diff options
author | Cristian Maglie <c.maglie@bug.st> | 2013-11-14 19:49:10 +0100 |
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committer | Cristian Maglie <c.maglie@bug.st> | 2013-11-15 12:54:59 +0100 |
commit | f0fa1fd39a6beef4e4fc4ad04b03033b8c16e4ba (patch) | |
tree | 16d6555a6896a39665180ebc69eea546d105d72d /libraries/Wire/examples/digital_potentiometer/digital_potentiometer.ino | |
parent | 2dd6b14b2126fcf265caac31de3bc31abb079451 (diff) |
Revert "Wire library to the 1.5 format"
This reverts commit a31857688bdc270ed65307755ff3b73ef4867982.
Diffstat (limited to 'libraries/Wire/examples/digital_potentiometer/digital_potentiometer.ino')
-rw-r--r-- | libraries/Wire/examples/digital_potentiometer/digital_potentiometer.ino | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libraries/Wire/examples/digital_potentiometer/digital_potentiometer.ino b/libraries/Wire/examples/digital_potentiometer/digital_potentiometer.ino new file mode 100644 index 0000000..4d1580a --- /dev/null +++ b/libraries/Wire/examples/digital_potentiometer/digital_potentiometer.ino @@ -0,0 +1,39 @@ +// I2C Digital Potentiometer +// by Nicholas Zambetti <http://www.zambetti.com> +// and Shawn Bonkowski <http://people.interaction-ivrea.it/s.bonkowski/> + +// Demonstrates use of the Wire library +// Controls AD5171 digital potentiometer via I2C/TWI + +// Created 31 March 2006 + +// This example code is in the public domain. + +// This example code is in the public domain. + + +#include <Wire.h> + +void setup() +{ + Wire.begin(); // join i2c bus (address optional for master) +} + +byte val = 0; + +void loop() +{ + Wire.beginTransmission(44); // transmit to device #44 (0x2c) + // device address is specified in datasheet + Wire.write(byte(0x00)); // sends instruction byte + Wire.write(val); // sends potentiometer value byte + Wire.endTransmission(); // stop transmitting + + val++; // increment value + if (val == 64) // if reached 64th position (max) + { + val = 0; // start over from lowest value + } + delay(500); +} + |