diff options
Diffstat (limited to 'examples/master_reader')
| -rw-r--r-- | examples/master_reader/Makefile | 7 | ||||
| -rw-r--r-- | examples/master_reader/master_reader.ino | 32 |
2 files changed, 39 insertions, 0 deletions
diff --git a/examples/master_reader/Makefile b/examples/master_reader/Makefile new file mode 100644 index 0000000..8a42a8e --- /dev/null +++ b/examples/master_reader/Makefile @@ -0,0 +1,7 @@ +# Arduino Make file. Refer to https://github.com/sudar/Arduino-Makefile + +BOARD_TAG = uno +ARDUINO_LIBS = Wire + +include ../TestSuiteCommon.mk +include ../../Arduino.mk 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); +} |
