root / arduino-1.0 / libraries / Wire / examples / slave_sender / slave_sender.ino @ 58d82c77
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// Wire Slave Sender |
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// by Nicholas Zambetti <http://www.zambetti.com> |
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// Demonstrates use of the Wire library |
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// Sends data as an I2C/TWI slave device |
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// Refer to the "Wire Master Reader" example for use with this |
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// Created 29 March 2006 |
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// This example code is in the public domain. |
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#include <Wire.h> |
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void setup() |
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{ |
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Wire.begin(2); // join i2c bus with address #2 |
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Wire.onRequest(requestEvent); // register event |
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} |
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void loop() |
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{ |
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delay(100); |
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} |
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// function that executes whenever data is requested by master |
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// this function is registered as an event, see setup() |
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void requestEvent() |
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{ |
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Wire.write("hello "); // respond with message of 6 bytes |
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// as expected by master |
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} |