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DAFTAR ISI

1. Prosedur

2. Hardware dan Diagram Blok

3. Rangkaian Simulasi dan Prinsip Kerja

4. Flowchart dan Listing Program

5. Video Demo

6. Kondisi

7. Download File

Percobaan 2

 Komunikasi SPI Menggunakan Arduino

1. Prosedur [Kembali]

1. Rangkai komponen sesuai percobaan dan kondisi yang dipilih.

2. Buat program menggunakan Arduino IDE.

3. Compile program yang telah dibuat lalu Upload ke dalam Arduino Uno.

4. Saat Proses Penguploadan porgram, lepas pin rx tx pada arduino master dengan arduino slave

5. Uji coba program pada rangkaian percobaan sesuai dengan kondisi yang diinginkan.

6. Selesai

2. Hardware dan Diagram Blok [Kembali]

Hardware :

1. Arduino Uno

2. Dip Switch

3. LED

Diagram Blok :

Hardware :

1.Arduino Uno

2.Dipswitch

3.Seven Segment 2 Digit

4.Resistor

Diagram Blok :

3. Rangkaian Simulasi dan Prinsip Kerja [Kembali]

Rangkaian Simulasi :

Prinsip Kerja : 

Dalam susunan tersebut, ada dua jenis Arduino yang digunakan: Arduino master dan Arduino slave. Arduino slave terkoneksi dengan 7 segmen sebagai output, sementara Arduino master terkoneksi dengan 7 segmen sebagai input.

.

4. Flowchart dan Listing Program [Kembali]

Flowchart :

Flowchart :

Arduino Master

Arduino Slave

Listing Program :

//Master Arduino
#include //Library for SPI
int dip[] = {2,3,4,5,6,7,8,9};
int dipvalue[] = {};
void setup (){
 Serial.begin(9600); //Starts Serial Communication at Baud Rate 115200
 for(int i = 0; i < 8; i++){
 pinMode(dip[i], INPUT_PULLUP);
 }
 SPI.begin(); //Begins the SPI commnuication
 SPI.setClockDivider(SPI_CLOCK_DIV8); //Sets clock for SPI communication at 8 (16/8=2Mhz)
 digitalWrite(SS,HIGH); // Setting SlaveSelect as HIGH (So master doesnt connnect with
slave)
}
void loop(void){
 byte Mastersend;
 int x = 1;
 for(int i = 0; i < 8; i++){
 dipvalue[i] = digitalRead(dip[i]);
 if(dipvalue[i] == LOW){
 x = dip[i];
 }
 }
 digitalWrite(SS, LOW); //Starts communication with Slave connected to master
Mastersend = x;
 Serial.println(Mastersend);
 SPI.transfer(Mastersend); //Send the mastersend value to slave also receives value from slave
 delay(1000);
}
//Slave Arduino:
#include
const int segmentPins[] = {9, 8, 7, 6, 5, 4, 3, 2};
volatile boolean received = false;
volatile byte Slavereceived;
int index;
void setup(){
 Serial.begin(9600);
 for (int i = 0; i < 8; i++) {
 pinMode(segmentPins[i], OUTPUT);
 }
 SPCR |= _BV(SPE); //Turn on SPI in Slave Mode
 SPI.attachInterrupt(); //Interuupt ON is set for SPI commnucation
}
ISR (SPI_STC_vect){ //Inerrrput routine function
 Slavereceived = SPDR; // Value received from master if store in variable slavereceived
 received = true; //Sets received as True
}
void loop(){
 Serial.println(Slavereceived);
 if(received){//Logic to SET LED ON OR OFF depending upon the value recerived from master
 displayCharacter(Slavereceived);
 delay(1000);
 }
}
void displayCharacter(int ch) {
 byte patterns[10][7] = {
 {0, 0, 0, 0, 0, 0, 1}, // 0
 {1, 0, 0, 1, 1, 1, 1}, // 1
 {0, 0, 1, 0, 0, 1, 0}, // 2
 {0, 0, 0, 0, 1, 1, 0}, // 3
 {1, 0, 0, 1, 1, 0, 0}, // 4
 {0, 1, 0, 0, 1, 0, 0}, // 5
 {0, 1, 0, 0, 0, 0, 0}, // 6
 {0, 0, 0, 1, 1, 1, 1}, // 7
 {0, 0, 0, 0, 0, 0, 0}, // 8
 {0, 0, 0, 0, 1, 0, 0} // 9
 };
 if ((ch >= 0 && ch <= 9)) {
 // Get the digit index (0-9) from the character
 int index = ch;
 // Write the pattern to the segment pins
 for (int i = 0; i < 7; i++) {
 digitalWrite(segmentPins[i], patterns[index][i]);
 }
 }
}

5. Video Demo [Kembali]

    

6. Kondisi [Kembali]

Pada rangkaian tersebut, terdapat  dua jenis Arduino yang digunakan: Arduino master dan Arduino slave. Arduino slave terkoneksi dengan 7 segmen sebagai output, sementara Arduino master terkoneksi dengan 7 segmen sebagai input.

7. Download File [Kembali]

HTML                                klik disini

Video Percobaan                klik disini

Listing Program                 klik disini

Datasheet Arduino             klik disini

Datasheet PushButton        klik disini

Datasheet LED                   klik disini