private ECLib.ErrorCode setCAParams(ref ECLib.EccParams parameters, ref string file)
{
ECLib.ErrorCode err = ECLib.ErrorCode.ERR_NOERROR;
int structsize = Marshal.SizeOf(typeof(ECLib.EccParam)); // size of a parameter
file = ECLib.is_vmp4(infos.DeviceCode) ? "ca4.ecc" : "ca.ecc";
// allocate parameters in memory for the unmanaged call.
parameters.len = 16;
parameters.pparams = Marshal.AllocHGlobal(parameters.len * structsize);
err |= ECLib.BL_DefineSglParameter("Voltage_step", 1.5f, 0, parameters.pparams + structsize * 0); // E0 (V)
err |= ECLib.BL_DefineBoolParameter("vs_initial", false, 0, parameters.pparams + structsize * 1); // vs. init
err |= ECLib.BL_DefineSglParameter("Duration_step", 0.1f, 0, parameters.pparams + structsize * 2); // Step duration (s)
// Step #1
err |= ECLib.BL_DefineSglParameter("Voltage_step", -1.0f, 1, parameters.pparams + structsize * 3); // E1 (V)
err |= ECLib.BL_DefineBoolParameter("vs_initial", false, 1, parameters.pparams + structsize * 4); // scan to E1 s. init
err |= ECLib.BL_DefineSglParameter("Duration_step", 0.2f, 1, parameters.pparams + structsize * 5); // Step duration (s)
// Step #2
err |= ECLib.BL_DefineSglParameter("Voltage_step", 2.0f, 2, parameters.pparams + structsize * 6); // E2 (V)
err |= ECLib.BL_DefineBoolParameter("vs_initial", false, 2, parameters.pparams + structsize * 7); // vs. init
err |= ECLib.BL_DefineSglParameter("Duration_step", 0.1f, 2, parameters.pparams + structsize * 8); // Step duration (s)
// others
err |= ECLib.BL_DefineIntParameter("Step_number", 2, 0, parameters.pparams + structsize * 9); // step number
err |= ECLib.BL_DefineIntParameter("N_Cycles", 0, 0, parameters.pparams + structsize * 10); // cycle Nc time
err |= ECLib.BL_DefineSglParameter("Record_every_dI", 0.1f, 0, parameters.pparams + structsize * 11); // record every dI (A)
err |= ECLib.BL_DefineSglParameter("Record_every_dT", 0.01f, 0, parameters.pparams + structsize * 12); // or every dT (s)
err |= ECLib.BL_DefineIntParameter("I_Range", (int)ECLib.IntensityRange.KBIO_IRANGE_AUTO, 0, parameters.pparams + structsize * 13); // I Range
err |= ECLib.BL_DefineIntParameter("E_Range", (int)ECLib.VoltageRange.KBIO_ERANGE_AUTO, 0, parameters.pparams + structsize * 14); // E Range
err |= ECLib.BL_DefineIntParameter("Bandwidth", (int)ECLib.Bandwidth.KBIO_BW_5, 0, parameters.pparams + structsize * 15); // bandwidth
return(err);
}
private ECLib.ErrorCode setCPParams(ref ECLib.EccParams parameters, ref string file)
{
ECLib.ErrorCode err = ECLib.ErrorCode.ERR_NOERROR;
int structsize = Marshal.SizeOf(typeof(ECLib.EccParam)); // size of a parameter
file = ECLib.is_vmp4(infos.DeviceCode) ? "cp4.ecc" : "cp.ecc";
// allocate N parameters in memory for the unmanaged call.
parameters.len = 16;
parameters.pparams = Marshal.AllocHGlobal(parameters.len * structsize);
ECLib.BL_DefineSglParameter("Current_step", 0.002f, 0, parameters.pparams + structsize * 0); // {I0 (A)}
ECLib.BL_DefineBoolParameter("vs_initial", false, 0, parameters.pparams + structsize * 1); // {vs. init}
ECLib.BL_DefineSglParameter("Duration_step", 0.1f, 0, parameters.pparams + structsize * 2); //{Step duration (s)}
//{Step #1}
ECLib.BL_DefineSglParameter("Current_step", -0.001f, 1, parameters.pparams + structsize * 3); // {I1 (A)}
ECLib.BL_DefineBoolParameter("vs_initial", false, 1, parameters.pparams + structsize * 4); // {scan to E1 s. init}
ECLib.BL_DefineSglParameter("Duration_step", 0.2f, 1, parameters.pparams + structsize * 5); // {Step duration (s)
//{Step #2}
ECLib.BL_DefineSglParameter("Current_step", 0.004f, 2, parameters.pparams + structsize * 6); // {I2 (A)}
ECLib.BL_DefineBoolParameter("vs_initial", false, 2, parameters.pparams + structsize * 7); // {vs. init}
ECLib.BL_DefineSglParameter("Duration_step", 0.1f, 2, parameters.pparams + structsize * 8); // {Step duration (s)}
//{others}
ECLib.BL_DefineIntParameter("Step_number", 2, 0, parameters.pparams + structsize * 9); // {step number}
ECLib.BL_DefineIntParameter("N_Cycles", 0, 0, parameters.pparams + structsize * 10); // {cycle Nc time}
ECLib.BL_DefineSglParameter("Record_every_dE", 0.1f, 0, parameters.pparams + structsize * 11); // {record every dE (V)}
ECLib.BL_DefineSglParameter("Record_every_dT", 0.01f, 0, parameters.pparams + structsize * 12); // {or every dT (s)}
ECLib.BL_DefineIntParameter("I_Range", (int)ECLib.IntensityRange.KBIO_IRANGE_10mA, 0, parameters.pparams + structsize * 13); // {I Range}
ECLib.BL_DefineIntParameter("E_Range", (int)ECLib.VoltageRange.KBIO_ERANGE_AUTO, 0, parameters.pparams + structsize * 14); //{E Range}
ECLib.BL_DefineIntParameter("Bandwidth", (int)ECLib.Bandwidth.KBIO_BW_5, 0, parameters.pparams + structsize * 15); //{bandwidth}
return(err);
}
private ECLib.ErrorCode loadTechnique()
{
// This function is special: we have to manually marshal the parameters structure,
// because C# doesn't know how to correctly do it through automatic marshalling.
// See ECLib.EccParams definition in ECLib.cs .
string file = "";
string tech = technique_combo.SelectedItem.ToString();
ECLib.ErrorCode err = ECLib.ErrorCode.ERR_NOERROR;
ECLib.EccParams parameters = default(ECLib.EccParams);
switch (tech)
{
case "OCV": err = setOCVParams(ref parameters, ref file); break;
case "ChronoPotentiometry": err = setCPParams(ref parameters, ref file); break;
case "ChronoAmperometry": err = setCAParams(ref parameters, ref file); break;
default: break;
}
// call LoadTechnique with the parameters that has been allocated through manual marshalling
if (selected_channel != 0xff &&
parameters.len != 0 &&
file.Length != 0 &&
err == ECLib.ErrorCode.ERR_NOERROR)
{
err = ECLib.BL_LoadTechnique(conn_id, selected_channel, file, parameters, true, true, show_params.Checked);
}
else
{
MessageBox.Show("Error setting a parameter: " + err.ToString());
}
// need to free the allocated memory
if (parameters.pparams != null)
{
Marshal.FreeHGlobal(parameters.pparams);
}
return(err);
}
private ECLib.ErrorCode setOCVParams(ref ECLib.EccParams parameters, ref string file)
{
ECLib.ErrorCode err = ECLib.ErrorCode.ERR_NOERROR;
int structsize = Marshal.SizeOf(typeof(ECLib.EccParam)); // size of a parameter
file = ECLib.is_vmp4(infos.DeviceCode) ? "ocv4.ecc" : "ocv.ecc";
// allocate N (=4 for OCV) parameters in memory for the unmanaged call.
parameters.len = 4;
parameters.pparams = Marshal.AllocHGlobal(parameters.len * structsize);
// BL_Define[sgl,bool,int]Parameter all take a pointer to a memory space equivalent to a ECLib.EccParam structure
err = ECLib.BL_DefineSglParameter("Rest_time_T", 3.0f, 0, parameters.pparams + 0 * structsize);
err = ECLib.BL_DefineSglParameter("Record_every_dE", 0.1f, 0, parameters.pparams + 1 * structsize);
err = ECLib.BL_DefineSglParameter("Record_every_dT", 0.01f, 0, parameters.pparams + 2 * structsize);
err = ECLib.BL_DefineIntParameter("E_Range", (int)ECLib.VoltageRange.KBIO_ERANGE_AUTO, 0, parameters.pparams + 3 * structsize);
return(err);
}
