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Reference for Wiring version 0024+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Class | Wire
Name | ### send()
Examples |
    #include "TwoWire.h"

    void setup()
    {
      Wire.begin(); // join i2c bus (address optional for master)
    }

    byte x = 0;

    void loop()
    {
      Wire.beginTransmission(4); // transmit to device #4
      Wire.send("x is ");        // sends five bytes
      Wire.send(x);              // sends one byte
      Wire.endTransmission();    // stop transmitting

      x++;
      delay(500);
    }
    #include "TwoWire.h"

    void setup()
    {
      Wire.begin(2);                // join i2c bus with address #2
      Wire.onRequest(requestEvent); // register event
    }

    void loop()
    {
      delay(100);
    }

    // function that executes whenever data is requested by master
    // this function is registered as an event, see setup()
    void requestEvent()
    {
      Wire.send("hello "); // respond with message of 6 bytes
                           // as expected by master
    }
Description | The send() method sends data to a device.
Syntax |
    Wire.send()
    Wire.send(bytes[], quantity)
    Wire.send(chars[])
Parameters |
bytes | An array of bytes
quantity | The number of bytes to be send
chars | An array of chars
Wire | The hardware TWI port
Usage | Application

Updated on November 01, 2009 09:14:04am PST