Last change
on this file since 136 was 136, checked in by ertl-honda, 8 years ago |
ライブラリとOS及びベーシックなサンプルの追加.
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File size:
978 bytes
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1 | // Wire Slave Receiver
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2 | // by Nicholas Zambetti <http://www.zambetti.com>
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3 |
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4 | // Demonstrates use of the Wire library
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5 | // Receives data as an I2C/TWI slave device
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6 | // Refer to the "Wire Master Writer" example for use with this
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7 |
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8 | // Created 29 March 2006
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9 |
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10 | // This example code is in the public domain.
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11 |
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12 |
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13 | #include <Wire.h>
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14 |
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15 | void setup()
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16 | {
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17 | Wire.begin(4); // join i2c bus with address #4
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18 | Wire.onReceive(receiveEvent); // register event
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19 | Serial.begin(9600); // start serial for output
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20 | }
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21 |
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22 | void loop()
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23 | {
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24 | delay(100);
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25 | }
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26 |
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27 | // function that executes whenever data is received from master
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28 | // this function is registered as an event, see setup()
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29 | void receiveEvent(int howMany)
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30 | {
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31 | while(1 < Wire.available()) // loop through all but the last
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32 | {
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33 | char c = Wire.read(); // receive byte as a character
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34 | Serial.print(c); // print the character
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35 | }
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36 | int x = Wire.read(); // receive byte as an integer
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37 | Serial.println(x); // print the integer
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38 | }
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