7.Function specification-6

7.6 Transfer information acquisition

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Title function specification

Function Obtaining the number of data in the transfer area

Function name STM_GetLenTrBuf

No 6.1

Format

Sint32 STM_GetLenTrBuf(StmHn stm)

input

stm: stream handle

output

none

function value

Number of data (word unit)

function

Get the number of data (number of words) in the transfer area.

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Title function specification

Function Transfer area full check

Function name STM_IsTrBufFull

No 6.2

Format

Bool STM_IsTrBufFull(StmHn stm)

input

stm: stream handle

output

none

function value

TRUE	: When the transfer area size has been reached
FALSE	: If the transfer area size has not been reached

function

Check whether the number of data in the transfer area has reached the area size.

remarks

The transfer area can be reset using STM_ResetTrBuf.

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Title function specification

Function Checks during transfer

Function name STM_IsTrans

No 6.3

Format

Bool STM_IsTrans(StmHn stm)

input

stm: stream handle

output

none

function value

TRUE	:When transferring
FALSE	:If not being transferred

function

Check if transfer is in progress.