diff options
Diffstat (limited to 'libraries/SoftwareSerial/examples/TwoPortReceive')
| -rw-r--r-- | libraries/SoftwareSerial/examples/TwoPortReceive/TwoPortReceive.ino | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/libraries/SoftwareSerial/examples/TwoPortReceive/TwoPortReceive.ino b/libraries/SoftwareSerial/examples/TwoPortReceive/TwoPortReceive.ino index e870c6f..d607ee6 100644 --- a/libraries/SoftwareSerial/examples/TwoPortReceive/TwoPortReceive.ino +++ b/libraries/SoftwareSerial/examples/TwoPortReceive/TwoPortReceive.ino @@ -16,7 +16,17 @@ * First serial device's TX attached to digital pin 2, RX to pin 3 * Second serial device's TX attached to digital pin 4, RX to pin 5 + Note: + Not all pins on the Mega and Mega 2560 support change interrupts, + so only the following can be used for RX: + 10, 11, 12, 13, 50, 51, 52, 53, 62, 63, 64, 65, 66, 67, 68, 69 + + Not all pins on the Leonardo support change interrupts, + so only the following can be used for RX: + 8, 9, 10, 11, 14 (MISO), 15 (SCK), 16 (MOSI). + created 18 Apr. 2011 + modified 25 May 2012 by Tom Igoe based on Mikal Hart's twoPortRXExample @@ -25,16 +35,21 @@ */ #include <SoftwareSerial.h> -// software serial #1: TX = digital pin 2, RX = digital pin 3 -SoftwareSerial portOne(2, 3); +// software serial #1: TX = digital pin 10, RX = digital pin 11 +SoftwareSerial portOne(10,11); -// software serial #2: TX = digital pin 4, RX = digital pin 5 -SoftwareSerial portTwo(4, 5); +// software serial #2: TX = digital pin 8, RX = digital pin 9 +// on the Mega, use other pins instead, since 8 and 9 don't work on the Mega +SoftwareSerial portTwo(8,9); void setup() { - // Start the hardware serial port + // Open serial communications and wait for port to open: Serial.begin(9600); + while (!Serial) { + ; // wait for serial port to connect. Needed for Leonardo only + } + // Start each software serial port portOne.begin(9600); |