Reference for Wiring version 1.0 Build 0100+ If you have a previous version, use the reference included with your software. If see any errors or have any comments, let us know.
Name | toUpperCase() |
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Examples | char tab = 't'; // tab character char digit = '1'; // digit character char upperA = 'A'; // upper case 'A' char lowerA = 'a'; // lower case 'a' char colon = ','; // comma char val; void setup() { Serial.begin(9600); val = toLowerCase(upperA); Serial.print(val); // prints 'a' Serial.print(" "); Serial.print(isAlphaNumeric(digit),DEC); // prints 1 (true) Serial.print(" "); Serial.print(isAlpha(upperA),DEC); // prints 1 (true) Serial.print(" "); Serial.print(isAscii(upperA),DEC); // prints 1 (true) Serial.print(" "); Serial.print(isWhitespace(tab),DEC); // prints 1 (true) Serial.print(" "); Serial.print(isGraph(lowerA),DEC); // prints 1 (true) Serial.print(" "); Serial.print(isLowerCase(lowerA),DEC); // prints 1 (true) Serial.print(" "); Serial.print(isSpace(val),DEC); // prints 0 (false) Serial.print(" "); Serial.print(isUpperCase(upperA),DEC); // prints 1 (true) Serial.print(" "); Serial.print(isControl(upperA), DEC); // prints 0 (false) Serial.print(" "); Serial.print(isDigit(digit), DEC); // prints 1 (true) Serial.print(" "); Serial.print(isGraph(digit), DEC); // prints 1 (true) Serial.print(" "); Serial.print(isPunct(colon), DEC); // prints 1 (true) Serial.print(" "); Serial.print(isHexadecimalDigit('F'), DEC); // prints 1 (true) Serial.print(" "); val = toLowerCase('K'); // prints 'k' Serial.print(val); Serial.print(" "); val = toAscii(40); Serial.println(val); // prints '(' } void loop() { } |
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Description | Converts the letter c to upper case, if possible. Warning: This function will convert accented letters into random characters. | ||
Syntax | toUpperCase(var)
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Parameters |
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Returns | char: the converted character | ||
Usage | Application | ||
Related | toAscii() toLowerCase() toUpperCase() |