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Removed APBUartPlugin bug (when switching between debug and non debug link)....
Removed APBUartPlugin bug (when switching between debug and non debug link). Added APBUart Python wrapper.

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r34:ccd56e93ef09 default
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uartpollingthread.cpp
222 lines | 7.2 KiB | text/x-c | CppLexer
/*------------------------------------------------------------------------------
-- This file is a part of the SocExplorer Software
-- Copyright (C) 2014, Plasma Physics Laboratory - CNRS
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-------------------------------------------------------------------------------*/
/*-- Author : Alexis Jeandet
-- Mail : alexis.jeandet@member.fsf.org
----------------------------------------------------------------------------*/
#include "uartpollingthread.h"
#include <socexplorerengine.h>
UARTPollingThread::UARTPollingThread(socexplorerplugin *parent) :
QThread((QObject*)parent)
{
this->plugin = parent;
uartMutex = new QMutex();
uartOpened = false;
fifoDebugConfigured = false;
p_fifoDebugEnabled = false;
this->moveToThread(this);
}
UARTPollingThread::~UARTPollingThread()
{
this->requestInterruption();
while(isRunning());
}
void UARTPollingThread::run()
{
char ch[4097];
int timeout =10;
SocExplorerEngine::message(this->plugin,"Entering APB UART polling thread",3);
while (!this->isInterruptionRequested())
{
if(p_fifoDebugEnabled)
{
if(fifoDebugConfigured)
{
if(this->plugin->baseAddress()!=-1)
{
unsigned int status_reg,data;
char ch;
QString printdata="";
plugin->parent->Read(&status_reg,1,this->plugin->baseAddress()+APB_UART_STATUS_REG);
while ((status_reg & 4)==0) {
plugin->parent->Read(&data,1,this->plugin->baseAddress()+APB_UART_FIFO_DEBUG_REG);
ch = (char)(0xff & data);
printdata+=ch;
plugin->parent->Read(&status_reg,1,this->plugin->baseAddress()+APB_UART_STATUS_REG);
}
if(printdata!="")
emit apbUartTextReceived(printdata);
}
else
{
this->plugin->setBaseAddress(SocExplorerEngine::self()->getEnumDeviceBaseAddress(this->plugin,this->plugin->VID(),this->plugin->PID(),0));
}
}
else
{
configFifoDebug(true);
}
}
else
{
int read =0,avail=0;
uartMutex->lock();
if(uartOpened)
{
avail = rs232availablebytes(this->uart);
SocExplorerEngine::message(this->plugin,QString("%1 available bytes on uart").arg(read),3);
if(avail)
{
if(avail>=4096)
{
read = rs232read(this->uart,ch,4096);
timeout = 0;
}
else
{
read = rs232read(this->uart,ch,avail);
timeout = 10;
}
SocExplorerEngine::message(this->plugin,QString("Read %1 bytes on uart").arg(read),3);
ch[read]='\0';
}
}
uartMutex->unlock();
if(read>=1)
{
SocExplorerEngine::message(this->plugin,QString("Received %1 char(s) from APBUART").arg(read),3);
emit this->apbUartTextReceived(QString(ch));
}
msleep(timeout);
}
}
}
void UARTPollingThread::sendChar(char c)
{
if(p_fifoDebugEnabled)
{
if(this->plugin->baseAddress()!=-1)
{
unsigned int i=0x0FF & c;
plugin->parent->Write(&i,1,this->plugin->baseAddress()+APB_UART_FIFO_DEBUG_REG);
}
}
else
{
uartMutex->lock();
rs232write(this->uart,&c,1);
uartMutex->unlock();
}
}
bool UARTPollingThread::openUart()
{
uartMutex->lock();
if(uartOpened)
{
closeUart();
}
SocExplorerEngine::message(this->plugin,"Opening UART "+this->portName,3);
this->uart = rs232open((char*)this->portName.toStdString().c_str());
if(this->uart!=badPortValue)
{
SocExplorerEngine::message(this->plugin,QString("Configuring UART, speed =%1").arg(this->uartSpeed),3);
rs232setup(this->uart,8,this->uartSpeed,rs232parityNo,rs232OneStop);
uartOpened = true;
}
uartMutex->unlock();
return uartOpened;
}
void UARTPollingThread::closeUart()
{
uartMutex->lock();
rs232close(this->uart);
uartOpened = false;
uartMutex->unlock();
}
void UARTPollingThread::setPortName(QString name)
{
SocExplorerEngine::message(this->plugin,"Changing UART port Name: "+name,3);
this->portName = name;
}
void UARTPollingThread::setPortSpeedStr(QString speed)
{
SocExplorerEngine::message(this->plugin,"Changing UART speed: "+speed,3);
this->uartSpeed = speed.toInt();
}
void UARTPollingThread::setPortSpeed(int speed)
{
SocExplorerEngine::message(this->plugin,QString("Changing UART speed: %1").arg(speed),3);
this->uartSpeed = speed;
}
void UARTPollingThread::setFifoDebugEable(bool enable)
{
if(enable)
SocExplorerEngine::message(this->plugin,"Enabling APB UART FIFO debug mode",3);
else
SocExplorerEngine::message(this->plugin,"Disabling APB UART FIFO debug mode",3);
if(uartOpened && enable)
{
closeUart();
}
this->fifoDebugConfigured = false;
configFifoDebug(enable);
this->p_fifoDebugEnabled = enable;
}
bool UARTPollingThread::fifoDebugEnabled()
{
return p_fifoDebugEnabled;
}
void UARTPollingThread::configFifoDebug(bool enable)
{
SocExplorerEngine::message(this->plugin,"Configuring APB UART in FIFO debug mode",3);
if(this->plugin->baseAddress()==-1)
{
this->plugin->setBaseAddress(SocExplorerEngine::self()->getEnumDeviceBaseAddress(this->plugin,this->plugin->VID(),this->plugin->PID(),0));
}
if(this->plugin->baseAddress()!=-1)
{
if(enable)
{
unsigned int ctrl_reg= 0x843;
this->plugin->parent->Write(&ctrl_reg,1,this->plugin->baseAddress()+APB_UART_CONTROL_REG);
this->fifoDebugConfigured = true;
}
else
{
unsigned int ctrl_reg;
/* Firts get Control reg value*/
this->plugin->parent->Read(&ctrl_reg,1,this->plugin->baseAddress()+APB_UART_CONTROL_REG);
ctrl_reg = ctrl_reg & (~(1<<11));
this->plugin->parent->Write(&ctrl_reg,1,this->plugin->baseAddress()+APB_UART_CONTROL_REG);
this->fifoDebugConfigured = true;
}
}
}