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/** |
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* 円盤複写屋 - EnbanKensa |
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* Copyright (C) 2005 Kagetani Hideto |
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* drive.c - 光ディスク系ドライブアクセス関数群 |
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* $Date: 2005/12/11 15:21:45 $ |
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* $Revision: 1.4 $ |
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*/ |
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|
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#if !defined(WIN32) |
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# include <stdlib.h> |
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# include <string.h> |
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#endif |
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|
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#include "drive.h" |
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#include "cmd.h" |
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|
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int SendCmd(CMDDRIVE *drive, BYTE *cdb, DWORD buflen, BYTE reqflag) |
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{ |
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int ret; |
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|
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if(drive->cmd_type == CMDDRVCTYPE_UNKNOWN){ |
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drive->cmd_type = CMDDRVCTYPE_CHECKING; |
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CheckAtapi(drive); |
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} |
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|
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drive->cmdcode = cdb[0]; |
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ret = SendAspiCmd(&drive->drive, cdb, drive->data_buf, buflen, |
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drive->sense_data, sizeof(drive->sense_data), reqflag); |
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return ret; |
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} |
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|
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int InitializeCmdDrive(CMDDRIVE *drive, int bufsize) |
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{ |
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int ret; |
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|
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FreeCmdDrive(drive); |
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drive->cmd_type = CMDDRVCTYPE_UNKNOWN; |
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|
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if(bufsize>0){ |
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drive->data_buf = (BYTE *)malloc(bufsize); |
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if(drive->data_buf==NULL){ |
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return RET_NG; |
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} |
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drive->bufsize = bufsize; |
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drive->own_alloc = TRUE; |
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} |
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|
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ret = InitializeDrive(&drive->drive); |
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if(ret != RET_OK){ |
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if(drive->own_alloc){ |
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free(drive->data_buf); |
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drive->data_buf=NULL; |
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} |
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return ret; |
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} |
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|
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return RET_OK; |
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} |
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|
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void FreeCmdDrive(CMDDRIVE *drive) |
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{ |
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if(drive->data_buf!=NULL){ |
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if(drive->own_alloc){ |
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free(drive->data_buf); |
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} |
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drive->data_buf=NULL; |
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} |
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|
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FreeDrive(&drive->drive); |
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} |
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|
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void CheckAtapi(CMDDRIVE *drive) |
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{ |
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BYTE cdb[12]; |
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BYTE buf[12]; |
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BYTE *keep; |
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int ret; |
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|
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keep = drive->data_buf; |
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drive->data_buf = buf; |
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|
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memset(cdb, 0, sizeof(cdb)); |
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cdb[0] = CMD_MODE_SENSE10; |
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cdb[2] = 0x2a; |
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cdb[8] = 12; |
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ret = SendCmd(drive, cdb, 12, REQ_DATAIN); |
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if(ret!=RET_OK){ |
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drive->cmd_type = CMDDRVCTYPE_SCSI; |
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} |
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else{ |
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drive->cmd_type = (drive->data_buf[8]==0x2a ? CMDDRVCTYPE_ATAPI:CMDDRVCTYPE_SCSI); |
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} |
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|
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drive->data_buf = keep; |
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} |
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|
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int SetDriveAspiSetting(CMDDRIVE *drive, int *ha, int *tg, DWORD *timeout) |
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{ |
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drive->cmd_type = CMDDRVCTYPE_UNKNOWN; |
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return SetAspiSetting(&drive->drive, ha, tg, timeout); |
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} |
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|
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void SetDriveBuffer(CMDDRIVE *drive, char *data_buf, int bufsize) |
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{ |
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drive->data_buf = data_buf; |
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drive->bufsize = bufsize; |
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} |
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|
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