public PTPCommunication(PTPDevice dev)
{
_device = dev;
reqres = new PTPReqRes();
reqres.data = new byte[484];
ptpdata = new PTPData();
ptpdata.data = new byte[500];
p_reqres = Marshal.AllocHGlobal(Marshal.SizeOf(reqres));
p_ptpdata = Marshal.AllocHGlobal(Marshal.SizeOf(ptpdata));
ResetAll();
}
public PTPCommunication(PTPDevice dev)
{
_device = dev;
reqres = new PTPReqRes();
reqres.data = new byte[484];
ptpdata = new PTPData();
ptpdata.data = new byte[500];
p_reqres = Marshal.AllocHGlobal(Marshal.SizeOf(reqres));
p_ptpdata = Marshal.AllocHGlobal(Marshal.SizeOf(ptpdata));
ResetAll();
}
public PTPCommunication(PTPDevice dev)
{
this.device = dev;
this.reqres = new PTPReqRes();
this.reqres.data = new byte[484];
this.ptpdata = new PTPData();
this.ptpdata.data = new byte[500];
this.p_reqres = Marshal.AllocHGlobal(Marshal.SizeOf(this.reqres));
this.p_ptpdata = Marshal.AllocHGlobal(Marshal.SizeOf(this.ptpdata));
this.ResetAll();
}
private static CHDKPTPDevice CheckSupported(PTPDevice ptpdev)
{
var dev = ptpdev as CHDKPTPDevice;
if (!dev.PTPSupported)
{
return dev;
}
try
{
if (!dev.Open())
{
return dev;
}
var sess = new CHDKPTPSession(dev);
sess.OpenSession();
if (sess.CHDK_Version(out dev.CHDKVersionMajor, out dev.CHDKVersionMinor))
{
if (dev.CHDKVersionMajor == CHDK_VERSION_MAJOR && dev.CHDKVersionMinor >= CHDK_VERSION_MINOR)
{
CHDK_ScriptSupport flags;
sess.CHDK_ScriptSupport(out flags);
if (flags.HasFlag(CHDK_ScriptSupport.PTP_CHDK_SCRIPT_SUPPORT_LUA))
{
dev.CHDKSupported = true;
}
}
sess.CloseSession();
}
}
catch (PTPException)
{
// make sure CHDKSupported has not already been set
dev.CHDKSupported = false;
}
finally
{
if (dev.IsOpen)
{
dev.Close();
}
}
return dev;
}
public static List <PTPDevice> FindDevices(bool only_supported = true, Func <UsbDevice, PTPDevice> constr = null)
{
List <PTPDevice> l = new List <PTPDevice>();
if (constr == null)
{
constr = x => new PTPDevice(x);
}
foreach (UsbRegistry reg in UsbDevice.AllDevices)
{
UsbDevice dev;
if (reg.Open(out dev))
{
PTPDevice ptpdev = constr(dev);
for (int i = 0; i < dev.Configs.Count; i++)
{
UsbConfigInfo config_info = dev.Configs[i];
foreach (UsbInterfaceInfo interface_info in config_info.InterfaceInfoList)
{
if (interface_info.Descriptor.Class == ClassCodeType.Ptp)
{
bool rid_set = false;
bool wid_set = false;
foreach (UsbEndpointInfo endpoint_info in interface_info.EndpointInfoList)
{
// BULK and assumed MaxPacketSize
if ((endpoint_info.Descriptor.Attributes & 0x03) != 0x02 || endpoint_info.Descriptor.MaxPacketSize != 512)
{
continue;
}
if ((endpoint_info.Descriptor.EndpointID & 0x80) == 0)
{
ptpdev.WriterEndpointID = (WriteEndpointID)endpoint_info.Descriptor.EndpointID;
wid_set = true;
}
else
{
ptpdev.ReaderEndpointID = (ReadEndpointID)endpoint_info.Descriptor.EndpointID;
rid_set = true;
}
}
if (rid_set && wid_set)
{
ptpdev.ConfigurationID = config_info.Descriptor.ConfigID;
ptpdev.InterfaceID = interface_info.Descriptor.InterfaceID;
ptpdev.PTPSupported = true;
break;
}
}
if (ptpdev.PTPSupported)
{
break;
}
}
}
if (!only_supported || ptpdev.PTPSupported)
{
l.Add(ptpdev);
}
dev.Close(); // always close so we don't have a list of open but unused devices
}
}
return(l);
}
