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x/y/2014 ola-0.9.4 | ||
Features: | ||
* Added support for the img Stage Line DMX-1USB - #398 | ||
* | ||
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API: | ||
|
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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. | ||
* | ||
* ImgStageLineDevice.cpp | ||
* The img Stage Line DMX-1USB device | ||
* Copyright (C) 2014 Peter Newman | ||
*/ | ||
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#include <string.h> | ||
#include <sys/time.h> | ||
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#include "ola/Logging.h" | ||
#include "plugins/usbdmx/ImgStageLineDevice.h" | ||
#include "plugins/usbdmx/ImgStageLineOutputPort.h" | ||
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namespace ola { | ||
namespace plugin { | ||
namespace usbdmx { | ||
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/* | ||
* Start this device. | ||
*/ | ||
bool ImgStageLineDevice::StartHook() { | ||
ImgStageLineOutputPort *output_port = | ||
new ImgStageLineOutputPort(this, 0, m_usb_device); | ||
if (!output_port->Start()) { | ||
delete output_port; | ||
return false; | ||
} | ||
AddPort(output_port); | ||
return true; | ||
} | ||
} // namespace usbdmx | ||
} // namespace plugin | ||
} // namespace ola |
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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. | ||
* | ||
* ImgStageLineDevice.h | ||
* Interface for the ImgStageLine device | ||
* Copyright (C) 2014 Peter Newman | ||
*/ | ||
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#ifndef PLUGINS_USBDMX_IMGSTAGELINEDEVICE_H_ | ||
#define PLUGINS_USBDMX_IMGSTAGELINEDEVICE_H_ | ||
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#include <libusb.h> | ||
#include <string> | ||
#include "plugins/usbdmx/UsbDevice.h" | ||
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namespace ola { | ||
namespace plugin { | ||
namespace usbdmx { | ||
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/* | ||
* An ImgStageLine device | ||
*/ | ||
class ImgStageLineDevice: public UsbDevice { | ||
public: | ||
ImgStageLineDevice(ola::AbstractPlugin *owner, | ||
libusb_device *usb_device) | ||
: UsbDevice(owner, "ImgStageLine USB Device", usb_device) { | ||
} | ||
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std::string DeviceId() const { return "dmx-1usb"; } | ||
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protected: | ||
bool StartHook(); | ||
}; | ||
} // namespace usbdmx | ||
} // namespace plugin | ||
} // namespace ola | ||
#endif // PLUGINS_USBDMX_IMGSTAGELINEDEVICE_H_ |
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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. | ||
* | ||
* ImgStageLineOutputPort.cpp | ||
* Thread for the img Stage Line DMX-1USB Output Port | ||
* Copyright (C) 2014 Peter Newman | ||
* | ||
* See the comments in ImgStageLineOutputPort.h | ||
*/ | ||
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#include <string.h> | ||
#include <sys/types.h> | ||
#include <algorithm> | ||
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#include "ola/Logging.h" | ||
#include "plugins/usbdmx/ImgStageLineOutputPort.h" | ||
#include "plugins/usbdmx/ImgStageLineDevice.h" | ||
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namespace ola { | ||
namespace plugin { | ||
namespace usbdmx { | ||
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/* | ||
* Create a new ImgStageLineOutputPort object | ||
*/ | ||
ImgStageLineOutputPort::ImgStageLineOutputPort(ImgStageLineDevice *parent, | ||
unsigned int id, | ||
libusb_device *usb_device) | ||
: BasicOutputPort(parent, id), | ||
m_term(false), | ||
m_new_data(false), | ||
m_usb_device(usb_device), | ||
m_usb_handle(NULL), | ||
m_packet_count(0) { | ||
} | ||
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/* | ||
* Cleanup | ||
*/ | ||
ImgStageLineOutputPort::~ImgStageLineOutputPort() { | ||
{ | ||
ola::thread::MutexLocker locker(&m_term_mutex); | ||
m_term = true; | ||
} | ||
OLA_INFO << "In total sent " << m_packet_count << " packets"; | ||
Join(); | ||
} | ||
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/* | ||
* Start this thread | ||
*/ | ||
bool ImgStageLineOutputPort::Start() { | ||
libusb_device_handle *usb_handle; | ||
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if (libusb_open(m_usb_device, &usb_handle)) { | ||
OLA_WARN << "Failed to open img USB device"; | ||
return false; | ||
} | ||
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int ret_code; | ||
int config_value; | ||
ret_code = libusb_get_configuration(usb_handle, &config_value); | ||
if (ret_code) { | ||
OLA_WARN << "img Stage Line get config failed, with libusb error code " << | ||
ret_code; | ||
} else { | ||
OLA_INFO << "img Stage Line original config is " << config_value; | ||
} | ||
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ret_code = libusb_set_configuration(usb_handle, 1); | ||
if (ret_code) { | ||
OLA_WARN << "img Stage Line set config failed, with libusb error code " << | ||
ret_code; | ||
} | ||
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ret_code = libusb_get_configuration(usb_handle, &config_value); | ||
if (ret_code) { | ||
OLA_WARN << "img Stage Line get config failed, with libusb error code " << | ||
ret_code; | ||
} else { | ||
OLA_INFO << "img Stage Line new config is " << config_value; | ||
} | ||
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if (libusb_claim_interface(usb_handle, 0)) { | ||
OLA_WARN << "Failed to claim img USB device"; | ||
libusb_close(usb_handle); | ||
return false; | ||
} | ||
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m_usb_handle = usb_handle; | ||
bool ret = ola::thread::Thread::Start(); | ||
if (!ret) { | ||
OLA_WARN << "pthread create failed"; | ||
libusb_release_interface(m_usb_handle, 0); | ||
libusb_close(usb_handle); | ||
return false; | ||
} | ||
return true; | ||
} | ||
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/* | ||
* Run this thread | ||
*/ | ||
void *ImgStageLineOutputPort::Run() { | ||
DmxBuffer buffer; | ||
bool new_data; | ||
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if (!m_usb_handle) | ||
return NULL; | ||
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while (true) { | ||
{ | ||
ola::thread::MutexLocker locker(&m_term_mutex); | ||
if (m_term) | ||
break; | ||
} | ||
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{ | ||
ola::thread::MutexLocker locker(&m_data_mutex); | ||
buffer.Set(m_buffer); | ||
new_data = m_new_data; | ||
m_new_data = false; | ||
} | ||
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if (new_data) { | ||
if (!SendDMX(buffer)) { | ||
OLA_WARN << "Send failed, stopping thread..."; | ||
break; | ||
} | ||
} else { | ||
// sleep for a bit | ||
usleep(40000); | ||
} | ||
} | ||
libusb_release_interface(m_usb_handle, 0); | ||
libusb_close(m_usb_handle); | ||
return NULL; | ||
} | ||
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/* | ||
* Store the data in the shared buffer | ||
*/ | ||
bool ImgStageLineOutputPort::WriteDMX(const DmxBuffer &buffer, | ||
uint8_t priority) { | ||
ola::thread::MutexLocker locker(&m_data_mutex); | ||
m_buffer.Set(buffer); | ||
m_new_data = true; | ||
return true; | ||
(void) priority; | ||
} | ||
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/* | ||
* Send DMX to the widget | ||
*/ | ||
bool ImgStageLineOutputPort::SendDMX(const DmxBuffer &buffer) { | ||
bool success = false; | ||
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m_packet_count++; | ||
OLA_INFO << "About to send packet " << m_packet_count; | ||
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for (unsigned int i = 0; | ||
i < DMX_MAX_TRANSMIT_CHANNELS; | ||
i = i + CHANNELS_PER_PACKET) { | ||
// zero everything | ||
memset(m_packet, 0, IMGSTAGELINE_PACKET_SIZE); | ||
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if (i == 0) { | ||
m_packet[0] = CHANNEL_HEADER_LOW; | ||
} else if (i == CHANNELS_PER_PACKET) { | ||
m_packet[0] = CHANNEL_HEADER_HIGH; | ||
} else { | ||
OLA_FATAL << "Unknown channel value " << i << ", couldn't find channel " | ||
"header value"; | ||
} | ||
OLA_INFO << "Sending sub packet " << i << " with header value " | ||
<< static_cast<int>(m_packet[0]); | ||
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// Copy the data if there is some, otherwise we'll just send a packet of | ||
// zeros for the channel values | ||
if ((buffer.Size() - i) > 0) { | ||
unsigned int channels = std::min((unsigned int) CHANNELS_PER_PACKET, | ||
(buffer.Size() - i)); | ||
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buffer.GetRange(i, &m_packet[1], &channels); | ||
} | ||
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int transferred; | ||
int r = libusb_bulk_transfer( | ||
m_usb_handle, | ||
ENDPOINT, | ||
(unsigned char*) m_packet, | ||
IMGSTAGELINE_PACKET_SIZE, | ||
&transferred, | ||
TIMEOUT); | ||
if (transferred != IMGSTAGELINE_PACKET_SIZE) { | ||
// not sure if this is fatal or not | ||
OLA_WARN << "img driver failed to transfer all data, transferred " | ||
<< transferred << " bytes, expected to send " | ||
<< IMGSTAGELINE_PACKET_SIZE; | ||
} | ||
success = (r == 0); | ||
if (!success) { | ||
OLA_FATAL << "Failed with error " << r; | ||
return success; | ||
} | ||
} | ||
return success; | ||
} | ||
} // namespace usbdmx | ||
} // namespace plugin | ||
} // namespace ola |
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