Please enable JavaScript to view this site.

This function partially updates the local variable data (provided by GV_LINK or GV_CREATE) associated via the interface, reading from the GV.

Syntax

i32 gv_read_partial (i32 gvID, u32 offset, u32 dataLen)

gvID

ID of the global variable (obtained from gv_link or gv_create)

offset

Offset in bytes in the variable (from 1 to the size of GV-1)

dataLen

Length of the data to be updated (from 1 to the size of GV)

Result

Returns:

Value

Meaning

0

Operation successfully completed

-1

Manager not enabled

-2

invalidgvID (nonexistent interface)

-3

GV is locked

Validity

Rule, Task

Note

 

 

  

Keyboard Navigation

F7 for caret browsing
Hold ALT and press letter

This Info: ALT+q
Page Header: ALT+h
Topic Header: ALT+t
Topic Body: ALT+b
Contents: ALT+c
Search: ALT+s
Exit Menu/Up: ESC