platformio library faff
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/*
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Software serial multple serial test
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Receives from the hardware serial, sends to software serial.
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Receives from software serial, sends to hardware serial.
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The circuit:
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* RX is digital pin 10 (connect to TX of other device)
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* TX is digital pin 11 (connect to RX of other device)
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Note:
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Not all pins on the Mega and Mega 2560 support change interrupts,
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so only the following can be used for RX:
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10, 11, 12, 13, 50, 51, 52, 53, 62, 63, 64, 65, 66, 67, 68, 69
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Not all pins on the Leonardo support change interrupts,
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so only the following can be used for RX:
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8, 9, 10, 11, 14 (MISO), 15 (SCK), 16 (MOSI).
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created back in the mists of time
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modified 25 May 2012
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by Tom Igoe
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based on Mikal Hart's example
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This example code is in the public domain.
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*/
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#include <SoftwareSerial.h>
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SoftwareSerial mySerial(10, 11); // RX, TX
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void setup()
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{
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// Open serial communications and wait for port to open:
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Serial.begin(57600);
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while (!Serial) {
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; // wait for serial port to connect. Needed for Leonardo only
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}
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Serial.println("Goodnight moon!");
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// set the data rate for the SoftwareSerial port
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mySerial.begin(4800);
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mySerial.println("Hello, world?");
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}
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void loop() // run over and over
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{
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if (mySerial.available())
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Serial.write(mySerial.read());
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if (Serial.available())
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mySerial.write(Serial.read());
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}
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/*
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Software serial multple serial test
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Receives from the two software serial ports,
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sends to the hardware serial port.
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In order to listen on a software port, you call port.listen().
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When using two software serial ports, you have to switch ports
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by listen()ing on each one in turn. Pick a logical time to switch
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ports, like the end of an expected transmission, or when the
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buffer is empty. This example switches ports when there is nothing
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more to read from a port
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The circuit:
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Two devices which communicate serially are needed.
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* First serial device's TX attached to digital pin 2, RX to pin 3
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* Second serial device's TX attached to digital pin 4, RX to pin 5
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Note:
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Not all pins on the Mega and Mega 2560 support change interrupts,
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so only the following can be used for RX:
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10, 11, 12, 13, 50, 51, 52, 53, 62, 63, 64, 65, 66, 67, 68, 69
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Not all pins on the Leonardo support change interrupts,
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so only the following can be used for RX:
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8, 9, 10, 11, 14 (MISO), 15 (SCK), 16 (MOSI).
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created 18 Apr. 2011
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modified 25 May 2012
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by Tom Igoe
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based on Mikal Hart's twoPortRXExample
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This example code is in the public domain.
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*/
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#include <SoftwareSerial.h>
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// software serial #1: TX = digital pin 10, RX = digital pin 11
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SoftwareSerial portOne(10,11);
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// software serial #2: TX = digital pin 8, RX = digital pin 9
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// on the Mega, use other pins instead, since 8 and 9 don't work on the Mega
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SoftwareSerial portTwo(8,9);
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void setup()
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{
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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 Leonardo only
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}
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// Start each software serial port
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portOne.begin(9600);
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portTwo.begin(9600);
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}
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void loop()
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{
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// By default, the last intialized port is listening.
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// when you want to listen on a port, explicitly select it:
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portOne.listen();
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Serial.println("Data from port one:");
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// while there is data coming in, read it
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// and send to the hardware serial port:
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while (portOne.available() > 0) {
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char inByte = portOne.read();
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Serial.write(inByte);
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}
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// blank line to separate data from the two ports:
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Serial.println();
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// Now listen on the second port
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portTwo.listen();
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// while there is data coming in, read it
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// and send to the hardware serial port:
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Serial.println("Data from port two:");
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while (portTwo.available() > 0) {
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char inByte = portTwo.read();
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Serial.write(inByte);
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}
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// blank line to separate data from the two ports:
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Serial.println();
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}
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