eoi.c File Reference

Check if an EOI signal has been sent over the IEC bus. More...

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

Go to the source code of this file.

Functions
NTSTATUS	cbmiec_get_eoi (IN PDEVICE_EXTENSION Pdx, OUT PBOOLEAN Result)
	Check if an EOI signal has been sent over the IEC bus. More...
NTSTATUS	cbmiec_clear_eoi (IN PDEVICE_EXTENSION Pdx)
	Reset the EOI state. More...

Detailed Description

Check if an EOI signal has been sent over the IEC bus.

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Author

Spiro Trikaliotis

Authors

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

Definition in file eoi.c.

Function Documentation

NTSTATUS cbmiec_clear_eoi

(

IN PDEVICE_EXTENSION

Pdx

)

Reset the EOI state.

Parameters

Pdx	Pointer to the device extension.

Returns

If the routine succeeds, it returns STATUS_SUCCESS. Otherwise, it returns one of the error status values.

Definition at line 61 of file eoi.c.

References FUNC_ENTER.

Referenced by cbm_execute_devicecontrol().

NTSTATUS cbmiec_get_eoi	(	IN PDEVICE_EXTENSION	Pdx,
		OUT PBOOLEAN	Result
	)

Check if an EOI signal has been sent over the IEC bus.

Parameters

Pdx	Pointer to the device extension.
Result	Pointer to the variable which will hold the return value. After return, it will contain 1 if there was an EOI, 0 otherwise.

Returns

If the routine succeeds, it returns STATUS_SUCCESS. Otherwise, it returns one of the error status values.

Definition at line 40 of file eoi.c.

References FUNC_ENTER.

Referenced by cbm_execute_devicecontrol().