//
// Exposure helpers
//
/// <summary>
/// Waits for any exposure in progress to complete, ends it, and reads it out into a 2D ushort array
/// </summary>
public static ushort[,] WaitEndAndReadoutExposure(StartExposureParams2 sep)
{
// wait for the exposure to be done
QueryCommandStatusParams qcsp = new QueryCommandStatusParams(Cmd.CC_START_EXPOSURE);
QueryCommandStatusResults qcsr = new QueryCommandStatusResults(Error.CE_NO_ERROR);
while (Error.CE_NO_EXPOSURE_IN_PROGRESS != qcsr.status)
{
qcsr = UnivDrvCommand <QueryCommandStatusResults>(Cmd.CC_QUERY_COMMAND_STATUS, qcsp);
}
// prepare the CCD for readout
UnivDrvCommand(Cmd.CC_END_EXPOSURE, new EndExposureParams(CCD.Imaging));
// then telling it where and how we're going to read
StartReadoutParams srp = new StartReadoutParams();
srp.ccd = CCD.Imaging;
srp.readoutMode = 0;
srp.left = 0;
srp.top = 0;
srp.width = sep.width;
srp.height = sep.height;
UnivDrvCommand(Cmd.CC_START_READOUT, srp);
// allocate the image buffer
ushort[,] data = new ushort[sep.height, sep.width];
GCHandle datagch = GCHandle.Alloc(data, GCHandleType.Pinned);
IntPtr dataptr = datagch.AddrOfPinnedObject();
// put the data into it
ReadoutLineParams rlp = new ReadoutLineParams();
rlp.ccd = CCD.Imaging;
rlp.pixelStart = 0;
rlp.pixelLength = sep.width;
rlp.readoutMode = 0;
GCHandle rlpgch = GCHandle.Alloc(rlp, GCHandleType.Pinned);
// get the image from the camera, line by line
for (int i = 0; i < sep.height; i++)
{
SBIGUnivDrvCommand(Cmd.CC_READOUT_LINE, rlpgch.AddrOfPinnedObject(), dataptr + (i * sep.width * sizeof(ushort)));
}
// cleanup our memory goo
rlpgch.Free();
datagch.Free();
/*Bitmap b3 = new Bitmap(sep.width, sep.height, PixelFormat.Format16bppGrayScale);
* BitmapData bd = b3.LockBits(new Rectangle(0, 0, sep.width, sep.height), ImageLockMode.WriteOnly, PixelFormat.Format16bppGrayScale);
* bd.Scan0 = datagch.AddrOfPinnedObject();
* b3.UnlockBits(bd);
* Color c2 = b3.GetPixel(0, 0);
* Bitmap bmp = new Bitmap(sep.width, sep.height, sep.width * sizeof(ushort), PixelFormat.Format16bppGrayScale, datagch.AddrOfPinnedObject());
* bmp.Save("foo.bmp");
* bmp.Dispose();*/
return(data);
}
static void Main(string[] args)
{
#region 初始化
// initialize the driver
UnivDrvCommand(PAR_COMMAND.CC_OPEN_DRIVER);
// connect to the camera
UnivDrvCommand(
PAR_COMMAND.CC_OPEN_DEVICE,
new OpenDeviceParams
{
deviceType = SBIG_DEVICE_TYPE.DEV_USB
});
var cameraType = EstablishLink();
// start an exposure
StartExposureParams2 sep2 = new StartExposureParams2
{
ccd = CCD_REQUEST.CCD_IMAGING,
abgState = ABG_STATE7.ABG_LOW7,
openShutter = SHUTTER_COMMAND.SC_LEAVE_SHUTTER,
readoutMode = READOUT_BINNING_MODE.RM_1X1,
exposureTime = 10,
left = 1648, // 3296/2
top = 1236, // 2472/2
width = 100,
height = 100,
};
#endregion
var s_expo = DateTime.Now;
Exposure(sep2);
WaitExposure();
var e_expo = DateTime.Now;
Console.WriteLine($"Exposure {e_expo - s_expo}");
var s_sr = DateTime.Now;
AbortExposure(sep2);
var srp = new StartReadoutParams
{
ccd = sep2.ccd,
readoutMode = sep2.readoutMode,
left = sep2.left,
top = sep2.top,
width = sep2.width,
height = sep2.height
};
UnivDrvCommand(PAR_COMMAND.CC_START_READOUT, srp);
var e_sr = DateTime.Now;
Console.WriteLine($"StartReadout { e_sr - s_sr}");
// read a TDI line
// input params
var rlp = new ReadoutLineParams
{
ccd = sep2.ccd,
readoutMode = sep2.readoutMode,
pixelStart = srp.left,
pixelLength = srp.width
};
// output
var data = new ushort[rlp.pixelLength];
// do it a lot
var s_rl = DateTime.Now;
for (int i = 0; i < srp.height; i++)
{
UnivDrvCommand(PAR_COMMAND.CC_READOUT_LINE, rlp, out data);
}
var e_rl = DateTime.Now;
Console.WriteLine($"Read Line {e_rl - s_rl}");
#region 結束
// clean up
UnivDrvCommand(PAR_COMMAND.CC_CLOSE_DEVICE);
UnivDrvCommand(PAR_COMMAND.CC_CLOSE_DRIVER);
#endregion
}
