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 |
|
||||||||
Usage | Application |