arduino-0018-linux-x64

arduino-0018-linux-x64/libraries/Wire/examples/slave_receiver/slave_receiver.pde

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+// Wire Slave Receiver
+// by Nicholas Zambetti <http://www.zambetti.com>
+
+// Demonstrates use of the Wire library
+// Receives data as an I2C/TWI slave device
+// Refer to the "Wire Master Writer" example for use with this
+
+// Created 29 March 2006
+
+#include <Wire.h>
+
+void setup()
+{
+  Wire.begin(4);                // join i2c bus with address #4
+  Wire.onReceive(receiveEvent); // register event
+  Serial.begin(9600);           // start serial for output
+}
+
+void loop()
+{
+  delay(100);
+}
+
+// function that executes whenever data is received from master
+// this function is registered as an event, see setup()
+void receiveEvent(int howMany)
+{
+  while(1 < Wire.available()) // loop through all but the last
+  {
+    char c = Wire.receive(); // receive byte as a character
+    Serial.print(c);         // print the character
+  }
+  int x = Wire.receive();    // receive byte as an integer
+  Serial.println(x);         // print the integer
+}