Rockwell-automation 2711P Software Development Kit User Manual Manuale Utente Scaricare il pdf (Pagina 40)

Publication 2711P-UM005A-EN-P - March 2007

40 PanelView Plus CE-Specific Extensions to the WinCE API

If the value of dwTimeout is within the range 50 to 5000, it is taken to

represent the time in milliseconds that elapse before a timeout and

consequential actions occur. The timer is reset to this value and

started, but if the value of dwTimeout is out of range, the timeout

setting is left unmodified, the watchdog is not tagged and

WATCHDOG_TIMEOUT_FAILED is returned.

The resolution of the high priority thread that watches over the

software tags is 50 milliseconds.

Portability:

The RAC6182 does not have a Software Watchdog.

Requirements:

Runs On Version Defined In

PanelView Plus CE All wdapi.h

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 103 104

Software 1
Development Kit 1
Important User Information 2
Table of Contents 3
4 Table of Contents 4
Chapter 5 5
Device Drivers 5
Appendix A 5
Messages 5
6 Table of Contents 6
Using this Manual 7
Intended Audience 7
Purpose of this Manual 7
Manual Conventions 7
Additional Resources 8
Terminal 9
Memory Devices 10
Boot ROM 11
Input/Output 12
Serial Port 13
Real-time Clock 13
ATMEL Microcontroller 14
Software Architecture 15
Boot and Startup Sequence 16
The Windows CE Registry 17
Registry Flushing 18
File Systems 19
Input Devices 20
Keypad Driver 21
Keypad Handler 23
Display Module EEPROM 24
Run Time Environment 25
Process Priorities 27
Developing CE Applications 29
Installing the Application 30
Remote Installations 30
Application Upgrades 30
Persistency Considerations 31
Set up the Development 31
PanelView Plus CE SDK 33
Visual Basic .NET 34
WinCE API 35
Hardware Watchdog 36
Software Watchdog 37
Return Values: 39
Remarks: 39
Portability: 40
Requirements: 40
Watchdog_SW_Tag 41
System Parameters 42
Parameters: 45
System Timers 47
Configure Timer Functions 48
UserTimerGetNumberOfTimers 48
UserTimerClaim 49
UserTimerRequestFrequency 50
UserTimerGetWaitEvent 52
Run Timer Functions 53
UserTimerSet 53
UserTimerSetEx 54
UserTimerGetValue 56
UserTimerStop 57
Hardware Monitor 58
Hardware Monitor Functions 59
Keypad Overview 69
System Event Log 73
Log New Event 74
Clear Event Log 75
Get Last Event 76
Get First Event 77
Get Next Event 78
Recommended PanelView 80
Plus CE Mechanisms 80
Lock Pages 81
UnLock Pages 82
SetSystemMemoryDivision 82
84 Device Drivers 84
Sample Code 85
Exception Debug Messages 98
C++ Name Mangling 98
Error Codes 99
100 Messages 100
2 Index 102
Rockwell Automation 104

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