Hello,
To begin I would like to apologize for my English because I'm french and I use translation.
I am here to introduce my small software develop on WinDev, allowing just having
the code corresponding to the design wish.
link : MEGA
For example my arduino code:
unsigned char i;
unsigned char j;
/*Port Definitions*/
int Max7219_pinCLK = 41;
int Max7219_pinCS = 42;
int Max7219_pinDIN = 43;
// PASTE HERE HEXADECIMAL FROM SOFTWARE
unsigned char disp1[38][8]={
{0x81,0xC3,0xE7,0xFF,0xFF,0xE7,0xC3,0x81},
{0xFF,0x7E,0x3C,0x18,0x18,0x3C,0x7E,0xFF}
};
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);// Extracting a bit data
DATA = DATA<<1;
digitalWrite(Max7219_pinCLK,HIGH);
}
}
void Write_Max7219(unsigned char address,unsigned char dat)
{
digitalWrite(Max7219_pinCS,LOW);
Write_Max7219_byte(address); //address?code of LED
Write_Max7219_byte(dat); //data?figure on LED
digitalWrite(Max7219_pinCS,HIGH);
}
void Init_MAX7219(void)
{
Write_Max7219(0x09, 0x00); //decoding ?BCD
Write_Max7219(0x0a, 0x03); //brightness
Write_Max7219(0x0b, 0x07); //scanlimit?8 LEDs
Write_Max7219(0x0c, 0x01); //power-down mode?0?normal mode?1
Write_Max7219(0x0f, 0x00); //test display?1?EOT?display?0
}
void setup()
{
pinMode(Max7219_pinCLK,OUTPUT);
pinMode(Max7219_pinCS,OUTPUT);
pinMode(Max7219_pinDIN,OUTPUT);
delay(50);
Init_MAX7219();
}
void printMat(unsigned int Data)
{
for(i=1;i<9;i++)
Write_Max7219(i,disp1[Data][i-1]);
delay(500);
}
void loop()
{
printMat(0);
printMat(1);
}
table