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33 lines
735 B
C++
33 lines
735 B
C++
// 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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}
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