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:
735 bytes
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1 | // Wire Master Reader
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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 | // Reads data from an I2C/TWI slave device
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6 | // Refer to the "Wire Slave Sender" 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(); // join i2c bus (address optional for master)
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18 | Serial.begin(9600); // start serial for output
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19 | }
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20 |
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21 | void loop()
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22 | {
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23 | Wire.requestFrom(2, 6); // request 6 bytes from slave device #2
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24 |
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25 | while(Wire.available()) // slave may send less than requested
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26 | {
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27 | char c = Wire.read(); // receive a byte as character
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28 | Serial.print(c); // print the character
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29 | }
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30 |
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31 | delay(500);
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32 | }
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