root / arduino-1.0 / libraries / Wire / examples / master_reader / master_reader.ino @ 58d82c77
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// Wire Master Reader |
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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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// Reads data from an I2C/TWI slave device |
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// Refer to the "Wire Slave Sender" 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(); // join i2c bus (address optional for master) |
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Serial.begin(9600); // start serial for output |
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} |
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void loop() |
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{ |
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Wire.requestFrom(2, 6); // request 6 bytes from slave device #2 |
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while(Wire.available()) // slave may send less than requested |
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{ |
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char c = Wire.read(); // receive a byte as character |
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Serial.print(c); // print the character |
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} |
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delay(500); |
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} |