diff options
| author | Martin Oldfield <m@mjo.tc> | 2012-02-28 09:06:56 +0000 |
|---|---|---|
| committer | Martin Oldfield <m@mjo.tc> | 2012-02-28 09:06:56 +0000 |
| commit | c0e6db4dab5134ea0f3d6fe96c13baaab0b239ac (patch) | |
| tree | 7ee460c44f1c7ad1aa5363a7d683960852e6a77e /examples/master_reader/master_reader.ino | |
Initial NWO check in
Diffstat (limited to 'examples/master_reader/master_reader.ino')
| -rw-r--r-- | examples/master_reader/master_reader.ino | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/examples/master_reader/master_reader.ino b/examples/master_reader/master_reader.ino new file mode 100644 index 0000000..4124d7d --- /dev/null +++ b/examples/master_reader/master_reader.ino @@ -0,0 +1,32 @@ +// Wire Master Reader +// by Nicholas Zambetti <http://www.zambetti.com> + +// Demonstrates use of the Wire library +// Reads data from an I2C/TWI slave device +// Refer to the "Wire Slave Sender" example for use with this + +// Created 29 March 2006 + +// This example code is in the public domain. + + +#include <Wire.h> + +void setup() +{ + Wire.begin(); // join i2c bus (address optional for master) + Serial.begin(9600); // start serial for output +} + +void loop() +{ + Wire.requestFrom(2, 6); // request 6 bytes from slave device #2 + + while(Wire.available()) // slave may send less than requested + { + char c = Wire.read(); // receive a byte as character + Serial.print(c); // print the character + } + + delay(500); +} |
