setrelease.c File Reference

Set a specific line on the IEC bus. More...

#include <wdm.h>
#include "cbm_driver.h"
#include "i_iec.h"

Go to the source code of this file.

Defines
#define	SET_RELEASE_LINE(_LineName, _PPName)
Functions
NTSTATUS	cbmiec_iec_setrelease (IN PDEVICE_EXTENSION Pdx, IN USHORT Set, IN USHORT Release)
	Activate and deactive a line on the IEC serial bus.

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Detailed Description

Set a specific line on the IEC bus.

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Author:

Spiro Trikaliotis

Version:

Id

setrelease.c,v 1.8 2006/02/24 12:01:24 trikalio Exp

Authors:

Based on code from Michael Klein <michael(dot)klein(at)puffin(dot)lb(dot)shuttle(dot)de>

Definition in file setrelease.c.

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Define Documentation

#define SET_RELEASE_LINE (  _LineName, _PPName   )

Value: if (Set & IEC_LINE_##_LineName) { set_mask |= PP_##_PPName##_OUT; } \ if (Release & IEC_LINE_##_LineName) { release_mask |= PP_##_PPName##_OUT; }

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Function Documentation

NTSTATUS cbmiec_iec_setrelease (  IN PDEVICE_EXTENSION  Pdx, IN USHORT  Set, IN USHORT  Release )

Activate and deactive a line on the IEC serial bus. This function activates (sets to 0V, L) and deactivates (set to 5V, H) lines on the IEC serial bus. Parameters: Pdx  Pointer to the device extension. Set  The mask of which lines should be set. This has to be a bitwise OR between the constants IEC_DATA, IEC_CLOCK, IEC_ATN, and IEC_RESET Release  The mask of which lines should be released. This has to be a bitwise OR between the constants IEC_DATA, IEC_CLOCK, IEC_ATN, and IEC_RESET Returns: If the routine succeeds, it returns STATUS_SUCCESS. Otherwise, it returns one of the error status values. Remarks: If a bit is specified in the Set as well as in the Release mask, the effect is undefined. Definition at line 52 of file setrelease.c. References CBMIEC_SET_RELEASE, DBG_ASSERT, DBG_PREFIX, FUNC_ENTER, FUNC_PARAM, IEC_LINE_ATN, IEC_LINE_CLOCK, IEC_LINE_DATA, and IEC_LINE_RESET. Referenced by cbm_execute_devicecontrol(), cbmiec_iec_release(), and cbmiec_iec_set().

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