Function details-4

8.2.4 CD-ROM device

List

Title Function specifications

Function Setting the connection destination of the CD device

Function Name [SR] CDC_CdSetCon

No 4.1

Form

Sint32 CDC_CdSetCon (Sint32 filtno)

input

filtno: Connection destination aperture number (CDC_NUL_SEL: Indicates disconnection)

output

none

Function value

Returns an error code. End flag ESEL flag

function

Set the connection destination (aperture) of the CD-ROM device. Specifying CDC_NUL_SEL disconnects the connection.

List

Title Function specifications

Function Obtaining the connection destination of the CD device

Function Name [S-] CDC_CdGetCon

No 4.2

Form

Sint32 CDC_CdGetCon (Sint32 * filtno)

input

none

output

filtno: Connection destination aperture number (CDC_NUL_SEL: Indicates not connected)

Function value

Returns an error code.

function

Acquires the connection destination (aperture) of the CD-ROM device. Returns CDC_NUL_SEL if not connected.

List

Title Function specifications

Function Get the buffer partition of the last read sector

Function Name [S-] CDC_CdGetLastBuf

No 4.3

Form

Sint32 CDC_CdGetLastBuf (Sint32 * bufno)

input

none

output

bufno: Storage destination buffer partition number (CDC_NUL_SEL: Indicates not stored)

Function value

Returns an error code.

function

Gets the buffer partition number of the storage destination of the last read sector from the CD-ROM. Returns CDC_NUL_SEL if it was not stored (erased) in the buffer partition.

remarks

By executing in synchronization with the CSCT flag of the interrupt cause register, the stream read from the CD-ROM can be processed sector by sector.