Rod Coleman / AD5258

Interface to Analog devices AD5258 digital I2C potentiometer

AD5258.h@0:8920c7d857d8, 2013-11-11 (annotated)

Committer:
RodColeman
Date:
Mon Nov 11 11:00:35 2013 +0000
Revision:
0:8920c7d857d8
Child:
1:64570234d7b5
Initial untested version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RodColeman 0:8920c7d857d8 1 #include "mbed.h"
RodColeman 0:8920c7d857d8 2
RodColeman 0:8920c7d857d8 3 #ifndef MBED_AD5258_H
RodColeman 0:8920c7d857d8 4 #define MBED_AD5258_H
RodColeman 0:8920c7d857d8 5
RodColeman 0:8920c7d857d8 6 // Interface to the AD5258 I2C 6-Bit digital Potentiometer
RodColeman 0:8920c7d857d8 7
RodColeman 0:8920c7d857d8 8 class AD5258 {
RodColeman 0:8920c7d857d8 9 public:
RodColeman 0:8920c7d857d8 10 /** Create an instance of the AD5258 connected to specfied I2C pins, with the specified address.
RodColeman 0:8920c7d857d8 11 *
RodColeman 0:8920c7d857d8 12 * @param sda The I2C data pin
RodColeman 0:8920c7d857d8 13 * @param scl The I2C clock pin
RodColeman 0:8920c7d857d8 14 * @param address The I2C address for this AD5258
RodColeman 0:8920c7d857d8 15 */
RodColeman 0:8920c7d857d8 16 AD5258(PinName sda, PinName scl, int address);
RodColeman 0:8920c7d857d8 17
RodColeman 0:8920c7d857d8 18 /** Read the RDAC value
RodColeman 0:8920c7d857d8 19 *
RodColeman 0:8920c7d857d8 20 * @return The 6-bit value read
RodColeman 0:8920c7d857d8 21 */
RodColeman 0:8920c7d857d8 22 int read();
RodColeman 0:8920c7d857d8 23
RodColeman 0:8920c7d857d8 24 /** Write to the IO pins
RodColeman 0:8920c7d857d8 25 *
RodColeman 0:8920c7d857d8 26 * @param data The 6-bits value: 0x00 to 0x3F to write to the pots RDAC
RodColeman 0:8920c7d857d8 27 */
RodColeman 0:8920c7d857d8 28 void write(int data);
RodColeman 0:8920c7d857d8 29
RodColeman 0:8920c7d857d8 30 private:
RodColeman 0:8920c7d857d8 31 I2C _i2c;
RodColeman 0:8920c7d857d8 32 int _address;
RodColeman 0:8920c7d857d8 33 };
RodColeman 0:8920c7d857d8 34
RodColeman 0:8920c7d857d8 35 #endif