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#include <SoftwareSerial.h>
SoftwareSerial ss(2, 3);
SoftwareSerial ss2(4, 5);
/* This sample shows how to correctly process received data
on two different "soft" serial ports. Here we listen on
the first port (ss) until we receive a '?' character. Then
we begin listening on the other soft port.
*/
void setup()
{
// Start the HW serial port
Serial.begin(57600);
// Start each soft serial port
ss.begin(4800);
ss2.begin(4800);
// By default, the most recently "begun" port is listening.
// We want to listen on ss, so let's explicitly select it.
ss.listen();
// Simply wait for a ? character to come down the pipe
Serial.println("Data from the first port: ");
char c = 0;
do
if (ss.available())
{
c = (char)ss.read();
Serial.print(c);
}
while (c != '?');
// Now listen on the second port
ss2.listen();
Serial.println("Data from the second port: ");
}
void loop()
{
if (ss2.available())
{
char c = (char)ss2.read();
Serial.print(c);
}
}
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