Rockwell Automation 1747-PCINT API Software for 1746 I/O - Manual (Page 87)

OC_GetScannerStatus Library of Routines 6–33
Publication 1747-6.5.3 June 1998
OC_GetScannerStatus OC_GetScannerStatus reads the current status of the scanner.
Syntax:
int OC_GetScannerStatus(HANDLE handle, BYTE *scansts);
Parameters:
Description:
If OC_GetScannerStatus returns SUCCESS , scansts has one of these values:
Return Value:
Considerations:
Supported in the DOS API library and the Windows NT API library
Parameter: Description:
handle Must be a valid handle returned from OC_OpenScanner
scansts Status of the scanner
This value:
Has this
hex value:
Means the:
SCANSTS_BPIC
4
POST backplane IC test failed; scanner is halted
SCANSTS_CRC 2 software CRC checksum failed
SCANSTS_DPR
5
POST dual port RAM test failed; scanner is halted
SCANSTS_FAULT 13 scanner faulted; scanner is in Scan mode
SCANSTS_IDLE
11
scanner initialized; scanner is in Idle mode
SCANSTS_INIT 10 POST passed; waiting for OC_InitScanner from host
SCANSTS_INT 8 POST interrupt test failed; scanner is halted
SCANSTS_POST
1
power-on self test (POST) is in progress
SCANSTS_RAM 3 POST RAM test failed; scanner is halted
SCANSTS_SCAN
20
scanner initialized; scanner in Scan mode
SCANSTS_THERM 6 POST thermometer test failed; scanner is halted
SCANASTS_TIMER
7
POST timer test failed; scanner is halted
SCANSTS_WDOG 12 scanner watchdog timeout; scanner is halted
Name: Value: Description:
SUCCESS 0 scanner status was read successfully
ERR_OCACCESS
2
handle does not have access to scanner
ERR_OCEXTERR 11 scanner extended error message ( scansts is returned)