burnflash.cpp

在高通的手机平台下,一个下载手机.bin文件到手机的flash中的工具,包含PC端的程序代码和运行在基带处理器中的代码.

// NAME: BurnFlash.cpp
//--------------------------------------------------------------------------------------------------
//
// GENERAL DESCRIPTION
//	
//--------------------------------------------------------------------------------------------------
//
// Revision History:
//                             Modification     Tracking
// Author                          Date          Number     Description of Changes
// -------------------------   ------------    ----------   ----------------------------------------
//
//
// Portability: 
//	This module can be portable to other C++ compilers or Win32 platforms. 
//
/*
 when        who                 what, where, why
 --------  --------     ---------------------------------------------------------------
 01/27/05  nony.wu      Change to communicate with dlram to support higher UART
 01/20/05  nony.wu      fixed bugs to support baudrate change
 ============================================================================ */

//--------------------------------------------------------------------------------------------------
//                                       INCLUDE FILES
//--------------------------------------------------------------------------------------------------
#include "stdafx.h"

using namespace std;

#include <io.h>
#include <fcntl.h>
#include <sys/stat.h>
#include "common.h"
#include "UART.h"
#include "BurnFlash.h"
#include "ProcDiag.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//--------------------------------------------------------------------------------------------------
//                                     CONSTANT
//--------------------------------------------------------------------------------------------------
#define RAM_BASE	0x1000000

//--------------------------------------------------------------------------------------------------
//                                     GLOBAL VARIABLES
//--------------------------------------------------------------------------------------------------

CBurnFlash theFlash;				//the unique instance for the application
//--------------------------------------------------------------------------------------------------
//                                     CLASS IMPLEMENTATION
//--------------------------------------------------------------------------------------------------
//
// Construction/Destruction
//--------------------------------------------------------------------------------------------------
CBurnFlash::CBurnFlash()
{
	m_pDiag = new CProcDiag();
	m_packet_snd = new pkt_buffer_type;
	if(m_packet_snd == NULL)
	{
		cout << "memory new error." << endl;
		exit(1);
	}
}

CBurnFlash::~CBurnFlash()
{
	delete m_packet_snd;
	m_packet_snd = NULL;

	delete m_pDiag;
	m_pDiag = NULL;
}
//--------------------------------------------------------------------------------------------------
//External Member Fucntions
//--------------------------------------------------------------------------------------------------
//
// FUNCTION: CBurnFlash::LoadData
//
// DESCRIPTION: 
//		This function writes the phone S/W to the specific Flash address.
//
// ARGUMENTS PASSED:
//		strFile			the name of the file in which contains data to be written;
//		nDstAddr		the original address from which to write the data;
//		nSpaceSize		the space size allowed to be written;
//		bCode			the flag indicating which Flash that the data to be written to. 
//						If true, the CodeFlash is to be written, else  
//						the DataFlash is to be written.
//
// RETURN VALUE:
//		SUCCESS
//		ERR_NO_VALID_RAM_FILE
//		ERR_NO_VALID_TARGET_FILE
//		ERR_SND_DLOAD_CMD
//		ERR_COMM_FAIL
//		ERR_SND_RAM_FILE
//		ERR_ERASE_FLASH_FAIL
// PRE-CONDITIONS:
//    (1) The phone must work on a normal state. 
//	  (2) The phone and the PC connect with a cable through COM1/COM2
//
// POST-CONDITIONS:
//    The new phone S/W are written to the Flash and the phone will restarted 
//	  automatically.
//    
// IMPORTANT NOTES:
//    None
//
//--------------------------------------------------------------------------------------------------
int 
CBurnFlash::LoadData(char* strFile, DWORD dwDstAddr,DWORD dwSpaceSize, BOOL bCode, BOOL bInitial)
{
	BYTE	buf[MAX_PACKET_LEN];
	DWORD	dwMaxReadSize = 5*1024;
	DWORD	dwFileLen;
	int		hFile;

	hFile = _open(strFile, _O_BINARY | _O_RDONLY,_S_IREAD);
	dwFileLen = _filelength(hFile);

	if( hFile == -1 || dwFileLen == 0)
		return ERR_NO_VALID_TARGET_FILE;

	if(bInitial)
	{
		if(!RAMFileExist())			
		return ERR_NO_VALID_RAM_FILE;
		
		BOOL diag_download;

        /* Send Hello to see if it is in diag download mode */
		if(m_pDiag->SayHello()==SUCCESS)
		{
			diag_download = TRUE;
    	}
		else{
			diag_download = FALSE;
		}

        printf("diag_download =%d ", diag_download);


		if(diag_download){
		cout << TAB_SUB_OPR << "Change the phone state to offline." << endl;
		if(m_pDiag->SendDloadCmd()!= SUCCESS)	
			return ERR_SND_DLOAD_CMD;
		}
		//////cout << TAB_SUB_OPR << "Change the phone state to offline." << endl;
		///////if(m_pDiag->SendDloadCmd()!= SUCCESS)	
		///////	return ERR_SND_DLOAD_CMD;

		

/*		cout << TAB_SUB_OPR << "Change the UART BaudRate to 115200." << endl;	
		if(!theComm.SetBaudRateTo115200())*/
		
		//wait the phone ready to download
		Sleep(1000);

		cout << TAB_SUB_OPR << "Load the ram downloader." << endl;
		if(LoadRAMFile("dlram.bin") != SUCCESS)					
			return ERR_SND_RAM_FILE;
	}

	   baud_rate_type bt;
	   extern baudrate;
       switch(baudrate)
       	{
	   	    case 0:
				bt=UART_576K_BPS;
        		cout << TAB_SUB_OPR << "Change the UART BaudRate to 57600." << endl;	
				break;
	   	    case 1:
				bt=UART_1152K_BPS;
        		cout << TAB_SUB_OPR << "Change the UART BaudRate to 115200." << endl;	
				break;
			case 2:
				bt=UART_2304K_BPS;
        		cout << TAB_SUB_OPR << "Change the UART BaudRate to 230400." << endl;	
				break;
			case 4:
				bt=UART_4608K_BPS;
        		cout << TAB_SUB_OPR << "Change the UART BaudRate to 460800." << endl;	
				break;
			default:
				bt=UART_1152K_BPS;
        		cout << TAB_SUB_OPR << "Change the UART BaudRate to 115200." << endl;	

        }

    if(bt!=UART_1152K_BPS && bt!=UART_576K_BPS)
     {
        FormChangeBaudRateCMD(bt);
    	if( !SendAndWaitRsp())
	    {
		TRACE0("\r\nsend Change Baud Rate Cmd fail.\r\n");
		_close(hFile);
		return ERR_COMM_FAIL;
     	}

		if(!theComm.SetBaudRate(bt))
		        	return ERR_COMM_FAIL;
     }
	
	
	cout << TAB_SUB_OPR << "Erase the Flash......"<< endl;
	FormEraseFlashCMD(dwDstAddr, dwSpaceSize, bCode);
	if( !SendAndWaitRsp())
		return ERR_ERASE_FLASH_FAIL;

	cout << TAB_SUB_OPR << "Erase successfully"<< endl;
	cout << TAB_SUB_OPR << "Begin to download"<< endl;

	cout << TAB_SUB_OPR;
	DWORD dwRead = 0;
	do{
		 cout << "*";
		dwRead = _read(hFile, buf, dwMaxReadSize);
		if(dwRead == 0)
			break;
		
		FormWriteFlashCMD(dwDstAddr, buf, dwRead, bCode);	
		if( !SendAndWaitRsp())
		{
			cout << endl;
			return ERR_WRITE_FLASH_FAIL;
		}
	
		dwDstAddr += dwRead;
		
	}while(dwRead != 0);

	cout << endl;
	cout << TAB_SUB_OPR << "Download Successfully"<< endl;

	return SUCCESS;
}
//--------------------------------------------------------------------------------------------------
//
// FUNCTION: CBurnFlash::EraseFlash
//
// DESCRIPTION: 
//    This function erases the spaces of the DataFlash or CodeFlash from the specified address.
//
// ARGUMENTS PASSED:
//		nDstAddr	the original address to be erased
//		nSpaceSize	the size to be erased from the specified original address
//		bCode		the flag indicating which Flash to be erased. If true, the CodeFlash is erased, 
//					else the DataFlash is erased.
//
// RETURN VALUE:
//	  SUCCESS
//    ERR_NO_VALID_RAM_FILE
//	  ERR_COMM_FAIL
//	  ERR_SND_RAM_FILE
//    ERR_ERASE_FLASH_FAIL
//
// PRE-CONDITIONS:
//    (1) The phone must work on a normal state. 
//	  (2) The phone and the PC connect with a cable through COM1/COM2
//
// POST-CONDITIONS:
//    The relevant area in the phone Flash memory is filled with 0xFF and the phone will restart automatically.
//
// IMPORTANT NOTES:
//    None
//
//--------------------------------------------------------------------------------------------------
int 
CBurnFlash::EraseFlash(DWORD dwDstAddr, DWORD dwSpaceSize, BOOL bCode, BOOL bInitial)
{
	if (bInitial)
	{
		if(!RAMFileExist())			
			return ERR_NO_VALID_RAM_FILE;

		cout << TAB_SUB_OPR << "send Dload Cmd to phone." << endl;
		if(m_pDiag->SendDloadCmd() != SUCCESS)
			return ERR_SND_DLOAD_CMD;
		
		cout << TAB_SUB_OPR << "change PC BaudRate to 115200." << endl;
		if(!theComm.SetBaudRateTo115200())
			return ERR_COMM_FAIL;
		
		//wait the phone ready to download
		Sleep(1000);
		
		cout << TAB_SUB_OPR << "prepare for download." << endl;
		if(LoadRAMFile("dlram.bin") != SUCCESS)					
			return ERR_SND_RAM_FILE;
	}

	cout << TAB_SUB_OPR << "start to erase......"<< endl;
	FormEraseFlashCMD(dwDstAddr, dwSpaceSize, bCode);
	if( !SendAndWaitRsp())
		return ERR_ERASE_FLASH_FAIL;
	
	return SUCCESS;
}

//--------------------------------------------------------------------------------------------------
//
// FUNCTION: CBurnFlash::ResetPhone
//
// DESCRIPTION: 
//    This function sends a Reset CMD to phone and restores the PC serial
//	  port BaudRate to 38400.
//
// ARGUMENTS PASSED:
//	None
//
// RETURN VALUE: