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CIP API Functions ControlLogix Platform ♦ "C" Programmable
Developer's Manual Linux Application Development Module
Page 156 of 264 ProSoft Technology, Inc.
March 12, 2014
OCXcip_SetWCTime
Syntax
int OCXcip_GetWCTime (OCXHANDLE apihandle,
BYTE *pPathStr,
OCXCIPWCT *pWCT,
WORD timeout);
Parameters
apihandle
handle returned by previous call to OCXcip_Open
pPathStr
path to device being read
pWCT
Pointer to OCXCIPWCT structure to be filled with Wall Clock Time
data to be set
timeout
number of milliseconds to wait for the read to complete
Description
OCXcip_SetWCTime writes to the Wall Clock Time object in the specified device.
This function allows the time to be specified in two different ways; a specified
data/time, or automatically set to the local system time. See the description of
the pWCT parameter for more information.
apihandle must be a valid handle returned from OCXcip_Open.
pPathStr must be a pointer to a string containing the path to a device which
supports the Wall Clock Time object, such as a ControlLogix controller. See
Appendix A for information on specifying paths.
pWCT is a pointer to a structure of type OCXCIPWCT, which on success will be filled
with the data read from the device. As a special case, pWCT may also be NULL.
If pWCT is NULL, the system time is set with the local time returned from the WCT
object. This is a convenient way to synchronize the system time with the
controller time (Note: The user account must have appropriate privileges to set
the system time.)
timeout is used to specify the amount of time in milliseconds the application
should wait for a response from the device.
The following example defines the OCXCIPWCT structure:
typedef struct tagOCXCIPWCT
{
ULARGE_INTEGER CurrentValue;
WORD TimeZone;
ULARGE_INTEGER CSTOffset;
WORD LocalTimeAdj;
SYSTEMTIME SystemTime;
} OCXCIPWCT;
CurrentValue is ignored by this function.
TimeZone is obsolete and is no longer used. It is retained in the structure for
backwards compatibility only and should not be used.
- MVI56E-LDM 1
- Your Feedback Please 2
- Warnings - MVI56E-LDM 2
- Contents 5
- 1 LDM Introduction 10
- In This Chapter 12
- 2.1 System Requirements 12
- 2.2 Package Contents - LDM 13
- 2.4.1 Setup Jumper - MVI56E 14
- telnetd file 20
- 2.8 Module Rescue 27
- 3 Development Environment 29
- 3.2 Using Eclipse 33
- 3.2.1 Building a Project 33
- python createimage.py 36
- 4.1 API Library - MVI56E 39
- 4.1.1 Header File 39
- 4.1.2 Sample Code 39
- 4.3 CIP API Functions 42
- 4.4 Backplane Device Driver 42
- 4.5 Sample Code 44
- 4.10 Sample Tutorials 51
- 4.11 Ethernet Sample 52
- 4.12 Serial Sample 55
- 4.13 Led_Sample 56
- 4.14 Backplane_Sample 57
- 4.15 Tag_Sample 59
- 4.16 Sample Applications 61
- 5 CIP API Functions 76
- OCXcip_Open 79
- OCXcip_OpenNB 80
- OCXcip_Close 83
- 5.2 Object Registration 85
- OCXcip_RegisterAssemblyObj 85
- OCXcip_UnregisterAssemblyObj 88
- OCXcip_RegisterFatalFaultRtn 90
- OCXcip_RegisterResetReqRtn 92
- 5.4 CIP Callback Functions 94
- 5.5 Connected Data Transfer 105
- OCXcip_WriteConnected 105
- OCXcip_ReadConnected 107
- OCXcip_ImmediateOutput 109
- OCXcip_WaitForRxData 111
- 5.6 Tag Access Functions 116
- OCXcip_AccessTagData 116
- OCXcip_CreateTagDbHandle 120
- OCXcip_DeleteTagDbHandle 121
- OCXcip_SetTagDbOptions 122
- OCXcip_BuildTagDb 125
- OCXcip_TestTagDbVer 127
- OCXcip_GetSymbolInfo 129
- OCXcip_GetStructInfo 132
- OCXcip_GetStructMbrInfo 135
- OCXcip_GetTagDbTagInfo 138
- OCXcip_AccessTagDataDb 141
- 5.7 Messaging 144
- OCXcip_GetDeviceIdObject 145
- OCXcip_GetDeviceICPObject 148
- OCXcip_GetDeviceIdStatus 151
- OCXcip_GetExDeviceObject 155
- OCXcip_GetWCTime 158
- OCXcip_SetWCTime 162
- OCXcip_GetWCTimeUTC 165
- OCXcip_SetWCTimeUTC 169
- 5.8 Miscellaneous Functions 172
- OCXcip_GetIdObject 173
- OCXcip_SetIdObject 175
- OCXcip_GetActiveNodeTable 177
- OCXcip_MsgResponse 179
- OCXcip_GetVersionInfo 182
- OCXcip_GetUserLED 184
- OCXcip_SetUserLED 186
- OCXcip_GetModuleStatus 188
- OCXcip_SetModuleStatus 190
- OCXcip_GetLED3 192
- OCXcip_SetLED3 194
- OCXcip_ErrorString 196
- OCXcip_SetDisplay 198
- OCXcip_GetDisplay 200
- OCXcip_GetSwitchPosition 202
- OCXcip_GetSerialConfig 204
- OCXcip_Sleep 207
- OCXcip_CalculateCRC 209
- OCXcip_SetModuleStatusWord 211
- OCXcip_GetModuleStatusWord 213
- 6 Cable Connections 215
- 6.3 RS-422 218
- 6.4.1 RS-485 and RS-422 Tip 219
- 7.2.1 Returning Any Product 221
- 7.3 LIMITED WARRANTY 223
- 7.3.8 No Other Warranties 229
- 7.3.9 Allocation of Risks 229
- 7.4 Open Source Licensing 230
- 7.5 GNU Public License 231
- 7.6 Eclipse Public License 245
- 7.7 Python Public License 251
- 7.8 GCC Public License 257
- 8 Glossary of Terms 260
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