debug.cpp

一个无线网卡的驱动程序,基于win2

//////////////////////////////////////////////////////////////////////////

//    Copyright @2003 Peng He,Information Science Insititute,XiDian University

//    MyNdis_Wdm example
//Abstract:
//    Debug.cpp  调试源文件
//Environment:
//    kernel mode only

//    Version history:
//
//    Peng.He - 04/17/03: this source code for  USB to fast Ethernet adapter driver
//	  show how an NDIS miniport driver can interface with an USB device. 
// 	  17-Apr-2003 creation
/////////////////////////////////////////////////////////////////////////



#if DBG


#include "wdm.h"
#include "stdarg.h"
#include "stdio.h"

#include "usbdi.h"
#include "usbdlib.h"
#include "debug.h"


// 程序开始


USB_DBGDATA gDbgBuf = { 0, 0, 0 }; 

// ptr to global debug data struct; txt buffer is only allocated in DBG builds
PUSB_DBGDATA gpDbg = &gDbgBuf; 

#ifdef DEBUG

    int DbgSettings =
                      //DBG_PNP |
                      //DBG_TIME     |
                      //DBG_DBG      |
                      //DBG_STAT     |
                      //DBG_FUNCTION |
                      DBG_ERROR    |
                      //DBG_WARN |
                      //DBG_BUFS |
                      //DBG_OUT |
                      0;

#endif

VOID DBG_PrintBuf(PUCHAR bufptr, int buflen)
{
    int i, linei;

    #define ISPRINT(ch) (((ch) >= ' ') && ((ch) <= '~'))
    #define PRINTCHAR(ch) (UCHAR)(ISPRINT(ch) ? (ch) : '.')

    DbgPrint("\r\n         %d bytes @%x:", buflen, bufptr);

    /*
     *  Print whole lines of 8 characters with HEX and ASCII
     */
    for (i = 0; i+8 <= buflen; i += 8) {
        UCHAR ch0 = bufptr[i+0],
            ch1 = bufptr[i+1], ch2 = bufptr[i+2],
            ch3 = bufptr[i+3], ch4 = bufptr[i+4],
            ch5 = bufptr[i+5], ch6 = bufptr[i+6],
            ch7 = bufptr[i+7];

        DbgPrint("\r\n         %02x %02x %02x %02x %02x %02x %02x %02x"
            "   %c %c %c %c %c %c %c %c",
            ch0, ch1, ch2, ch3, ch4, ch5, ch6, ch7,
            PRINTCHAR(ch0), PRINTCHAR(ch1),
            PRINTCHAR(ch2), PRINTCHAR(ch3),
            PRINTCHAR(ch4), PRINTCHAR(ch5),
            PRINTCHAR(ch6), PRINTCHAR(ch7));
    }

    /*
     *  Print final incomplete line
     */
    DbgPrint("\r\n        ");
    for (linei = 0; (linei < 8) && (i < buflen); i++, linei++){
        DbgPrint(" %02x", (int)(bufptr[i]));
    }

    DbgPrint("  ");
    i -= linei;
    while (linei++ < 8) DbgPrint("   ");

    for (linei = 0; (linei < 8) && (i < buflen); i++, linei++){
        UCHAR ch = bufptr[i];
        DbgPrint(" %c", PRINTCHAR(ch));
    }

    DbgPrint("\t\t<>\r\n");

}



#endif // end , if DBG