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cam_ascom.cpp
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cam_ascom.cpp
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/*
* cam_ascom.cpp
* PHD2 Guiding
*
* Created by Craig Stark.
* Copyright (c) 2010 Craig Stark
* Copyright (c) 2013-2020 Andy Galasso
* All rights reserved.
*
* This source code is distributed under the following "BSD" license
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* Neither the name of Craig Stark, Stark Labs, openphdguiding.org nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "phd.h"
#if defined(ASCOM_CAMERA)
#include "camera.h"
#include "comdispatch.h"
#include "time.h"
#include "image_math.h"
#include "wx/stopwatch.h"
#include <wx/wfstream.h>
#include <wx/txtstrm.h>
#include <wx/stdpaths.h>
#include "cam_ascom.h"
#include <wx/msw/ole/oleutils.h>
#include <comdef.h>
class CameraASCOM : public GuideCamera
{
GITEntry m_gitEntry;
int DriverVersion;
wxString m_choice; // name of chosen camera
wxRect m_roi;
wxSize m_maxSize;
bool m_swapAxes;
bool m_canAbortExposure;
bool m_canStopExposure;
bool m_canSetCoolerTemperature;
bool m_canGetCoolerPower;
wxByte m_bitsPerPixel;
wxByte m_curBin;
double m_driverPixelSize;
public:
bool Color;
CameraASCOM(const wxString& choice);
~CameraASCOM();
bool Capture(int duration, usImage& img, int options, const wxRect& subframe) override;
bool HasNonGuiCapture() override;
bool Connect(const wxString& camId) override;
bool Disconnect() override;
void ShowPropertyDialog() override;
bool ST4PulseGuideScope(int direction, int duration) override;
wxByte BitsPerPixel() override;
bool GetDevicePixelSize(double *devPixelSize) override;
bool SetCoolerOn(bool on) override;
bool SetCoolerSetpoint(double temperature) override;
bool GetCoolerStatus(bool *on, double *setpoint, double *power, double *temperature) override;
bool GetSensorTemperature(double *temperature) override;
private:
bool Create(DispatchObj *obj, DispatchClass *cls);
bool AbortExposure();
bool ST4HasNonGuiMove() override;
};
// Frequently used IDs
static DISPID dispid_setxbin, dispid_setybin, dispid_startx, dispid_starty,
dispid_numx, dispid_numy,
dispid_startexposure, dispid_abortexposure, dispid_stopexposure,
dispid_imageready, dispid_imagearray,
dispid_ispulseguiding, dispid_pulseguide,
dispid_cooleron, dispid_coolerpower, dispid_ccdtemperature, dispid_setccdtemperature;
inline static void LogExcep(HRESULT hr, const wxString& prefix, const EXCEPINFO& excep)
{
Debug.Write(wxString::Format("%s: [%x] %s\n", prefix, hr, _com_error(hr).ErrorMessage()));
if (hr == DISP_E_EXCEPTION)
Debug.AddLine(ExcepMsg(prefix, excep));
}
static bool ASCOM_SetBin(IDispatch *cam, int binning, EXCEPINFO *excep)
{
// returns true on error, false if OK
Debug.Write(wxString::Format("ASCOM Camera: set binning = %hu\n", binning));
VARIANTARG rgvarg[1];
rgvarg[0].vt = VT_I2;
rgvarg[0].iVal = (short) binning;
DISPID dispidNamed = DISPID_PROPERTYPUT;
DISPPARAMS dispParms;
dispParms.cArgs = 1;
dispParms.rgvarg = rgvarg;
dispParms.cNamedArgs = 1; // PropPut kludge
dispParms.rgdispidNamedArgs = &dispidNamed;
Variant vRes;
HRESULT hr;
if (FAILED(hr = cam->Invoke(dispid_setxbin, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYPUT,
&dispParms, &vRes, excep, nullptr)))
{
LogExcep(hr, "invoke setxbin", *excep);
return true;
}
if (FAILED(hr = cam->Invoke(dispid_setybin, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYPUT,
&dispParms, &vRes, excep, nullptr)))
{
LogExcep(hr, "invoke setybin", *excep);
return true;
}
return false;
}
static bool ASCOM_SetROI(IDispatch *cam, const wxRect& roi, EXCEPINFO *excep)
{
// returns true on error, false if OK
VARIANTARG rgvarg[1];
rgvarg[0].vt = VT_I4;
DISPID dispidNamed = DISPID_PROPERTYPUT;
DISPPARAMS dispParms;
dispParms.cArgs = 1;
dispParms.rgvarg = rgvarg;
dispParms.cNamedArgs = 1; // PropPut kludge
dispParms.rgdispidNamedArgs = &dispidNamed;
Variant vRes;
HRESULT hr;
rgvarg[0].lVal = roi.GetLeft();
if (FAILED(hr = cam->Invoke(dispid_startx, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYPUT,
&dispParms, &vRes, excep, nullptr)))
{
LogExcep(hr, "set startx", *excep);
return true;
}
rgvarg[0].lVal = roi.GetTop();
if (FAILED(hr = cam->Invoke(dispid_starty, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYPUT,
&dispParms, &vRes, excep, nullptr)))
{
LogExcep(hr, "set starty", *excep);
return true;
}
rgvarg[0].lVal = roi.GetWidth();
if (FAILED(hr = cam->Invoke(dispid_numx, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYPUT,
&dispParms, &vRes, excep, nullptr)))
{
LogExcep(hr, "set numx", *excep);
return true;
}
rgvarg[0].lVal = roi.GetHeight();
if (FAILED(hr = cam->Invoke(dispid_numy, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYPUT,
&dispParms, &vRes, excep, nullptr)))
{
LogExcep(hr, "set numy", *excep);
return true;
}
return false;
}
static bool ASCOM_AbortExposure(IDispatch *cam, EXCEPINFO *excep)
{
// returns true on error, false if OK
DISPPARAMS dispParms;
dispParms.cArgs = 0;
dispParms.rgvarg = nullptr;
dispParms.cNamedArgs = 0;
dispParms.rgdispidNamedArgs = nullptr;
Variant vRes;
HRESULT hr;
if (FAILED(hr = cam->Invoke(dispid_abortexposure, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD,
&dispParms, &vRes, excep, nullptr)))
{
LogExcep(hr, "invoke abortexposure", *excep);
return true;
}
return false;
}
static bool ASCOM_StopExposure(IDispatch *cam, EXCEPINFO *excep)
{
// returns true on error, false if OK
DISPPARAMS dispParms;
dispParms.cArgs = 0;
dispParms.rgvarg = nullptr;
dispParms.cNamedArgs = 0;
dispParms.rgdispidNamedArgs = nullptr;
Variant vRes;
HRESULT hr;
if (FAILED(hr = cam->Invoke(dispid_stopexposure, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD,
&dispParms, &vRes, excep, nullptr)))
{
LogExcep(hr, "invoke stopexposure", *excep);
return true;
}
return false;
}
static bool ASCOM_StartExposure(IDispatch *cam, double duration, bool dark, EXCEPINFO *excep)
{
// returns true on error, false if OK
VARIANTARG rgvarg[2];
rgvarg[1].vt = VT_R8;
rgvarg[1].dblVal = duration;
rgvarg[0].vt = VT_BOOL;
rgvarg[0].boolVal = dark ? VARIANT_FALSE : VARIANT_TRUE;
DISPPARAMS dispParms;
dispParms.cArgs = 2;
dispParms.rgvarg = rgvarg;
dispParms.cNamedArgs = 0;
dispParms.rgdispidNamedArgs = nullptr;
Variant vRes;
HRESULT hr;
if (FAILED(hr = cam->Invoke(dispid_startexposure, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD,
&dispParms, &vRes, excep, nullptr)))
{
LogExcep(hr, "invoke startexposure", *excep);
return true;
}
return false;
}
static bool ASCOM_ImageReady(IDispatch *cam, bool *ready, EXCEPINFO *excep)
{
// returns true on error, false if OK
DISPPARAMS dispParms;
dispParms.cArgs = 0;
dispParms.rgvarg = nullptr;
dispParms.cNamedArgs = 0;
dispParms.rgdispidNamedArgs = nullptr;
Variant vRes;
HRESULT hr;
if (FAILED(hr = cam->Invoke(dispid_imageready, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET,
&dispParms, &vRes, excep, nullptr)))
{
LogExcep(hr, "invoke imageready", *excep);
return true;
}
*ready = vRes.boolVal != VARIANT_FALSE;
return false;
}
static bool ASCOM_Image(IDispatch *cam, usImage& img, bool is_subframe, const wxRect& roi,
wxSize *size, const wxSize& max_size, bool *swap_axes, EXCEPINFO *excep)
{
// returns true on error, false if OK
DISPPARAMS dispParms;
dispParms.cArgs = 0;
dispParms.rgvarg = nullptr;
dispParms.cNamedArgs = 0;
dispParms.rgdispidNamedArgs = nullptr;
Variant vRes;
HRESULT hr;
if (FAILED(hr = cam->Invoke(dispid_imagearray, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET,
&dispParms, &vRes, excep, nullptr)))
{
LogExcep(hr, "invoke imagearray", *excep);
return true;
}
SAFEARRAY *rawarray = vRes.parray;
long ubound1, ubound2, lbound1, lbound2;
SafeArrayGetUBound(rawarray, 1, &ubound1);
SafeArrayGetUBound(rawarray, 2, &ubound2);
SafeArrayGetLBound(rawarray, 1, &lbound1);
SafeArrayGetLBound(rawarray, 2, &lbound2);
long *rawdata;
hr = SafeArrayAccessData(rawarray, (void**)&rawdata);
if (hr != S_OK)
{
hr = SafeArrayDestroyData(rawarray);
return true;
}
long xsize = ubound1 - lbound1 + 1;
long ysize = ubound2 - lbound2 + 1;
if (!is_subframe && !*swap_axes && xsize < ysize && max_size.x > max_size.y)
{
Debug.Write(wxString::Format("ASCOM camera: array axes are flipped (%dx%d) vs (%dx%d)\n",
xsize, ysize, max_size.x, max_size.y));
*swap_axes = true;
}
if (*swap_axes)
std::swap(xsize, ysize);
if (is_subframe)
{
if (*size == UNDEFINED_FRAME_SIZE)
{
// should never happen since we arranged not to take a subframe
// unless full frame size is known
Debug.Write("internal error: taking subframe before full frame\n");
hr = SafeArrayUnaccessData(rawarray);
hr = SafeArrayDestroyData(rawarray);
return true;
}
if (img.Init(*size))
{
pFrame->Alert(_("Memory allocation error"));
hr = SafeArrayUnaccessData(rawarray);
hr = SafeArrayDestroyData(rawarray);
return true;
}
img.Clear();
img.Subframe = roi;
int i = 0;
for (int y = 0; y < roi.height; y++)
{
unsigned short *dataptr = img.ImageData + (y + roi.y) * img.Size.GetWidth() + roi.x;
for (int x = 0; x < roi.width; x++, i++)
*dataptr++ = (unsigned short) rawdata[i];
}
}
else
{
size->Set(xsize, ysize);
if (img.Init(*size))
{
pFrame->Alert(_("Memory allocation error"));
hr = SafeArrayUnaccessData(rawarray);
hr = SafeArrayDestroyData(rawarray);
return true;
}
for (unsigned int i = 0; i < img.NPixels; i++)
img.ImageData[i] = (unsigned short) rawdata[i];
}
hr = SafeArrayUnaccessData(rawarray);
hr = SafeArrayDestroyData(rawarray);
return false;
}
static bool ASCOM_IsMoving(IDispatch *cam)
{
DISPPARAMS dispParms;
dispParms.cArgs = 0;
dispParms.rgvarg = nullptr;
dispParms.cNamedArgs = 0;
dispParms.rgdispidNamedArgs = nullptr;
HRESULT hr;
ExcepInfo excep;
Variant vRes;
if (FAILED(hr = cam->Invoke(dispid_ispulseguiding, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET, &dispParms, &vRes, &excep, nullptr)))
{
LogExcep(hr, "invoke ispulseguiding", excep);
pFrame->Alert(ExcepMsg(_("ASCOM driver failed checking IsPulseGuiding. See the debug log for more information."), excep));
return false;
}
return vRes.boolVal == VARIANT_TRUE;
}
CameraASCOM::CameraASCOM(const wxString& choice)
{
m_choice = choice;
Connected = false;
Name = choice;
m_hasGuideOutput = false;
HasGainControl = false;
HasSubframes = true;
PropertyDialogType = PROPDLG_WHEN_DISCONNECTED;
Color = false;
DriverVersion = 1;
m_bitsPerPixel = 0;
}
CameraASCOM::~CameraASCOM()
{
}
wxByte CameraASCOM::BitsPerPixel()
{
return m_bitsPerPixel;
}
static wxString displayName(const wxString& ascomName)
{
if (ascomName.Find(_T("ASCOM")) != wxNOT_FOUND)
return ascomName;
return ascomName + _T(" (ASCOM)");
}
// map descriptive name to progid
static std::map<wxString, wxString> s_progid;
wxArrayString ASCOMCameraFactory::EnumAscomCameras()
{
wxArrayString list;
try
{
DispatchObj profile;
if (!profile.Create(L"ASCOM.Utilities.Profile"))
throw ERROR_INFO("ASCOM Camera: could not instantiate ASCOM profile class");
Variant res;
if (!profile.InvokeMethod(&res, L"RegisteredDevices", L"Camera"))
throw ERROR_INFO("ASCOM Camera: could not query registered camera devices");
DispatchClass ilist_class;
DispatchObj ilist(res.pdispVal, &ilist_class);
Variant vcnt;
if (!ilist.GetProp(&vcnt, L"Count"))
throw ERROR_INFO("ASCOM Camera: could not query registered cameras");
unsigned int const count = vcnt.intVal;
DispatchClass kvpair_class;
for (unsigned int i = 0; i < count; i++)
{
Variant kvpres;
if (ilist.GetProp(&kvpres, L"Item", i))
{
DispatchObj kvpair(kvpres.pdispVal, &kvpair_class);
Variant vkey, vval;
if (kvpair.GetProp(&vkey, L"Key") && kvpair.GetProp(&vval, L"Value"))
{
wxString ascomName = vval.bstrVal;
wxString displName = displayName(ascomName);
wxString progid = vkey.bstrVal;
s_progid[displName] = progid;
list.Add(displName);
}
}
}
}
catch (const wxString& msg)
{
POSSIBLY_UNUSED(msg);
}
return list;
}
bool CameraASCOM::Create(DispatchObj *obj, DispatchClass *cls)
{
IDispatch *idisp = m_gitEntry.Get();
if (idisp)
{
obj->Attach(idisp, cls);
return true;
}
Debug.Write(wxString::Format("Create ASCOM Camera: choice '%s' progid %s\n", m_choice, s_progid[m_choice]));
wxBasicString progid(s_progid[m_choice]);
if (!obj->Create(progid))
{
Debug.AddLine("ASCOM Camera: Could not get CLSID for camera " + m_choice);
return false;
}
m_gitEntry.Register(*obj);
return true;
}
static bool GetDispid(DISPID *pid, DispatchObj& obj, OLECHAR *name, wxString *err)
{
if (!obj.GetDispatchId(pid, name))
{
*err = wxString::Format(_("ASCOM Camera Driver missing required property %s"), name);
return false;
}
return true;
}
bool CameraASCOM::Connect(const wxString& camId)
{
DispatchClass driver_class;
DispatchObj driver(&driver_class);
// create the COM object
if (!Create(&driver, &driver_class))
{
return CamConnectFailed(_("Could not create ASCOM camera object. See the debug log for more information."));
}
struct ConnectInBg : public ConnectCameraInBg
{
CameraASCOM *cam;
ConnectInBg(CameraASCOM *cam_) : cam(cam_) { }
bool Entry()
{
GITObjRef dobj(cam->m_gitEntry);
// ... set the Connected property to true....
if (!dobj.PutProp(L"Connected", true))
{
SetErrorMsg(ExcepMsg(dobj.Excep()));
return true;
}
return false;
}
};
ConnectInBg bg(this);
if (bg.Run())
{
return CamConnectFailed(_("ASCOM driver problem: Connect") + ":\n" + bg.GetErrorMsg());
}
Variant vname;
if (driver.GetProp(&vname, L"Name"))
{
Name = displayName(vname.bstrVal);
Debug.Write(wxString::Format("setting camera Name = %s\n", Name));
}
// See if we have an onboard guider output
Variant vRes;
if (!driver.GetProp(&vRes, L"CanPulseGuide"))
{
Debug.AddLine(ExcepMsg("CanPulseGuide", driver.Excep()));
return CamConnectFailed(wxString::Format(_("ASCOM driver missing the %s property. Please report this error to your ASCOM driver provider."), "CanPulseGuide"));
}
m_hasGuideOutput = ((vRes.boolVal != VARIANT_FALSE) ? true : false);
if (!driver.GetProp(&vRes, L"CanAbortExposure"))
{
Debug.AddLine(ExcepMsg("CanAbortExposure", driver.Excep()));
return CamConnectFailed(wxString::Format(_("ASCOM driver missing the %s property. Please report this error to your ASCOM driver provider."), "CanAbortExposure"));
}
m_canAbortExposure = vRes.boolVal != VARIANT_FALSE ? true : false;
if (!driver.GetProp(&vRes, L"CanStopExposure"))
{
Debug.AddLine(ExcepMsg("CanStopExposure", driver.Excep()));
return CamConnectFailed(wxString::Format(_("ASCOM driver missing the %s property. Please report this error to your ASCOM driver provider."), "CanStopExposure"));
}
m_canStopExposure = vRes.boolVal != VARIANT_FALSE ? true : false;
// Check if we have a shutter
if (driver.GetProp(&vRes, L"HasShutter"))
{
HasShutter = ((vRes.boolVal != VARIANT_FALSE) ? true : false);
}
// Get the image size of a full frame
if (!driver.GetProp(&vRes, L"CameraXSize"))
{
Debug.AddLine(ExcepMsg("CameraXSize", driver.Excep()));
return CamConnectFailed(wxString::Format(_("ASCOM driver missing the %s property. Please report this error to your ASCOM driver provider."), "CameraXSize"));
}
m_maxSize.SetWidth((int) vRes.lVal);
if (!driver.GetProp(&vRes, L"CameraYSize"))
{
Debug.AddLine(ExcepMsg("CameraYSize", driver.Excep()));
return CamConnectFailed(wxString::Format(_("ASCOM driver missing the %s property. Please report this error to your ASCOM driver provider."), "CameraYSize"));
}
m_maxSize.SetHeight((int) vRes.lVal);
m_swapAxes = false;
if (!driver.GetProp(&vRes, L"MaxADU"))
{
Debug.AddLine(ExcepMsg("MaxADU", driver.Excep()));
m_bitsPerPixel = 16; // assume 16 BPP
}
else
{
m_bitsPerPixel = vRes.intVal <= 255 ? 8 : 16;
}
// Get the interface version of the driver
DriverVersion = 1;
if (driver.GetProp(&vRes, L"InterfaceVersion"))
{
DriverVersion = vRes.iVal;
}
if (DriverVersion > 1 && // We can check the color sensor status of the cam
driver.GetProp(&vRes, L"SensorType") &&
vRes.iVal > 1)
{
Color = true;
}
// Get pixel size in micons
if (!driver.GetProp(&vRes, L"PixelSizeX"))
{
Debug.AddLine(ExcepMsg("PixelSizeX", driver.Excep()));
return CamConnectFailed(wxString::Format(_("ASCOM driver missing the %s property. Please report this error to your ASCOM driver provider."), "PixelSizeX"));
}
m_driverPixelSize = vRes.dblVal;
if (!driver.GetProp(&vRes, L"PixelSizeY"))
{
Debug.AddLine(ExcepMsg("PixelSizeY", driver.Excep()));
return CamConnectFailed(wxString::Format(_("ASCOM driver missing the %s property. Please report this error to your ASCOM driver provider."), "PixelSizeY"));
}
m_driverPixelSize = wxMax(m_driverPixelSize, vRes.dblVal);
short maxBinX = 1, maxBinY = 1;
if (driver.GetProp(&vRes, L"MaxBinX"))
maxBinX = vRes.iVal;
if (driver.GetProp(&vRes, L"MaxBinY"))
maxBinY = vRes.iVal;
MaxBinning = wxMin(maxBinX, maxBinY);
Debug.Write(wxString::Format("ASCOM camera: MaxBinning is %hu\n", MaxBinning));
if (Binning > MaxBinning)
Binning = MaxBinning;
m_curBin = Binning;
HasCooler = false;
if (driver.GetProp(&vRes, L"CoolerOn"))
{
Debug.Write("ASCOM camera: has cooler\n");
HasCooler = true;
if (!driver.GetProp(&vRes, L"CanSetCCDTemperature"))
{
Debug.AddLine(ExcepMsg("CanSetCCDTemperature", driver.Excep()));
return CamConnectFailed(wxString::Format(_("ASCOM driver missing the %s property. Please report this error to your ASCOM driver provider."), "CanSetCCDTemperature"));
}
m_canSetCoolerTemperature = vRes.boolVal != VARIANT_FALSE ? true : false;
if (!driver.GetProp(&vRes, L"CanGetCoolerPower"))
{
Debug.AddLine(ExcepMsg("CanGetCoolerPower", driver.Excep()));
return CamConnectFailed(wxString::Format(_("ASCOM driver missing the %s property. Please report this error to your ASCOM driver provider."), "CanGetCoolerPower"));
}
m_canGetCoolerPower = vRes.boolVal != VARIANT_FALSE ? true : false;
}
else
{
Debug.AddLine(ExcepMsg("CoolerOn", driver.Excep()));
Debug.Write("ASCOM camera: CoolerOn threw exception => no cooler present\n");
}
// Get the dispids we'll need for more routine things
wxString err;
if (!GetDispid(&dispid_setxbin, driver, L"BinX", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_setybin, driver, L"BinY", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_startx, driver, L"StartX", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_starty, driver, L"StartY", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_numx, driver, L"NumX", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_numy, driver, L"NumY", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_imageready, driver, L"ImageReady", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_imagearray, driver, L"ImageArray", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_startexposure, driver, L"StartExposure", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_abortexposure, driver, L"AbortExposure", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_stopexposure, driver, L"StopExposure", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_pulseguide, driver, L"PulseGuide", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_ispulseguiding, driver, L"IsPulseGuiding", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_cooleron, driver, L"CoolerOn", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_coolerpower, driver, L"CoolerPower", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_ccdtemperature, driver, L"CCDTemperature", &err))
return CamConnectFailed(err);
if (!GetDispid(&dispid_setccdtemperature, driver, L"SetCCDTemperature", &err))
return CamConnectFailed(err);
// Program some defaults -- full size and binning
ExcepInfo excep;
if (ASCOM_SetBin(driver.IDisp(), Binning, &excep))
{
// only make this error fatal if the camera supports binning > 1
if (MaxBinning > 1)
{
return CamConnectFailed(_("The ASCOM camera failed to set binning. See the debug log for more information."));
}
}
// defer defining FullSize since it is not simply derivable from max size and binning
// no: FullSize = wxSize(m_maxSize.x / Binning, m_maxSize.y / Binning);
FullSize = UNDEFINED_FRAME_SIZE;
m_roi = wxRect(); // reset ROI state in case we're reconnecting
Connected = true;
return false;
}
bool CameraASCOM::Disconnect()
{
if (!Connected)
{
Debug.Write("ASCOM camera: attempt to disconnect when not connected\n");
return false;
}
{ // scope
GITObjRef cam(m_gitEntry);
if (!cam.PutProp(L"Connected", false))
{
Debug.AddLine(ExcepMsg("ASCOM disconnect", cam.Excep()));
pFrame->Alert(ExcepMsg(_("ASCOM driver problem -- cannot disconnect"), cam.Excep()));
return true;
}
} // scope
m_gitEntry.Unregister();
Connected = false;
return false;
}
bool CameraASCOM::GetDevicePixelSize(double *devPixelSize)
{
if (!Connected)
return true;
*devPixelSize = m_driverPixelSize;
return false;
}
bool CameraASCOM::SetCoolerOn(bool on)
{
if (!HasCooler)
{
Debug.Write("cam has no cooler!\n");
return true; // error
}
if (!Connected)
{
Debug.Write("camera cannot set cooler on/off when not connected\n");
return true;
}
GITObjRef cam(m_gitEntry);
if (!cam.PutProp(dispid_cooleron, on))
{
Debug.AddLine(ExcepMsg(wxString::Format("ASCOM error turning camera cooler %s", on ? "on" : "off"), cam.Excep()));
pFrame->Alert(ExcepMsg(wxString::Format(_("ASCOM error turning camera cooler %s"), on ? _("on") : _("off")), cam.Excep()));
return true;
}
return false;
}
bool CameraASCOM::SetCoolerSetpoint(double temperature)
{
if (!HasCooler || !m_canSetCoolerTemperature)
{
Debug.Write("camera cannot set cooler temperature\n");
return true; // error
}
if (!Connected)
{
Debug.Write("camera cannot set cooler setpoint when not connected\n");
return true;
}
GITObjRef cam(m_gitEntry);
if (!cam.PutProp(dispid_setccdtemperature, temperature))
{
Debug.AddLine(ExcepMsg("ASCOM error setting cooler setpoint", cam.Excep()));
return true;
}
return false;
}
bool CameraASCOM::GetCoolerStatus(bool *on, double *setpoint, double *power, double *temperature)
{
if (!HasCooler)
return true; // error
GITObjRef cam(m_gitEntry);
Variant res;
if (!cam.GetProp(&res, dispid_cooleron))
{
Debug.AddLine(ExcepMsg("ASCOM error getting CoolerOn property", cam.Excep()));
return true;
}
*on = res.boolVal != VARIANT_FALSE ? true : false;
if (!cam.GetProp(&res, dispid_ccdtemperature))
{
Debug.AddLine(ExcepMsg("ASCOM error getting CCDTemperature property", cam.Excep()));
return true;
}
*temperature = res.dblVal;
if (m_canSetCoolerTemperature)
{
if (!cam.GetProp(&res, dispid_setccdtemperature))
{
Debug.AddLine(ExcepMsg("ASCOM error getting SetCCDTemperature property", cam.Excep()));
return true;
}
*setpoint = res.dblVal;
}
else
*setpoint = *temperature;
if (m_canGetCoolerPower)
{
if (!cam.GetProp(&res, dispid_coolerpower))
{
Debug.AddLine(ExcepMsg("ASCOM error getting CoolerPower property", cam.Excep()));
return true;
}
*power = res.dblVal;
}
else
*power = 100.0;
return false;
}
bool CameraASCOM::GetSensorTemperature(double *temperature)
{
GITObjRef cam(m_gitEntry);
Variant res;
if (!cam.GetProp(&res, dispid_ccdtemperature))
{
Debug.AddLine(ExcepMsg("ASCOM error getting CCDTemperature property", cam.Excep()));
return true;
}
*temperature = res.dblVal;
return false;
}
void CameraASCOM::ShowPropertyDialog()
{
DispatchObj camera;
if (Create(&camera, nullptr))
{
Variant res;
if (!camera.InvokeMethod(&res, L"SetupDialog"))
{
pFrame->Alert(ExcepMsg(camera.Excep()));
}
}
}
bool CameraASCOM::AbortExposure()
{
if (!(m_canAbortExposure || m_canStopExposure))
return false;
GITObjRef cam(m_gitEntry);
ExcepInfo excep;
if (m_canAbortExposure)
{
bool err = ASCOM_AbortExposure(cam.IDisp(), &excep);
Debug.Write(wxString::Format("ASCOM_AbortExposure returns err = %d\n", err));
return !err;
}
else
{
bool err = ASCOM_StopExposure(cam.IDisp(), &excep);
Debug.Write(wxString::Format("ASCOM_StopExposure returns err = %d\n", err));
return !err;
}
}
bool CameraASCOM::Capture(int duration, usImage& img, int options, const wxRect& subframeArg)
{
bool retval = false;
bool takeSubframe = UseSubframes;
wxRect roi(subframeArg);
if (roi.width <= 0 || roi.height <= 0)
{
takeSubframe = false;
}
bool binning_changed = false;
if (Binning != m_curBin)
{
binning_changed = true;
takeSubframe = false; // subframe may be out of bounds now
if (Binning == 1)
FullSize.Set(m_maxSize.x, m_maxSize.y);
else
FullSize = UNDEFINED_FRAME_SIZE; // we don't know the binned size until we get a frame
}
if (takeSubframe && FullSize == UNDEFINED_FRAME_SIZE)
{
// if we do not know the full frame size, we cannot take a
// subframe until we receive a full frame and get the frame size
takeSubframe = false;
}
// Program the size