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141 lines
3.4 KiB
141 lines
3.4 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\0X11000.C
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*
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* FUNCTION: cqd_SetRam
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*
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* PURPOSE: Set the ram on the 8051 to the indicated value.
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*
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* HISTORY:
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* $Log: J:\se.vcs\driver\q117cd\src\0x11000.c $
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*
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* Rev 1.6 17 Feb 1994 11:54:34 KEVINKES
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* Added an extra parameter to WaitCC.
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*
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* Rev 1.5 10 Feb 1994 14:00:36 SCOTTMAK
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* Wasn't repeating the WRITE_LOW command twice.
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* Added a Sleep to guard against command overlap.
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*
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* Rev 1.4 11 Jan 1994 14:43:36 KEVINKES
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* Changed kdi_wt004ms to INTERVAL_CMD.
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*
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* Rev 1.3 16 Nov 1993 16:01:04 KEVINKES
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* Commented and removed magic numbers.
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*
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* Rev 1.2 08 Nov 1993 13:57:42 KEVINKES
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* Removed bit-field structures, changed enumerated types to defines,
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* changed all defines to uppercase, and changed kdi_wt2ticks to
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* kdi_wt_004ms.
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*
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* Rev 1.1 25 Oct 1993 14:34:04 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 17:20:50 KEVINKES
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* Initial Revision.
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*
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*****************************************************************************/
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#define FCT_ID 0x11000
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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_SetRam
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(
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/* INPUT PARAMETERS: */
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CqdContextPtr cqd_context,
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dUByte ram_data
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/* UPDATE PARAMETERS: */
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/* OUTPUT PARAMETERS: */
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)
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/* COMMENTS: *****************************************************************
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*
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* Set ram commands must be sent twice. The ram data is sent a nibble
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* at a time.
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*
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* DEFINITIONS: *************************************************************/
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{
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/* DATA: ********************************************************************/
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dStatus status; /* Status or error condition.*/
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/* CODE: ********************************************************************/
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if ((status = cqd_SendByte(
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cqd_context,
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FW_CMD_SET_RAM_LOW)) != DONT_PANIC) {
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return status;
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}
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kdi_Sleep(cqd_context->kdi_context, INTERVAL_CMD, dFALSE);
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if ((status = cqd_SendByte(
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cqd_context,
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FW_CMD_SET_RAM_LOW)) != DONT_PANIC) {
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return status;
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}
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kdi_Sleep(cqd_context->kdi_context, INTERVAL_CMD, dFALSE);
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if ((status = cqd_SendByte(
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cqd_context,
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(dUByte)((ram_data & NIBBLE_MASK) + CMD_OFFSET))) != DONT_PANIC) {
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return status;
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}
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kdi_Sleep(cqd_context->kdi_context, INTERVAL_CMD, dFALSE);
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ram_data >>= NIBBLE_SHIFT;
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if ((status = cqd_SendByte(
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cqd_context,
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FW_CMD_SET_RAM_HIGH)) != DONT_PANIC) {
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return status;
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}
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kdi_Sleep(cqd_context->kdi_context, INTERVAL_CMD, dFALSE);
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if ((status = cqd_SendByte(
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cqd_context,
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FW_CMD_SET_RAM_HIGH)) != DONT_PANIC) {
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return status;
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}
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kdi_Sleep(cqd_context->kdi_context, INTERVAL_CMD, dFALSE);
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if ((status = cqd_SendByte(
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cqd_context,
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(dUByte)((ram_data & NIBBLE_MASK) + CMD_OFFSET))) != DONT_PANIC) {
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return status;
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}
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kdi_Sleep(cqd_context->kdi_context, INTERVAL_CMD, dFALSE);
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return status;
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}
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