Function details-3

8.2.3 Subcode

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Title function specification

Function Get subcode Q

Function Name［S-］ CDC_TgetScdQch

No 3.1

Format

Sint32 CDC_TgetScdQch(Uint16 *qcode)

input

none

output

qcode: Subcode Q information (5 words)...See data specifications ( Subcode )

function value

Returns an error code.

function

Gets subcode Q channel information (10 bytes other than CRC).

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Title function specification

Function Obtaining subcodes R to W

Function Name［S-］ CDC_TgetScdRwch

No 3.2

Format

Sint32 CDC_TgetScdRwch(Uint16 *rwcode, Sint32 *scdflag)

input

none

output

rwcode	: Subcode R to W information (12 words)...See data specifications ( Subcode )
scdflag	:Subcode flag (lower 8 bits are valid)

function value

Returns an error code.

function

Obtains subcode R to W channel information (24 bytes for 1 pack).

(1) Subcode flag

Indicates the error status of the retrieved subcode R~W information (packed data).

bit  7  6  5  4  3  2  1  0
    [-][-][-][-][-][-][ ][ ]
                       |  |
                       |  +---- CDC_SCD_PACK   1: Pack data error occurred
                       +------- CDC_SCD_OVER   1: Overrun error

remarks

Pack data must not be retrieved more than 16 packs during one frame time (13.3ms).
Returns WAIT if the pack buffer is empty and there is no packed data.