Rockwell-automation 1747-PCIS API Software - Open Controller Instrukcja Użytkownika Pobierz pdf (Strona 90)

Publication 1747-UM002A-US-P - June 2000

6-30 Library of Routines

OC_GetStatusFile

OC_GetStatusFile reads a copy of the current scanner system status

file into the STSFILE structure pointed to by stsfil on the scanner.

Syntax:

int OC_GetStatusFile(HANDLE handle, STSFILE

*stsfil);

Parameters:

Description:

The status file is updated by the scanner at the end of each I/O scan.

The

STSFILE structure is defined as:

typedef struct tagSTSFILE

{

WORD wWordNum[OCSTSFILEWSIZE];

} STSFILE;

The status file is organized by words. The status file uses these

classifications to define the data each word contains:

The status file contains:

Parameter: Description:

handle Must be a valid handle returned from OC_OpenScanner

stsfil Points to the

STSFILE structure that contains scanner system

status

Classification: Means the data:

status is used primarily to monitor scanner options or status. This

information is usually not written by the application, except to clear

a function such as a minor error bit.

dynamic configuration can be written by application to select scanner options while in

Scan mode.

Word/Bit: Classification: Description:

0/0 to 0/4 status Scanner mode/status

bit 4 bit 3 bit 2 bit 1 bit 0

10000= (16) download in progress

10001= (17) Idle mode (program)

11110= (30) Scan mode (run)

All other values for bits 0-4 are reserved.

0/5 status Forces enabled bit

This bit is set if forces have been enabled.

0/6 status Forces installed bit

This bit is set is forces have been installed.

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Rockwell-automation 1747-PCIS API Software - Open Controller Instrukcja Użytkownika Strona 90