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Support function to pos_capture_cmd() which is used to test whether the photo has been captured.

Syntax

i32 pos_capture_sts (i32 nAx, i32 phId, real phDest [, i32 rawPh=NULL])

nAx

Axis number (1-:-32)

phId

Value returned by pos_capture_cmd()

phDest

Variable in which the function writes the value of the captured quota

rawPh

Variable in which the function writes the raw value of the quota. (optional, default NULL)

Result

Returns:

Value

Meaning

1

Quota capture performed

0

System ready to capture quota

< 0

Error code

-1

Photo disabled by instruction or override

-2

Operation aborted due to command failure

-3

Override from loop of 0

-4

Error during photo of 0

-5

Internal error

-6

Illegal axis number

-10

ID no longer managed

Validity

Rule, Task

System Requirements

RTE 33.3.4, RC3E 33.1.9

Note

In case of continuous photo, only one report is given for each photo taken

Example of use:

; in the RULE_INIT or in the task before the LOOP.

; enables the capture of the axis quota on In0 on the Ascent one-shot front (it self-disables after the first capture)

idFoto = pos_capture_cmd(asse, 1, 0x1)    ; idPhoto will take a positive number representing the reservation of the photograph

; in the RULE

if(idFoto > 0)

    ; waits for the photo to be taken and returns its value in the variable PhotoQuota

    EsitoFoto = pos_capture_sts(asse, IdFoto, FotoQuota)

    if(EsitoFoto)

        idFoto = pos_capture_cmd(asse, 1, 0x1)    ; rehabilitates axis capture on In0 on the front of Ascent one-shot

 ; processing photograph of quota

    endif

endif

 
  

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