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// ============================================================================
//
// = CONTEXT
// TANGO Project - Keithley Electrometer Support Library
//
// = FILENAME
// TangoGpibLink.cpp
//
// = AUTHOR
// X. Elattaoui
//
// ============================================================================
// ============================================================================
// DEPENDENCIES
// ============================================================================
#include <string>
#include <iostream>
#include "TangoGpibLink.h"
// ============================================================================
// TangoGpibLink::TangoGpibLink
// ============================================================================
TangoGpibLink::TangoGpibLink (std::string& gpib_device_name)
: CommunicationLink(gpib_device_name),
_gpib_proxy (0),
_is_gpib_proxy_created (false)
{
std::cout << "TangoGpibLink::TangoGpibLink <-" << std::endl;
response.erase();
std::cout << "TangoGpibLink::TangoGpibLink ->" << std::endl;
}
// ============================================================================
// TangoGpibLink::~TangoGpibLink
// ============================================================================
TangoGpibLink::~TangoGpibLink (void)
{
std::cout << "TangoGpibLink::~TangoGpibLink <-" << std::endl;
if(_is_gpib_proxy_created)
{
delete _gpib_proxy;
_gpib_proxy = 0;
_is_gpib_proxy_created = false;
}
std::cout << "TangoGpibLink::~TangoGpibLink ->" << std::endl;
}
// ============================================================================
// TangoGpibLink::create_gpib_proxy
// ============================================================================
void TangoGpibLink::create_gpib_proxy (void) throw (Tango::DevFailed)
{
TangoSys_OMemStream description;
try
{
//- try
this->_gpib_proxy = new Tango::DeviceProxyHelper(_communication_Device_name);
_is_gpib_proxy_created = true;
}
catch(Tango::DevFailed& df )
{
description << "Unable to create proxy on : " << _communication_Device_name << ends;
_is_gpib_proxy_created = false;
Tango::Except::re_throw_exception (df,
(const char*)"COMMUNICATION_ERROR",
description.str(),
(const char*)"TangoGpibLink::create_gpib_proxy");
}
}
// ============================================================================
// TangoGpibLink::write
// ============================================================================
void TangoGpibLink::write (std::string command_to_send) throw (Tango::DevFailed)
{
TangoSys_OMemStream description;
if(!_is_gpib_proxy_created)
create_gpib_proxy();
try
{
//- try
this->_gpib_proxy->command_in("Write", command_to_send);
}
catch(Tango::DevFailed& df )
{
description << "Unable to write command : " << command_to_send << ends;
Tango::Except::re_throw_exception (df,
(const char*)"COMMUNICATION_ERROR",
description.str(),
(const char*)"TangoGpibLink::write");
}
}
// ============================================================================
// TangoGpibLink::read
// ============================================================================
std::string TangoGpibLink::read (void) throw (Tango::DevFailed)
{
if(!_is_gpib_proxy_created)
create_gpib_proxy();
try
{
//- try
this->_gpib_proxy->command_out("Read", this->response);
}
catch(Tango::DevFailed& df )
{
Tango::Except::re_throw_exception (df,
(const char*)"COMMUNICATION_ERROR",
(const char*)"Unable to perform a read operation",
(const char*)"TangoGpibLink::read");
}
return this->response ;
}
// ============================================================================
// TangoGpibLink::write_read
// ============================================================================
std::string TangoGpibLink::write_read (std::string command_to_send) throw (Tango::DevFailed)
{
TangoSys_OMemStream description;
if(!_is_gpib_proxy_created)
create_gpib_proxy();
try
{
//- try
this->_gpib_proxy->command_inout("WriteRead", command_to_send, response);
return this->response;
}
catch(Tango::DevFailed& df )
{
description << "Unable to write command : " << command_to_send << " and read device response." << ends;
Tango::Except::re_throw_exception (df,
(const char*)"COMMUNICATION_ERROR",
description.str(),
(const char*)"TangoGpibLink::write_read");
}
}