MAX7456/examples/Max7456Write/Max7456Write.ino

// Do not remove the include below
#include "max7456.h"
#include <SPI.h>


Max7456 *osd = NULL; //Pointer representing a max7456 .
//THIS ARRAY IS OBTAINED BY AN OTHER PROGRAM
//Those 13.5ko of data are stored in the program memory.
//Be awared that 0xFF are stored as 0x55 as program memory can't stand series of 0xFF (Arduino vicious problem)
const unsigned char tableOfAllCharacters[13824] PROGMEM = {0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0xf3, 0x55, 0x55, 0x55, 0x55, 0x3f, 0x55, 0xcf, 0x55, 0x55, 0xcf, 0x55, 0x55, 0xcf, 0x55, 0x55, 0xcf, 0x55, 0x55, 0x55, 0x3f, 0x55, 0x55, 0x3f, 0x55, 0x3f, 0x3f, 0x55, 0xf, 0x3f, 0x55, 0xc0, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0xfc, 0x55, 0xcf, 0x55, 0x55, 0x55, 0x55, 0xf3, 0x55, 0x55, 0xf3, 0x55, 0x55, 0xf3, 0x55, 0x55, 0xf3, 0x55, 0x55, 0x55, 0x55, 0x55, 0xf0, 0x55, 0x55, 0xf0, 0x3f, 0x55, 0xcf, 0x3f, 0x55, 0x3f, 0x3f, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0xf3, 0x55, 0xf3, 0x55, 0x55, 0x55, 0xf3, 0x55, 0x55, 0xf3, 0x55, 0x55, 0xf3, 0x55, 0x55, 0xf3, 0x55, 0x55, 0xf3, 0x55, 0x55, 0xf3, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0xcf, 0x55, 0xfc, 0x3, 0x55, 0xfc, 0xf3, 0x55, 0xfc, 0x3, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x3f, 0xf3, 0x55, 0x55, 0x55, 0xcf, 0x55, 0x55, 0xcf, 0x55, 0x55, 0xcf, 0xc3, 0x55, 0x55, 0x3f, 0x55, 0xfc, 0x3f, 0x55, 0xfc, 0x55, 0xfc, 0xc, 0x55, 0xfc, 0xc0, 0x55, 0xfc, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x



void setup() {

  //Sample code : Write a complete table of character in the character memory of the max7456.

  charact currentChar; //represents a character as stored in memory (byte[54])

  Serial.begin(9600);
  SPI.begin();
  Serial.println(F("Initializing..."));
  osd = new Max7456(10); //new Max7456 with CS on pin 9.
  Serial.println(F("Updating MAX7456 charset"));
  Serial.println(F("Aare you sure? (y/n)"));
  bool goodChar = false;

  osd->activateOSD(false); // Deactivate osd display.
  //Just some serial manipulations
  while (!goodChar)
  {
    while (!Serial.available() );
    char found;
    found =  char(Serial.read());
    goodChar = (found == 'y' || found == 'Y');
    if (found == 'n' || found == 'N')
    {
      Serial.println(F("------ NOTHING DONE ------"));
      Serial.println(F("please unplug your arduino"));
      while (true);
    }
  }

  char number[] = "000";

  for (int i = 0 ; i <= 0xff; i++)
  {
    Serial.print(F("Inserting "));
    dtostrf(i, 3, 0, number);
    Serial.print(number);
    Serial.println(F(" of 255"));
    Max7456::getCARACFromProgMem(tableOfAllCharacters, i, currentChar); //Because the table is too big for ram memory

    osd->sendCharacter(currentChar, i & 0xF0, i & 0xF0); //We send currentChar at address i.

    for (int j = 0 ; j < 19 ; j++) //Rewind Serial.
      Serial.print(char(0x08));
  }
  Serial.println(F("---------- DONE! ----------"));
  Serial.println(F("please unplug your arduino."));
}

void loop()
{
  //Nothing done here
}