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/*------------------------------------------------------------------------------ -- This file is a part of the LPPMON Software
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-- Copyright (C) 2013, Laboratory of Plasmas Physic - CNRS
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-------------------------------------------------------------------------------*/
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/*-- Author : Alexis Jeandet
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-- Mail : alexis.jeandet@member.fsf.org
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----------------------------------------------------------------------------*/
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#include "APBUARTPLUGIN.h"
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#include <socexplorerengine.h>
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ApbUartPlugin::ApbUartPlugin(QWidget *parent):socexplorerplugin(parent)
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{
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this->UI = new ApbUartPluginUi();
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this->setWindowTitle(tr("APBUART"));
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this->setWidget((QWidget*)this->UI);
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this->useLoopBack = false;
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connect(this->UI,SIGNAL(loopbackChkBxStateChanged(int)),this,SLOT(loopbackChangeState(int)));
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connect(this,SIGNAL(apbUartTextReceived(QString)),this->UI,SIGNAL(apbUartTextReceived(QString)));
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connect(&this->loopBackTimer,SIGNAL(timeout()),this,SLOT(uartReadout()));
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}
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ApbUartPlugin::~ApbUartPlugin()
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{
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}
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void ApbUartPlugin::closeMe()
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{
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emit this->closePlugin(this);
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}
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void ApbUartPlugin::postInstantiationTrigger()
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{
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if(this->isEnabled())
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{
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this->setBaseAddress(SocExplorerEngine::self()->getEnumDeviceBaseAddress(this,this->VID(),this->PID(),0));
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loopbackChangeState(Qt::Checked);
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}
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}
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void ApbUartPlugin::loopbackChangeState(int state)
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{
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if(state==Qt::Checked)
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{
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enableLoopback();
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}
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else
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{
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disableLoopback();
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}
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}
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void ApbUartPlugin::uartReadout()
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{
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if(this->isEnabled() && parent!=NULL)
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{
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if(this->useLoopBack)
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{
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if(this->baseAddress()!=-1)
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{
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unsigned int status_reg,data;
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char ch;
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QString printdata="";
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parent->Read(&status_reg,1,this->baseAddress()+APB_UART_STATUS_REG);
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while ((status_reg&4)==0) {
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parent->Read(&data,1,this->baseAddress()+APB_UART_FIFO_DEBUG_REG);
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ch = (char)(0xff & data);
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printdata+=ch;
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parent->Read(&status_reg,1,this->baseAddress()+APB_UART_STATUS_REG);
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}
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if(printdata!="")
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emit apbUartTextReceived(printdata);
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}
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else
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{
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this->setBaseAddress(SocExplorerEngine::self()->getEnumDeviceBaseAddress(this,this->VID(),this->PID(),0));
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this->enableLoopback();
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}
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}
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}
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}
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void ApbUartPlugin::activate(bool flag)
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{
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this->setEnabled(flag);
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emit this->activateSig(flag);
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if(this->isEnabled())
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{this->setBaseAddress(SocExplorerEngine::self()->getEnumDeviceBaseAddress(this,this->VID(),this->PID(),0));
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loopbackChangeState(Qt::Checked);
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}
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}
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void ApbUartPlugin::activateScan(bool flag)
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{
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if(flag)
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this->loopBackTimer.start(100);
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else
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this->loopBackTimer.stop();
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}
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int ApbUartPlugin::enableLoopback()
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{
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this->useLoopBack = true;
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this->loopBackTimer.start(100);
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SocExplorerEngine::message(this,"Set FiFo debug mode mode");
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if(parent==NULL)
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{
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SocExplorerEngine::message(this,"Can't set FiFo debug mode no parent driver accessible");
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return -1;
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}
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if(this->baseAddress()==-1)
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{
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this->setBaseAddress(SocExplorerEngine::self()->getEnumDeviceBaseAddress(this,this->VID(),this->PID(),0));
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if(this->baseAddress()==-1)
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return -1;
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}
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unsigned int ctrl_reg= 0x843;
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parent->Write(&ctrl_reg,1,this->baseAddress()+APB_UART_CONTROL_REG);
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return 0;
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}
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int ApbUartPlugin::disableLoopback()
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{
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SocExplorerEngine::message(this,"Disable FiFo debug mode mode");
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if(parent==NULL)
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{
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SocExplorerEngine::message(this,"Can't disable FiFo debug mode no parent driver accessible");
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return -1;
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}
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if(this->baseAddress()==-1)
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{
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this->setBaseAddress(SocExplorerEngine::self()->getEnumDeviceBaseAddress(this,this->VID(),this->PID(),0));
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if(this->baseAddress()==-1)
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return -1;
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}
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unsigned int ctrl_reg;
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this->loopBackTimer.stop();
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/* Firts get Control reg value*/
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parent->Read(&ctrl_reg,1,this->baseAddress()+APB_UART_CONTROL_REG);
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ctrl_reg = ctrl_reg & (~(1<<11));
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parent->Write(&ctrl_reg,1,this->baseAddress()+APB_UART_CONTROL_REG);
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this->useLoopBack = false;
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return 0;
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}
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unsigned int ApbUartPlugin::Read(unsigned int *Value,unsigned int count,unsigned int address)
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{
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if(parent!=NULL)
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return parent->Read(Value,count,address);
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return 0;
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}
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unsigned int ApbUartPlugin::Write(unsigned int *Value,unsigned int count, unsigned int address)
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{
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if(parent!=NULL)
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return parent->Write(Value,count,address);
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return 0;
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}
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