/***************************************************************************** * * COPYRIGHT 1993 - COLORADO MEMORY SYSTEMS, INC. * ALL RIGHTS RESERVED. * ****************************************************************************** * * FILE: \SE\DRIVER\DEVICE\JUMBO\SRC\0X11003.C * * FUNCTION: cqd_ChangeTrack * * PURPOSE: Position the tape drive head to a new track. * * HISTORY: * $Log: J:\se.vcs\driver\q117cd\src\0x11003.c $ * * Rev 1.4 17 Feb 1994 11:42:56 KEVINKES * Added an extra parameter to WaitCC. * * Rev 1.3 13 Dec 1993 16:00:00 KEVINKES * Cleaned up and commented code. Added call to AtLogicalBot. * * Rev 1.2 08 Nov 1993 14:01:10 KEVINKES * Removed all bit-field structures, removed all enumerated types, changed * all defines to uppercase, and removed all signed data types wherever * possible. * * Rev 1.1 25 Oct 1993 14:34:42 KEVINKES * Changed kdi_wt2ticks to kdi_wt004ms. * * Rev 1.0 18 Oct 1993 17:21:12 KEVINKES * Initial Revision. * *****************************************************************************/ #define FCT_ID 0x11003 #include "include\public\adi_api.h" #include "include\public\frb_api.h" #include "include\private\kdi_pub.h" #include "include\private\cqd_pub.h" #include "q117cd\include\cqd_defs.h" #include "q117cd\include\cqd_strc.h" #include "q117cd\include\cqd_hdr.h" /*endinclude*/ dStatus cqd_ChangeTrack ( /* INPUT PARAMETERS: */ CqdContextPtr cqd_context, dUWord destination_track /* UPDATE PARAMETERS: */ /* OUTPUT PARAMETERS: */ ) /* COMMENTS: *************************************************************** * * Stop the tape. Send the seek track command. Then send the destination * track in n+2 format. Wait for the track change to complete, and then * set the current segment if at the end of track. * * DEFINITIONS: *************************************************************/ { /* DATA: ********************************************************************/ dStatus status; /* dStatus or error condition.*/ /* CODE: ********************************************************************/ if ((status = cqd_StopTape(cqd_context)) != DONT_PANIC) { return status; } if ((status = cqd_SendByte(cqd_context, FW_CMD_SEEK_TRACK)) != DONT_PANIC) { return status; } kdi_Sleep(cqd_context->kdi_context, INTERVAL_CMD, dFALSE); if ((status = cqd_SendByte(cqd_context, (dUByte)(destination_track + CMD_OFFSET))) != DONT_PANIC) { return status; } if ((status = cqd_WaitCommandComplete( cqd_context, INTERVAL_TRK_CHANGE, dFALSE)) != DONT_PANIC) { return status; } cqd_context->operation_status.current_track = destination_track; if (cqd_context->rd_wr_op.bot || cqd_context->rd_wr_op.eot) { if (cqd_AtLogicalBOT(cqd_context)) { cqd_context->operation_status.current_segment = 0; } else { cqd_context->operation_status.current_segment = cqd_context->tape_cfg.seg_tape_track; } } return DONT_PANIC; }