brdbootldr/ubootldr/ymodemu.cpp
changeset 0 a41df078684a
equal deleted inserted replaced
-1:000000000000 0:a41df078684a
       
     1 // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of the License "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // bootldr\src\ymodemb.cpp
       
    15 // 
       
    16 //
       
    17 
       
    18 #define FILE_ID		0x594D4442
       
    19 
       
    20 #include "bootldr.h"
       
    21 #include <d32comm.h>
       
    22 #include "ymodemu.h"
       
    23 
       
    24 _LIT(KSerialLddName, "ECOMM");
       
    25 _LIT(KSerialPddName, "EUART");
       
    26 
       
    27 #if 0
       
    28 GLREF_C void RequestSignal(TInt aCount);
       
    29 GLREF_C void HandleClose(TInt aHandle);
       
    30 GLREF_C TInt OpenCommPort(TInt aPort, TInt& aHandle);
       
    31 GLREF_C void WriteToCommPort(TInt aHandle, TRequestStatus& aStatus, const TDesC8& aDes);
       
    32 GLREF_C void CommReadOneOrMore(TInt aHandle, TRequestStatus& aStatus, TDes8& aDes);
       
    33 GLREF_C void CommRead(TInt aHandle, TRequestStatus& aStatus, TDes8& aDes);
       
    34 GLREF_C void CommReadCancel(TInt aHandle);
       
    35 #endif 
       
    36 
       
    37 YModemU* TheYModem;
       
    38 TInt DownloadMode;
       
    39 
       
    40 YModemU::YModemU(TBool aG)
       
    41 	: YModem(aG)
       
    42 	{
       
    43 	}
       
    44 
       
    45 YModemU::~YModemU()
       
    46 	{
       
    47 	iComm.Close();
       
    48 	iTimer.Close();
       
    49 	}
       
    50 
       
    51 TInt YModemU::Create(TInt aPort)
       
    52 	{
       
    53 	TInt r=iComm.Open(aPort);
       
    54 	if (r!=KErrNone)
       
    55 		return r;
       
    56 	TCommConfig cfg;
       
    57 	TCommConfigV01& c=cfg();
       
    58 	iComm.Config(cfg);
       
    59 	c.iRate=SerialBaud;
       
    60 	c.iDataBits=EData8;
       
    61 	c.iStopBits=EStop1;
       
    62 	c.iParity=EParityNone;
       
    63 //	c.iHandshake=KConfigFreeRTS|KConfigFreeDTR;
       
    64 	c.iHandshake=0;
       
    65 	c.iFifo=EFifoEnable;
       
    66 	c.iTerminatorCount=0;
       
    67 	r=iComm.SetConfig(cfg);
       
    68 	if (r!=KErrNone)
       
    69 		return r;
       
    70 	r=iComm.SetReceiveBufferLength(8192);
       
    71 	if (r!=KErrNone)
       
    72 		return r;
       
    73 	return iTimer.CreateLocal();
       
    74 	}
       
    75 
       
    76 YModemU* YModemU::NewL(TInt aPort, TBool aG)
       
    77 	{
       
    78 	YModemU* p=new YModemU(aG);
       
    79 	TInt r=p->Create(aPort);
       
    80 	if (r!=KErrNone)
       
    81 		{
       
    82 		delete p;
       
    83 		User::Leave(r);
       
    84 		}
       
    85 	return p;
       
    86 	}
       
    87 
       
    88 void YModemU::WriteC(TUint aChar)
       
    89 	{
       
    90 	TBuf8<1> b;
       
    91 	b.SetLength(1);
       
    92 	b[0]=(TUint8)aChar;
       
    93 	TRequestStatus s;
       
    94 	iComm.Write(s,b);
       
    95 	User::WaitForRequest(s);
       
    96 	}
       
    97 
       
    98 TInt YModemU::ReadBlock(TDes8& aDest)
       
    99 	{
       
   100 	aDest.Zero();
       
   101 	TRequestStatus s1, s2;
       
   102 	iTimer.After(s1,iTimeout);
       
   103 //	test.Printf(_L("@%dms %d\n"),User::FastCounter(),iComm.QueryReceiveBuffer());
       
   104 	iComm.Read(s2,aDest);
       
   105 	User::WaitForRequest(s1,s2);
       
   106 	if (s2!=KRequestPending)
       
   107 		{
       
   108 		iTimer.Cancel();
       
   109 		User::WaitForRequest(s1);
       
   110 		return s2.Int();
       
   111 		}
       
   112 	iComm.ReadCancel();
       
   113 	User::WaitForRequest(s2);
       
   114 	return KErrTimedOut;
       
   115 	}
       
   116 
       
   117 TInt ReadYModemInputData(TUint8* aDest, TInt& aLength)
       
   118 	{
       
   119 	if( TheYModem->IsHeaderStored() )
       
   120 	    {
       
   121 	    DEBUG_PRINT((_L(">>ReadYModemInputData(aDest:0x%08x, aLength:%d)\r\n"), aDest, aLength))
       
   122 	    TInt r = TheYModem->GetHeaderBufferContent(aDest, aLength);
       
   123 	    DEBUG_PRINT((_L("<<ReadYModemInputData(aDest:0x%08x, aLength:%d):%d\r\n"), aDest, aLength, r))
       
   124 	    return r;
       
   125 	    }
       
   126     else
       
   127         {
       
   128         TUint8* pD=aDest;
       
   129     	TInt r=TheYModem->ReadPackets(pD,aLength);
       
   130     	aLength=pD-aDest;
       
   131     	return r;    
       
   132         }	    
       
   133 	
       
   134 	}
       
   135 
       
   136 void CloseYModem()
       
   137 	{
       
   138 	DEBUG_PRINT((_L(">>CloseYModem()\r\n")));
       
   139 	TBuf<256> name;
       
   140 	TInt size=-1;
       
   141 	TheYModem->StartDownload(DownloadMode, size, name);
       
   142 	DEBUG_PRINT((_L("<<CloseYModem()\r\n")));
       
   143 	}
       
   144 
       
   145 GLDEF_C TInt InitSerialDownload(TInt aPort)
       
   146 	{
       
   147 //	RThread().SetSystem(ETrue);
       
   148 
       
   149 	TInt r=LoadDriver(KSerialLddName,0);
       
   150 	if (r!=KErrNone)
       
   151 		BOOT_FAULT();
       
   152 	r=LoadDriver(KSerialPddName,1);
       
   153 	if (r!=KErrNone)
       
   154 		BOOT_FAULT();
       
   155 
       
   156 	TInt PortNumber=aPort;
       
   157 	DownloadMode=KYModemGMode;
       
   158 	
       
   159 	TRAP(r,TheYModem=YModemU::NewL(PortNumber,ETrue));
       
   160 	if (r!=KErrNone || TheYModem==NULL)
       
   161 		BOOT_FAULT();
       
   162 
       
   163 //	r=YModemB::New(TheYModem,PortNumber,DownloadMode);
       
   164 //	TEST(r==KErrNone && TheYModem!=NULL);
       
   165 	YModemU* pY=TheYModem;
       
   166 
       
   167 	TBuf<256> name;
       
   168 	r=pY->StartDownload(DownloadMode, FileSize, name);
       
   169 	if (r!=KErrNone)
       
   170 		return r;
       
   171 
       
   172 #ifdef __SUPPORT_UNZIP__
       
   173 	if (name.Length()>=4 && name.Right(4).MatchF(_L(".zip"))==0 && FileSize!=0)
       
   174 		ImageZip=ETrue;
       
   175 	else
       
   176 #endif
       
   177 		ImageZip=EFalse;
       
   178 
       
   179 #ifdef __SUPPORT_FLASH_REPRO__
       
   180 	if (name.Length()>=8 && (name.Left(8).MatchF(_L("FLASHIMG"))==0 || name.Left(8).MatchF(_L("FLASHLDR"))==0) && FileSize!=0)
       
   181 		{
       
   182 		LoadToFlash=ETrue;
       
   183 		if (name.Left(8).MatchF(_L("FLASHLDR"))==0)
       
   184 			FlashBootLoader=ETrue;
       
   185 
       
   186 		}
       
   187 	else
       
   188 #endif
       
   189 		LoadToFlash=EFalse;
       
   190 
       
   191     if (!ImageZip)
       
   192         {
       
   193         r = pY->GetInnerCompression(ImageDeflated, RomLoaderHeaderExists);
       
   194         if(KErrNone != r)
       
   195             {
       
   196             PrintToScreen(_L("Unable to determine the compression!\r\n"));
       
   197 		    BOOT_FAULT();    
       
   198             }
       
   199         }
       
   200 	LoadDevice=ELoadSerial;
       
   201 	InputFunction=ReadYModemInputData;
       
   202 	CloseInputFunction=CloseYModem;
       
   203 	FileName=name;
       
   204 
       
   205 	return KErrNone;
       
   206 	}
       
   207