trigger.h

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*  Copyright (c) 2013 Boris Gromov, BioRobotics Lab at Korea Tech
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#ifndef _TRIGGER_H_
#define _TRIGGER_H_

#include <dc1394/dc1394.h>

#include "camera1394stereo/Camera1394StereoConfig.h"
typedef camera1394stereo::Camera1394StereoConfig Config;

class Trigger
{
private:
  static const std::string trigger_mode_names_[DC1394_TRIGGER_MODE_NUM];
  static const std::string trigger_source_names_[DC1394_TRIGGER_SOURCE_NUM];
  static const std::string trigger_polarity_names_[DC1394_TRIGGER_ACTIVE_NUM];

  dc1394camera_t *camera_;

  dc1394trigger_mode_t triggerMode_;
  dc1394trigger_source_t triggerSource_;
  dc1394trigger_sources_t triggerSources_;
  dc1394trigger_polarity_t triggerPolarity_;

  dc1394switch_t externalTriggerPowerState_;

  bool findTriggerMode(std::string str);
  bool findTriggerSource(std::string str);
  bool findTriggerPolarity(std::string str);
  bool checkTriggerSource(dc1394trigger_source_t source);

public:
  Trigger(dc1394camera_t *camera):
    camera_(camera), triggerSources_((dc1394trigger_sources_t){0}), externalTriggerPowerState_(DC1394_OFF)
  {};

  inline const std::string triggerModeName(dc1394trigger_mode_t mode)
  {
    if (mode >= DC1394_TRIGGER_MODE_MIN && mode <= DC1394_TRIGGER_MODE_MAX)
      return trigger_mode_names_[mode - DC1394_TRIGGER_MODE_MIN];
    else
      return "";
  }

  inline const std::string triggerSourceName(dc1394trigger_source_t source)
  {
    if (source >= DC1394_TRIGGER_SOURCE_MIN && source <= DC1394_TRIGGER_SOURCE_MAX)
      return trigger_source_names_[source - DC1394_TRIGGER_SOURCE_MIN];
    else
      return "";
  }

  inline const std::string triggerPolarityName(dc1394trigger_polarity_t polarity)
  {
    if (polarity >= DC1394_TRIGGER_ACTIVE_MIN && polarity <= DC1394_TRIGGER_ACTIVE_MAX)
      return trigger_polarity_names_[polarity - DC1394_TRIGGER_ACTIVE_MIN];
    else
      return "";
  }

  inline bool isPowered()
  {
    return (externalTriggerPowerState_ == DC1394_ON ? true : false);
  }

  bool enumSources(dc1394camera_t *camera, dc1394trigger_sources_t &sources);
  dc1394trigger_polarity_t getPolarity(dc1394camera_t *camera);
  bool setPolarity(dc1394camera_t *camera, dc1394trigger_polarity_t &polarity);
  dc1394switch_t getExternalTriggerPowerState(dc1394camera_t *camera);
  bool setExternalTriggerPowerState(dc1394camera_t *camera, dc1394switch_t &state);
  dc1394switch_t getSoftwareTriggerPowerState(dc1394camera_t *camera);
  bool setSoftwareTriggerPowerState(dc1394camera_t *camera, dc1394switch_t &state);
  dc1394trigger_mode_t getMode(dc1394camera_t *camera);
  bool setMode(dc1394camera_t *camera, dc1394trigger_mode_t &mode);
  dc1394trigger_source_t getSource(dc1394camera_t *camera);
  bool setSource(dc1394camera_t *camera, dc1394trigger_source_t &source);

  bool reconfigure(Config *newconfig);
  bool initialize(Config *newconfig);
};

#endif // _TRIGGER_H_