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tdeedu/kstars/kstars/indi/fli_ccd.c

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#if 0
FLI CCD
INDI Interface for Finger Lakes Instruments CCDs
Copyright (C) 2003 Jasem Mutlaq (mutlaqja@ikarustech.com)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <math.h>
#include <unistd.h>
#include <time.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <zlib.h>
#include "fli/libfli.h"
#include "fitsrw.h"
#include "indidevapi.h"
#include "eventloop.h"
#include "indicom.h"
void ISInit(void);
void getBasicData(void);
void ISPoll(void *);
void handleExposure(void *);
void connectCCD(void);
void getBasicData(void);
void uploadFile(const char* filename);
int writeFITS(const char* filename, char errmsg[]);
int findcam(flidomain_t domain);
int setImageArea(char errmsg[]);
int manageDefaults(char errmsg[]);
int grabImage(void);
int checkPowerS(ISwitchVectorProperty *sp);
int checkPowerN(INumberVectorProperty *np);
int checkPowerT(ITextVectorProperty *tp);
int getOnSwitch(ISwitchVectorProperty *sp);
int isCCDConnected(void);
double min(void);
double max(void);
FITS_HDU_LIST * create_fits_header (FITS_FILE *ofp, uint width, uint height, uint bpp);
extern char* me;
extern int errno;
#define mydev "FLI CCD"
#define COMM_GROUP "Communication"
#define EXPOSE_GROUP "Expose"
#define IMAGE_GROUP "Image Settings"
#define DATA_GROUP "Data Channel"
#define MAX_CCD_TEMP 45 /* Max CCD temperature */
#define MIN_CCD_TEMP -55 /* Min CCD temperature */
#define MAX_X_BIN 16. /* Max Horizontal binning */
#define MAX_Y_BIN 16. /* Max Vertical binning */
#define MAX_PIXELS 4096 /* Max number of pixels in one dimension */
#define POLLMS 1000 /* Polling time (ms) */
#define TEMP_THRESHOLD .25 /* Differential temperature threshold (C)*/
#define NFLUSHES 1 /* Number of times a CCD array is flushed before an exposure */
#define FILENAMESIZ 2048
#define LIBVERSIZ 1024
#define PREFIXSIZ 64
#define PIPEBUFSIZ 8192
#define FRAME_ILEN 64
#define getBigEndian(p) ( ((p & 0xff) << 8) | (p >> 8))
enum FLIFrames { LIGHT_FRAME = 0, BIAS_FRAME, DARK_FRAME, FLAT_FRAME };
typedef struct {
flidomain_t domain;
char *dname;
char *name;
char *model;
long HWRevision;
long FWRevision;
double x_pixel_size;
double y_pixel_size;
long Array_Area[4];
long Visible_Area[4];
int width, height;
double temperature;
} cam_t;
typedef struct {
int width;
int height;
int frameType;
int expose;
unsigned short *img;
} img_t;
/*static int streamTimerID; Stream ID */
static flidev_t fli_dev;
static cam_t *FLICam;
static img_t *FLIImg;
static int portSwitchIndex;
long int Domains[] = { FLIDOMAIN_USB, FLIDOMAIN_SERIAL, FLIDOMAIN_PARALLEL_PORT, FLIDOMAIN_INET };
/*INDI controls */
/* Connect/Disconnect */
static ISwitch PowerS[] = {{"CONNECT" , "Connect" , ISS_OFF, 0, 0},{"DISCONNECT", "Disconnect", ISS_ON, 0, 0}};
static ISwitchVectorProperty PowerSP = { mydev, "CONNECTION" , "Connection", COMM_GROUP, IP_RW, ISR_1OFMANY, 60, IPS_IDLE, PowerS, NARRAY(PowerS), "", 0};
/* Types of Ports */
static ISwitch PortS[] = {{"USB", "", ISS_ON, 0, 0}, {"Serial", "", ISS_OFF, 0, 0}, {"Parallel", "", ISS_OFF, 0, 0}, {"INet", "", ISS_OFF, 0, 0}};
static ISwitchVectorProperty PortSP = { mydev, "Port Type", "", COMM_GROUP, IP_RW, ISR_1OFMANY, 0, IPS_IDLE, PortS, NARRAY(PortS), "", 0};
/* Types of Frames */
static ISwitch FrameTypeS[] = { {"FRAME_LIGHT", "Light", ISS_ON, 0, 0}, {"FRAME_BIAS", "Bias", ISS_OFF, 0, 0}, {"FRAME_DARK", "Dark", ISS_OFF, 0, 0}, {"FRAME_FLAT", "Flat Field", ISS_OFF, 0, 0}};
static ISwitchVectorProperty FrameTypeSP = { mydev, "CCD_FRAME_TYPE", "Frame Type", EXPOSE_GROUP, IP_RW, ISR_1OFMANY, 0, IPS_IDLE, FrameTypeS, NARRAY(FrameTypeS), "", 0};
/* Frame coordinates. Full frame is default */
static INumber FrameN[] = {
{ "X", "X", "%.0f", 0., MAX_PIXELS, 1., 0., 0, 0, 0},
{ "Y", "Y", "%.0f", 0., MAX_PIXELS, 1., 0., 0, 0, 0},
{ "WIDTH", "Width", "%.0f", 0., MAX_PIXELS, 1., 0., 0, 0, 0},
{ "HEIGHT", "Height", "%.0f",0., MAX_PIXELS, 1., 0., 0, 0, 0}};
static INumberVectorProperty FrameNP = { mydev, "CCD_FRAME", "Frame", IMAGE_GROUP, IP_RW, 60, IPS_IDLE, FrameN, NARRAY(FrameN), "", 0};
/* Binning */
static INumber BinningN[] = {
{ "HOR_BIN", "X", "%0.f", 1., MAX_X_BIN, 1., 1., 0, 0, 0},
{ "VER_BIN", "Y", "%0.f", 1., MAX_Y_BIN, 1., 1., 0, 0, 0}};
static INumberVectorProperty BinningNP = { mydev, "CCD_BINNING", "Binning", IMAGE_GROUP, IP_RW, 60, IPS_IDLE, BinningN, NARRAY(BinningN), "", 0};
/* Exposure time */
static INumber ExposeTimeN[] = {{ "EXPOSE_DURATION", "Duration (s)", "%5.2f", 0., 36000., .5, 1., 0, 0, 0}};
static INumberVectorProperty ExposeTimeNP = { mydev, "CCD_EXPOSE_DURATION", "Expose", EXPOSE_GROUP, IP_RW, 60, IPS_IDLE, ExposeTimeN, NARRAY(ExposeTimeN), "", 0};
/* Temperature control */
static INumber TemperatureN[] = { {"TEMPERATURE", "Temperature", "%+06.2f", MIN_CCD_TEMP, MAX_CCD_TEMP, .2, 0., 0, 0, 0}};
static INumberVectorProperty TemperatureNP = { mydev, "CCD_TEMPERATURE", "Temperature (C)", EXPOSE_GROUP, IP_RW, 60, IPS_IDLE, TemperatureN, NARRAY(TemperatureN), "", 0};
/* Pixel size (µm) */
static INumber PixelSizeN[] = {
{ "Width", "", "%.0f", 0. , 0., 0., 0., 0, 0, 0},
{ "Height", "", "%.0f", 0. , 0., 0., 0., 0, 0, 0}};
static INumberVectorProperty PixelSizeNP = { mydev, "Pixel Size (µm)", "", DATA_GROUP, IP_RO, 0, IPS_IDLE, PixelSizeN, NARRAY(PixelSizeN), "", 0};
/* BLOB for sending image */
static IBLOB imageB = {"CCD1", "Feed", "", 0, 0, 0, 0, 0, 0, 0};
static IBLOBVectorProperty imageBP = {mydev, "Video", "Video", COMM_GROUP,
IP_RO, 0, IPS_IDLE, &imageB, 1, "", 0};
/* send client definitions of all properties */
void ISInit()
{
static int isInit=0;
if (isInit)
return;
/* USB by default {USB, SERIAL, PARALLEL, INET} */
portSwitchIndex = 0;
FLIImg = malloc (sizeof(img_t));
if (FLIImg == NULL)
{
IDMessage(mydev, "Error: unable to initialize driver. Low memory.");
IDLog("Error: unable to initialize driver. Low memory.");
return;
}
IEAddTimer (POLLMS, ISPoll, NULL);
isInit = 1;
}
void ISGetProperties (const char *dev)
{
ISInit();
if (dev && strcmp (mydev, dev))
return;
/* COMM_GROUP */
IDDefSwitch(&PowerSP, NULL);
IDDefSwitch(&PortSP, NULL);
IDDefBLOB(&imageBP, NULL);
/* Expose */
IDDefSwitch(&FrameTypeSP, NULL);
IDDefNumber(&ExposeTimeNP, NULL);
IDDefNumber(&TemperatureNP, NULL);
/* Image Group */
IDDefNumber(&FrameNP, NULL);
IDDefNumber(&BinningNP, NULL);
}
void ISNewBLOB (const char *dev, const char *name, int sizes[], char *blobs[], char *formats[], char *names[], int n)
{
dev=dev;name=name;sizes=sizes;blobs=blobs;formats=formats;names=names;n=n;
}
void ISNewSwitch (const char *dev, const char *name, ISState *states, char *names[], int n)
{
long err;
int i;
ISwitch *sp;
/* ignore if not ours */
if (dev && strcmp (dev, mydev))
return;
ISInit();
/* Port type */
if (!strcmp (name, PortSP.name))
{
PortSP.s = IPS_IDLE;
IUResetSwitches(&PortSP);
IUUpdateSwitches(&PortSP, states, names, n);
portSwitchIndex = getOnSwitch(&PortSP);
PortSP.s = IPS_OK;
IDSetSwitch(&PortSP, NULL);
return;
}
/* Connection */
if (!strcmp (name, PowerSP.name))
{
IUResetSwitches(&PowerSP);
IUUpdateSwitches(&PowerSP, states, names, n);
connectCCD();
return;
}
/* Frame Type */
if (!strcmp(FrameTypeSP.name, name))
{
if (checkPowerS(&FrameTypeSP))
return;
FrameTypeSP.s = IPS_IDLE;
for (i = 0; i < n ; i++)
{
sp = IUFindSwitch(&FrameTypeSP, names[i]);
if (!sp)
{
IDSetSwitch(&FrameTypeSP, "Unknown error. %s is not a member of %s property.", names[0], name);
return;
}
/* NORMAL, BIAS, or FLAT */
if ( (sp == &FrameTypeS[LIGHT_FRAME] || sp == &FrameTypeS[FLAT_FRAME]) && states[i] == ISS_ON)
{
if (sp == &FrameTypeS[LIGHT_FRAME])
FLIImg->frameType = LIGHT_FRAME;
else
FLIImg->frameType = FLAT_FRAME;
if ((err = FLISetFrameType(fli_dev, FLI_FRAME_TYPE_NORMAL) ))
{
IUResetSwitches(&FrameTypeSP);
FrameTypeS[LIGHT_FRAME].s = ISS_ON;
IDSetSwitch(&FrameTypeSP, "FLISetFrameType() failed. %s.\n", strerror((int)-err));
IDLog("FLISetFrameType() failed. %s.\n", strerror((int)-err));
return;
}
IUResetSwitches(&FrameTypeSP);
sp->s = ISS_ON;
FrameTypeSP.s = IPS_OK;
IDSetSwitch(&FrameTypeSP, NULL);
break;
}
/* DARK AND BIAS */
else if ( (sp == &FrameTypeS[DARK_FRAME] || sp == &FrameTypeS[BIAS_FRAME]) && states[i] == ISS_ON)
{
if (sp == &FrameTypeS[DARK_FRAME])
FLIImg->frameType = DARK_FRAME;
else
FLIImg->frameType = BIAS_FRAME;
if ((err = FLISetFrameType(fli_dev, FLI_FRAME_TYPE_DARK) ))
{
IUResetSwitches(&FrameTypeSP);
FrameTypeS[LIGHT_FRAME].s = ISS_ON;
IDSetSwitch(&FrameTypeSP, "FLISetFrameType() failed. %s.\n", strerror((int)-err));
IDLog("FLISetFrameType() failed. %s.\n", strerror((int)-err));
return;
}
IUResetSwitches(&FrameTypeSP);
sp->s = ISS_ON;
FrameTypeSP.s = IPS_OK;
IDSetSwitch(&FrameTypeSP, NULL);
break;
}
} /* For loop */
return;
}
}
void ISNewText (const char *dev, const char *name, char *texts[], char *names[], int n)
{
ISInit();
/* ignore if not ours */
if (dev && strcmp (mydev, dev))
return;
/* suppress warning */
n=n; dev=dev; name=name; names=names; texts=texts;
}
void ISNewNumber (const char *dev, const char *name, double values[], char *names[], int n)
{
long err;
int i;
INumber *np;
char errmsg[ERRMSG_SIZE];
/* ignore if not ours */
if (dev && strcmp (dev, mydev))
return;
ISInit();
/* Exposure time */
if (!strcmp (ExposeTimeNP.name, name))
{
if (checkPowerN(&ExposeTimeNP))
return;
if (ExposeTimeNP.s == IPS_BUSY)
{
if ( (err = FLICancelExposure(fli_dev)))
{
ExposeTimeNP.s = IPS_IDLE;
IDSetNumber(&ExposeTimeNP, "FLICancelExposure() failed. %s.", strerror((int)-err));
IDLog("FLICancelExposure() failed. %s.\n", strerror((int)-err));
return;
}
ExposeTimeNP.s = IPS_IDLE;
ExposeTimeN[0].value = 0;
IDSetNumber(&ExposeTimeNP, "Exposure cancelled.");
IDLog("Exposure Cancelled.\n");
return;
}
ExposeTimeNP.s = IPS_IDLE;
np = IUFindNumber(&ExposeTimeNP, names[0]);
if (!np)
{
IDSetNumber(&ExposeTimeNP, "Error: %s is not a member of %s property.", names[0], name);
return;
}
np->value = values[0];
FLIImg->expose = (int) (values[0] * 1000.);
/* Set duration */
if ( (err = FLISetExposureTime(fli_dev, np->value * 1000.) ))
{
IDSetNumber(&ExposeTimeNP, "FLISetExposureTime() failed. %s.\n", strerror((int)-err));
IDLog("FLISetExposureTime() failed. %s.\n", strerror((int)-err));
return;
}
IDLog("Exposure Time (ms) is: %g\n", np->value * 1000.);
handleExposure(NULL);
return;
}
if (!strcmp(TemperatureNP.name, name))
{
if (checkPowerN(&TemperatureNP))
return;
TemperatureNP.s = IPS_IDLE;
np = IUFindNumber(&TemperatureNP, names[0]);
if (!np)
{
IDSetNumber(&TemperatureNP, "Unknown error. %s is not a member of %s property.", names[0], name);
return;
}
if (values[0] < MIN_CCD_TEMP || values[0] > MAX_CCD_TEMP)
{
IDSetNumber(&TemperatureNP, "Error: valid range of temperature is from %d to %d", MIN_CCD_TEMP, MAX_CCD_TEMP);
return;
}
if ( (err = FLISetTemperature(fli_dev, values[0])))
{
IDSetNumber(&TemperatureNP, "FLISetTemperature() failed. %s.", strerror((int)-err));
IDLog("FLISetTemperature() failed. %s.", strerror((int)-err));
return;
}
FLICam->temperature = values[0];
TemperatureNP.s = IPS_BUSY;
IDSetNumber(&TemperatureNP, "Setting CCD temperature to %+06.2f C", values[0]);
IDLog("Setting CCD temperature to %+06.2f C\n", values[0]);
return;
}
if (!strcmp(FrameNP.name, name))
{
int nset=0;
if (checkPowerN(&FrameNP))
return;
FrameNP.s = IPS_IDLE;
for (i=0; i < n ; i++)
{
np = IUFindNumber(&FrameNP, names[i]);
if (!np)
{
IDSetNumber(&FrameNP, "Unknown error. %s is not a member of %s property.", names[0], name);
return;
}
/* X or Width */
if (np == &FrameN[0] || np==&FrameN[2])
{
if (values[i] < 0 || values[i] > FLICam->width)
break;
nset++;
np->value = values[i];
}
/* Y or height */
else if (np == &FrameN[1] || np==&FrameN[3])
{
if (values[i] < 0 || values[i] > FLICam->height)
break;
nset++;
np->value = values[i];
}
}
if (nset < 4)
{
IDSetNumber(&FrameNP, "Invalid range. Valid range is (0,0) - (%0d,%0d)", FLICam->width, FLICam->height);
IDLog("Invalid range. Valid range is (0,0) - (%0d,%0d)", FLICam->width, FLICam->height);
return;
}
if (setImageArea(errmsg))
{
IDSetNumber(&FrameNP, "%s", errmsg);
return;
}
FrameNP.s = IPS_OK;
/* Adjusting image width and height */
FLIImg->width = FrameN[2].value;
FLIImg->height = FrameN[3].value;
IDSetNumber(&FrameNP, NULL);
} /* end FrameNP */
if (!strcmp(BinningNP.name, name))
{
if (checkPowerN(&BinningNP))
return;
BinningNP.s = IPS_IDLE;
for (i=0 ; i < n ; i++)
{
np = IUFindNumber(&BinningNP, names[i]);
if (!np)
{
IDSetNumber(&BinningNP, "Unknown error. %s is not a member of %s property.", names[0], name);
return;
}
/* X binning */
if (np == &BinningN[0])
{
if (values[i] < 1 || values[i] > MAX_X_BIN)
{
IDSetNumber(&BinningNP, "Error: Valid X bin values are from 1 to %g", MAX_X_BIN);
IDLog("Error: Valid X bin values are from 1 to %g", MAX_X_BIN);
return;
}
if ( (err = FLISetHBin(fli_dev, values[i])))
{
IDSetNumber(&BinningNP, "FLISetHBin() failed. %s.", strerror((int)-err));
IDLog("FLISetHBin() failed. %s.", strerror((int)-err));
return;
}
np->value = values[i];
}
else if (np == &BinningN[1])
{
if (values[i] < 1 || values[i] > MAX_Y_BIN)
{
IDSetNumber(&BinningNP, "Error: Valid Y bin values are from 1 to %g", MAX_Y_BIN);
IDLog("Error: Valid X bin values are from 1 to %g", MAX_Y_BIN);
return;
}
if ( (err = FLISetVBin(fli_dev, values[i])))
{
IDSetNumber(&BinningNP, "FLISetVBin() failed. %s.", strerror((int)-err));
IDLog("FLISetVBin() failed. %s.", strerror((int)-err));
return;
}
np->value = values[i];
}
} /* end for */
if (setImageArea(errmsg))
{
IDSetNumber(&BinningNP, errmsg, NULL);
IDLog("%s", errmsg);
return;
}
BinningNP.s = IPS_OK;
IDLog("Binning is: %.0f x %.0f\n", BinningN[0].value, BinningN[1].value);
IDSetNumber(&BinningNP, NULL);
return;
}
}
void ISPoll(void *p)
{
long err;
long timeleft;
double ccdTemp;
if (!isCCDConnected())
{
IEAddTimer (POLLMS, ISPoll, NULL);
return;
}
/*IDLog("In Poll.\n");*/
switch (ExposeTimeNP.s)
{
case IPS_IDLE:
break;
case IPS_OK:
break;
case IPS_BUSY:
if ( (err = FLIGetExposureStatus(fli_dev, &timeleft)))
{
ExposeTimeNP.s = IPS_IDLE;
ExposeTimeN[0].value = 0;
IDSetNumber(&ExposeTimeNP, "FLIGetExposureStatus() failed. %s.", strerror((int)-err));
IDLog("FLIGetExposureStatus() failed. %s.\n", strerror((int)-err));
break;
}
/*ExposeProgressN[0].value = (timeleft / 1000.);*/
if (timeleft > 0)
{
ExposeTimeN[0].value = timeleft / 1000.;
IDSetNumber(&ExposeTimeNP, NULL);
break;
}
/*{
IDSetNumber(&ExposeProgressNP, NULL);
break;
}*/
/* We're done exposing */
ExposeTimeNP.s = IPS_IDLE;
ExposeTimeN[0].value = 0;
/*ExposeProgressNP.s = IPS_IDLE;*/
IDSetNumber(&ExposeTimeNP, "Exposure done, downloading image...");
IDLog("Exposure done, downloading image...\n");
/*IDSetNumber(&ExposeProgressNP, NULL);*/
/* grab and save image */
if (grabImage())
break;
/* Multiple image exposure
if ( imagesLeft > 0)
{
IDMessage(mydev, "Image #%d will be taken in %0.f seconds.", imageCount+1, DelayN[0].value);
IDLog("Image #%d will be taken in %0.f seconds.", imageCount+1, DelayN[0].value);
IEAddTimer (DelayN[0].value * 1000., handleExposure, NULL);
}*/
break;
case IPS_ALERT:
break;
}
switch (TemperatureNP.s)
{
case IPS_IDLE:
case IPS_OK:
if ( (err = FLIGetTemperature(fli_dev, &ccdTemp)))
{
TemperatureNP.s = IPS_IDLE;
IDSetNumber(&TemperatureNP, "FLIGetTemperature() failed. %s.", strerror((int)-err));
IDLog("FLIGetTemperature() failed. %s.", strerror((int)-err));
return;
}
if (fabs(TemperatureN[0].value - ccdTemp) >= TEMP_THRESHOLD)
{
TemperatureN[0].value = ccdTemp;
IDSetNumber(&TemperatureNP, NULL);
}
break;
case IPS_BUSY:
if ((err = FLIGetTemperature(fli_dev, &ccdTemp)))
{
TemperatureNP.s = IPS_ALERT;
IDSetNumber(&TemperatureNP, "FLIGetTemperature() failed. %s.", strerror((int)-err));
IDLog("FLIGetTemperature() failed. %s.", strerror((int)-err));
return;
}
if (fabs(FLICam->temperature - ccdTemp) <= TEMP_THRESHOLD)
TemperatureNP.s = IPS_OK;
TemperatureN[0].value = ccdTemp;
IDSetNumber(&TemperatureNP, NULL);
break;
case IPS_ALERT:
break;
}
p=p;
IEAddTimer (POLLMS, ISPoll, NULL);
}
/* Sets the Image area that the CCD will scan and download.
We compensate for binning. */
int setImageArea(char errmsg[])
{
long x_1, y_1, x_2, y_2;
long err;
/* Add the X and Y offsets */
x_1 = FrameN[0].value + FLICam->Visible_Area[0];
y_1 = FrameN[1].value + FLICam->Visible_Area[1];
x_2 = x_1 + (FrameN[2].value / BinningN[0].value);
y_2 = y_1 + (FrameN[3].value / BinningN[1].value);
if (x_2 > FLICam->Visible_Area[2])
x_2 = FLICam->Visible_Area[2];
if (y_2 > FLICam->Visible_Area[3])
y_2 = FLICam->Visible_Area[3];
IDLog("The Final image area is (%ld, %ld), (%ld, %ld)\n", x_1, y_1, x_2, y_2);
FLIImg->width = x_2 - x_1;
FLIImg->height = y_2 - y_1;
if ( (err = FLISetImageArea(fli_dev, x_1, y_1, x_2, y_2) ))
{
snprintf(errmsg, ERRMSG_SIZE, "FLISetImageArea() failed. %s.\n", strerror((int)-err));
IDLog("%s", errmsg);
return -1;
}
return 0;
}
/* Downloads the image from the CCD row by row and store them
in a raw file.
N.B. No processing is done on the image */
int grabImage()
{
long err;
int img_size,i, fd;
char errmsg[ERRMSG_SIZE];
char filename[] = "/tmp/fitsXXXXXX";
if ((fd = mkstemp(filename)) < 0)
{
IDMessage(mydev, "Error making temporary filename.");
IDLog("Error making temporary filename.\n");
return -1;
}
close(fd);
img_size = FLIImg->width * FLIImg->height * sizeof(unsigned short);
FLIImg->img = malloc (img_size);
if (FLIImg->img == NULL)
{
IDMessage(mydev, "Not enough memory to store image.");
IDLog("Not enough memory to store image.\n");
return -1;
}
for (i=0; i < FLIImg->height ; i++)
{
if ( (err = FLIGrabRow(fli_dev, &FLIImg->img[i * FLIImg->width], FLIImg->width)))
{
free(FLIImg->img);
IDMessage(mydev, "FLIGrabRow() failed at row %d. %s.", i, strerror((int)-err));
IDLog("FLIGrabRow() failed at row %d. %s.\n", i, strerror((int)-err));
return -1;
}
}
IDMessage(mydev, "Download complete.\n");
/*err = (ImageFormatS[0].s == ISS_ON) ? writeFITS(FileNameT[0].text, errmsg) : writeRAW(FileNameT[0].text, errmsg);*/
err = writeFITS(filename, errmsg);
if (err)
{
free(FLIImg->img);
IDMessage(mydev, errmsg, NULL);
return -1;
}
free(FLIImg->img);
return 0;
}
int writeFITS(const char* filename, char errmsg[])
{
FITS_FILE* ofp;
int i, j, bpp, bpsl, width, height;
long nbytes;
FITS_HDU_LIST *hdu;
ofp = fits_open (filename, "w");
if (!ofp)
{
snprintf(errmsg, ERRMSG_SIZE, "Error: cannot open file for writing.");
return (-1);
}
width = FLIImg->width;
height = FLIImg->height;
bpp = sizeof(unsigned short); /* Bytes per Pixel */
bpsl = bpp * FLIImg->width; /* Bytes per Line */
nbytes = 0;
hdu = create_fits_header (ofp, width, height, bpp);
if (hdu == NULL)
{
snprintf(errmsg, ERRMSG_SIZE, "Error: creating FITS header failed.");
return (-1);
}
if (fits_write_header (ofp, hdu) < 0)
{
snprintf(errmsg, ERRMSG_SIZE, "Error: writing to FITS header failed.");
return (-1);
}
/* Convert buffer to BIG endian */
for (i=0; i < FLIImg->height; i++)
for (j=0 ; j < FLIImg->width; j++)
FLIImg->img[FLIImg->width * i + j] = getBigEndian( (FLIImg->img[FLIImg->width * i + j]) );
for (i= 0; i < FLIImg->height ; i++)
{
fwrite(FLIImg->img + (i * FLIImg->width), 2, FLIImg->width, ofp->fp);
nbytes += bpsl;
}
nbytes = nbytes % FITS_RECORD_SIZE;
if (nbytes)
{
while (nbytes++ < FITS_RECORD_SIZE)
putc (0, ofp->fp);
}
if (ferror (ofp->fp))
{
snprintf(errmsg, ERRMSG_SIZE, "Error: write error occured");
return (-1);
}
fits_close (ofp);
/* Success */
ExposeTimeNP.s = IPS_OK;
/*IDSetNumber(&ExposeTimeNP, "FITS image written to %s", filename);
IDLog("FITS image written to '%s'\n", filename);*/
IDSetNumber(&ExposeTimeNP, NULL);
IDLog("Loading FITS image...\n");
uploadFile(filename);
return 0;
}
void uploadFile(const char* filename)
{
FILE * fitsFile;
unsigned char *fitsData, *compressedData;
int r=0;
unsigned int i =0, nr = 0;
uLongf compressedBytes=0;
uLong totalBytes;
struct stat stat_p;
if ( -1 == stat (filename, &stat_p))
{
IDLog(" Error occoured attempting to stat file.\n");
return;
}
totalBytes = stat_p.st_size;
fitsData = (unsigned char *) malloc (sizeof(unsigned char) * totalBytes);
compressedData = (unsigned char *) malloc (sizeof(unsigned char) * totalBytes + totalBytes / 64 + 16 + 3);
if (fitsData == NULL || compressedData == NULL)
{
IDLog("Error! low memory. Unable to initialize fits buffers.\n");
return;
}
fitsFile = fopen(filename, "r");
if (fitsFile == NULL)
return;
/* #1 Read file from disk */
for (i=0; i < totalBytes; i+= nr)
{
nr = fread(fitsData + i, 1, totalBytes - i, fitsFile);
if (nr <= 0)
{
IDLog("Error reading temporary FITS file.\n");
return;
}
}
compressedBytes = sizeof(char) * totalBytes + totalBytes / 64 + 16 + 3;
/* #2 Compress it */
r = compress2(compressedData, &compressedBytes, fitsData, totalBytes, 9);
if (r != Z_OK)
{
/* this should NEVER happen */
IDLog("internal error - compression failed: %d\n", r);
return;
}
/* #3 Send it */
imageB.blob = compressedData;
imageB.bloblen = compressedBytes;
imageB.size = totalBytes;
strcpy(imageB.format, ".fits.z");
imageBP.s = IPS_OK;
IDSetBLOB (&imageBP, NULL);
free (fitsData);
free (compressedData);
}
/* Initiates the exposure procedure */
void handleExposure(void *p)
{
long err;
/* no warning */
p=p;
/* BIAS frame is the same as DARK but with minimum period. i.e. readout from camera electronics.
*/
if (FLIImg->frameType == BIAS_FRAME)
{
if ((err = FLISetExposureTime(fli_dev, 50)))
{
ExposeTimeNP.s = IPS_IDLE;
IDSetNumber(&ExposeTimeNP, "FLISetExposureTime() failed. %s.\n", strerror((int)-err));
IDLog("FLISetExposureTime() failed. %s.\n", strerror((int)-err));
return;
}
}
if ((err = FLIExposeFrame(fli_dev)))
{
ExposeTimeNP.s = IPS_IDLE;
IDSetNumber(&ExposeTimeNP, "FLIExposeFrame() failed. %s.", strerror((int)-err));
IDLog("FLIExposeFrame() failed. %s.\n", strerror((int)-err));
return;
}
ExposeTimeNP.s = IPS_BUSY;
IDSetNumber(&ExposeTimeNP, "Taking a %g seconds frame...", FLIImg->expose / 1000.);
IDLog("Taking a frame...\n");
}
/* Retrieves basic data from the CCD upon connection like temperature, array size, firmware..etc */
void getBasicData()
{
char buff[2048];
long err;
IDLog("In getBasicData()\n");
if ((err = FLIGetModel (fli_dev, buff, 2048)))
{
IDMessage(mydev, "FLIGetModel() failed. %s.", strerror((int)-err));
IDLog("FLIGetModel() failed. %s.\n", strerror((int)-err));
return;
}
else
{
if ( (FLICam->model = malloc (sizeof(char) * 2048)) == NULL)
{
IDMessage(mydev, "malloc() failed.");
IDLog("malloc() failed.");
return;
}
strcpy(FLICam->model, buff);
}
if (( err = FLIGetHWRevision(fli_dev, &FLICam->HWRevision)))
{
IDMessage(mydev, "FLIGetHWRevision() failed. %s.", strerror((int)-err));
IDLog("FLIGetHWRevision() failed. %s.\n", strerror((int)-err));
return;
}
if (( err = FLIGetFWRevision(fli_dev, &FLICam->FWRevision)))
{
IDMessage(mydev, "FLIGetFWRevision() failed. %s.", strerror((int)-err));
IDLog("FLIGetFWRevision() failed. %s.\n", strerror((int)-err));
return;
}
if (( err = FLIGetPixelSize(fli_dev, &FLICam->x_pixel_size, &FLICam->y_pixel_size)))
{
IDMessage(mydev, "FLIGetPixelSize() failed. %s.", strerror((int)-err));
IDLog("FLIGetPixelSize() failed. %s.\n", strerror((int)-err));
return;
}
FLICam->x_pixel_size *= 1e6;
FLICam->y_pixel_size *= 1e6;
if (( err = FLIGetArrayArea(fli_dev, &FLICam->Array_Area[0], &FLICam->Array_Area[1], &FLICam->Array_Area[2], &FLICam->Array_Area[3])))
{
IDMessage(mydev, "FLIGetArrayArea() failed. %s.", strerror((int)-err));
IDLog("FLIGetArrayArea() failed. %s.\n", strerror((int)-err));
return;
}
if (( err = FLIGetVisibleArea( fli_dev, &FLICam->Visible_Area[0], &FLICam->Visible_Area[1], &FLICam->Visible_Area[2], &FLICam->Visible_Area[3])))
{
IDMessage(mydev, "FLIGetVisibleArea() failed. %s.", strerror((int)-err));
IDLog("FLIGetVisibleArea() failed. %s.\n", strerror((int)-err));
}
if (( err = FLIGetTemperature(fli_dev, &FLICam->temperature)))
{
IDMessage(mydev, "FLIGetTemperature() failed. %s.", strerror((int)-err));
IDLog("FLIGetTemperature() failed. %s.\n", strerror((int)-err));
return;
}
IDLog("The CCD Temperature is %f.\n", FLICam->temperature);
PixelSizeN[0].value = FLICam->x_pixel_size; /* Pixel width (um) */
PixelSizeN[1].value = FLICam->y_pixel_size; /* Pixel height (um) */
TemperatureN[0].value = FLICam->temperature; /* CCD chip temperatre (degrees C) */
FrameN[0].value = 0; /* X */
FrameN[1].value = 0; /* Y */
FrameN[2].value = FLICam->Visible_Area[2] - FLICam->Visible_Area[0]; /* Frame Width */
FrameN[3].value = FLICam->Visible_Area[3] - FLICam->Visible_Area[1]; /* Frame Height */
FLICam->width = FLIImg->width = FrameN[2].value;
FLICam->height = FLIImg->width = FrameN[3].value;
BinningN[0].value = BinningN[1].value = 1;
IDLog("The Camera Width is %d ---- %d\n", (int) FLICam->width, (int) FrameN[2].value);
IDLog("The Camera Height is %d ---- %d\n", (int) FLICam->height, (int) FrameN[3].value);
IDSetNumber(&PixelSizeNP, NULL);
IDSetNumber(&TemperatureNP, NULL);
IDSetNumber(&FrameNP, NULL);
IDSetNumber(&BinningNP, NULL);
IDLog("Exiting getBasicData()\n");
}
int manageDefaults(char errmsg[])
{
long err;
int exposeTimeMS;
exposeTimeMS = (int) (ExposeTimeN[0].value * 1000.);
IDLog("Setting default exposure time of %d ms.\n", exposeTimeMS);
if ( (err = FLISetExposureTime(fli_dev, exposeTimeMS) ))
{
snprintf(errmsg, ERRMSG_SIZE, "FLISetExposureTime() failed. %s.\n", strerror((int)-err));
IDLog(errmsg, NULL);
return -1;
}
/* Default frame type is NORMAL */
if ( (err = FLISetFrameType(fli_dev, FLI_FRAME_TYPE_NORMAL) ))
{
snprintf(errmsg, ERRMSG_SIZE, "FLISetFrameType() failed. %s.\n", strerror((int)-err));
IDLog(errmsg, NULL);
return -1;
}
/* X horizontal binning */
if ( (err = FLISetHBin(fli_dev, BinningN[0].value) ))
{
snprintf(errmsg, ERRMSG_SIZE, "FLISetBin() failed. %s.\n", strerror((int)-err));
IDLog(errmsg, NULL);
return -1;
}
/* Y vertical binning */
if ( (err = FLISetVBin(fli_dev, BinningN[1].value) ))
{
snprintf(errmsg, ERRMSG_SIZE, "FLISetVBin() failed. %s.\n", strerror((int)-err));
IDLog(errmsg, NULL);
return -1;
}
IDLog("Setting default binning %f x %f.\n", BinningN[0].value, BinningN[1].value);
FLISetNFlushes(fli_dev, NFLUSHES);
/* Set image area */
if (setImageArea(errmsg))
return -1;
/* Success */
return 0;
}
int getOnSwitch(ISwitchVectorProperty *sp)
{
int i=0;
for (i=0; i < sp->nsp ; i++)
{
/*IDLog("Switch %s is %s\n", sp->sp[i].name, sp->sp[i].s == ISS_ON ? "On" : "Off");*/
if (sp->sp[i].s == ISS_ON)
return i;
}
return -1;
}
int checkPowerS(ISwitchVectorProperty *sp)
{
if (PowerSP.s != IPS_OK)
{
if (!strcmp(sp->label, ""))
IDMessage (mydev, "Cannot change property %s while the CCD is offline.", sp->name);
else
IDMessage (mydev, "Cannot change property %s while the CCD is offline.", sp->label);
sp->s = IPS_IDLE;
IDSetSwitch(sp, NULL);
return -1;
}
return 0;
}
int checkPowerN(INumberVectorProperty *np)
{
if (PowerSP.s != IPS_OK)
{
if (!strcmp(np->label, ""))
IDMessage (mydev, "Cannot change property %s while the CCD is offline.", np->name);
else
IDMessage (mydev, "Cannot change property %s while the CCD is offline.", np->label);
np->s = IPS_IDLE;
IDSetNumber(np, NULL);
return -1;
}
return 0;
}
int checkPowerT(ITextVectorProperty *tp)
{
if (PowerSP.s != IPS_OK)
{
if (!strcmp(tp->label, ""))
IDMessage (mydev, "Cannot change property %s while the CCD is offline.", tp->name);
else
IDMessage (mydev, "Cannot change property %s while the CCD is offline.", tp->label);
tp->s = IPS_IDLE;
IDSetText(tp, NULL);
return -1;
}
return 0;
}
void connectCCD()
{
long err;
char errmsg[ERRMSG_SIZE];
IDLog ("In ConnectCCD\n");
/* USB by default {USB, SERIAL, PARALLEL, INET} */
switch (PowerS[0].s)
{
case ISS_ON:
IDLog("Current portSwitch is %d\n", portSwitchIndex);
IDLog("Attempting to find the camera in domain %ld\n", Domains[portSwitchIndex]);
if (findcam(Domains[portSwitchIndex])) {
PowerSP.s = IPS_IDLE;
PowerS[0].s = ISS_OFF;
PowerS[1].s = ISS_ON;
IDSetSwitch(&PowerSP, "Error: no cameras were detected.");
IDLog("Error: no cameras were detected.\n");
return;
}
if ((err = FLIOpen(&fli_dev, FLICam->name, FLIDEVICE_CAMERA | FLICam->domain)))
{
PowerSP.s = IPS_IDLE;
PowerS[0].s = ISS_OFF;
PowerS[1].s = ISS_ON;
IDSetSwitch(&PowerSP, "Error: FLIOpen() failed. %s.", strerror( (int) -err));
IDLog("Error: FLIOpen() failed. %s.\n", strerror( (int) -err));
return;
}
/* Sucess! */
PowerS[0].s = ISS_ON;
PowerS[1].s = ISS_OFF;
PowerSP.s = IPS_OK;
IDSetSwitch(&PowerSP, "CCD is online. Retrieving basic data.");
IDLog("CCD is online. Retrieving basic data.\n");
getBasicData();
if (manageDefaults(errmsg))
{
IDMessage(mydev, errmsg, NULL);
IDLog("%s", errmsg);
return;
}
break;
case ISS_OFF:
PowerS[0].s = ISS_OFF;
PowerS[1].s = ISS_ON;
PowerSP.s = IPS_IDLE;
if ((err = FLIClose(fli_dev))) {
PowerSP.s = IPS_IDLE;
PowerS[0].s = ISS_OFF;
PowerS[1].s = ISS_ON;
IDSetSwitch(&PowerSP, "Error: FLIClose() failed. %s.", strerror( (int) -err));
IDLog("Error: FLIClose() failed. %s.\n", strerror( (int) -err));
return;
}
IDSetSwitch(&PowerSP, "CCD is offline.");
break;
}
}
/* isCCDConnected: return 1 if we have a connection, 0 otherwise */
int isCCDConnected(void)
{
return ((PowerS[0].s == ISS_ON) ? 1 : 0);
}
int findcam(flidomain_t domain)
{
char **tmplist;
long err;
IDLog("In find Camera, the domain is %ld\n", domain);
if (( err = FLIList(domain | FLIDEVICE_CAMERA, &tmplist)))
{
IDLog("FLIList() failed. %s\n", strerror((int)-err));
return -1;
}
if (tmplist != NULL && tmplist[0] != NULL)
{
int i;
IDLog("Trying to allocate memory to FLICam\n");
if ((FLICam = malloc (sizeof (cam_t))) == NULL)
{
IDLog("malloc() failed.\n");
return -1;
}
for (i = 0; tmplist[i] != NULL; i++)
{
int j;
for (j = 0; tmplist[i][j] != '\0'; j++)
if (tmplist[i][j] == ';')
{
tmplist[i][j] = '\0';
break;
}
}
FLICam->domain = domain;
switch (domain)
{
case FLIDOMAIN_PARALLEL_PORT:
FLICam->dname = strdup("parallel port");
break;
case FLIDOMAIN_USB:
FLICam->dname = strdup("USB");
break;
case FLIDOMAIN_SERIAL:
FLICam->dname = strdup("serial");
break;
case FLIDOMAIN_INET:
FLICam->dname = strdup("inet");
break;
default:
FLICam->dname = strdup("Unknown domain");
}
FLICam->name = strdup(tmplist[0]);
if ((err = FLIFreeList(tmplist)))
{
IDLog("FLIFreeList() failed. %s.\n", strerror((int)-err));
return -1;
}
} /* end if */
else
{
if ((err = FLIFreeList(tmplist)))
{
IDLog("FLIFreeList() failed. %s.\n", strerror((int)-err));
return -1;
}
return -1;
}
IDLog("Findcam() finished successfully.\n");
return 0;
}
FITS_HDU_LIST * create_fits_header (FITS_FILE *ofp, uint width, uint height, uint bpp)
{
FITS_HDU_LIST *hdulist;
char temp_s[80], expose_s[80], binning_s[80], pixel_s[80], frame_s[80];
char obsDate[80];
char ts[32];
struct tm *tp;
time_t t;
time (&t);
tp = gmtime (&t);
strftime (ts, sizeof(ts), "%Y-%m-%dT%H:%M:%S", tp);
snprintf(obsDate, 80, "DATE-OBS= '%s' /Observation Date UTC", ts);
hdulist = fits_add_hdu (ofp);
if (hdulist == NULL) return (NULL);
hdulist->used.simple = 1;
hdulist->bitpix = 16;/*sizeof(unsigned short) * 8;*/
hdulist->naxis = 2;
hdulist->naxisn[0] = width;
hdulist->naxisn[1] = height;
hdulist->naxisn[2] = bpp;
hdulist->used.datamin = 1;
hdulist->datamin = min();
hdulist->used.datamax = 1;
hdulist->datamax = max();
hdulist->used.bzero = 1;
hdulist->bzero = 0.0;
hdulist->used.bscale = 1;
hdulist->bscale = 1.0;
sprintf(temp_s, "CCD-TEMP= %g / degrees celcius", TemperatureN[0].value);
sprintf(expose_s, "EXPOSURE= %d / milliseconds", FLIImg->expose);
sprintf(binning_s, "BINNING = '(%g x %g)'", BinningN[0].value, BinningN[1].value);
sprintf(pixel_s, "PIX-SIZ = '%.0f microns square'", PixelSizeN[0].value);
switch (FLIImg->frameType)
{
case LIGHT_FRAME:
strcpy(frame_s, "FRAME = 'Light'");
break;
case BIAS_FRAME:
strcpy(frame_s, "FRAME = 'Bias'");
break;
case FLAT_FRAME:
strcpy(frame_s, "FRAME = 'Flat Field'");
break;
case DARK_FRAME:
strcpy(frame_s, "FRAME = 'Dark'");
break;
}
fits_add_card (hdulist, frame_s);
fits_add_card (hdulist, temp_s);
fits_add_card (hdulist, expose_s);
fits_add_card (hdulist, pixel_s);
fits_add_card (hdulist, ( char* ) "INSTRUME= 'Finger Lakes Instruments'");
fits_add_card (hdulist, obsDate);
return (hdulist);
}
double min()
{
double lmin = FLIImg->img[0];
int ind=0, i, j;
for (i= 0; i < FLIImg->height ; i++)
for (j= 0; j < FLIImg->width; j++)
{
ind = (i * FLIImg->width) + j;
if (FLIImg->img[ind] < lmin) lmin = FLIImg->img[ind];
}
return lmin;
}
double max()
{
double lmax = FLIImg->img[0];
int ind=0, i, j;
for (i= 0; i < FLIImg->height ; i++)
for (j= 0; j < FLIImg->width; j++)
{
ind = (i * FLIImg->width) + j;
if (FLIImg->img[ind] > lmax) lmax = FLIImg->img[ind];
}
return lmax;
}
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