/**************************************************************************/
/*!
  @file     Arduino_BQ25703A.cpp
  @author   Lorro


  Library for basic interfacing with BQ25703A battery management IC from TI
*/
/**************************************************************************/
#include "Arduino.h"

#include <Wire.h>

#include "Lorro_BQ25703A.h"

// Prints a binary number with leading zeros (Automatic Handling)
#define PRINTBIN(Num) for (uint32_t t = (1UL<< ((sizeof(Num)*8)-1)); t; t >>= 1) Serial.write(Num  & t ? '1' : '0');

//Create instance of data structure
Lorro_BQ25703A::Regt BQ25703Areg;

Lorro_BQ25703A::Lorro_BQ25703A(){

  Wire.begin();

}

//I2C functions below here
//------------------------------------------------------------------------

boolean Lorro_BQ25703A::readDataReg( const byte regAddress, byte *dataVal, const uint8_t arrLen ){

  Wire.beginTransmission( BQ25703Aaddr );
  Wire.write( regAddress );
  byte ack = Wire.endTransmission();
  if( ack == 0 ){
    Wire.requestFrom( ( int )BQ25703Aaddr , ( int )( arrLen + 1 ) );
    if( Wire.available() > 0 ){
      for( uint8_t i = 0; i < arrLen; i++ ){
        dataVal[ i ] = Wire.read();
      }
    }
    return true;
  }else{
    return false; //if I2C comm fails
  }
}

boolean Lorro_BQ25703A::writeDataReg( const byte regAddress, byte dataVal0, byte dataVal1 ){

  Wire.beginTransmission( BQ25703Aaddr );
  Wire.write( regAddress );
  Wire.write( dataVal0 );
  Wire.write( dataVal1 );
  byte ack = Wire.endTransmission();
  if( ack == 0 ){
    return true;
  }else{
    return false; //if I2C comm fails
  }

}

// boolean Lorro_BQ25703A::read2ByteReg( byte regAddress, byte *val0, byte *val1 ){
//
//   Wire.beginTransmission( BQ25703Aaddr );
//   Wire.write( regAddress );
//   byte ack = Wire.endTransmission();
//   if( ack == 0 ){
//     Wire.requestFrom( ( int )BQ25703Aaddr , 2 );
//     if( Wire.available() > 0 ){
//       val0 = Wire.receive();
//       val0 = Wire.receive();
//     }
//     return true;
//   }else{
//     return false; //if I2C comm fails
//   }
// }