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/*
* 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 Library 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* ScanlimeFadecandyFactory.cpp
* The WidgetFactory for Fadecandy widgets.
* Copyright (C) 2014 Simon Newton
*/
#include "plugins/usbdmx/ScanlimeFadecandyFactory.h"
#include "libs/usb/LibUsbAdaptor.h"
#include "ola/Logging.h"
#include "ola/base/Flags.h"
#include "plugins/usbdmx/ScanlimeFadecandy.h"
DECLARE_bool(use_async_libusb);
namespace ola {
namespace plugin {
namespace usbdmx {
using ola::usb::LibUsbAdaptor;
const char ScanlimeFadecandyFactory::EXPECTED_MANUFACTURER[] = "scanlime";
const char ScanlimeFadecandyFactory::EXPECTED_PRODUCT[] = "Fadecandy";
const uint16_t ScanlimeFadecandyFactory::VENDOR_ID = 0x1D50;
const uint16_t ScanlimeFadecandyFactory::PRODUCT_ID = 0x607A;
bool ScanlimeFadecandyFactory::DeviceAdded(
WidgetObserver *observer,
libusb_device *usb_device,
const struct libusb_device_descriptor &descriptor) {
if (descriptor.idVendor != VENDOR_ID || descriptor.idProduct != PRODUCT_ID) {
return false;
}
OLA_INFO << "Found a new Fadecandy device";
LibUsbAdaptor::DeviceInformation info;
if (!m_adaptor->GetDeviceInfo(usb_device, descriptor, &info)) {
return false;
}
if (!m_adaptor->CheckManufacturer(EXPECTED_MANUFACTURER, info)) {
return false;
}
if (!m_adaptor->CheckProduct(EXPECTED_PRODUCT, info)) {
return false;
}
// Fadecandy devices may be missing serial numbers. Since there isn't another
// good way to uniquely identify a USB device, we only support one of these
// types of devices per host.
if (info.serial.empty()) {
if (m_missing_serial_number) {
OLA_WARN << "Failed to read serial number or serial number empty. "
<< "We can only support one device without a serial number.";
return false;
} else {
OLA_WARN << "Failed to read serial number from " << info.manufacturer
<< " : " << info.product
<< " the device probably doesn't have one";
m_missing_serial_number = true;
}
}
ScanlimeFadecandy *widget = NULL;
if (FLAGS_use_async_libusb) {
widget = new AsynchronousScanlimeFadecandy(m_adaptor, usb_device,
info.serial);
} else {
widget = new SynchronousScanlimeFadecandy(m_adaptor, usb_device,
info.serial);
}
return AddWidget(observer, widget);
}
} // namespace usbdmx
} // namespace plugin
} // namespace ola
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