i_rawread.c File Reference

Read some bytes from the IEC bus, internal version. More...

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

Go to the source code of this file.

Functions
NTSTATUS	cbmiec_i_raw_read (IN PDEVICE_EXTENSION Pdx, OUT UCHAR *Buffer, ULONG Count, OUT ULONG *Received)
	Read some bytes from the IEC bus. More...

Detailed Description

Read some bytes from the IEC bus, internal version.

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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 i_rawread.c.

Function Documentation

NTSTATUS cbmiec_i_raw_read	(	IN PDEVICE_EXTENSION	Pdx,
		OUT UCHAR *	Buffer,
		ULONG	Count,
		OUT ULONG *	Received
	)

Read some bytes from the IEC bus.

Parameters

Pdx	Pointer to the device extension.
Buffer	Pointer to a buffer where the read bytes are written to.
Count	Maximum number of characters to read from the bus.
Received	Pointer to the variable which will hold the read bytes.

Returns

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

Definition at line 45 of file i_rawread.c.

References CABLESTATE_ERROR_OCCURRED, CABLESTATE_SUCCESSFULLY_USED, cbmiec_block_irq(), cbmiec_checkcable(), CBMIEC_GET, CBMIEC_RELEASE, cbmiec_release_irq(), cbmiec_schedule_timeout(), CBMIEC_SET, cbmiec_setcablestate(), cbmiec_udelay(), DBG_ASSERT, DBG_ERROR, DBG_PREFIX, DBG_SUCCESS, FUNC_ENTER, libiec_global_timeouts, PERF_EVENT_READ_BIT_NO, PERF_EVENT_READ_BYTE, PERF_EVENT_READ_BYTE_NO, PP_CLK_IN, PP_DATA_IN, PP_DATA_OUT, QueueShouldCancelCurrentIrp(), IEC_TIMEOUTS::T_1_RECV_WAIT_CLK_LOW_DATA_READY_GRANU, IEC_TIMEOUTS::T_2_RECV_WAIT_CLK_HIGH_T_NE, IEC_TIMEOUTS::T_2_Times, IEC_TIMEOUTS::T_3_RECV_EOI_RECOGNIZED, IEC_TIMEOUTS::T_4_RECV_WAIT_CLK_HIGH_AFTER_EOI_GRANU, IEC_TIMEOUTS::T_4_Times, IEC_TIMEOUTS::T_5_RECV_BIT_WAIT_CLK_HIGH, IEC_TIMEOUTS::T_5_Times, IEC_TIMEOUTS::T_6_RECV_BIT_WAIT_CLK_LOW, IEC_TIMEOUTS::T_6_Times, and IEC_TIMEOUTS::T_7_RECV_INTER_BYTE_DELAY.

Referenced by cbmiec_raw_read().