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| author | Sudar <sudar@sudarmuthu.com> | 2014-09-10 11:00:34 +0530 |
|---|---|---|
| committer | Sudar <sudar@sudarmuthu.com> | 2014-09-10 11:00:34 +0530 |
| commit | fe00b04a0e1a58f63ae134081d2d896f27ac3f2d (patch) | |
| tree | 632698c837a0828541dde6acb72fd10f6cb1b7ec /tests/master_reader/master_reader.ino | |
| parent | e30bb5c28a42152007d70325477f364605b73f34 (diff) | |
| parent | 48356f96ce05948a046d0732dedda66b3e0b69c8 (diff) | |
Merge pull request #254 from peplin/test-suite-and-ci
Add an automated test runner for example programs and Travis CI integration
Diffstat (limited to 'tests/master_reader/master_reader.ino')
| -rw-r--r-- | tests/master_reader/master_reader.ino | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/master_reader/master_reader.ino b/tests/master_reader/master_reader.ino new file mode 100644 index 0000000..4124d7d --- /dev/null +++ b/tests/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); +} |
