sed1374 ETC-unknow, sed1374 Datasheet - Page 149
sed1374
Manufacturer Part Number
sed1374
Description
Sed1374 Embedded Memory Color Lcd Controller
Manufacturer
ETC-unknow
Datasheet
1.SED1374.pdf
(420 pages)
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Epson Research and Development
Vancouver Design Center
Programming Notes and Examples
Issue Date: 99/04/27
Note
Note
Description:
Parameters:
Return Value: ERR_OK - operation completed with no problems
Description:
Parameters:
Return Value: ERR_OK
int seSplitInit(int DevID, WORD Scrn1Addr, WORD Scrn2Addr)
int seSplitScreen(int DevID, int Screen, int VisibleScanlines)
It is assumed that the system has been properly initialized prior to calling seSplitInit().
seSplitInit() must be called before calling seSplitScreen()
This function prepares the system for split screen operation. In order for split screen
to function the starting address in display buffer for the upper portion(screen 1) and
the lower portion (screen 2) must be specified. Screen 1 is always displayed above
screen 2 on the display regardless of the location of their start addresses.
DevID
Scrn1Addr - offset, in bytes, to the start of screen 1
Scrn2Addr - offset, in bytes, to the start of screen 2
Changes the relevant registers to adjust the split screen according to the number of
visible lines requested. 'WhichScreen' determines which screen, 1 or 2, to base the
changes on.
The smallest surface screen 1 can display is one line. This is due to the way the
SED1374 operates. Setting Screen 1 Vertical Size to zero results in one line of
screen 1 being displayed. The remainder of the display will be screen 2 image.
DevID
Screen
VisibleScanlines- number of lines to display for the selected screen
ERR_HAL_BAD_ARG- argument VisibleScanlines is negative or is greater than
vertical panel size or WhichScreen is not SCREEN1 or SCREEN 2.
- registered device ID
- registered device ID
- must be set to 1 or 2 (or use the constants SCREEN1 or SCREEN2)
- operation completed with no problems
X26A-G-002-02
SED1374
Page 53
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