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77 lines
2.0 KiB
Plaintext
77 lines
2.0 KiB
Plaintext
15 years ago
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/*
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ASCII table
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Prints out byte values in all possible formats:
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* as raw binary values
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* as ASCII-encoded decimal, hex, octal, and binary values
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For more on ASCII, see http://www.asciitable.com and http://en.wikipedia.org/wiki/ASCII
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The circuit: No external hardware needed.
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created 2006
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by Nicholas Zambetti
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modified 18 Jan 2009
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by Tom Igoe
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14 years ago
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This example code is in the public domain.
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15 years ago
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<http://www.zambetti.com>
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14 years ago
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15 years ago
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*/
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void setup()
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{
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Serial.begin(9600);
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// prints title with ending line break
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Serial.println("ASCII Table ~ Character Map");
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}
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// first visible ASCIIcharacter '!' is number 33:
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int thisByte = 33;
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// you can also write ASCII characters in single quotes.
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// for example. '!' is the same as 33, so you could also use this:
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//int thisByte = '!';
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void loop()
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{
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// prints value unaltered, i.e. the raw binary version of the
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// byte. The serial monitor interprets all bytes as
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// ASCII, so 33, the first number, will show up as '!'
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Serial.print(thisByte, BYTE);
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Serial.print(", dec: ");
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// prints value as string as an ASCII-encoded decimal (base 10).
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// Decimal is the default format for Serial.print() and Serial.println(),
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// so no modifier is needed:
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Serial.print(thisByte);
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// But you can declare the modifier for decimal if you want to.
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//this also works if you uncomment it:
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// Serial.print(thisByte, DEC);
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Serial.print(", hex: ");
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// prints value as string in hexadecimal (base 16):
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Serial.print(thisByte, HEX);
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Serial.print(", oct: ");
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// prints value as string in octal (base 8);
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Serial.print(thisByte, OCT);
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Serial.print(", bin: ");
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// prints value as string in binary (base 2)
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// also prints ending line break:
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Serial.println(thisByte, BIN);
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// if printed last visible character '~' or 126, stop:
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if(thisByte == 126) { // you could also use if (thisByte == '~') {
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// This loop loops forever and does nothing
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while(true) {
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continue;
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}
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}
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// go on to the next character
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thisByte++;
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}
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