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/*
Q Light Controller
win32ioenumerator.cpp
Copyright (c) Heikki Junnila
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0.txt
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include <Windows.h>
#include <QDebug>
#include "win32peperonidevice.h"
#include "win32ioenumerator.h"
#include "usbdmx-dynamic.h"
#include "peperonidefs.h"
#define MAX_USBDMX_DEVICES 16
Win32IOEnumerator::Win32IOEnumerator(QObject* parent)
: IOEnumerator(parent)
, m_usbdmx(NULL)
{
qDebug() << Q_FUNC_INFO;
m_usbdmx = usbdmx_init();
if (m_usbdmx == NULL)
{
qWarning() << "Loading USBDMX.DLL failed.";
}
else if (USBDMX_DLL_VERSION_CHECK(m_usbdmx) == FALSE)
{
/* verify USBDMX dll version */
qWarning() << "USBDMX.DLL version does not match. Abort.";
qWarning() << "Found" << m_usbdmx->version() << "but expected"
<< USBDMX_DLL_VERSION;
m_usbdmx = NULL;
}
else
{
qDebug() << "Using USBDMX.DLL version" << m_usbdmx->version();
rescan();
}
}
Win32IOEnumerator::~Win32IOEnumerator()
{
qDebug() << Q_FUNC_INFO;
while (m_outputDevices.isEmpty() == false)
delete m_outputDevices.takeFirst();
}
QVariant Win32IOEnumerator::extractUID(HANDLE handle)
{
Q_ASSERT(handle != NULL);
USHORT uid = 0;
if (m_usbdmx->device_id(handle, &uid) == TRUE)
return QVariant(uid);
else
return QVariant();
}
QString Win32IOEnumerator::extractName(HANDLE handle)
{
QString name;
if (m_usbdmx->is_xswitch(handle) == TRUE)
name = QString("X-Switch");
else if (m_usbdmx->is_rodin1(handle) == TRUE)
name = QString("Rodin 1");
else if (m_usbdmx->is_rodin2(handle) == TRUE)
name = QString("Rodin 2");
else if (m_usbdmx->is_rodint(handle) == TRUE)
name = QString("Rodin T");
else if (m_usbdmx->is_usbdmx21(handle) == TRUE)
name = QString("USBDMX21");
else
name = QString("?");
return name;
}
void Win32IOEnumerator::rescan()
{
if (m_usbdmx == NULL)
return;
QList <OutputDevice*> destroyOutputs(m_outputDevices);
bool changed = false;
for (USHORT id = 0; id < MAX_USBDMX_DEVICES; id++)
{
HANDLE handle = NULL;
if (m_usbdmx->open(id, &handle) == TRUE)
{
QVariant uid = extractUID(handle);
QString name = extractName(handle);
// We don't need the handle anymore for now
m_usbdmx->close(handle);
handle = NULL;
OutputDevice* od = outputDevice(uid);
if (od == NULL)
{
// New device
od = new Win32PeperoniDevice(uid, name, id, m_usbdmx, this);
m_outputDevices << od;
changed = true;
}
else
{
// We know this device and it's still present
destroyOutputs.removeAll(od);
}
}
else
{
/* This device ID doesn't exist and neither does any
consecutive id, so we can stop looking. */
break;
}
}
while (destroyOutputs.isEmpty() == false)
{
delete destroyOutputs.takeFirst();
changed = true;
}
if (changed == true)
emit configurationChanged();
}
QList <OutputDevice*> Win32IOEnumerator::outputDevices() const
{
return m_outputDevices;
}
QList <InputDevice*> Win32IOEnumerator::inputDevices() const
{
return m_inputDevices;
}
OutputDevice* Win32IOEnumerator::outputDevice(const QVariant& uid) const
{
QListIterator <OutputDevice*> it(m_outputDevices);
while (it.hasNext() == true)
{
OutputDevice* dev(it.next());
if (dev->uid() == uid)
return dev;
}
return NULL;
}
InputDevice* Win32IOEnumerator::inputDevice(const QVariant& uid) const
{
Q_UNUSED(uid);
return NULL;
}
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