86 lines
1.9 KiB
Text
86 lines
1.9 KiB
Text
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/*
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Character analysis operators
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Examples using the character analysis operators.
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Send any byte and the sketch will tell you about it.
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created 29 Nov 2010
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by Tom Igoe
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This example code is in the public domain.
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*/
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void setup() {
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// Open serial communications:
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Serial.begin(9600);
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// send an intro:
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Serial.println("send any byte and I'll tell you everything I can about it");
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Serial.println();
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}
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void loop() {
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// get any incoming bytes:
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if (Serial.available() > 0) {
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int thisChar = Serial.read();
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// say what was sent:
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Serial.print("You sent me: \'");
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Serial.write(thisChar);
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Serial.print("\' ASCII Value: ");
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Serial.println(thisChar);
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// analyze what was sent:
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if(isAlphaNumeric(thisChar)) {
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Serial.println("it's alphanumeric");
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}
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if(isAlpha(thisChar)) {
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Serial.println("it's alphabetic");
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}
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if(isAscii(thisChar)) {
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Serial.println("it's ASCII");
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}
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if(isWhitespace(thisChar)) {
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Serial.println("it's whitespace");
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}
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if(isControl(thisChar)) {
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Serial.println("it's a control character");
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}
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if(isDigit(thisChar)) {
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Serial.println("it's a numeric digit");
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}
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if(isGraph(thisChar)) {
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Serial.println("it's a printable character that's not whitespace");
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}
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if(isLowerCase(thisChar)) {
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Serial.println("it's lower case");
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}
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if(isPrintable(thisChar)) {
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Serial.println("it's printable");
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}
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if(isPunct(thisChar)) {
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Serial.println("it's punctuation");
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}
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if(isSpace(thisChar)) {
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Serial.println("it's a space character");
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}
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if(isUpperCase(thisChar)) {
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Serial.println("it's upper case");
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}
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if (isHexadecimalDigit(thisChar)) {
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Serial.println("it's a valid hexadecimaldigit (i.e. 0 - 9, a - F, or A - F)");
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}
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// add some space and ask for another byte:
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Serial.println();
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Serial.println("Give me another byte:");
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Serial.println();
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}
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}
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