Files
motorBase/motorApp/PIGCS2Src/PIGCS2_HexapodController.cpp
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2014-12-12 21:05:03 +00:00

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2.4 KiB
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/*
FILENAME... PIHexapodController.cpp
*************************************************************************
* Copyright (c) 2011-2013 Physik Instrumente (PI) GmbH & Co. KG
* This file is distributed subject to the EPICS Open License Agreement
* found in the file LICENSE that is included with this distribution.
*************************************************************************
Version: $Revision: 1$
Modified By: $Author: Steffen Rau$
Last Modified: $Date: 05.11.2013 17:38:06$
HeadURL: $URL$
Original Author: Steffen Rau
*/
#include "PIGCS2_HexapodController.h"
#include "PIasynAxis.h"
#include "PIInterface.h"
#include <stdlib.h>
#include <math.h>
#include <epicsThread.h>
//#undef asynPrint
//#define asynPrint(user,reason,format...) 0
/**
* get velocity of axis in physical units (EGU) as defined on the controller
* and set PIasynAxis::m_velocity
* For GCS2 Hexapods this is the platform velocity read with VLS
*/
asynStatus PIGCS2_HexapodController::getAxisVelocity(PIasynAxis* pAxis)
{
char buf[255];
asynStatus status = m_pInterface->sendAndReceive("VLS?", buf, 99);
if (status != asynSuccess)
{
return status;
}
if (!getValue(buf, pAxis->m_velocity))
{
status = asynError;
}
return status;
}
asynStatus PIGCS2_HexapodController::setVelocityCts( PIasynAxis* pAxis, double velocity )
{
char cmd[100];
velocity = fabs(velocity) * pAxis->m_CPUdenominator / pAxis->m_CPUnumerator;
sprintf(cmd,"VLS %f", velocity);
asynStatus status = m_pInterface->sendOnly(cmd);
if (asynSuccess == status)
{
pAxis->m_velocity = velocity;
}
return status;
}
asynStatus PIGCS2_HexapodController::referenceVelCts( PIasynAxis* pAxis, double velocity, int forwards)
{
asynStatus status = setServo(pAxis, 1);
if (asynSuccess != status)
return status;
// velocity is ignored!
char cmd[100];
sprintf(cmd,"FRF %s", pAxis->m_szAxisName);
status = m_pInterface->sendOnly(cmd);
if (asynSuccess != status)
return status;
int errorCode = getGCSError();
if (errorCode == 0)
{
return asynSuccess;
}
asynPrint(m_pInterface->m_pCurrentLogSink, ASYN_TRACE_ERROR,
"PIGCS2_HexapodController::referenceVelCts() failed\n");
epicsSnprintf(pAxis->m_pasynUser->errorMessage,pAxis->m_pasynUser->errorMessageSize,
"PIGCS2_HexapodController::referenceVelCts() failed - GCS Error %d\n",errorCode);
return asynError;
}