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This is required for Auto Format compatibility because it has the undesirable effect of indenting only unindented contents of multi-lline comments, thus altering the relative indentation of the text. The exception is the Max/MSP patches as I did not know whether indentation would break them.
46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
/*
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String charAt() and setCharAt()
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Examples of how to get and set characters of a String
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created 27 July 2010
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modified 2 Apr 2012
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by Tom Igoe
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http://www.arduino.cc/en/Tutorial/StringCharacters
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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 and wait for port to open:
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Serial.begin(9600);
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while (!Serial) {
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; // wait for serial port to connect. Needed for native USB port only
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}
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Serial.println("\n\nString charAt() and setCharAt():");
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}
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void loop() {
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// make a String to report a sensor reading:
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String reportString = "SensorReading: 456";
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Serial.println(reportString);
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// the reading's most significant digit is at position 15 in the reportString:
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char mostSignificantDigit = reportString.charAt(15);
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String message = "Most significant digit of the sensor reading is: ";
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Serial.println(message + mostSignificantDigit);
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// add blank space:
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Serial.println();
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// you can also set the character of a String. Change the : to a = character
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reportString.setCharAt(13, '=');
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Serial.println(reportString);
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// do nothing while true:
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while (true);
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}
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