Wire \ Libraries \ Wiring 1.0 (ALPHA)

| Index

| Reference for Wiring 1.0 (ALPHA) 0017+. 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.

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
Returns |  |
Usage |  | Application