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61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
/*
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Serial Event example
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When new serial data arrives, this sketch adds it to a String.
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When a newline is received, the loop prints the string and
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clears it.
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A good test for this is to try it with a GPS receiver
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that sends out NMEA 0183 sentences.
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Created 9 May 2011
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by Tom Igoe
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This example code is in the public domain.
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http://www.arduino.cc/en/Tutorial/SerialEvent
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*/
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String inputString = ""; // a string to hold incoming data
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boolean stringComplete = false; // whether the string is complete
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void setup() {
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// initialize serial:
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Serial.begin(9600);
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// reserve 200 bytes for the inputString:
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inputString.reserve(200);
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}
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void loop() {
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// print the string when a newline arrives:
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if (stringComplete) {
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Serial.println(inputString);
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// clear the string:
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inputString = "";
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stringComplete = false;
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}
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}
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/*
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SerialEvent occurs whenever a new data comes in the
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hardware serial RX. This routine is run between each
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time loop() runs, so using delay inside loop can delay
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response. Multiple bytes of data may be available.
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*/
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void serialEvent() {
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while (Serial.available()) {
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// get the new byte:
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char inChar = (char)Serial.read();
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// add it to the inputString:
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inputString += inChar;
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// if the incoming character is a newline, set a flag
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// so the main loop can do something about it:
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if (inChar == '\n') {
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stringComplete = true;
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}
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}
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}
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