

56 lxxvi

57 LE.3. Datasheet CA3130 lxxvii

58 lxxviii

59 lxxix

60 lxxx

61 LE.4. Datasheet IRF840 lxxxi

62 lxxxii