CDA CD 60 Spezifikationen PDF herunterladen (Seite 41)

PCI CD and PCI CDa

Document Number: 008-00965-06 EDT Public Revision: I December 2004

Template: edt.dot

Page 41

descriptions in the section entitled “Hardware.”

Return

The value of the register.

edt_reg_write

Note

Use this routine with care; it writes directly to the hardware. An incorrect value can crash

your system, possibly causing loss of data.

Description

Write the specified value to the specified register. Use this routine instead of using ioctls.

Syntax

#include "edtinc.h"

void edt_reg_write(EdtDev *edt_p, uint address, uint value);

Arguments

edt_p

device handle returned from edt_open or edt_open_channel

address

The name of the register to write. Use the names provided in the register

descriptions in the section entitled “Hardware.”

value

The desired value to write in the register.

Return

No return value.

edt_reg_and

Note

Use this routine with care; it writes directly to the hardware. An incorrect value can crash

your system, possibly causing loss of data.

Description

Performs a bitwise logical AND of the value of the specified register and the value provided in the

argument; the result becomes the new value of the register. Use this routine instead of using ioctls.

Syntax

#include "edtinc.h"

uint edt_reg_and(EdtDev *edt_p, uint address, uint mask);

Arguments

edt_p

device handle returned from edt_open or edt_open_channel

address

The name of the register to modify. Use the names provided in the register

descriptions in the section entitled “Hardware.”

mask

The value to AND with the register.

Return

The new value of the register.

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