/// <summary> Reads authenticated page.
///
/// </summary>
/// <param name="page"> the page number in this bank to read from.
/// </param>
/// <param name="data"> the data read from the address
/// </param>
/// <param name="extra_info"> the MAC calculated for this function
///
/// </param>
/// <throws> OneWireIOException </throws>
/// <throws> OneWireException </throws>
public virtual bool readAuthenticatedPage(int page, byte[] data, int dataStart, byte[] extra_info, int extraStart)
{
byte[] send_block = new byte[40];
byte[] challenge = new byte[8];
int addr = (page * pageLength) + startPhysicalAddress;
ib.getChallenge(challenge, 4);
scratchpad.writeScratchpad(addr, challenge, 0, 8);
// access the device
if (!adapter.select(ib.Address))
{
throw new OneWireIOException("Device select failed.");
}
// Read Authenticated Command
send_block[0] = READ_AUTH_PAGE;
// address 1
send_block[1] = (byte)(addr & 0xFF);
// address 2
send_block[2] = (byte)((SupportClass.URShift((addr & 0xFFFF), 8)) & 0xFF);
// data + FF byte
Array.Copy(ffBlock, 0, send_block, 3, 35);
// now send the block
adapter.dataBlock(send_block, 0, 38);
//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
if (DEBUG)
{
IOHelper.writeLine("-------------------------------------------------------------");
IOHelper.writeLine("ReadAuthPage - send_block:");
IOHelper.writeBytesHex(send_block, 0, 38);
}
//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
// verify CRC16 is correct
if (CRC16.compute(send_block, 0, 38, 0) != 0x0000B001)
{
throw new OneWireException("First CRC didn't pass.");
}
Array.Copy(send_block, 3, data, dataStart, 32);
Array.Copy(ffBlock, 0, send_block, 0, 22);
//adapter.startPowerDelivery(DSPortAdapter.CONDITION_NOW);
try
{
//UPGRADE_TODO: Method 'java.lang.Thread.sleep' was converted to 'System.Threading.Thread.Sleep' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javalangThreadsleep_long'"
System.Threading.Thread.Sleep(new System.TimeSpan((System.Int64) 10000 * 2));
}
catch (System.Threading.ThreadInterruptedException ie)
{
;
}
adapter.dataBlock(send_block, 0, 22);
//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
if (DEBUG)
{
IOHelper.writeLine("ReadAuthPage - MAC:");
IOHelper.writeBytesHex(send_block, 0, 20);
}
//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
// verify CRC16 is correct
if (CRC16.compute(send_block, 0, 22, 0) != 0x0000B001)
{
throw new OneWireException("Second CRC didn't pass.");
}
//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
if (DEBUG)
{
IOHelper.writeLine("next read:");
IOHelper.writeBytesHex(send_block, 0, 22);
IOHelper.writeLine("-------------------------------------------------------------");
}
//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
Array.Copy(send_block, 0, extra_info, extraStart, 20);
return(true);
}
/// <summary>
/// Read a page from a memory bank and print in hex
/// </summary>
/// <param name="bank"> PagedMemoryBank to read a page from </param>
/// <param name="pg"> page to read </param>
public static void dumpBankPage(OneWireContainer33 owd, PagedMemoryBank bank, int pg)
{
byte[] read_buf = new byte [bank.PageLength];
byte[] extra_buf = new byte [bank.ExtraInfoLength];
byte[] challenge = new byte [8];
byte[] secret = new byte [8];
byte[] sernum = new byte [8];
bool macvalid = false;
try
{
// read a page (use the most verbose and secure method)
if (bank.hasPageAutoCRC())
{
Debug.WriteLine("Using device generated CRC");
if (bank.hasExtraInfo())
{
bank.readPageCRC(pg, false, read_buf, 0, extra_buf);
owd.getChallenge(challenge, 0);
owd.getContainerSecret(secret, 0);
sernum = owd.Address;
macvalid = OneWireContainer33.isMACValid(bank.StartPhysicalAddress + pg * bank.PageLength, sernum, read_buf, extra_buf, challenge, secret);
}
else
{
bank.readPageCRC(pg, false, read_buf, 0);
}
}
else
{
if (bank.hasExtraInfo())
{
bank.readPage(pg, false, read_buf, 0, extra_buf);
}
else
{
bank.readPage(pg, false, read_buf, 0);
}
}
Debug.Write("Page " + pg + ": ");
hexPrint(read_buf, 0, read_buf.Length);
Debug.WriteLine("");
if (bank.hasExtraInfo())
{
Debug.Write("Extra: ");
hexPrint(extra_buf, 0, bank.ExtraInfoLength);
Debug.WriteLine("");
if (macvalid)
{
Debug.WriteLine("Data validated with correct MAC.");
}
else
{
Debug.WriteLine("Data not validated because incorrect MAC.");
}
}
}
catch (Exception e)
{
Debug.WriteLine(e);
}
}
/// <summary>
/// Reads authenticated page.
/// </summary>
/// <param name="page"> the page number in this bank to read from. </param>
/// <param name="data"> the data read from the address </param>
/// <param name="extra_info"> the MAC calculated for this function
/// </param>
/// <exception cref="OneWireIOException"> </exception>
/// <exception cref="OneWireException"> </exception>
public virtual bool readAuthenticatedPage(int page, byte[] data, int dataStart, byte[] extra_info, int extraStart)
{
byte[] send_block = new byte[40];
byte[] challenge = new byte[8];
int addr = (page * pageLength) + startPhysicalAddress;
ib.getChallenge(challenge, 4);
scratchpad.writeScratchpad(addr, challenge, 0, 8);
// access the device
if (!adapter.select(ib.Address))
{
throw new OneWireIOException("Device select failed.");
}
// Read Authenticated Command
send_block[0] = READ_AUTH_PAGE;
// address 1
send_block[1] = unchecked ((byte)(addr & 0xFF));
// address 2
send_block[2] = unchecked ((byte)(((int)((uint)(addr & 0xFFFF) >> 8)) & 0xFF));
// data + FF byte
Array.Copy(ffBlock, 0, send_block, 3, 35);
// now send the block
adapter.dataBlock(send_block, 0, 38);
//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
if (DEBUG)
{
IOHelper.writeLine("-------------------------------------------------------------");
IOHelper.writeLine("ReadAuthPage - send_block:");
IOHelper.writeBytesHex(send_block, 0, 38);
}
//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
// verify CRC16 is correct
if (CRC16.compute(send_block, 0, 38, 0) != 0x0000B001)
{
throw new OneWireException("First CRC didn't pass.");
}
Array.Copy(send_block, 3, data, dataStart, 32);
Array.Copy(ffBlock, 0, send_block, 0, 22);
//adapter.startPowerDelivery(DSPortAdapter.CONDITION_NOW);
try
{
Thread.Sleep(2);
}
catch (InterruptedException)
{
;
}
adapter.dataBlock(send_block, 0, 22);
//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
if (DEBUG)
{
IOHelper.writeLine("ReadAuthPage - MAC:");
IOHelper.writeBytesHex(send_block, 0, 20);
}
//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
// verify CRC16 is correct
if (CRC16.compute(send_block, 0, 22, 0) != 0x0000B001)
{
throw new OneWireException("Second CRC didn't pass.");
}
//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
if (DEBUG)
{
IOHelper.writeLine("next read:");
IOHelper.writeBytesHex(send_block, 0, 22);
IOHelper.writeLine("-------------------------------------------------------------");
}
//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
Array.Copy(send_block, 0, extra_info, extraStart, 20);
return(true);
}