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/****************************************Copyright (c)**************************************************
** 广州周立功单片机发展有限公司
** 研 究 所
** 产品一部
**
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**
**--------------文件信息--------------------------------------------------------------------------------
**文 件 名: format.c
**创 建 人: 陈明计
**最后修改日期:
**描 述: 文件系统的格式化实用程序
**
**--------------历史版本信息----------------------------------------------------------------------------
** 创建人: 陈明计
** 版 本: v1.0
** 日 期:
** 描 述: 原始版本
**
**--------------当前版本修订------------------------------------------------------------------------------
** 修改人:
** 日 期:
** 描 述:
**
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
#define IN_FORMAT
#include "config.h"
const uint8 Root[512] = {
0xEB,0x3E,0x90, 'Z', 'L', 'G', '1', '.', '0', ' ',
' ',0x00,0x02,0x01,0x01,0x00,0x02,0xE0,0x00,0x40,
0x0B,0xF0,0x09,0x00,0x12,0x00,0x02,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x29,0x64,
0x2A,0xD5,0x18, 'N', 'O', ' ', 'N', 'A', 'M', 'E',
' ', ' ', ' ', ' ', 'F', 'A', 'T', ' ', ' ', ' ',
' ', ' ',0xF1,0x7D,0xFA,0x33,0xC9,0x8E,0xD1,0xBC,
0xFC,0x7B,0x16,0x07,0xBD,0x78,0x00,0xC5,0x76,0x00,
0x1E,0x56,0x16,0x55,0xBF,0x22,0x05,0x89,0x7E,0x00,
0x89,0x4E,0x02,0xB1,0x0B,0xFC,0xF3,0xA4,0x06,0x1F,
0xBD,0x00,0x7C,0xC6,0x45,0xFE,0x0F,0x8B,0x46,0x18,
0x88,0x45,0xF9,0xFB,0x38,0x66,0x24,0x7C,0x04,0xCD,
0x13,0x72,0x3C,0x8A,0x46,0x10,0x98,0xF7,0x66,0x16,
0x03,0x46,0x1C,0x13,0x56,0x1E,0x03,0x46,0x0E,0x13,
0xD1,0x50,0x52,0x89,0x46,0xFC,0x89,0x56,0xFE,0xB8,
0x20,0x00,0x8B,0x76,0x11,0xF7,0xE6,0x8B,0x5E,0x0B,
0x03,0xC3,0x48,0xF7,0xF3,0x01,0x46,0xFC,0x11,0x4E,
0xFE,0x5A,0x58,0xBB,0x00,0x07,0x8B,0xFB,0xB1,0x01,
0xE8,0x94,0x00,0x72,0x47,0x38,0x2D,0x74,0x19,0xB1,
0x0B,0x56,0x8B,0x76,0x3E,0xF3,0xA6,0x5E,0x74,0x4A,
0x4E,0x74,0x0B,0x03,0xF9,0x83,0xC7,0x15,0x3B,0xFB,
0x72,0xE5,0xEB,0xD7,0x2B,0xC9,0xB8,0xD8,0x7D,0x87,
0x46,0x3E,0x3C,0xD8,0x75,0x99,0xBE,0x80,0x7D,0xAC,
0x98,0x03,0xF0,0xAC,0x84,0xC0,0x74,0x17,0x3C,0xFF,
0x74,0x09,0xB4,0x0E,0xBB,0x07,0x00,0xCD,0x10,0xEB,
0xEE,0xBE,0x83,0x7D,0xEB,0xE5,0xBE,0x81,0x7D,0xEB,
0xE0,0x33,0xC0,0xCD,0x16,0x5E,0x1F,0x8F,0x04,0x8F,
0x44,0x02,0xCD,0x19,0xBE,0x82,0x7D,0x8B,0x7D,0x0F,
0x83,0xFF,0x02,0x72,0xC8,0x8B,0xC7,0x48,0x48,0x8A,
0x4E,0x0D,0xF7,0xE1,0x03,0x46,0xFC,0x13,0x56,0xFE,
0xBB,0x00,0x07,0x53,0xB1,0x04,0xE8,0x16,0x00,0x5B,
0x72,0xC8,0x81,0x3F,0x4D,0x5A,0x75,0xA7,0x81,0xBF,
0x00,0x02,0x42,0x4A,0x75,0x9F,0xEA,0x00,0x02,0x70,
0x00,0x50,0x52,0x51,0x91,0x92,0x33,0xD2,0xF7,0x76,
0x18,0x91,0xF7,0x76,0x18,0x42,0x87,0xCA,0xF7,0x76,
0x1A,0x8A,0xF2,0x8A,0x56,0x24,0x8A,0xE8,0xD0,0xCC,
0xD0,0xCC,0x0A,0xCC,0xB8,0x01,0x02,0xCD,0x13,0x59,
0x5A,0x58,0x72,0x09,0x40,0x75,0x01,0x42,0x03,0x5E,
0x0B,0xE2,0xCC,0xC3,0x03,0x18,0x01,0x27,0x0D,0x0A,
0x49,0x6E,0x76,0x61,0x6C,0x69,0x64,0x20,0x73,0x79,
0x73,0x74,0x65,0x6D,0x20,0x64,0x69,0x73,0x6B,0xFF,
0x0D,0x0A,0x44,0x69,0x73,0x6B,0x20,0x49,0x2F,0x4F,
0x20,0x65,0x72,0x72,0x6F,0x72,0xFF,0x0D,0x0A,0x52,
0x65,0x70,0x6C,0x61,0x63,0x65,0x20,0x74,0x68,0x65,
0x20,0x64,0x69,0x73,0x6B,0x2C,0x20,0x61,0x6E,0x64,
0x20,0x74,0x68,0x65,0x6E,0x20,0x70,0x72,0x65,0x73,
0x73,0x20,0x61,0x6E,0x79,0x20,0x6B,0x65,0x79,0x0D,
0x0A,0x00,0x49,0x4F,0x20,0x20,0x20,0x20,0x20,0x20,
0x53,0x59,0x53,0x4D,0x53,0x44,0x4F,0x53,0x20,0x20,
0x20,0x53,0x59,0x53,0x80,0x01,0x00,0x57,0x49,0x4E,
0x42,0x4F,0x4F,0x54,0x20,0x53,0x59,0x53,0x00,0x00,
0x55,0xAA
};
static uint8 Buf[4098];
/*********************************************************************************************************
** 函数名称: Format
** 功能描述: 初始化文件指针系统
**
** 输 入: DriveName:包含驱动器名称的字符串驱动器
** SecPerDisk:逻辑盘包含扇区数
** BytsPerSec:扇区包含字节数目
** 输 出: 无
**
** 输 出: TRUE:成功
** FALSE：失败
**
** 全局变量: Buf
** 调用模块: 无
** 作 者: 陈明计
** 日 期: 2003年6月5日
**-------------------------------------------------------------------------------------------------------
** 修改人:
** 日 期:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
uint8 Format(char *DriveName, uint32 SecPerDisk, uint16 BytsPerSec)
{
const uint8 *cp1;
uint8 *cp2;
unsigned int i, j, temp;
uint32 temp1, k;
Disk_RW_Parameter parameter;
Disk_Info *Disk;
Disk = GetDiskInfo2(GetDrive(DriveName));
if (Disk != NULL)
{
umount(DriveName);
for (i = 0; i < SecPerDisk; i++)
{
parameter.SectorIndex = i + Disk->SecOffset;
parameter.RsvdForLow = Disk->RsvdForLow;
parameter.Buf = Buf;
Disk->DiakCommand(DISK_FREE_SECTOR, ¶meter);
}
cp2 = Buf;
for (i = 0; i < BytsPerSec; i++)
{
*cp2++ = 0;
}
cp1 = Root;
cp2 = Buf;
for (i = 0; i < 512; i++)
{
*cp2++ = *cp1++;
}
/* 每扇区字节数 */
Buf[11] = BytsPerSec & 0xff;
Buf[12] = (BytsPerSec >> 8) & 0xff;
/* 每簇扇区数 */
Buf[13] = 1;
/* 保留扇区数 */
Buf[14] = 1;
Buf[15] = 0;
/* FAT表个数 */
Buf[16] = 1;
Buf[19] = SecPerDisk & 0xff;
Buf[20] = (SecPerDisk >> 8) & 0xff;
if (SecPerDisk >= 0x10000)
{
Buf[19] = 0;
Buf[20] = 0;
Buf[32] = SecPerDisk & 0xff;
Buf[33] = (SecPerDisk >> 8) & 0xff;
Buf[34] = (SecPerDisk >> 16) & 0xff;
Buf[35] = (SecPerDisk >> 17) & 0xff;
}
temp = (4086 * 3 / 2 + BytsPerSec - 1) / BytsPerSec;
i = (0xe0 * 32 + BytsPerSec - 1) / BytsPerSec;
temp1 = SecPerDisk - temp - i;
if (temp1 < 4085) /* FAT12 */
{
temp = ((SecPerDisk - i - 1) * 3 / 2 + BytsPerSec - 1) / BytsPerSec;
/* 根目录FDT项数 */
i = (i * BytsPerSec) / 32;
Buf[17] = i & 0xff;
Buf[18] = (i >> 8) & 0xff;
/* FAT表占用扇区数 */
Buf[22] = temp & 0xff;
Buf[23] = (temp >> 8) & 0xff;
parameter.SectorIndex = 0 + Disk->SecOffset;
parameter.RsvdForLow = Disk->RsvdForLow;
parameter.Buf = Buf;
Disk->DiakCommand(DISK_WRITE_SECTOR, ¶meter);
/* 初始化 FAT和根目录 */
cp2 = Buf + 3;
Buf[0] = 0xf0;
Buf[1] = 0xff;
Buf[2] = 0xff;
for (j = 3; j < BytsPerSec; j++)
{
*cp2++ = 0;
}
for (j = 0; j < temp; j++)
{
parameter.SectorIndex = j + 1 + Disk->SecOffset;
Disk->DiakCommand(DISK_WRITE_SECTOR, ¶meter);
Buf[0] = 0;
Buf[1] = 0;
Buf[2] = 0;
}
i = (i * 32) / BytsPerSec;
temp++;
for (j = 0; j < i; j++)
{
parameter.SectorIndex = j + temp + Disk->SecOffset;
Disk->DiakCommand(DISK_WRITE_SECTOR, ¶meter);
}
}
else
{
temp = (4086 * 2 + BytsPerSec - 1) / BytsPerSec;
i = (512 * 32 + BytsPerSec - 1) / BytsPerSec;
temp1 = SecPerDisk - temp - i;
if (temp1 < 65525) /* FAT16 */
{
temp = ((SecPerDisk - i - 1) * 2 + BytsPerSec - 1) / BytsPerSec;
/* 根目录FDT项数 */
i = (i * BytsPerSec) / 32;
Buf[17] = i & 0xff;
Buf[18] = (i >> 8) & 0xff;
/* FAT表占用扇区数 */
Buf[22] = temp & 0xff;
Buf[23] = (temp >> 8) & 0xff;
parameter.SectorIndex = 0 + Disk->SecOffset;
parameter.RsvdForLow = Disk->RsvdForLow;
parameter.Buf = Buf;
Disk->DiakCommand(DISK_WRITE_SECTOR, ¶meter);
/* 初始化 FAT和根目录 */
cp2 = Buf + 4;
Buf[0] = 0xf0;
Buf[1] = 0xff;
Buf[2] = 0xff;
Buf[3] = 0xff;
for (j = 4; j < BytsPerSec; j++)
{
*cp2++ = 0;
}
for (j = 0; j < temp; j++)
{
parameter.SectorIndex = j + 1 + Disk->SecOffset;
Disk->DiakCommand(DISK_WRITE_SECTOR, ¶meter);
Buf[0] = 0;
Buf[1] = 0;
Buf[2] = 0;
Buf[3] = 0;
}
i = (i * 32) / BytsPerSec;
temp++;
for (j = 0; j < i; j++)
{
parameter.SectorIndex = j + temp + Disk->SecOffset;
Disk->DiakCommand(DISK_WRITE_SECTOR, ¶meter);
}
}
else /* FAT32 */
{
/* 根目录FDT项数 */
Buf[17] = 0;
Buf[18] = 0;
/* FAT表占用扇区数 */
Buf[22] = 0;
Buf[23] = 0;
temp1 = (SecPerDisk * 4 + BytsPerSec - 1) / BytsPerSec;
Buf[36] = temp1 & 0xff;
Buf[37] = (temp1 >> 8) & 0xff;
Buf[38] = (temp1 >> 16) & 0xff;
Buf[39] = (temp1 >> 24) & 0xff;
/* FAT32 RootDirTable为开始簇号 */
Buf[44] = 2;
Buf[45] = 0;
Buf[46] = 0;
Buf[47] = 0;
Buf[40] = 0;
Buf[41] = 0;
Buf[42] = 0;
Buf[43] = 0;
Buf[48] = 1;
Buf[49] = 0;
Buf[50] = 0; /* 6? */
Buf[51] = 0;
Buf[52] = 0;
Buf[53] = 0;
Buf[82] = 'F';
Buf[83] = 'A';
Buf[84] = 'T';
Buf[85] = '3';
Buf[86] = '2';
Buf[87] = ' ';
Buf[88] = ' ';
Buf[89] = ' ';
parameter.SectorIndex = 0 + Disk->SecOffset;
parameter.RsvdForLow = Disk->RsvdForLow;
parameter.Buf = Buf;
Disk->DiakCommand(DISK_WRITE_SECTOR, ¶meter);
/* 初始化 FAT和根目录T */
cp2 = Buf + 8;
Buf[0] = 0xf0;
Buf[1] = 0xff;
Buf[2] = 0xff;
Buf[3] = 0xff;
Buf[4] = 0xff;
Buf[5] = 0xff;
Buf[6] = 0xff;
Buf[7] = 0xff;
for (j = 8; j < BytsPerSec; j++)
{
*cp2++ = 0;
}
temp += 2;
parameter.SectorIndex = 1 + Disk->SecOffset;
Disk->DiakCommand(DISK_WRITE_SECTOR, ¶meter);
Buf[0] = 0;
Buf[1] = 0;
Buf[2] = 0;
Buf[3] = 0;
Buf[4] = 0;
Buf[5] = 0;
Buf[6] = 0;
Buf[7] = 0;
for (k = 1; k < temp1; k++)
{
parameter.SectorIndex = k + 1 + Disk->SecOffset;
Disk->DiakCommand(DISK_WRITE_SECTOR, ¶meter);
}
}
}
mount(DriveName);
return TRUE;
}
return FALSE;
}
/*********************************************************************************************************
** End Of File
********************************************************************************************************/