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DAFTAR ISI

1.Kondisi
2.Gambar Rangkaian Simulasi

3.Flowchart

4.Listing Program

5.Video Simulasi
6.Link Download

MODUL III

COMMUNICATION

1.Kondisi. [kembali]  

Buatlah kondisi awal LED mati, lalu hidup berkedip dengan delay 1000 ms

2.Gambar Rangkaian Simulasi[kembali]

LED MATI

LED HIDUP

                                                                                

3. Flowchart [Kembali]

Flowchart Master

Flowchart Slave

                                                    

4. Listing Program [Kembali]

A. Listing Program Master

#include  <SPI.h>  //Deklarasi library SPI
#define button 2
void setup (void) {
  pinMode(button,INPUT_PULLUP);
  Serial.begin(115200); //Set baud rate 115200
  digitalWrite(SS, HIGH);
  // disable Slave Select
  SPI.begin ();
  SPI.setClockDivider(SPI_CLOCK_DIV8);  //divide the clock by 8
}
void loop (void) {
  char c;
  int nilai=digitalRead(button);
  if(nilai==0){
  digitalWrite(SS, LOW);  //enable Slave Select
  // send test string
  for (const char * p = "Hello, world!\r" ; c = *p; p++)
  {
    SPI.transfer (c);
    Serial.print(c);
  }
  digitalWrite(SS, HIGH); // disable Slave Select
  delay(1000);
  }
}

B. Listing Program Slave

#include <SPI.h>
#define led 2

char buff [50];
volatile byte indx;
volatile boolean process;

void setup (void) {
  Serial.begin (115200);
  pinMode(led, OUTPUT); // have to send on master in so it set as output
  SPCR |= _BV(SPE); // turn on SPI in slave mode
  indx = 0; // buffer empty
  process = false;
  SPI.attachInterrupt(); // turn on interrupt
}

ISR (SPI_STC_vect) // SPI interrupt routine
{
  byte c = SPDR; // read byte from SPI Data Register
  if (indx < sizeof buff) {
    buff [indx++] = c; // save data in the next index in the array buff
    if (c == '\r') //check for the end of the word
      process = true;
  }
}
void loop (void) {
  if (process) {
    digitalWrite(led, HIGH);
    process = false; //reset the process
    Serial.println (buff); //print the array on serial monitor
    indx = 0; //reset button to zero
    delay(1000);
  }
  else
  {
    digitalWrite(led, LOW);
  }
}

5. Video Simulasi. [kembali]

 
6. Link Download[Kembali]

Video [ DOWNLOAD ]

Rangkaian Simulasi [ DOWNLOAD ]

Flowchart [ DOWNLOAD ]

Listing Program Master [ DOWNLOAD ]

Listing Program Slave [ DOWNLOAD ]

HTML [ DOWNLOAD ]

[Menuju Awal]