//**********************************************************************************
//**********************************************************************************
#region Code for UART interfacing thread
/// <summary>
/// The main function of the thread where all the cool stuff happens
/// to interface with the device
/// </summary>
public static void WorkerThreadStart()
{
switch (cmdParams.CMDMagicFlag)
{
case MagicFlags.SLT_MAGIC_LOADIMAGE_IRAM:
{
TransmitAppToIRAM();
break;
}
case MagicFlags.SLT_MAGIC_LOADIMAGE_DDR:
{
// Send SLT and the app to DDR
TransmitSLTAndApp();
// Wait for second ^^^DONE that indicates SLT is done
if (!SerialIO.waitForSequence(" DONE\0", "BOOTUBL\0", MySP, true))
{
throw new Exception("Final DONE not returned. Operation failed.");
}
break;
}
default:
{
Console.WriteLine("Command not recognized!");
break;
}
}
// Clean up any embedded files we extracted
EmbeddedFileIO.CleanUpEmbeddedFiles();
// Everything worked, so change boolean status
workerThreadSucceeded = true;
}
//**********************************************************************************
//**********************************************************************************
#region Code for UART interfacing thread
/// <summary>
/// The main function of the thread where all the cool stuff happens
/// to interface with the device
/// </summary>
public static void WorkerThreadStart()
{
Boolean status;
// Try transmitting the first stage boot-loader (UBL) via the RBL
try
{
String srchStr;
Byte[] imageData;
UARTBOOT_Header ackHeader = new UARTBOOT_Header();
if (cmdParams.UBLFlashType == FlashType.NAND)
{
srchStr = "sft_" + devString + "_nand.bin";
}
else
{
srchStr = "sft_" + devString + "_nor.bin";
}
// Extract the embedded SLT
EmbeddedFileIO.ExtractFile(System.Reflection.Assembly.GetExecutingAssembly(), srchStr, true);
// Read the extracted embedded SFT data that we will transmit
imageData = FileIO.GetFileData(srchStr);
ackHeader.startAddr = 0x0100; // Default for SFT
ackHeader.loadAddr = 0x0020; // Not used here, but this what the RBL uses
ackHeader.byteCnt = (UInt32)imageData.Length;
TransmitUBL(imageData, ackHeader);
}
catch (Exception e)
{
if (e is ThreadAbortException)
{
Thread.Sleep(1000);
}
else
{
Console.WriteLine(e.Message);
}
return;
}
// Sleep in case we need to abort
Thread.Sleep(200);
// Code to perform specified command
try
{
BOOTUBLSEQ1:
// Clear input buffer so we can start looking for BOOTUBL
MySP.DiscardInBuffer();
Console.WriteLine("\nWaiting for SFT on the " + devString + "...");
// Wait for the SFT on the device to send the ^BOOTUBL\0 sequence
if (!SerialIO.waitForSequence("BOOTUBL\0", "BOOTUBL\0", MySP, true))
{
goto BOOTUBLSEQ1;
}
Console.WriteLine("BOOTUBL commmand received. Returning CMD and command...");
// 8 bytes acknowledge sequence = " CMD\0"
MySP.Write(" CMD\0");
// 8 bytes of magic number
MySP.Write(((UInt32)cmdParams.CMDMagicFlag).ToString("X8"));
Console.WriteLine("CMD value sent. Waiting for DONE...");
if (!SerialIO.waitForSequence(" DONE\0", "BOOTUBL\0", MySP, true))
{
goto BOOTUBLSEQ1;
}
Console.WriteLine("DONE received. Command was accepted.");
// Take appropriate action depending on command
switch (cmdParams.CMDMagicFlag)
{
case MagicFlags.UBL_MAGIC_NAND_FLASH:
{
status = TransmitUBLandAPP();
break;
}
case MagicFlags.UBL_MAGIC_NOR_FLASH:
{
status = TransmitUBLandAPP();
break;
}
case MagicFlags.UBL_MAGIC_NOR_FLASH_NO_UBL:
{
status = TransmitAPP();
break;
}
case MagicFlags.UBL_MAGIC_NOR_ERASE:
{
status = TransmitErase();
break;
}
case MagicFlags.UBL_MAGIC_NAND_ERASE:
{
status = TransmitErase();
break;
}
default:
{
Console.WriteLine("Command not recognized!");
status = false;
break;
}
}
if (!status)
{
goto BOOTUBLSEQ1;
}
}
catch (Exception e)
{
if (e is ThreadAbortException)
{
Thread.Sleep(1000);
}
else
{
Console.WriteLine(e.Message);
}
return;
}
// Wait for ^^^DONE that indicates SFT is exiting and so can this host program
if (!SerialIO.waitForSequence(" DONE\0", "BOOTUBL\0", MySP, true))
{
throw new Exception("Final DONE not returned. Operation failed.");
}
// Clean up any embedded files we extracted
EmbeddedFileIO.CleanUpEmbeddedFiles();
// Everything worked, so change boolean status
workerThreadSucceeded = true;
}