dotmatrixdisplay-pir-remote.ino

#include <IRremote.h>

int pinCLK = 10;
int pinCS = 9;
int pinDIN = 8;
boolean displayOn = false;
int pir = 2;
int remote = 3;

IRrecv irrecv(remote);
decode_results results;

unsigned char dat[8] = {0b010000001,
                        0b001011010,
                        0b000100100,
                        0b001011010,
                        0b001011010,
                        0b000100100,
                        0b001011010,
                        0b010000001
                       };

unsigned char heart[8] = {0b00000000,
                          0b01100110,
                          0b11111111,
                          0b11111111,
                          0b11111111,
                          0b01111110,
                          0b00111100,
                          0b00011000
                         };

unsigned char smily[8] = {0b00000000,
                          0b01000010,
                          0b11100111,
                          0b01000010,
                          0b00000000,
                          0b01000010,
                          0b00100100,
                          0b00011000
                         };


unsigned char handsup[8] = {0b10000001,
                            0b01011010,
                            0b00100100,
                            0b00011000,
                            0b00011000,
                            0b00011000,
                            0b00011000,
                            0b00100100
                           };


unsigned char handshoriz[8] = {0b00000000,
                               0b00011000,
                               0b11100111,
                               0b00011000,
                               0b00011000,
                               0b00011000,
                               0b00011000,
                               0b00100100
                              };

unsigned char handsdown[8] = {0b00000000,
                              0b00011000,
                              0b00100100,
                              0b01011010,
                              0b10011001,
                              0b00011000,
                              0b00011000,
                              0b00100100
                             };

void WriteByte(unsigned char DATA)
{
  unsigned char i;
  digitalWrite(pinCS, LOW);
  for (i = 8; i >= 1; i--)
  {
    digitalWrite(pinCLK, LOW);
    digitalWrite(pinDIN, DATA & 0x80);
    DATA = DATA << 1;
    digitalWrite(pinCLK, HIGH);
  }
}

void writeChar(unsigned char address, unsigned char dat)
{
  digitalWrite(pinCS, LOW);
  WriteByte(address);
  WriteByte(dat);
  digitalWrite(pinCS, HIGH);
}

void clearScreen()
{
  for (int i = 1; i < 9; i++)
    writeChar(i, 0);
}

void initDisplay(void)
{
  writeChar(0x09, 0x00);
  writeChar(0x0a, 0x03);
  writeChar(0x0b, 0x07);
  writeChar(0x0c, 0x01);
  writeChar(0x0f, 0x00);
}

void setup()
{
  pinMode(pir, INPUT_PULLUP);
  pinMode(remote, INPUT_PULLUP);
  pinMode(pinCLK, OUTPUT);
  pinMode(pinCS, OUTPUT);
  pinMode(pinDIN, OUTPUT);
  delay(50);
  initDisplay();

  displayOn = true;
  irrecv.enableIRIn();
  attachInterrupt(digitalPinToInterrupt(pir), displayToggle, CHANGE);
  attachInterrupt(digitalPinToInterrupt(remote), checkRemote, CHANGE);

}

void checkRemote()
{
  if (irrecv.decode(&results)) {
    displayOn = !displayOn;
    irrecv.resume();
  }
}

void displayToggle()
{
  displayOn = !displayOn;
}

void loop()
{
  if (displayOn)
  {
    for (int j = 0; j < 5; j++)
    {
      for (int i = 1; i < 9; i++)
        writeChar(i, handsup[i - 1]);
      delay(100);
      for (int i = 1; i < 9; i++)
        writeChar(i, handshoriz[i - 1]);
      delay(100);
      for (int i = 1; i < 9; i++)
        writeChar(i, handsdown[i - 1]);
      delay(100);
      for (int i = 1; i < 9; i++)
        writeChar(i, handshoriz[i - 1]);
      delay(100);
    }
    for (int i = 1; i < 9; i++)
      writeChar(i, smily[i - 1]);
    delay(1000);
    for (int i = 1; i < 9; i++)
      writeChar(i, heart[i - 1]);
    delay(1000);
    displayOn = false;
    clearScreen();
  }
}