StageProfiWidget.h

/*
 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * stageprofidevice.h
 * Interface for the stageprofi device
 * Copyright (C) 2006-2007 Simon Newton
 */

#ifndef PLUGINS_STAGEPROFI_STAGEPROFIWIDGET_H_
#define PLUGINS_STAGEPROFI_STAGEPROFIWIDGET_H_

#include <string>
#include "ola/io/SelectServer.h"
#include "ola/network/Socket.h"
#include "ola/DmxBuffer.h"

namespace ola {
namespace plugin {
namespace stageprofi {

using ola::io::ConnectedDescriptor;
using ola::io::SelectServer;

class StageProfiWidget {
 public:
 StageProfiWidget():
 m_enabled(false),
 m_got_response(false),
 m_socket(NULL),
 m_ss(NULL) {}
 virtual ~StageProfiWidget();

 // these methods are for communicating with the device
 virtual bool Connect(const string &path) = 0;
 int Disconnect();
 string GetDevicePath() { return m_device_path; }
 ConnectedDescriptor *GetSocket() { return m_socket; }
 bool SendDmx(const DmxBuffer &buffer) const;
 bool DetectDevice();
 void SocketReady();
 void Timeout();

 protected:
 int Send255(unsigned int start, const uint8_t *buf, unsigned int len) const;
 int SetChannel(unsigned int chan, uint8_t val) const;

 // instance variables
 bool m_enabled;
 bool m_got_response;
 string m_device_path;
 ConnectedDescriptor *m_socket;
 SelectServer *m_ss;

 enum { DMX_MSG_LEN = 255 };
 enum { DMX_HEADER_SIZE = 4};

 private:
 int DoRecv();
};
} // namespace stageprofi
} // namespace plugin
} // namespace ola
#endif // PLUGINS_STAGEPROFI_STAGEPROFIWIDGET_H_