public static DeviceGeometryTuple DecodeDeviceGeometryTuple(byte[] data)
{
if ((data?.Length - 2) % 6 != 0)
{
return(null);
}
DeviceGeometryTuple tuple = new DeviceGeometryTuple();
List <DeviceGeometry> geometries = new List <DeviceGeometry>();
for (int position = 2; position < data.Length; position += 6)
{
DeviceGeometry geometry = new DeviceGeometry
{
CardInterface = data[position],
EraseBlockSize = data[position + 1],
ReadBlockSize = data[position + 2],
WriteBlockSize = data[position + 3],
Partitions = data[position + 4],
Interleaving = data[position + 5]
};
geometries.Add(geometry);
}
tuple.Code = (TupleCodes)data[0];
tuple.Link = data[1];
tuple.Geometries = geometries.ToArray();
return(tuple);
}
public static string PrettifyDeviceGeometryTuple(DeviceGeometryTuple tuple)
{
if (tuple == null)
{
return(null);
}
if (tuple.Code != TupleCodes.CISTPL_DEVICEGEO && tuple.Code != TupleCodes.CISTPL_DEVICEGEO_A)
{
return(null);
}
StringBuilder sb = new StringBuilder();
sb.AppendLine("PCMCIA Device Geometry Tuples:");
foreach (DeviceGeometry geometry in tuple.Geometries)
{
sb.AppendLine("\tGeometry:");
sb.AppendFormat("\t\tDevice width: {0} bits", (1 << (geometry.CardInterface - 1)) * 8).AppendLine();
sb.AppendFormat("\t\tErase block = {0} bytes",
(1 << (geometry.EraseBlockSize - 1)) * (1 << (geometry.Interleaving - 1))).AppendLine();
sb.AppendFormat("\t\tRead block = {0} bytes",
(1 << (geometry.ReadBlockSize - 1)) * (1 << (geometry.Interleaving - 1))).AppendLine();
sb.AppendFormat("\t\tWrite block = {0} bytes",
(1 << (geometry.WriteBlockSize - 1)) * (1 << (geometry.Interleaving - 1))).AppendLine();
sb.AppendFormat("\t\tPartition alignment = {0} bytes",
(1 << (geometry.EraseBlockSize - 1)) * (1 << (geometry.Interleaving - 1)) *
(1 << (geometry.Partitions - 1))).AppendLine();
}
return(sb.ToString());
}