unsigned char i;
unsigned char j;
int Max7219_pinCLK = 11;
int Max7219_pinCS = 10;
int Max7219_pinDIN = 12;
unsigned char disp1[19][8]=
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Heart Pattern
0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x40, 0x40, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x40, 0x40, 0x00, 0x00, 0x00, 0x40, 0x80, 0x80, 0x40, 0x40, 0x00, 0x00, 0x00, 0x60, 0x80, 0x80, 0x40, 0x40, 0x00, 0x00, 0x00, 0x60, 0x90, 0x80, 0x40, 0x40, 0x00, 0x00, 0x00, 0x60, 0x90, 0x88, 0x40, 0x40, 0x00, 0x00, 0x00, 0x60, 0x90, 0x88, 0x44, 0x40, 0x00, 0x00, 0x00, 0x60, 0x90, 0x88, 0x44, 0x44, 0x00, 0x00, 0x00,
0x60, 0x90, 0x88, 0x44, 0x44, 0x08, 0x00, 0x00, 0x60, 0x90, 0x88, 0x44, 0x44, 0x08, 0x10, 0x00, 0x60, 0x90, 0x88, 0x44, 0x44, 0x08, 0x10, 0x20, 0x60, 0x90, 0x88, 0x44, 0x44, 0x08, 0x10, 0x60, 0x60, 0x90, 0x88, 0x44, 0x44, 0x08, 0x90, 0x60, 0x60, 0x90, 0x88, 0x44, 0x44, 0x88, 0x90, 0x60, // Heart Pattern
};
void Write_Max7219_byte(unsigned char DATA)
{
unsigned char i;
digitalWrite(Max7219_pinCS,LOW);
for(i=8;i>=1;i--)
{
digitalWrite(Max7219_pinCLK,LOW);
digitalWrite(Max7219_pinDIN,DATA&0x80);
DATA = DATA<<1;
digitalWrite(Max7219_pinCLK,HIGH);
}
}
void Write_Max7219(unsigned char address,unsigned char dat)
{
digitalWrite(Max7219_pinCS,LOW);
Write_Max7219_byte(address);
Write_Max7219_byte(dat);
digitalWrite(Max7219_pinCS,HIGH);
}
void Init_MAX7219(void)
{
Write_Max7219(0x09, 0x00);
Write_Max7219(0x0a, 0x03);
Write_Max7219(0x0b, 0x07);
Write_Max7219(0x0c, 0x01);
Write_Max7219(0x0f, 0x00);
}
void setup()
{
pinMode(Max7219_pinCLK,OUTPUT);
pinMode(Max7219_pinCS,OUTPUT);
pinMode(Max7219_pinDIN,OUTPUT);
delay(50);
Init_MAX7219();
}
void loop()
{
for(j=0;j<19;j++)
{
for(i=1;i<9;i++)
Write_Max7219(i,disp1[j][i-1]);
delay(500);
}
}