
120 VP-790 Protocol - API Functions
2.116 Vertical Position
2.116.1 byOsdMainVerticalSet
API index: 365
Sets the vertical position of the input image.
Input Parameters
Name Type Range Description
Value UWORD32 0 .. Vtotal-VSync-
Vbackporch
Vertical input position
Return Values
Name Type Range Description
Status BYTE 0x00-0xFF 0 if successful, error code otherwise
2.116.2 byOsdMainVerticalGet
API index: 367
Retrieves vertical position from either cache or the SPD.
Input Parameters
Name Type Range Description
Option BYTE 0: From cache
1: From SPD
Retrieval method
Return Values
Name Type Range Description
Status BYTE 0x00-0xFF 0 if successful, error code otherwise
Value UWORD32 0 .. Vtotal-VSync-
Vbackporch
Vertical input position
2.116.3 byOsdMainVerticalSave
API index: 366
Saves the vertical position from cache into the SPD.
Input Parameters
None
Return Values
Name Type Range Description
Status BYTE 0x00-0xFF 0 if successful, error code otherwise
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