CardAccessConfigurationRegister

This function reads or writes the function and configuration registers of a PC Card.

Syntax

STATUS CardAccessConfigurationRegister(
CARD_CLIENT_HANDLE hCardClient, CARD_SOCKET_HANDLE
hSocket, UINT8 rw_flag, UINT8 offset, UINT8 *pValue );

Parameters

hCardClient

Specifies a client handle obtained from the CardRegisterClient function. If no other stream interface drivers own the configuration for the specified socket and function, a null value is permitted.

hSocket

Handle to the socket and function pair whose registers are to be accessed.

rw_flag

Specifies the operation to perform, either CARD_FCR_READ or CARD_FCR_WRITE.

offset

Specifies which register to access.

pValue

Pointer to the byte to write or to the location to store a byte when reading.

Return Values

CERR_SUCCESS indicates success. One of the following values indicates failure:

CERR_BAD_SOCKET

Indicates that the identifier specified for the hSocket member of the CARD_EVENT_MASK_PARMS structure is invalid or that there is no PC Card inserted in the socket.

CERR_BAD_HANDLE

Indicates that the driver handle specified for hCardClient is invalid.

CERR_BAD_OFFSET

Indicates that the value specified for offset is invalid.

CERR_IN_USE

Indicates that another stream interface driver owns the configuration for this socket and function.

Driver Name

PCMCIA