DISPLAY 8X8

  // maxmatrix-disp-scroll-text-7219
  // based on // https://code.google.com/p/arudino-maxmatrix-library/wiki/Example_Di...
#include <MaxMatrix.h> #include <avr/pgmspace.h>
#define maxDisplays 3 // Number of MAX7219's in use.
  byte Buf7219[7]; // "width,height,data[5]" single character buffer.
const int data = 11;
// DIN or MOSI
const int load = 10;
// CS
const int clock = 13;
// SCK
MaxMatrix m(data, load, clock, maxDisplays);
// Data array is stored in program memory (see memcpy_P for access).
// Parameters are width, height, character data... // There is a speed improvement for characters with height 8 bits see lib.
PROGMEM const unsigned char CH[] =
{
  3, 8, B0000000, B0000000, B0000000, B0000000, B0000000, // space
  1, 8, B1011111, B0000000, B0000000, B0000000, B0000000, // !
  3, 8, B0000011, B0000000, B0000011, B0000000, B0000000, // "
  5, 8, B0010100, B0111110, B0010100, B0111110, B0010100, // #
  4, 8, B0100100, B1101010, B0101011, B0010010, B0000000, // $
  5, 8, B1100011, B0010011, B0001000, B1100100, B1100011, // %
  5, 8, B0110110, B1001001, B1010110, B0100000, B1010000, // &
  1, 8, B0000011, B0000000, B0000000, B0000000, B0000000, // '
  3, 8, B0011100, B0100010, B1000001, B0000000, B0000000, // (
  3, 8, B1000001, B0100010, B0011100, B0000000, B0000000, // )
  5, 8, B0101000, B0011000, B0001110, B0011000, B0101000, // *
  5, 8, B0001000, B0001000, B0111110, B0001000, B0001000, // +
  2, 8, B10110000, B1110000, B0000000, B0000000, B0000000, // ,
  4, 8, B0001000, B0001000, B0001000, B0001000, B0000000, // -
  2, 8, B1100000, B1100000, B0000000, B0000000, B0000000, // .
  4, 8, B1100000, B0011000, B0000110, B0000001, B0000000, // /
  4, 8, B0111110, B1000001, B1000001, B0111110, B0000000, // 0
  3, 8, B1000010, B1111111, B1000000, B0000000, B0000000, // 1
  4, 8, B1100010, B1010001, B1001001, B1000110, B0000000, // 2
  4, 8, B0100010, B1000001, B1001001, B0110110, B0000000, // 3
  4, 8, B0011000, B0010100, B0010010, B1111111, B0000000, // 4
  4, 8, B0100111, B1000101, B1000101, B0111001, B0000000, // 5
  4, 8, B0111110, B1001001, B1001001, B0110000, B0000000, // 6
  4, 8, B1100001, B0010001, B0001001, B0000111, B0000000, // 7
  4, 8, B0110110, B1001001, B1001001, B0110110, B0000000, // 8
  4, 8, B0000110, B1001001, B1001001, B0111110, B0000000, // 9
  2, 8, B01010000, B0000000, B0000000, B0000000, B0000000, // :
  2, 8, B10000000, B01010000, B0000000, B0000000, B0000000, // ;
  3, 8, B0010000, B0101000, B1000100, B0000000, B0000000, // /p>
  3, 8, B0010100, B0010100, B0010100, B0000000, B0000000, // =
  3, 8, B1000100, B0101000, B0010000, B0000000, B0000000, // >
  4, 8, B0000010, B1011001, B0001001, B0000110, B0000000, // ?
  5, 8, B0111110, B1001001, B1010101, B1011101, B0001110, // @
  4, 8, B1111110, B0010001, B0010001, B1111110, B0000000, // A
  4, 8, B1111111, B1001001, B1001001, B0110110, B0000000, // B
  4, 8, B0111110, B1000001, B1000001, B0100010, B0000000, // C
  4, 8, B1111111, B1000001, B1000001, B0111110, B0000000, // D
  4, 8, B1111111, B1001001, B1001001, B1000001, B0000000, // E
  4, 8, B1111111, B0001001, B0001001, B0000001, B0000000, // F
  4, 8, B0111110, B1000001, B1001001, B1111010, B0000000, // G
  4, 8, B1111111, B0001000, B0001000, B1111111, B0000000, // H
  3, 8, B1000001, B1111111, B1000001, B0000000, B0000000, // I
  4, 8, B0110000, B1000000, B1000001, B0111111, B0000000, // J
  4, 8, B1111111, B0001000, B0010100, B1100011, B0000000, // K
  4, 8, B1111111, B1000000, B1000000, B1000000, B0000000, // L
  5, 8, B1111111, B0000010, B0001100, B0000010, B1111111, // M
  5, 8, B1111111, B0000100, B0001000, B0010000, B1111111, // N
  4, 8, B0111110, B1000001, B1000001, B0111110, B0000000, // O
  4, 8, B1111111, B0001001, B0001001, B0000110, B0000000, // P
  4, 8, B0111110, B1000001, B1000001, B10111110, B0000000, // Q
  4, 8, B1111111, B0001001, B0001001, B1110110, B0000000, // R
  4, 8, B1000110, B1001001, B1001001, B0110010, B0000000, // S
  5, 8, B0000001, B0000001, B1111111, B0000001, B0000001, // T
  4, 8, B0111111, B1000000, B1000000, B0111111, B0000000, // U
  5, 8, B0001111, B0110000, B1000000, B0110000, B0001111, // V
  5, 8, B0111111, B1000000, B0111000, B1000000, B0111111, // W
  5, 8, B1100011, B0010100, B0001000, B0010100, B1100011, // X
  5, 8, B0000111, B0001000, B1110000, B0001000, B0000111, // Y
  4, 8, B1100001, B1010001, B1001001, B1000111, B0000000, // Z
  2, 8, B1111111, B1000001, B0000000, B0000000, B0000000, // [
  4, 8, B0000001, B0000110, B0011000, B1100000, B0000000, // backslash
  2, 8, B1000001, B1111111, B0000000, B0000000, B0000000, // ]
  3, 8, B0000010, B0000001, B0000010, B0000000, B0000000, // hat
  4, 8, B1000000, B1000000, B1000000, B1000000, B0000000, // _
  2, 8, B0000001, B0000010, B0000000, B0000000, B0000000, // `
  4, 8, B0100000, B1010100, B1010100, B1111000, B0000000, // a
  4, 8, B1111111, B1000100, B1000100, B0111000, B0000000, // b
  4, 8, B0111000, B1000100, B1000100, B0000000, B0000000, // c // JFM MOD.
  4, 8, B0111000, B1000100, B1000100, B1111111, B0000000, // d
  4, 8, B0111000, B1010100, B1010100, B0011000, B0000000, // e
  3, 8, B0000100, B1111110, B0000101, B0000000, B0000000, // f
  4, 8, B10011000, B10100100, B10100100, B01111000, B0000000, // g
  4, 8, B1111111, B0000100, B0000100, B1111000, B0000000, // h
  3, 8, B1000100, B1111101, B1000000, B0000000, B0000000, // i
  4, 8, B1000000, B10000000, B10000100, B1111101, B0000000, // j
  4, 8, B1111111, B0010000, B0101000, B1000100, B0000000, // k
  3, 8, B1000001, B1111111, B1000000, B0000000, B0000000, // l
  5, 8, B1111100, B0000100, B1111100, B0000100, B1111000, // m
  4, 8, B1111100, B0000100, B0000100, B1111000, B0000000, // n
  4, 8, B0111000, B1000100, B1000100, B0111000, B0000000, // o
  4, 8, B11111100, B0100100, B0100100, B0011000, B0000000, // p
  4, 8, B0011000, B0100100, B0100100, B11111100, B0000000, // q
  4, 8, B1111100, B0001000, B0000100, B0000100, B0000000, // r
  4, 8, B1001000, B1010100, B1010100, B0100100, B0000000, // s
  3, 8, B0000100, B0111111, B1000100, B0000000, B0000000, // t
  4, 8, B0111100, B1000000, B1000000, B1111100, B0000000, // u
  5, 8, B0011100, B0100000, B1000000, B0100000, B0011100, // v
  5, 8, B0111100, B1000000, B0111100, B1000000, B0111100, // w
  5, 8, B1000100, B0101000, B0010000, B0101000, B1000100, // x
  4, 8, B10011100, B10100000, B10100000, B1111100, B0000000, // y
  3, 8, B1100100, B1010100, B1001100, B0000000, B0000000, // z
  3, 8, B0001000, B0110110, B1000001, B0000000, B0000000, // {
  1, 8, B1111111, B0000000, B0000000, B0000000, B0000000, // |
  3, 8, B1000001, B0110110, B0001000, B0000000, B0000000, // }
  4, 8, B0001000, B0000100, B0001000, B0000100, B0000000, // ~
};
void setup()
{
  m.init();
  m.setIntensity(3);
} // Scrolling Text
char string[] = "Sua mensagem aqui!!!";
void loop()
{
  delay(100);
  m.shiftLeft(false, true);
  printStringWithShift(string, 200
                      );
}
void printCharWithShift(char c, int shift_speed)
{
  if (c < 32) return;
  c -= 32;
  memcpy_P(Buf7219, CH + 7 * c, 7);
  m.writeSprite(maxDisplays * 8, 0, Buf7219);
  m.setColumn(maxDisplays * 8 + Buf7219[0], 0);
  for (int i = 0; i <= Buf7219[0]; i++)
  {
    delay(shift_speed);
    m.shiftLeft(false, false);
  }
}
void printStringWithShift(char* s, int shift_speed)
{
  while (*s != 0)
  {
    printCharWithShift(*s, shift_speed);
    s++;
  }
}