public static bool ReadEnumeration(this Int16 cameraHandle,
out List <CameraAttributeEnumeratePairValue> nvpList, UInt32 paramId)
{
nvpList = new List <CameraAttributeEnumeratePairValue>();
IntPtr unmngIsAvaiable = Marshal.AllocHGlobal(sizeof(UInt16));
bool result = Pvcam.pl_get_param(cameraHandle, paramId, (Int16)PvTypes.AttributeIDs.ATTR_AVAIL,
unmngIsAvaiable) && Marshal.ReadInt16(unmngIsAvaiable) == 1;
Marshal.FreeHGlobal(unmngIsAvaiable);
unmngIsAvaiable = IntPtr.Zero;
if (!result)
{
return(false);
}
IntPtr unmngCount = Marshal.AllocHGlobal(sizeof(UInt32));
result = Pvcam.pl_get_param(cameraHandle, paramId, (Int16)PvTypes.AttributeIDs.ATTR_COUNT, unmngCount);
var count = result? Convert.ToUInt32(Marshal.ReadInt32(unmngCount)):0;
Marshal.FreeHGlobal(unmngCount);
unmngCount = IntPtr.Zero;
if (!result)
{
return(false);
}
StringBuilder paramName = new StringBuilder();
//Now get the value and name associated
for (UInt32 i = 0; i < count; i++)
{
if (!Pvcam.pl_enum_str_length(cameraHandle, paramId, i, out UInt32 strLength))
{
return(false);
}
if (!Pvcam.pl_get_enum_param(cameraHandle, paramId, i, out Int32 paramValue, paramName, strLength))
{
return(false);
}
nvpList.Add(new CameraAttributeEnumeratePairValue(paramValue, paramName.ToString()));
}
return(true);
}
public static bool BuildSpeedTable(this Int16 cameraHandle, ICameraInfo cameraInfo)
{
StringBuilder desc = new StringBuilder(100);
IntPtr unmngRdPortCount = Marshal.AllocHGlobal(sizeof(UInt32));
IntPtr unmngRdPortSet = Marshal.AllocHGlobal(sizeof(UInt32));
IntPtr unmngSpdTabIndexCount = Marshal.AllocHGlobal(sizeof(UInt32));
IntPtr unmngBitDepth = Marshal.AllocHGlobal(sizeof(Int16));
IntPtr unmngGainCount = Marshal.AllocHGlobal(sizeof(Int32));
IntPtr unmngSpdTabIdx = Marshal.AllocHGlobal(sizeof(Int16));
IntPtr unmngPixTime = Marshal.AllocHGlobal(sizeof(UInt16));
IntPtr unmngGainMax = Marshal.AllocHGlobal(sizeof(UInt16));
var speedTable = new SpeedTable();
speedTable.ReadoutOptions.Clear();
//read number of available ports
Pvcam.pl_get_param(cameraHandle, PvTypes.PARAM_READOUT_PORT, (Int16)PvTypes.AttributeIDs.ATTR_COUNT, unmngRdPortCount);
speedTable.ReadoutPorts = Convert.ToUInt32(Marshal.ReadInt32(unmngRdPortCount));
Marshal.FreeHGlobal(unmngRdPortCount);
unmngRdPortCount = IntPtr.Zero;
//set each port and find number of readout speeds on that port
for (Int16 i = 0; i < speedTable.ReadoutPorts; i++)
{
Marshal.WriteInt32(unmngRdPortSet, i);
//set readout port
Pvcam.pl_set_param(cameraHandle, PvTypes.PARAM_READOUT_PORT, unmngRdPortSet);
//get port description
//NOTE: for Interline and sCMOS cameras this often returns "Mutliplication gain" even though the port does
//not have any multiplication gain capability
Pvcam.pl_get_enum_param(cameraHandle, PvTypes.PARAM_READOUT_PORT, (UInt32)i, out _, desc, 100);
//get number of readout speeds on each readout port
Pvcam.pl_get_param(cameraHandle, PvTypes.PARAM_SPDTAB_INDEX, (Int16)PvTypes.AttributeIDs.ATTR_COUNT, unmngSpdTabIndexCount);
speedTable.ReadoutSpeeds = Convert.ToUInt32(Marshal.ReadInt32(unmngSpdTabIndexCount));
//for all readout speeds
for (Int16 j = 0; j < speedTable.ReadoutSpeeds; j++)
{
Marshal.WriteInt16(unmngSpdTabIdx, j);
Pvcam.pl_set_param(cameraHandle, PvTypes.PARAM_SPDTAB_INDEX, unmngSpdTabIdx);
//Get Number of gains available on this speed, note that use ATTR_MAX to find max gains available as ATTR_COUNT
//has issues in certain version of PVCAM
Pvcam.pl_get_param(cameraHandle, PvTypes.PARAM_GAIN_INDEX, (Int16)PvTypes.AttributeIDs.ATTR_COUNT, unmngGainMax);
var gainMax = (UInt16)Marshal.ReadInt16(unmngGainMax);
//get bit depth of the speed
Pvcam.pl_get_param(cameraHandle, PvTypes.PARAM_BIT_DEPTH, (Int16)PvTypes.AttributeIDs.ATTR_CURRENT, unmngBitDepth);
Int16 bidDepth = Marshal.ReadInt16(unmngBitDepth);
//get readout frequency (pixel time) of the speed
Pvcam.pl_get_param(cameraHandle, PvTypes.PARAM_PIX_TIME, (Int16)PvTypes.AttributeIDs.ATTR_CURRENT, unmngPixTime);
double pixTime = Convert.ToDouble(Marshal.ReadInt16(unmngPixTime));
//add new readout option to our list of options
speedTable.ReadoutOptions.Add(new ReadoutOption(i, j, bidDepth, gainMax, $"{1000/pixTime}MZ "));
}
}
cameraInfo.CameraParas.SpeedTable = speedTable;
cameraInfo.CameraSettings.ReadOutOptions = new CameraOptionParameter
("ReadOutSpeed", speedTable.ReadoutOptions.Select(x => x.ToString()).ToList(), 1);
Marshal.FreeHGlobal(unmngRdPortSet);
unmngRdPortSet = IntPtr.Zero;
Marshal.FreeHGlobal(unmngSpdTabIndexCount);
unmngSpdTabIndexCount = IntPtr.Zero;
Marshal.FreeHGlobal(unmngBitDepth);
unmngBitDepth = IntPtr.Zero;
Marshal.FreeHGlobal(unmngGainCount);
unmngGainCount = IntPtr.Zero;
Marshal.FreeHGlobal(unmngSpdTabIdx);
unmngSpdTabIdx = IntPtr.Zero;
Marshal.FreeHGlobal(unmngPixTime);
unmngPixTime = IntPtr.Zero;
return(true);
}
