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Diffstat (limited to 'arduino-cmake/example/wire_master_reader.cpp')
-rw-r--r-- | arduino-cmake/example/wire_master_reader.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arduino-cmake/example/wire_master_reader.cpp b/arduino-cmake/example/wire_master_reader.cpp new file mode 100644 index 0000000..9c755db --- /dev/null +++ b/arduino-cmake/example/wire_master_reader.cpp @@ -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 <Arduino.h> +#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); +} |