cfgfile.c

一个操作系统源代码 用于嵌入式设备 在Vc++环境下仿真 成功移植到多款处理器上

//------------------------------------------------------------------------------
// File:        cCfgFile.c
// Date:        2001-7-12 pm 01:44:21
// Written by:  CYu
// Decription:  
// Modification record
//------------------------------------------------------------------------------
// Copyright:   EPSON Proprietary Material
//              Copyright (c) 2001, All Rights Reserved
//              SHANGHAI EPSON ELECTRONICS CO., LTD.
//
//              DISTRIBUTION PROHIBITED without written authorization from EPSON
//------------------------------------------------------------------------------
#include <windows.h>
#include <io.h>
#include <fcntl.h>
#include <stdio.h>
#include <srvstruct.h>

//--- macro and definition -----------------------------------------------------

//--- static variables ---------------------------------------------------------
//--- external variables -------------------------------------------------------
KEYPOS kpa[256];
int screenWidth;
int screenHeight;
int screenPosX;
int screenPosY;
char tcaPanelFileName[256];
int nKeyNumber=0;

//--- shared variables ---------------------------------------------------------
//--- static functions ---------------------------------------------------------
static BOOL GetFileLine( int handle, BYTE *pLineBuffer );
static void ShowAlarmMessage( LPSTR lpMessage );
//--- external functions -------------------------------------------------------
extern BOOL GetConfigurationFromFile( void );

//------------------------------------------------------------------------------
// Function name  : GetConfigurationFromFile
// Description    : 
// No return value
// No argument
// Remarks        : nothing special. You are the expert in this technical area
// So also        : 
//------------------------------------------------------------------------------
BOOL GetConfigurationFromFile( void )
{
    int handle;
    BYTE baLineBuffer[1024];

    handle = _open( "config\\cSim.ini", _O_BINARY | _O_RDONLY );
    if( handle == -1 )
    {    
		ShowAlarmMessage( "Can not open configuration file" );
		return FALSE;
	}
    else
    {
        while( GetFileLine( handle, baLineBuffer ) )
        {
            if( baLineBuffer[0] == '\r' )
                continue;
            else if( !memcmp( baLineBuffer, "//", 2 ) )
                continue;
            else if( !memcmp( baLineBuffer, "PanelBmp=", 9 ) )
                sprintf( tcaPanelFileName, "config\\%s",baLineBuffer+9 );
            else if( !memcmp( baLineBuffer, "ScreenWidth=", 12 ) )
                screenWidth = atoi( baLineBuffer+12 );
            else if( !memcmp( baLineBuffer, "ScreenHeight=", 13 ) )
                screenHeight = atoi( baLineBuffer+13 );
            else if( !memcmp( baLineBuffer, "ScreenPosX=", 11 ) )
                screenPosX = atoi( baLineBuffer+11 );
            else if( !memcmp( baLineBuffer, "ScreenPosY=", 11 ) )
                screenPosY = atoi( baLineBuffer+11 );
            else if( !memcmp( baLineBuffer, "KeyNumber=", 10 ) )
            {
                int i;

                nKeyNumber = atoi( baLineBuffer+10 );
				memset( kpa, 0, sizeof( kpa ) );
                for(i=0;i<nKeyNumber;i++)
                {
                    GetFileLine( handle, baLineBuffer );
                    sscanf( baLineBuffer, "%d,%d,%d%*s", &kpa[i].uKeyCode, &kpa[i].pt.x, &kpa[i].pt.y );
                }
            }
        }
        _close( handle );
		return TRUE;
    }
}

//------------------------------------------------------------------------------
// Function name  : GetFileLine
// Description    : 
// Return type    : BOOL - this function return FALSE while reach the end of
//                  file
// Argument       : int handle
// Argument       : BYTE *pLineBuffer
// Remarks        : 
// So also        : 
//------------------------------------------------------------------------------
static BOOL GetFileLine(	int handle, 
							BYTE *pLineBuffer )
{
    int i;
    BOOL bRet;

    i = 0;
    while( i<255 )
    {
        if( _read( handle, pLineBuffer+i, 1 ) )
        {
            if( pLineBuffer[i] == '\n' )// 0x0a
            {
                if( pLineBuffer[i-1] == '\r' )// 0x0a
                    pLineBuffer[i-1] = 0;
                bRet = TRUE;
                break;
            }
        }
        else// end of file
        {
            bRet =  FALSE;
            break;
        }
        i++;
    }
    pLineBuffer[i] = 0;
    return bRet;
}

//------------------------------------------------------------------------------
// Function name  : ShowAlarmMessage
// Description    : 
// No return value
// Argument       : LPSTR lpMessage - caller decides the message text
// Remarks        :
// So also        : 
//------------------------------------------------------------------------------
void ShowAlarmMessage( LPSTR lpMessage )
{
    if( strlen( lpMessage ) )
    {
        // annoying sound
        Beep( 1000, 50 );
        Beep( 2000, 50 );
        Beep( 1500, 50 );
        Beep( 2000, 50 );
        MessageBox( NULL, lpMessage, "Error", MB_OK | MB_ICONERROR );
    }
}

//----------------------------- The End of the File ----------------------------