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kudzu_cp 2008-09-18 00:06:24 +00:00
parent 7bf432310d
commit 0db7db6781
2 changed files with 75 additions and 60 deletions
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133
source/Cosmos.Build.Windows/DebugConnectorStream.cs
View file

@ -9,14 +9,20 @@ using Cosmos.IL2CPU.Debug;
namespace Cosmos.Build.Windows {
public abstract class DebugConnectorStream : DebugConnector {
private Stream mStream;
// Buffer to hold incoming message
private byte[] mPacket = new byte[5];
// Current # of bytes in mPacket
private int mCurrentPos = 0;
// Current packet size - Set after first byte (command) is received
// Set to 0 when waiting on a packet
private int mPacketSize = 0;
private MsgType mMsgType;
protected delegate void PacketReceivedDelegate(byte[] aBytes);
protected class Incoming {
public Stream Stream;
// Buffer to hold incoming message
public byte[] Packet = new byte[5];
// Current # of bytes in mPacket
public int CurrentPos = 0;
// Current packet size - Set after first byte (command) is received
// Set to 0 when waiting on a packet
public int PacketSize = 0;
public MsgType MsgType;
}
public override void SendCommand(byte aCmd) {
var xData = new byte[1];
@ -26,66 +32,75 @@ namespace Cosmos.Build.Windows {
protected void Start(Stream aStream) {
mStream = aStream;
var xIncoming = new Incoming() { Stream = aStream };
// Request first command
aStream.BeginRead(mPacket, 0, 1, new AsyncCallback(DoRead), aStream);
aStream.BeginRead(xIncoming.Packet, 0, 1, new AsyncCallback(DoRead), xIncoming);
}
private void CmdReceived(byte[] aBytes) {
}
private void DoRead(IAsyncResult aResult) {
try {
var xStream = (Stream)aResult.AsyncState;
int xCount = xStream.EndRead(aResult);
int xBytesToRead;
// If 0, end of stream then just exit without calling BeginRead again
if (xCount == 0) {
return;
// Command received, determine packet size
} else if (mCurrentPos == 0) {
mMsgType = (MsgType)mPacket[0];
switch (mMsgType) {
case MsgType.TracePoint:
mPacketSize = 5;
break;
case MsgType.Text:
mPacketSize = 2;
break;
default:
throw new Exception("Unknown debug command");
}
mCurrentPos = 1;
xBytesToRead = mPacketSize - 1;
// Read size byte
} else if ((mMsgType == MsgType.Text) && (mCurrentPos == 1)) {
xBytesToRead = mPacket[1];
mCurrentPos = 2;
mPacketSize = xBytesToRead + mCurrentPos;
mPacket = new byte[mPacketSize];
// Full packet received, process it
} else if ((xCount + mCurrentPos) == mPacketSize) {
switch (mMsgType) {
case MsgType.TracePoint:
UInt32 xEIP = (UInt32)((mPacket[4] << 24) | (mPacket[3] << 16)
| (mPacket[2] << 8) | mPacket[1]);
Dispatcher.BeginInvoke(DispatcherPriority.Background, CmdTrace, xEIP);
break;
case MsgType.Text:
string xText = ASCIIEncoding.ASCII.GetString(mPacket, 2, mPacket.Length - 2);
Dispatcher.BeginInvoke(DispatcherPriority.Background, CmdText, xText);
break;
}
// Request next command
mCurrentPos = 0;
mPacketSize = 0;
xBytesToRead = 1;
mPacket = new byte[5];
} else {
mCurrentPos += xCount;
xBytesToRead = mPacketSize - mCurrentPos;
}
xStream.BeginRead(mPacket, mCurrentPos, xBytesToRead, new AsyncCallback(DoRead), xStream);
} catch (System.IO.IOException ex) {
Dispatcher.BeginInvoke(DispatcherPriority.Background, ConnectionLost, ex);
}
}
private void DoRead2(IAsyncResult aResult) {
var xIncoming = (Incoming)aResult.AsyncState;
int xCount = xIncoming.Stream.EndRead(aResult);
int xBytesToRead;
// If 0, end of stream then just exit without calling BeginRead again
if (xCount == 0) {
return;
// Command received, determine packet size
} else if (xIncoming.CurrentPos == 0) {
xIncoming.MsgType = (MsgType)xIncoming.Packet[0];
switch (xIncoming.MsgType) {
case MsgType.TracePoint:
xIncoming.PacketSize = 5;
break;
case MsgType.Text:
xIncoming.PacketSize = 2;
break;
default:
throw new Exception("Unknown debug command");
}
xIncoming.CurrentPos = 1;
xBytesToRead = xIncoming.PacketSize - 1;
// Read size byte
} else if ((xIncoming.MsgType == MsgType.Text) && (xIncoming.CurrentPos == 1)) {
xBytesToRead = xIncoming.Packet[1];
xIncoming.CurrentPos = 2;
xIncoming.PacketSize = xBytesToRead + xIncoming.CurrentPos;
xIncoming.Packet = new byte[xIncoming.PacketSize];
// Full packet received, process it
} else if ((xCount + xIncoming.CurrentPos) == xIncoming.PacketSize) {
switch (xIncoming.MsgType) {
case MsgType.TracePoint:
UInt32 xEIP = (UInt32)((xIncoming.Packet[4] << 24) | (xIncoming.Packet[3] << 16)
| (xIncoming.Packet[2] << 8) | xIncoming.Packet[1]);
Dispatcher.BeginInvoke(DispatcherPriority.Background, CmdTrace, xEIP);
break;
case MsgType.Text:
string xText = ASCIIEncoding.ASCII.GetString(xIncoming.Packet, 2
, xIncoming.Packet.Length - 2);
Dispatcher.BeginInvoke(DispatcherPriority.Background, CmdText, xText);
break;
}
// Request next command
xIncoming.CurrentPos = 0;
xIncoming.PacketSize = 0;
xBytesToRead = 1;
xIncoming.Packet = new byte[5];
} else {
xIncoming.CurrentPos += xCount;
xBytesToRead = xIncoming.PacketSize - xIncoming.CurrentPos;
}
xIncoming.Stream.BeginRead(xIncoming.Packet, xIncoming.CurrentPos, xBytesToRead
, new AsyncCallback(DoRead), xIncoming);
}
}
}

2
source/Cosmos.Shell.Guess/Program.cs
View file

@ -23,7 +23,7 @@ namespace Cosmos.Demo.Guess {
+ Cosmos.Hardware.RTC.GetSeconds()));
// Divide by 100, get remainder
int xMagicNo = xRandom.Next() % 100;
Debugger.Send("The magic number is " + xMagicNo);
//Debugger.Send("The magic number is " + xMagicNo);
Console.WriteLine("I am thinking of a number between 0 and 100. What is it?");
Debugger.TraceOff();
while (true) {