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digistump-sam/libraries/Wire/examples/master_reader/master_reader.pde

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+// 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);
+}