/*
  ASCII table

  Prints out byte values in all possible formats:
  - as raw binary values
  - as ASCII-encoded decimal, hex, octal, and binary values

  For more on ASCII, see http://www.asciitable.com and http://en.wikipedia.org/wiki/ASCII

  The circuit: No external hardware needed.

  created 2006
  by Nicholas Zambetti <http://www.zambetti.com>
  modified 9 Apr 2012
  by Tom Igoe

  This example code is in the public domain.

  https://docs.arduino.cc/built-in-examples/communication/ASCIITable/
*/

#define DEBUG
Stream* debugPtr = NULL;  // no debug to start with


void setup() {

  //Initialize Serial1 if debugging, else Serial
#ifdef DEBUG
  Serial1.begin(9600);
  debugPtr = &Serial1;
#else
  Serial.begin(9600);
  debugPtr = &Serial;
#endif

  // wait 5secs to allow opening of monitor to see initial output
  if (debugPtr) {
    for (int i = 10; i > 0; i--) {
      debugPtr->print(i);
      debugPtr->print(' ');

      delay(500);
    }
    debugPtr->println();
  }

  // prints title with ending line break
  if (debugPtr) {
    debugPtr->println("ASCII Table ~ Character Map");
  }
}

// first visible ASCIIcharacter '!' is number 33:
int thisByte = 33;
// you can also write ASCII characters in single quotes.
// for example, '!' is the same as 33, so you could also use this:
// int thisByte = '!';

void loop() {
  // prints value unaltered, i.e. the raw binary version of the byte.
  // The Serial Monitor interprets all bytes as ASCII, so 33, the first number,
  // will show up as '!'
  if (debugPtr) {
    debugPtr->write(thisByte);
  }

  // prints value as string as an ASCII-encoded decimal (base 10).
  // Decimal is the default format for debugPtr->print() and debugPtr->println(),
  // so no modifier is needed:
  if (debugPtr) {
    debugPtr->print(", dec: ");
    debugPtr->print(thisByte);
    debugPtr->print(", hex: ");
    debugPtr->print(thisByte, HEX);
    debugPtr->print(", oct: ");
    debugPtr->print(thisByte, OCT);
    debugPtr->print(", bin: ");
    debugPtr->println(thisByte, BIN);
  }

  // if printed last visible character '~' or 126, stop:
  if (thisByte == 126) {  // you could also use if (thisByte == '~') {
    // This loop loops forever and does nothing
    while (true) {
      continue;
    }
  }
  // go on to the next character
  thisByte++;
}