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43 lines
892 B
C++
43 lines
892 B
C++
/*
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Multple Serial test
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Receives from the main serial port, sends to the others.
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Receives from serial port 1, sends to the main serial (Serial 0).
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This example works only with boards with more than one serial like Arduino Mega, Due, Zero etc
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The circuit:
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* Any serial device attached to Serial port 1
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* Serial monitor open on Serial port 0:
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created 30 Dec. 2008
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modified 20 May 2012
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by Tom Igoe & Jed Roach
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modified 27 Nov 2015
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by Arturo Guadalupi
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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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// initialize both serial ports:
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Serial.begin(9600);
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Serial1.begin(9600);
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}
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void loop() {
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// read from port 1, send to port 0:
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if (Serial1.available()) {
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int inByte = Serial1.read();
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Serial.write(inByte);
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}
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// read from port 0, send to port 1:
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if (Serial.available()) {
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int inByte = Serial.read();
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Serial1.write(inByte);
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}
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}
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