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 |
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Name | onReceive() |
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Examples | #include "TwoWire.h" void setup() { Wire.begin(4); // join i2c bus with address #4 Wire.onReceive(receiveEvent); // register event Serial.begin(9600); // start serial for output } void loop() { delay(100); } // function that executes whenever data is received from master // this function is registered as an event, see setup() void receiveEvent(int howMany) { while(1 < Wire.available()) // loop through all but the last { char c = Wire.receive(); // receive byte as a character Serial.print(c); // print the character } int x = Wire.receive(); // receive byte as an integer Serial.println(x); // print the integer } |
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Description | The onReceive() method set the function that executes whenever data is received as a slave device. Every time a master writes to this device the specified function is executed. | ||||
Syntax | Wire.onReceive(function) |
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Parameters |
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Returns | None | ||||
Usage | Application |