File content as of revision 21:f87464a7e7c6:

#include "mbed.h"

class MCP23008 {
public:

    /** Constructor
     *
     * @param sda I2C sda pin
     * @param scl I2C scl pin
     * @param address The hardware address of the MCP23008. This is the 3-bit
     * value that is physically set via A0, A1, and A2.
     * @param freq The I2C frequency.
     */

     MCP23008(PinName sda, PinName scl, uint8_t address, int freq);

     /** Setup the port direction of each of the pins
     *
     */

     void init();


     /** Write to the output pins.
     *
     * This function is used to set output pins on or off.
     *
     * @param val The GPIO channels to turn on
     */

     int writeOutput(int chn1, int chn2, int chn3, int chn4);


     /** Sets I2C address
     *
     * This function is used to set the I2C address
     *
     * @param address The I2C address
     */

     void setAddress(int address);


private:
    I2C i2c;

    uint8_t addrI2C;

    uint8_t GPIO_Pin_Status;
};