/*
 * Copyright (c) 2014 by Bertrand VANDEPORTAELE <bvdp@free.fr>
 * TLV5637 library for arduino.
 *
 * This file is free software; you can redistribute it and/or modify
 * it under the terms of either the GNU General Public License version 2
 * or the GNU Lesser General Public License version 2.1, both as
 * published by the Free Software Foundation.
 */
// For details on the sensor, see:
// www.ti.com/cn/lit/gpn/tlv5637
#ifndef _TLV5637_H_INCLUDED
#define _TLV5637_H_INCLUDED
#include <stdio.h>
#include <Arduino.h>
#include <avr/pgmspace.h>
// the sensor communicates using SPI, so include the library:
#include <SPI.h>
#define REF_EXTERNAL_TLV5637 0
#define REF_1024MV_TLV5637 1
#define REF_2048MV_TLV5637 2
class TLV5637  {
public:
    TLV5637(uint8_t PIN_CS_init,uint8_t REF_init);
    void powerOn(); //this method should be called before any other in order to initialize the SPI bus
    void powerOff();
    void speedFast();
    void speedSlow();
    void setRef(uint8_t REF_init);
    void writeDACA(uint16_t Value); //also update DACB with value in the buffer
    void writeDACB(uint16_t Value);  //also update buffer value
    void writeDACAB(uint16_t ValueA,uint16_t ValueB);
private:
    void writetlv5637(uint8_t R, uint16_t  Value);
    uint8_t SPD;
    uint8_t PWR;
    uint8_t REF;
    uint8_t PIN_CS;
};
#endif