/usr/include/libindi/indidetector.h is in libindi-dev 1.7.1-0ubuntu1.
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Copyright(c) 2010, 2017 Ilia Platone, Jasem Mutlaq. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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 Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*******************************************************************************/
#pragma once
#include "defaultdevice.h"
#include <fitsio.h>
#include <memory>
#include <cstring>
#include <stdint.h>
extern const char *CAPTURE_SETTINGS_TAB;
extern const char *CAPTURE_INFO_TAB;
extern const char *GUIDE_HEAD_TAB;
/**
* @brief The DetectorDevice class provides functionality of a Detector Device within a Detector.
*/
class DetectorDevice
{
public:
DetectorDevice();
~DetectorDevice();
typedef enum {
DETECTOR_SAMPLERATE,
DETECTOR_FREQUENCY,
DETECTOR_BITSPERSAMPLE,
} DETECTOR_INFO_INDEX;
typedef enum {
DETECTOR_BLOB_CONTINUUM,
DETECTOR_BLOB_SPECTRUM,
} DETECTOR_BLOB_INDEX;
/**
* @brief getBPS Get Detector depth (bits per sample).
* @return bits per sample.
*/
inline int getBPS() { return BPS; }
/**
* @brief getContinuumBufferSize Get allocated continuum buffer size to hold the Detector captured stream.
* @return allocated continuum buffer size to hold the Detector capture stream.
*/
inline int getContinuumBufferSize() { return ContinuumBufferSize; }
/**
* @brief getSpectrumBufferSize Get allocated spectrum buffer size to hold the Detector spectrum.
* @return allocated spectrum buffer size (in doubles) to hold the Detector spectrum.
*/
inline int getSpectrumBufferSize() { return SpectrumBufferSize; }
/**
* @brief getCaptureLeft Get Capture time left in seconds.
* @return Capture time left in seconds.
*/
inline double getCaptureLeft() { return FramedCaptureN[0].value; }
/**
* @brief getSampleRate Get requested SampleRate for the Detector device in Hz.
* @return requested SampleRate for the Detector device in Hz.
*/
inline double getSampleRate() { return samplerate; }
/**
* @brief getSamplingFrequency Get requested Capture frequency for the Detector device in Hz.
* @return requested Capture frequency for the Detector device in Hz.
*/
inline double getFrequency() { return Frequency; }
/**
* @brief getCaptureDuration Get requested Capture duration for the Detector device in seconds.
* @return requested Capture duration for the Detector device in seconds.
*/
inline double getCaptureDuration() { return captureDuration; }
/**
* @brief getCaptureStartTime
* @return Capture start time in ISO 8601 format.
*/
const char *getCaptureStartTime();
/**
* @brief getContinuumBuffer Get raw buffer of the continuum stream of the Detector device.
* @return raw continuum buffer of the Detector device.
*/
inline uint8_t *getContinuumBuffer() { return ContinuumBuffer; }
/**
* @brief getSpectrumBuffer Get raw buffer of the spectrum of the Detector device.
* @return raw continuum buffer of the Detector device.
*/
inline double *getSpectrumBuffer() { return SpectrumBuffer; }
/**
* @brief setContinuumBuffer Set raw frame buffer pointer.
* @param buffer pointer to continuum buffer
* /note Detector Device allocates the frame buffer internally once SetContinuumBufferSize is called
* with allocMem set to true which is the default behavior. If you allocated the memory
* yourself (i.e. allocMem is false), then you must call this function to set the pointer
* to the raw frame buffer.
*/
void setContinuumBuffer(uint8_t *buffer) { ContinuumBuffer = buffer; }
/**
* @brief setSpectrumBuffer Set raw frame buffer pointer.
* @param buffer pointer to spectrum buffer
* /note Detector Device allocates the frame buffer internally once SetSpectrumBufferSize is called
* with allocMem set to true which is the default behavior. If you allocated the memory
* yourself (i.e. allocMem is false), then you must call this function to set the pointer
* to the raw frame buffer.
*/
void setSpectrumBuffer(double *buffer) { SpectrumBuffer = buffer; }
/**
* @brief Return Detector Info Property
*/
INumberVectorProperty *getDetectorSettings() { return &DetectorSettingsNP; }
/**
* @brief setMinMaxStep for a number property element
* @param property Property name
* @param element Element name
* @param min Minimum element value
* @param max Maximum element value
* @param step Element step value
* @param sendToClient If true (default), the element limits are updated and is sent to the
* client. If false, the element limits are updated without getting sent to the client.
*/
void setMinMaxStep(const char *property, const char *element, double min, double max, double step,
bool sendToClient = true);
/**
* @brief setContinuumBufferSize Set desired continuum buffer size. The function will allocate memory
* accordingly. The frame size depends on the desired capture time, sampling frequency, and
* sample depth of the Detector device (bps). You must set the frame size any time any of
* the prior parameters gets updated.
* @param nbuf size of buffer in bytes.
* @param allocMem if True, it will allocate memory of nbut size bytes.
*/
void setContinuumBufferSize(int nbuf, bool allocMem = true);
/**
* @brief setSpectrumBufferSize Set desired spectrum buffer size. The function will allocate memory
* accordingly. The frame size depends on the size of the spectrum. You must set the frame size any
* time the spectrum size changes.
* @param nbuf size of buffer in doubles.
* @param allocMem if True, it will allocate memory of nbut size doubles.
*/
void setSpectrumBufferSize(int nbuf, bool allocMem = true);
/**
* @brief setSampleRate Set depth of Detector device.
* @param bpp bits per pixel
*/
void setSampleRate(float sr);
/**
* @brief setFrequency Set the frequency observed.
* @param capfreq Capture frequency
*/
void setFrequency(float freq);
/**
* @brief setBPP Set depth of Detector device.
* @param bpp bits per pixel
*/
void setBPS(int bps);
/**
* @brief setCaptureDuration Set desired Detector frame Capture duration for next Capture. You must
* call this function immediately before starting the actual Capture as it is used to calculate
* the timestamp used for the FITS header.
* @param duration Capture duration in seconds.
*/
void setCaptureDuration(double duration);
/**
* @brief setCaptureLeft Update Capture time left. Inform the client of the new Capture time
* left value.
* @param duration Capture duration left in seconds.
*/
void setCaptureLeft(double duration);
/**
* @brief setCaptureFailed Alert the client that the Capture failed.
*/
void setCaptureFailed();
/**
* @return Get number of FITS axis in capture. By default 2
*/
int getNAxis() const;
/**
* @brief setNAxis Set FITS number of axis
* @param value number of axis
*/
void setNAxis(int value);
/**
* @brief setCaptureExtension Set capture exntension
* @param ext extension (fits, jpeg, raw..etc)
*/
void setCaptureExtension(const char *ext);
/**
* @return Return capture extension (fits, jpeg, raw..etc)
*/
char *getCaptureExtension() { return captureExtention; }
/**
* @return True if Detector is currently exposing, false otherwise.
*/
bool isCapturing() { return (FramedCaptureNP.s == IPS_BUSY); }
private:
/// # of Axis
int NAxis;
/// Bytes per Sample
int BPS;
double samplerate;
double Frequency;
uint8_t *ContinuumBuffer;
int ContinuumBufferSize;
double *SpectrumBuffer;
int SpectrumBufferSize;
double captureDuration;
timeval startCaptureTime;
char captureExtention[MAXINDIBLOBFMT];
INumberVectorProperty FramedCaptureNP;
INumber FramedCaptureN[1];
INumberVectorProperty DetectorSettingsNP;
INumber DetectorSettingsN[4];
ISwitchVectorProperty AbortCaptureSP;
ISwitch AbortCaptureS[1];
IBLOB FitsB[2];
IBLOBVectorProperty FitsBP;
friend class INDI::Detector;
};
/**
* \class INDI::Detector
* \brief Class to provide general functionality of Monodimensional Detector.
*
* The Detector capabilities must be set to select which features are exposed to the clients.
* SetDetectorCapability() is typically set in the constructor or initProperties(), but can also be
* called after connection is established with the Detector, but must be called /em before returning
* true in Connect().
*
* Developers need to subclass INDI::Detector to implement any driver for Detectors within INDI.
*
* \example Detector Simulator
* \author Jasem Mutlaq, Ilia Platone
*
*/
namespace INDI
{
class Detector : public DefaultDevice
{
public:
Detector();
virtual ~Detector();
enum
{
DETECTOR_CAN_ABORT = 1 << 0, /*!< Can the Detector Capture be aborted? */
DETECTOR_HAS_SHUTTER = 1 << 1, /*!< Does the Detector have a mechanical shutter? */
DETECTOR_HAS_COOLER = 1 << 2, /*!< Does the Detector have a cooler and temperature control? */
DETECTOR_HAS_CONTINUUM = 1 << 3, /*!< Does the Detector support live streaming? */
DETECTOR_HAS_SPECTRUM = 1 << 4, /*!< Does the Detector support spectrum analysis? */
} DetectorCapability;
virtual bool initProperties();
virtual bool updateProperties();
virtual void ISGetProperties(const char *dev);
virtual bool ISNewNumber(const char *dev, const char *name, double values[], char *names[], int n);
virtual bool ISNewSwitch(const char *dev, const char *name, ISState *states, char *names[], int n);
virtual bool ISNewText(const char *dev, const char *name, char *texts[], char *names[], int n);
virtual bool ISSnoopDevice(XMLEle *root);
protected:
/**
* @brief GetDetectorCapability returns the Detector capabilities.
*/
uint32_t GetDetectorCapability() const { return capability; }
/**
* @brief SetDetectorCapability Set the Detector capabilities. Al fields must be initilized.
* @param cap pointer to DetectorCapability struct.
*/
void SetDetectorCapability(uint32_t cap);
/**
* @return True if Detector can abort Capture. False otherwise.
*/
bool CanAbort() { return capability & DETECTOR_CAN_ABORT; }
/**
* @return True if Detector has mechanical or electronic shutter. False otherwise.
*/
bool HasShutter() { return capability & DETECTOR_HAS_SHUTTER; }
/**
* @return True if Detector has cooler and temperature can be controlled. False otherwise.
*/
bool HasCooler() { return capability & DETECTOR_HAS_COOLER; }
/**
* @return True if the Detector supports live streaming. False otherwise.
*/
bool HasContinuum() { return capability & DETECTOR_HAS_CONTINUUM; }
/**
* @return True if the Detector supports live streaming. False otherwise.
*/
bool HasSpectrum() { return capability & DETECTOR_HAS_SPECTRUM; }
/**
* @brief Set Detector temperature
* @param temperature Detector temperature in degrees celsius.
* @return 0 or 1 if setting the temperature call to the hardware is successful. -1 if an
* error is encountered.
* Return 0 if setting the temperature to the requested value takes time.
* Return 1 if setting the temperature to the requested value is complete.
* \note Upon returning 0, the property becomes BUSY. Once the temperature reaches the requested
* value, change the state to OK.
* \note This function is not implemented in Detector, it must be implemented in the child class
*/
virtual int SetTemperature(double temperature);
/**
* \brief Start capture from the Detector device
* \param duration Duration in seconds
* \return true if OK and Capture will take some time to complete, false on error.
* \note This function is not implemented in Detector, it must be implemented in the child class
*/
virtual bool StartCapture(float duration);
/**
* \brief Set common capture params
* \param sr Detector samplerate (in Hz)
* \param cfreq Capture frequency of the detector (Hz, observed frequency).
* \param sfreq Sampling frequency of the detector (Hz, electronic speed of the detector).
* \param bps Bit resolution of a single sample.
* \return true if OK and Capture will take some time to complete, false on error.
* \note This function is not implemented in Detector, it must be implemented in the child class
*/
virtual bool CaptureParamsUpdated(float sr, float freq, float bps);
/**
* \brief Uploads target Device exposed buffer as FITS to the client. Dervied classes should class
* this function when an Capture is complete.
* @param targetDevice device that contains upload capture data
* \note This function is not implemented in Detector, it must be implemented in the child class
*/
virtual bool CaptureComplete(DetectorDevice *targetDevice);
/**
* \brief Abort ongoing Capture
* \return true is abort is successful, false otherwise.
* \note This function is not implemented in Detector, it must be implemented in the child class
*/
virtual bool AbortCapture();
/**
* \brief Setup Detector parameters for the Detector. Child classes call this function to update
* Detector parameters
* \param samplerate Detector samplerate (in Hz)
* \param freq Center frequency of the detector (Hz, observed frequency).
* \param bps Bit resolution of a single sample.
*/
virtual void SetDetectorParams(float samplerate, float freq, float bps);
/**
* \brief Add FITS keywords to a fits file
* \param fptr pointer to a valid FITS file.
* \param targetDevice The target device to extract the keywords from.
* \param blobIndex The blob index of this FITS (0: continuum, 1: spectrum).
* \note In additional to the standard FITS keywords, this function write the following
* keywords the FITS file:
* <ul>
* <li>EXPTIME: Total Capture Time (s)</li>
* <li>DATAMIN: Minimum value</li>
* <li>DATAMAX: Maximum value</li>
* <li>INSTRUME: Detector Name</li>
* <li>DATE-OBS: UTC start date of observation</li>
* </ul>
*
* To add additional information, override this function in the child class and ensure to call
* Detector::addFITSKeywords.
*/
virtual void addFITSKeywords(fitsfile *fptr, DetectorDevice *targetDevice, int blobIndex);
/** A function to just remove GCC warnings about deprecated conversion */
void fits_update_key_s(fitsfile *fptr, int type, std::string name, void *p, std::string explanation, int *status);
/**
* @brief activeDevicesUpdated Inform children that ActiveDevices property was updated so they can
* snoop on the updated devices if desired.
*/
virtual void activeDevicesUpdated() {}
/**
* @brief saveConfigItems Save configuration items in XML file.
* @param fp pointer to file to write to
* @return True if successful, false otherwise
*/
virtual bool saveConfigItems(FILE *fp);
double RA, Dec;
double primaryAperture;
double primaryFocalLength;
bool InCapture;
bool AutoLoop;
bool SendCapture;
bool ShowMarker;
float CaptureTime;
// Sky Quality
double MPSAS;
std::vector<std::string> FilterNames;
int CurrentFilterSlot;
DetectorDevice PrimaryDetector;
// We are going to snoop these from a telescope
INumberVectorProperty EqNP;
INumber EqN[2];
ITextVectorProperty ActiveDeviceTP;
IText ActiveDeviceT[4] {};
INumber TemperatureN[1];
INumberVectorProperty TemperatureNP;
IText FileNameT[1] {};
ITextVectorProperty FileNameTP;
ISwitch DatasetS[1];
ISwitchVectorProperty DatasetSP;
ISwitch UploadS[3];
ISwitchVectorProperty UploadSP;
IText UploadSettingsT[2] {};
ITextVectorProperty UploadSettingsTP;
enum
{
UPLOAD_DIR,
UPLOAD_PREFIX
};
ISwitch TelescopeTypeS[2];
ISwitchVectorProperty TelescopeTypeSP;
enum
{
TELESCOPE_PRIMARY
};
// FITS Header
IText FITSHeaderT[2] {};
ITextVectorProperty FITSHeaderTP;
enum
{
FITS_OBSERVER,
FITS_OBJECT
};
private:
uint32_t capability;
bool uploadFile(DetectorDevice *targetDevice, const void *fitsData, size_t totalBytes, bool sendCapture, bool saveCapture, int blobindex);
void getMinMax(double *min, double *max, uint8_t *buf, int len, int bpp);
int getFileIndex(const char *dir, const char *prefix, const char *ext);
};
}
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