48 lines
993 B
Text
48 lines
993 B
Text
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/*
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String to Integer conversion
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Reads a serial input string until it sees a newline, then converts
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the string to a number if the characters are digits.
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The circuit:
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No external components needed.
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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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String inString = ""; // string to hold input
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void setup() {
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// Initialize serial communications:
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Serial.begin(9600);
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}
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void loop() {
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// Read serial input:
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while (Serial.available() > 0) {
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int inChar = Serial.read();
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if (isDigit(inChar)) {
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// convert the incoming byte to a char
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// and add it to the string:
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inString += (char)inChar;
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}
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// if you get a newline, print the string,
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// then the string's value:
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if (inChar == '\n') {
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Serial.print("Value:");
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Serial.println(inString.toInt());
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Serial.print("String: ");
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Serial.println(inString);
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// clear the string for new input:
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inString = "";
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}
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}
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}
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