Register.cpp

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// $Id: $
// Include files 


// local
#include "Register.h"
#include "Interface.h"

//-----------------------------------------------------------------------------
// Implementation file for class : Register
//
// 2006-10-23 : 
//-----------------------------------------------------------------------------

//=============================================================================
// Standard constructor, initializes variables
//=============================================================================
Register::Register(  ) {
  setName("Register");
  setType("Register");
}
//=============================================================================
// Destructor
//=============================================================================
Register::~Register() {

}

//=============================================================================
// Change a bit of a register
//=============================================================================
StatusCode Register::setBit(unsigned int bit, bool val){
  if (read().isFailure()){
    error("Cannot read register "+name(),"Register::setBit");
    return StatusCode::FAILURE;
  }
  unsigned int data;
  if (IOdata::Byte==io()->wordSize()&&0!=io()->dataU8()&&bit<8){
    data=io()->dataU8()[0];
    if (val) data |= (1 << bit);
    else     data &= ~(1 << bit);
    io()->setU8(0,data);
  }
  if (IOdata::Word==io()->wordSize()&&0!=io()->dataU16()&&bit<16){
    data=io()->dataU16()[0];
    if (val) data |= (1 << bit);
    else     data &= ~(1 << bit);
    io()->setU16(0,data);
  }
  if (IOdata::DWord==io()->wordSize()&&0!=io()->dataU32()&&bit<32){
    data=io()->dataU32()[0];
    if (val) data |= (1 << bit);
    else     data &= ~(1 << bit);
    io()->setU32(0,data);
  }
  if (write().isFailure()){
    error("Cannot write register "+name(),"Register::setBit");
    return StatusCode::FAILURE;
  }
  return StatusCode::SUCCESS;
}

//=============================================================================
// Change a bit of a register
//=============================================================================
bool Register::getBit(unsigned int bit){
  if (read().isFailure()){
    error("Cannot read register "+name(),"Register::setBit");
    return StatusCode::FAILURE;
  }
  unsigned int data;
  if (IOdata::Byte==io()->wordSize()&&0!=io()->dataU8()&&bit<8){
    data=io()->dataU8()[0];
    return (data >>bit )& 1 ;
  }
  if (IOdata::Word==io()->wordSize()&&0!=io()->dataU16()&&bit<16){
    data=io()->dataU16()[0];
    return (data >>bit )& 1 ;
  }
  if (IOdata::DWord==io()->wordSize()&&0!=io()->dataU32()&&bit<32){
    data=io()->dataU32()[0];
    return (data >>bit )& 1 ;
  }
  if (write().isFailure()){
    error("Cannot write register "+name(),"Register::setBit");
    return StatusCode::FAILURE;
  }
  return StatusCode::SUCCESS;
}

//=============================================================================