Rockwell-automation 1747-PCINT API Software for 1746 I/O Manual de usuario Pagina 87
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Valorado. / 5. Basado en revisión del cliente
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)
- API Software for 1
- 1746 I/O PCI 1
- Interface 1
- Allen-Bradley 1
- Important User 2
- Information 2
- Using This Manual 3
- Preface–2 Using This Manual 4
- Table of Contents 5
- Configuring I/O 6
- Chapter 5 6
- Error Codes Appendix A 7
- Overview 9
- The 1746 I/O PCI 10
- Interface API 10
- Understanding 11
- Architecture 11
- 1–4 Overview 12
- Installing the 13
- Windows NT API 14
- Installation Details 15
- 1–8 Overview 16
- Using the API 17
- DOS Considerations 18
- 2–4 Using the API 20
- 2–6 Using the API 22
- Developing Applications 27
- Programming 28
- Sequence 28
- Initialize the scanner 29
- Configure the scanner 29
- 3–4 Developing Applications 30
- Scan I/O 31
- Example for DOS 32
- Developing Applications 3–7 33
- 3–8 Developing Applications 34
- Developing Applications 3–9 35
- 3–10 Developing Applications 36
- Developing Applications 3–11 37
- Example for 38
- Windows NT 38
- Developing Applications 3–13 39
- 3–14 Developing Applications 40
- Developing Applications 3–15 41
- 3–16 Developing Applications 42
- Developing Applications 3–17 43
- 3–18 Developing Applications 44
- Developing Applications 3–19 45
- 3–20 Developing Applications 46
- Using the API Structures 47
- Configuring I/O Modules 49
- 5–2 Configuring I/O Modules 50
- Using M0-M1 Files 51
- Supported I/O 52
- 5–6 Configuring I/O Modules 54
- Library of Routines 55
- OCIOCFG structure 61
- Return Value: 101
- Considerations: 101
- Example: 101
- MsgFilter 104
- MsgFilter is: 104
- WORD len); 111
- of the module in the slot 113
- and len are ignored 113
- Description: 115
- (*callback)() ); 129
- This example is for DOS only 130
- Parameters: 142
- Appendix 147
- Extended Error 148
- B–2 Testing Function Calls 152
- Publication Problem Report 153
- BUSINESS REPLY MAIL 154
- Worldwide representation 155
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