Reference for Wiring version 0027+ If you have a previous version, use the reference includede with your software. If see any errors or have any comments, let us know.
Class | Serial |
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Name | peek() |
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Examples | int val; void setup() { Serial.begin(9600); } void loop() { if( Serial.available() > 0) { val = Serial.peek(); Serial.print("Next byte available is: "); Serial.println(val); } } |
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Description | Returns the value of the next byte available without doing a reading. | ||
Syntax | serial.peek() |
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Parameters |
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Returns | int: The value for the next byte of data available or -1 if no data is available. | ||
Usage | Application |