sed1355 ETC-unknow, sed1355 Datasheet - Page 211

• Manufacturer Part Number: sed1355
• Description: Sed1355 Embedded Ramdac Lcd/crt Controller
• Manufacturer: ETC-unknow

Epson Research and Development
Vancouver Design Center
11.5.3 Register / Memory Access
Programming Notes and Examples
Issue Date: 99/04/27
Note
int seVirtMove(int DevID, int WhichScreen, DWORD x, DWORD y)
Description:
Parameter:
Return Value: ERR_OK
The Register/Memory Access functions provide access to the SED1355 registers and display buffer
through the HAL.
int seSetReg(int DevID, int Index, BYTE Value)
Description:
Parameters:
Return Value: ERR_OK
int seSetWordReg(int DevID, int Index, WORD Value)
Description:
Parameters:
Return Value: ERR_OK
seVirtInit() must be called before calling seVirtMove().
This routine pans and scrolls the display. In the case where split screen operation is
being used the WhichScreen argument specifies which screen to move. The x and y
parameters specify, in pixels, the starting location in the virtual image for the top left
corner of the applicable display.
DevID
WhichScreen- must be set to 1 or 2, or use the constants SCREEN1 or SCREEN2,
x
y
ERR_HAL_BAD_ARG- there are several reasons for this return value:
Writes Value to the register specified by Index.
DevID
Index
Value
Writes WORD sized Value to the register specified by Index.
DevID
Index
Value
- registered device ID
to identify which screen to base calculations on
- new starting X position in pixels
- new starting Y position in pixels
- operation completed with no problems
1) WhichScreen is not SCREEN1 or SCREEN2.
2) the y argument is greater than the last available line.
- registered device ID
- register index to set
- value to write to the register
- operation completed with no problems
- registered device ID
- register index to set
- value to write to the register
- operation completed with no problems
X23A-G-003-05
SED1355
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