source: rtos_arduino/trunk/arduino_lib/libraries/LuckyShield/src/lib/CAT9555.h@ 175

/*
****************************************************************************
* This file is part of Arduino Lucky Shield Library
*
* Copyright (c) 2016 Arduino srl. All right reserved.
*
* File : CAT9555.h
* Date : 2016/03/21
* Revision : 0.0.1 $
* Author: andrea[at]arduino[dot]org
*
****************************************************************************

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

******************************************************************************/

#ifndef CAT9555_h
#define CAT9555_h

#include <Arduino.h>

///////////////////////////////////
// CAT9555 Register Definitions  //
///////////////////////////////////

#define INPUT_PORT0                             (uint8_t)0x00
#define INPUT_PORT1                             (uint8_t)0x01
#define OUTPUT_PORT0                    (uint8_t)0x02
#define OUTPUT_PORT1                    (uint8_t)0x03
#define POLARITY_PORT0          (uint8_t)0x04
#define POLARITY_PORT1          (uint8_t)0x05
#define CONFIG_PORT0                    (uint8_t)0x06
#define CONFIG_PORT1                    (uint8_t)0x07
#define ADDRESS                                   (uint8_t)0x20

///////////////////////////////////
// CAT9555 PIN Definitions  //
///////////////////////////////////

#define PIR             (uint16_t)0x800   //reg0
#define LED1            (uint16_t)0x1000        //reg0
#define LED2            (uint16_t)0x2000        //reg0
#define REL1            (uint16_t)0x4000        //reg0
#define REL2            (uint16_t)0x8000        //reg0
#define ACC                     (uint16_t)0x0100        //reg0
#define JOYL            (uint8_t)0X04       //reg1
#define JOYR            (uint8_t)0X08       //reg1
#define JOYU            (uint8_t)0X01       //reg1
#define JOYD            (uint8_t)0X02       //reg1
#define JOYC            (uint8_t)0X10       //reg1
#define PB1                     (uint8_t)0x20     //reg1 
#define PB2             (uint8_t)0x40     //reg1
#define OLEDR           (uint8_t)0x80       //reg1

////////////////////////////////
// CAT9555 Class Declaration  //
////////////////////////////////
class CAT9555
{
public: 
        CAT9555(uint8_t addr = ADDRESS);
        void begin();
        int digitalRead(int pin);
        void digitalWrite(int pin, int value);

private:
        byte address;
        void writeRegister(int reg, int data);
        uint8_t read_8_Register(int reg);
        uint16_t read_16_Register(int reg);
};

extern CAT9555 cat9555;

#endif