public bool ConnectToProgrammerInTestMode()
{
// Behaviour of old firehose:
// Takes about 20 ms to be started.
// Then PC has to start talking to the phone.
// Behaviour of new firehose:
// After 2000 ms the firehose starts talking to the PC
//
// For the duration of 2.5 seconds we will send Hello packages
// And also wait for incoming messages
// An incoming message can be a response to our outgoing Hello packet (read incoming until "response value")
// Or it can be an incoming Hello-packet from the programmer (always 2 packets, starting with "Chip serial num")
// Sending the hello-packet can succeed immediately, or it can timeout.
// When sending succeeds, an answer should be incoming immediately to complete the handshake.
// When an incoming Hello was received, the phone still expects to receive another Hello.
byte[] HelloPacketFromPcToProgrammer = new byte[0x20C];
ByteOperations.WriteUInt32(HelloPacketFromPcToProgrammer, 0, 0x57503730);
ByteOperations.WriteUInt32(HelloPacketFromPcToProgrammer, 0x28, 0x57503730);
ByteOperations.WriteUInt32(HelloPacketFromPcToProgrammer, 0x208, 0x57503730);
ByteOperations.WriteUInt16(HelloPacketFromPcToProgrammer, 0x48, 0x4445);
int HelloSendCount = 0;
bool HandshakeCompleted = false;
string Incoming;
do
{
Serial.SetTimeOut(200);
HelloSendCount++;
try
{
LogFile.Log("Send Hello to programmer (" + HelloSendCount.ToString() + ")", LogType.FileOnly);
Serial.SendData(HelloPacketFromPcToProgrammer);
LogFile.Log("Hello packet accepted", LogType.FileOnly);
}
catch
{
LogFile.Log("Hello packet not accepted", LogType.FileOnly);
}
try
{
Serial.SetTimeOut(500);
Incoming = System.Text.Encoding.ASCII.GetString(Serial.GetResponse(null));
LogFile.Log("In: " + Incoming, LogType.FileOnly);
Serial.SetTimeOut(200);
if (Incoming.Contains("Chip serial num"))
{
Incoming = System.Text.Encoding.ASCII.GetString(Serial.GetResponse(null));
LogFile.Log("In: " + Incoming, LogType.FileOnly);
LogFile.Log("Incoming Hello-packets received", LogType.FileOnly);
}
while (Incoming.IndexOf("response value") < 0)
{
Incoming = System.Text.Encoding.ASCII.GetString(Serial.GetResponse(null));
LogFile.Log("In: " + Incoming, LogType.FileOnly);
}
;
LogFile.Log("Incoming Hello-response received", LogType.FileOnly);
HandshakeCompleted = true;
}
catch { }
}while (!HandshakeCompleted && (HelloSendCount < 6));
if (HandshakeCompleted)
{
LogFile.Log("Handshake completed with programmer in testmode", LogType.FileOnly);
}
else
{
LogFile.Log("Handshake with programmer failed", LogType.FileOnly);
}
return(HandshakeCompleted);
}
public async Task <bool> SendEdPayload(string ProgrammerPath, string PayloadPath)
{
// First, let's read the Emergency Download payload header and verify its validity
FileStream PayloadStream = File.OpenRead(PayloadPath);
byte[] ValidReferencePayloadHeader = new byte[] { 0x45, 0x6D, 0x65, 0x72, 0x67, 0x65, 0x6E, 0x63, 0x79, 0x20, 0x50, 0x61, 0x79, 0x6C, 0x6F, 0x61, 0x64 };
byte[] PayloadHeader = new byte[17];
PayloadStream.Read(PayloadHeader, 0, 17);
bool IsValidEdPayloadImage = StructuralComparisons.StructuralEqualityComparer.Equals(PayloadHeader, ValidReferencePayloadHeader);
if (!IsValidEdPayloadImage)
{
return(false);
}
// Now let's read the information block
PayloadStream.Seek(0x64, SeekOrigin.Begin);
byte[] PayloadInformationBlock = new byte[0x64];
PayloadStream.Read(PayloadInformationBlock, 0, 0x64);
string buildtime = Encoding.ASCII.GetString(PayloadInformationBlock).Trim('\0');
PayloadStream.Read(PayloadInformationBlock, 0, 0x64);
string builddate = Encoding.ASCII.GetString(PayloadInformationBlock).Trim('\0');
PayloadStream.Read(PayloadInformationBlock, 0, 0x64);
string version = Encoding.ASCII.GetString(PayloadInformationBlock).Trim('\0');
PayloadInformationBlock = new byte[0x670];
PayloadStream.Read(PayloadInformationBlock, 0, 0x670);
string Info = Encoding.ASCII.GetString(PayloadInformationBlock).Trim('\0');
// Print some information about the payload
LogFile.Log("Emerency flasher version 0.1", LogType.FileAndConsole);
LogFile.Log("Programmer information:", LogType.FileAndConsole);
LogFile.Log("Build time: " + buildtime, LogType.FileAndConsole);
LogFile.Log("Build date: " + builddate, LogType.FileAndConsole);
LogFile.Log("Version: " + version, LogType.FileAndConsole);
LogFile.Log("Info: " + Info, LogType.FileAndConsole);
// Send the emergency programmer to the phone
bool SendImageResult = await Task.Run(() => SendImage(ProgrammerPath));
if (!SendImageResult)
{
return(false);
}
// Start the emergency programmer on the phone
await Task.Run(() => StartProgrammer());
// Wait a few seconds before sending commands
LogFile.Log("Waiting...", LogType.FileAndConsole);
Thread.Sleep(2000);
LogFile.Log("Waiting...OK", LogType.FileAndConsole);
bool Terminated = false;
bool Connected = false;
bool ProgrammerRawMode = false;
string Incoming;
while (!Terminated)
{
PayloadInformationBlock = new byte[0x200];
PayloadStream.Read(PayloadInformationBlock, 0, 0x200);
string ProgrammerCommand = Encoding.ASCII.GetString(PayloadInformationBlock.Skip(0xC).ToArray()).Trim('\0');
LogFile.Log(ProgrammerCommand, LogType.FileAndConsole);
byte[] PacketFromPcToProgrammer = Array.Empty <byte>();
byte[] temp = new byte[0x200];
while (true)
{
if (PayloadStream.Position == PayloadStream.Length)
{
Terminated = true;
break;
}
PayloadStream.Read(temp, 0, 0x200);
if (temp[12] == 77 && temp[13] == 83 && temp[14] == 71 && temp[15] == 95)
{
PayloadStream.Seek(-0x200, SeekOrigin.Current);
break;
}
PacketFromPcToProgrammer = PacketFromPcToProgrammer.Concat(temp).ToArray();
}
bool ExpectingReplyFromProgrammer = false;
if (ProgrammerCommand.Contains("XML"))
{
string Outgoing = Encoding.ASCII.GetString(PacketFromPcToProgrammer).Trim('\0');
PacketFromPcToProgrammer = Encoding.ASCII.GetBytes(Outgoing);
LogFile.Log("Out: " + Outgoing, LogType.FileAndConsole);
}
if (!ProgrammerCommand.Contains("RAW_DATA") && !ProgrammerRawMode)
{
ExpectingReplyFromProgrammer = true;
}
if (ProgrammerCommand.Contains("LAST") && ProgrammerRawMode)
{
ExpectingReplyFromProgrammer = true;
}
if (ProgrammerCommand.Contains("DATA_ALL") && ProgrammerRawMode)
{
ExpectingReplyFromProgrammer = true;
}
if (ProgrammerCommand.Contains("RAW_DATA") && !ProgrammerRawMode)
{
LogFile.Log("Phone is not in raw mode ON, leaving...", LogType.FileAndConsole);
// Workaround for problem
// SerialPort is sometimes not disposed correctly when the device is already removed.
// So explicitly dispose here
Serial.Close();
LogFile.Log("Phone has been emergency flashed unsuccessfully!", LogType.FileAndConsole);
PayloadStream.Dispose();
return(false);
}
if (!ProgrammerCommand.Contains("RAW_DATA") && ProgrammerRawMode)
{
LogFile.Log("Phone is not in raw mode ON, leaving...", LogType.FileAndConsole);
// Workaround for problem
// SerialPort is sometimes not disposed correctly when the device is already removed.
// So explicitly dispose here
Serial.Close();
LogFile.Log("Phone has been emergency flashed unsuccessfully!", LogType.FileAndConsole);
PayloadStream.Dispose();
return(false);
}
if (Connected)
{
Serial.SendData(PacketFromPcToProgrammer);
}
if (ExpectingReplyFromProgrammer)
{
if (!Connected)
{
Connected = ConnectToProgrammer(PacketFromPcToProgrammer);
if (Connected)
{
LogFile.Log("Handshake completed with programmer in validated image programming (VIP) mode", LogType.FileAndConsole);
}
else
{
LogFile.Log("Handshake with programmer failed", LogType.FileAndConsole);
}
if (!Connected)
{
LogFile.Log("Phone programmer is now ignoring us, leaving...", LogType.FileAndConsole);
// Workaround for problem
// SerialPort is sometimes not disposed correctly when the device is already removed.
// So explicitly dispose here
Serial.Close();
LogFile.Log("Phone has been emergency flashed unsuccessfully!", LogType.FileAndConsole);
PayloadStream.Dispose();
return(false);
}
}
else
{
do
{
Serial.SetTimeOut(500);
Incoming = Encoding.ASCII.GetString(Serial.GetResponse(null));
Serial.SetTimeOut(200);
LogFile.Log("In: " + Incoming, LogType.FileAndConsole);
}while (Incoming.IndexOf("response value") < 0);
if (Incoming.Contains("rawmode=\"false\""))
{
ProgrammerRawMode = false;
LogFile.Log("Raw mode: OFF", LogType.FileAndConsole);
}
if (Incoming.Contains("rawmode=\"true\""))
{
ProgrammerRawMode = true;
LogFile.Log("Raw mode: ON", LogType.FileAndConsole);
}
if (!Incoming.Contains("ACK"))
{
LogFile.Log("Phone programmer is now ignoring us, leaving...", LogType.FileAndConsole);
// Workaround for problem
// SerialPort is sometimes not disposed correctly when the device is already removed.
// So explicitly dispose here
Serial.Close();
LogFile.Log("Phone has been emergency flashed unsuccessfully!", LogType.FileAndConsole);
PayloadStream.Dispose();
return(false);
}
}
}
}
// Workaround for problem
// SerialPort is sometimes not disposed correctly when the device is already removed.
// So explicitly dispose here
Serial.Close();
LogFile.Log("Phone has been emergency flashed successfully!", LogType.FileAndConsole);
PayloadStream.Dispose();
return(true);
}