Last change
on this file since 136 was 136, checked in by ertl-honda, 9 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:
723 bytes
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[136] | 1 | // Wire Slave Sender
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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 | // Sends data as an I2C/TWI slave device
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| 6 | // Refer to the "Wire Master Reader" 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(2); // join i2c bus with address #2
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| 18 | Wire.onRequest(requestEvent); // register event
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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 | delay(100);
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| 24 | }
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| 25 |
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| 26 | // function that executes whenever data is requested by master
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| 27 | // this function is registered as an event, see setup()
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| 28 | void requestEvent()
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| 29 | {
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| 30 | Wire.write("hello "); // respond with message of 6 bytes
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| 31 | // as expected by master
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| 32 | }
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