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171 lines
3.8 KiB
171 lines
3.8 KiB
/*****************************************************************************
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*
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* COPYRIGHT 1993 - COLORADO MEMORY SYSTEMS, INC.
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* ALL RIGHTS RESERVED.
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*
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******************************************************************************
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*
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* FILE: \SE\DRIVER\DEVICE\JUMBO\SRC\0X1100B.C
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*
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* FUNCTION: cqd_CmdIssueDiagnostic
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*
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* PURPOSE: Send and receive non-standard data to/from the tape drive.
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*
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* HISTORY:
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* $Log: J:\se.vcs\driver\q117cd\src\0x1100b.c $
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*
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* Rev 1.5 17 Feb 1994 11:38:16 KEVINKES
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* Added an extra parameter to WaitCC.
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*
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* Rev 1.4 21 Jan 1994 18:22:08 KEVINKES
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* Fixed compiler warnings.
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*
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* Rev 1.3 20 Dec 1993 14:48:52 KEVINKES
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* Cleaned up and commented code.
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*
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* Rev 1.2 08 Nov 1993 14:01:52 KEVINKES
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* Removed all bit-field structures, removed all enumerated types, changed
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* all defines to uppercase, and removed all signed data types wherever
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* possible.
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*
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* Rev 1.1 25 Oct 1993 14:35:06 KEVINKES
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* Changed kdi_wt2ticks to kdi_wt004ms.
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*
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* Rev 1.0 18 Oct 1993 17:17:28 KEVINKES
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* Initial Revision.
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*
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*****************************************************************************/
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#define FCT_ID 0x1100b
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#include "include\public\adi_api.h"
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#include "include\public\frb_api.h"
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#include "include\private\kdi_pub.h"
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#include "include\private\cqd_pub.h"
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#include "q117cd\include\cqd_defs.h"
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#include "q117cd\include\cqd_strc.h"
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#include "q117cd\include\cqd_hdr.h"
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/*endinclude*/
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dStatus cqd_CmdIssueDiagnostic
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(
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/* INPUT PARAMETERS: */
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CqdContextPtr cqd_context,
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/* UPDATE PARAMETERS: */
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dUBytePtr command_string
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/* OUTPUT PARAMETERS: */
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)
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/* COMMENTS: *****************************************************************
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*
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* DEFINITIONS: *************************************************************/
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{
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/* DATA: ********************************************************************/
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dStatus status=DONT_PANIC; /* dStatus or error condition.*/
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dUByte command_count;
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dUByte data_count=0;
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dUByte command_completion;
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dUByte send_data;
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dUWord receive_data;
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dUDWord wait_time;
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dUWord receive_length;
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/* CODE: ********************************************************************/
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/* get the number of bytes to send to the drive */
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command_count = *command_string++;
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/* send the bytes to the drive */
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while (command_count) {
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kdi_Sleep(cqd_context->kdi_context, INTERVAL_CMD, dFALSE);
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send_data = *command_string++;
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if ((status = cqd_SendByte(cqd_context, send_data)) != DONT_PANIC) {
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return status;
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}
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--command_count;
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}
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/* Get the type of command completion */
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command_completion = *command_string++;
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switch (command_completion) {
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case DIAG_WAIT_CMD_COMPLETE:
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status = cqd_WaitCommandComplete(cqd_context, kdi_wt1300s, dTRUE);
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break;
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case DIAG_WAIT_INTERVAL:
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wait_time = *(dUDWord *)command_string;
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if (wait_time != kdi_wt0ms) {
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kdi_Sleep(cqd_context->kdi_context, wait_time, dFALSE);
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}
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break;
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case DIAG_NO_PAUSE_RECEIVE:
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cqd_context->no_pause = dTRUE;
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data_count = *command_string++;
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break;
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default:
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data_count = command_completion;
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}
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/* if there is data to be returned, read it and return it */
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if (data_count != 0) {
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kdi_Sleep(cqd_context->kdi_context, INTERVAL_CMD, dFALSE);
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if (data_count == SINGLE_BYTE) {
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receive_length = READ_BYTE;
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} else {
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receive_length = READ_WORD;
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}
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if ((status = cqd_ReceiveByte(cqd_context,
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receive_length,
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&receive_data))
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!= DONT_PANIC) {
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return status;
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}
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if (data_count == SINGLE_BYTE) {
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*command_string = (dSByte)receive_data;
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} else {
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*(dUWord *)command_string = receive_data;
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}
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}
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return status;
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}
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