Rockwell-automation 1747-PCINT API Software for 1746 I/O Manual de usuario Pagina 123
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OC_SetModuleInterrupt Library of Routines 6–69
Publication 1747-6.5.3 June 1998
OC_SetModuleInterrupt OC_SetModuleInterrupt enables, disables, or acknowledges the module interrupt
for the slot slotnum on the scanner.
Syntax:
int OC_SetModuleInterrupt(HANDLE handle, int slotnum, int mode);
Parameters:
Description:
When a module interrupt is received, the scanner generates a module interrupt message that the host
application can read by calling the OC_PollScanner function. After retrieving the module interrupt message,
the host application should immediately acknowledge the module interrupt and then service the module
interrupt message. The module interrupt must be acknowledged before another can be received from that
module.
Return Value:
Considerations:
Supported in the DOS API library and the Windows NT API library
Example:
HANDLE Handle;
int retcode;
retcode = OC_SetModuleInterrupt( Handle, 6, IOINT_ENABLE );
/* Slot 6 module now enabled to generate module interrupts. */
/* Use OC_PollScanner() to check for Module Interrupt messages. */
Parameter: Description:
handle
Must be a valid handle returned from OC_OpenScanner
slotnum
Must be a valid slot number
mode
If mode is:
IOINT_DISABLE the module interrupt is disabled (default)
IOINT_ENABLE the module interrupt is enabled
IOINT_ACK the module interrupt is acknowledged.
Name: Value: Description:
SUCCESS
0
module interrupt was processed successfully
ERR_OCACCESS
2
handle does not have access to scanner
ERR_OCPARAM
8
parameter contains invalid value
ERR_OCRESPONSE
10
scanner did not respond to request
ERR_OCSCANCFG
14
scanner has not been configured
ERR_OCSLOT
12
slot number is invalid
- 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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