Laporan Akhir 2 (SPI)

 

[KEMBALI KE MENU SEBELUMNYA]

DAFTAR ISI

1. Hardware

2. Rangkaian Simulasi

3. Flowchart

4. Listing Program

5. Analisa

6. Video simulasi

7. Link Download

1. Kondisi [KEMBALI]

2. Rangkaian Simulasi [KEMBALI]

3. Flowchart [KEMBALI]
//MASTER

//SLAVE

4. Listing Program [KEMBALI]
//MASTER

#include

#define button 2

#define addr 0x02

bool state, lastState;

void setup() {

  // put your setup code here, to run once:

  pinMode(button, INPUT);

  //Serial.begin(9600);

  //Wire.begin();

  pinMode(SS, OUTPUT);

  digitalWrite(SS, HIGH);

  SPI.begin();

  SPI.setClockDivider(SPI_CLOCK_DIV8);

  lastState = digitalRead(button);

}

void loop() {

  // put your main code here, to run repeatedly:

  state = digitalRead(button);

  if (state != lastState) {

    lastState = state;

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

    // TODO: send data to slave

    digitalWrite(SS, LOW);

    //Wire.beginTransmission(addr);

    if (state == 0) {

      SPI.transfer('A');

      //Wire.write('A');

      //Serial.write('A');

    } else {

      SPI.transfer('B');

      //Wire.write('B');

      //Serial.write('B');

    }

    digitalWrite(SS, HIGH);

    //Wire.endTransmission();

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

  }

  delay(10);

}

//SLAVE

#include

#define led 2

#define addr 0x02

void setup() {

  // put your setup code here, to run once:

  pinMode(led, OUTPUT);

  //Serial.begin(9600);

  digitalWrite(led, LOW);

  SPCR |= _BV(SPE);

  SPI.attachInterrupt();

  //Wire.begin(0x02);

  //Wire.onReceive(callback);

}

ISR (SPI_STC_vect) {

  char c = SPDR;

  if (c == 'A') {

    digitalWrite(led, HIGH);

  } else if (c == 'B') {

    digitalWrite(led, LOW);

  }

}

/*

  void callback() {

  char c = Wire.read();

  if (c == 'A') {

    digitalWrite(led, HIGH);

  } else if (c == 'B') {

    digitalWrite(led, LOW);

  }

  }

*/

void loop() {

  delay(1);

}

5. Analisa [KEMBALI]
Buatlah agar ada 2 push button,1 led dengan 4 kondisi!

//Master

#include //Deklarasi library SPI

#define button1 5

#define button2 4

#define addr 0x02

bool state,lastState;

void setup (){

  pinMode(button1, INPUT);

  pinMode(button2, INPUT);

  pinMode(SS, OUTPUT);

  digitalWrite(SS, HIGH);

  // disable Slave Select

  SPI.begin ();

  SPI.setClockDivider(SPI_CLOCK_DIV8); //divide the clock by 8

  lastState = digitalRead(button1);

  lastState = digitalRead(button2);

}

void loop () {

 state= digitalRead(button1);

 state= digitalRead(button2);

  if(state!= lastState){

    lastState=state;

   digitalWrite(SS, LOW); //enable Slave Select

  // send test string

  if (state == 1 && state== 0)

  {

    SPI.transfer('1');

  }

  else if(state == 0 && state== 1)

  {

    SPI.transfer('2');

  }

  else if(state == 0 && state== 0)

  {

    SPI.transfer('3');

  } else

  {SPI.transfer('4');}

  digitalWrite(SS, HIGH); // disable Slave Select

  delay(2000);

  }

}

//Slave

#include

#define led 7

#define addr0x02;

void setup () {

  pinMode(led, OUTPUT); // have to send on master in so it set as output

  digitalWrite(led,LOW);

  SPCR |= _BV(SPE); // turn on SPI in slave mode

  SPI.attachInterrupt(); // turn on interrupt

}

ISR (SPI_STC_vect) // SPI interrupt routine

{

  char c = SPDR; // read byte from SPI Data Register

    if (c =='1')

    {

      digitalWrite(led, HIGH); //LED menyala

      delay(100);

      digitalWrite(led, LOW); //LED menyala

      delay(100);

    }

    else if (c == '2') //Jika data yang dikirimkan berlogika

    {

      digitalWrite(led, HIGH); //LED menyala

      delay(1000);

      digitalWrite(led, LOW); //LED menyala

      delay(1000);

    }

    else if (c == '3') //Jika data yang dikirimkan berlogika

    {

      digitalWrite(led, HIGH); //LED menyala

    }

    else

    {

      digitalWrite(led, LOW); //LED mati

    }

}

    void loop () {

      delay(1);

    }

 

6. Video Simulasi [KEMBALI]

7. Link Download [KEMBALI]
Listing Program klik disini
Video Percobaan klik disini