Interface to Analog devices AD5258 digital I2C potentiometer

Revision:
0:8920c7d857d8
Child:
1:64570234d7b5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AD5258.h	Mon Nov 11 11:00:35 2013 +0000
@@ -0,0 +1,35 @@
+#include "mbed.h"
+ 
+#ifndef MBED_AD5258_H
+#define MBED_AD5258_H
+ 
+// Interface to the AD5258 I2C 6-Bit digital Potentiometer
+
+class AD5258 {
+public:
+    /** Create an instance of the AD5258 connected to specfied I2C pins, with the specified address.
+     *
+     * @param sda The I2C data pin
+     * @param scl The I2C clock pin
+     * @param address The I2C address for this AD5258
+     */
+    AD5258(PinName sda, PinName scl, int address);
+ 
+    /** Read the RDAC value
+     *
+     * @return The 6-bit value read
+     */
+    int read();
+    
+    /** Write to the IO pins
+     * 
+     * @param data The 6-bits value: 0x00 to 0x3F to write to the pots RDAC
+     */
+    void write(int data);
+ 
+private:
+    I2C _i2c;
+    int _address;
+};
+ 
+#endif
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