www.pudn.com > hd_ide.zip > DUG_IDE.C

/* 
** DUG_IDE : Provides IDE disk info on both drives in the system 
**           Version 1.0 
** 
** Copyright (c) 12 Jan 1993 by Doug Merrett - All rights reserved 
** 
** Postal Address: PO Box 432 
**                 Stones Corner  Q  4120 
**                 Australia 
** 
** Email Address:  dcm@mincom.oz.au 
** 
** You may distribute freely, but no modifications without mailing me a copy. 
** No profit can be made for distribution.  Blah Blah Blah etc. 
*/ 
 
/* Used by JPI for clrscr */ 
#define _JPI_WIN_ 
 
 
#include  
#include  
#include  
#include  
#include  
 
 
char *getascii (unsigned int in_data [], int off_start, int off_end); 
 
void main (void) 
{ 
  unsigned int dd [256]; /* DiskData */ 
  unsigned int dd_off;   /* DiskData offset */ 
  unsigned int loop;     /* Loop variable */ 
  int num_drv;           /* Number of Hard disks */ 
 
  union REGS registers;  /* Used for Interrupt for BIOS data */ 
 
 
  unsigned int bios_cyl [2], bios_head [2], bios_sec [2];  /* Cylinders, Heads, Sectors */ 
 
 
  clrscr (); 
 
  fprintf (stderr, "** DUG_IDE : Provides IDE disk info on both drives in the system\n"); 
  fprintf (stderr, "** Version 1.0\n"); 
  fprintf (stderr, "**\n"); 
  fprintf (stderr, "** Copyright (c) 12 Jan 1993 by Doug Merrett - All rights reserved\n"); 
  fprintf (stderr, "**\n"); 
  fprintf (stderr, "** Postal Address: PO Box 432\n"); 
  fprintf (stderr, "**                 Stones Corner  Q  4120\n"); 
  fprintf (stderr, "**                 Australia\n"); 
  fprintf (stderr, "**\n"); 
  fprintf (stderr, "** Email Address:  dcm@mincom.oz.au\n"); 
  fprintf (stderr, "**\n"); 
  fprintf (stderr, "** You may distribute freely, but no modifications without mailing me a copy.\n"); 
  fprintf (stderr, "** No profit can be made for distribution.  Blah Blah Blah etc.\n\n"); 
  fprintf (stderr, "Press any key to accept above limitations"); 
  getch (); 
 
  /* How many disk drives & parameters */ 
  num_drv = peekb (0x40, 0x75);  /* BIOS Data area, Number of Hard disks */ 
                                 /* Byte at Segment 40H Offset 75H */ 
 
  for (loop = 0; loop < num_drv; loop++)  /* Loop through drives */ 
    { 
      /* Get IDE Drive info */ 
 
      while (inp (0x1F7) != 0x50)  /* Wait for controller not busy */ 
        ; 
 
      outp (0x1F6, (loop == 0 ? 0xA0 : 0xB0)); /* Get first/second drive */ 
 
      outp (0x1F7, 0xEC);          /* Get drive info data */ 
 
      while (inp (0x1F7) != 0x58)  /* Wait for data ready */ 
        ; 
 
      for (dd_off = 0; dd_off != 256; dd_off++) /* Read "sector" */ 
        dd [dd_off] = inpw (0x1F0); 
 
      /* Get BIOS drive info */ 
      registers.h.ah = 0x8;            /* Get drive info */ 
      registers.h.dl = 0x80 + loop;    /* Drive is 80H for Disk 0, 81H for Disk 1 */ 
      int86 (0x13, ®isters, ®isters); 
      if (! registers.x.cflag)   /* All OK if carry not set */ 
        { 
          bios_head [loop] = registers.h.dh + 1; /* Heads are from 0 */ 
          bios_sec [loop] = registers.h.cl & 0x3F; /* sec is bits 5 - 0 */ 
          bios_cyl [loop] = ((registers.h.cl & 0xC0) << 2) + registers.h.ch + 2; /* +1 because starts from 0 and +1 for FDISK leaving one out */ 
        } 
 
      clrscr (); 
 
      fprintf (stdout, "DRIVE %d:\n", loop); 
      fprintf (stdout, "Model Number______________________: %s\n", getascii (dd, 27, 46)); 
      fprintf (stdout, "Serial Number_____________________: %s\n", getascii (dd, 10, 19)); 
      fprintf (stdout, "Controller Revision Number________: %s\n\n", getascii (dd, 23, 26)); 
      fprintf (stdout, "Able to do Double Word Transfer___: %6s\n", (dd [48] == 0 ? "No" : "Yes")); 
      fprintf (stdout, "Controller type___________________:   %04X\n", dd [20]); 
      fprintf (stdout, "Controller buffer size (bytes)____: %6u\n", dd [21] * 512); 
      fprintf (stdout, "Number of ECC bytes transferred___: %6u\n", dd [22]); 
      fprintf (stdout, "Number of sectors per interrupt___: %6u\n\n", dd [47]); 
      fprintf (stdout, "Hard Disk Reports\n"); 
      fprintf (stdout, "Number of Cylinders (Fixed)_______: %6u\n", dd [1]); 
      fprintf (stdout, "Number of Heads___________________: %6u\n", dd [3]); 
      fprintf (stdout, "Number of Sectors per Track_______: %6u\n\n", dd [6]); 
      fprintf (stdout, "BIOS Reports\n"); 
      fprintf (stdout, "Number of Cylinders_______________: %6u\n", bios_cyl [loop]); 
      fprintf (stdout, "Number of Heads___________________: %6u\n", bios_head [loop]); 
      fprintf (stdout, "Number of Sectors per Track_______: %6u\n\n", bios_sec [loop]); 
 
      if (! loop) 
        { 
          fprintf (stdout, "Press a key"); 
          getch (); 
        } 
   } 
} 
 
char *getascii (unsigned int in_data [], int off_start, int off_end) 
{ 
  static char ret_val [255]; 
  int loop, loop1; 
 
  for (loop = off_start, loop1 = 0; loop <= off_end; loop++) 
    { 
      ret_val [loop1++] = (char) (in_data [loop] / 256);  /* Get High byte */ 
      ret_val [loop1++] = (char) (in_data [loop] % 256);  /* Get Low byte */ 
    } 
  ret_val [loop1] = '\0';  /* Make sure it ends in a NULL character */ 
  return (ret_val); 
}