Renesas H8S Manuel D’Utilisation
Direct Drive LCD Design Guide
4.1.7
LCDSetActiveRaster
Set memory frame to display.
Format
uI16 * LCDSetActiveRaster(uI16 frame);
Parameters
frame
Requested frame buffer index.
Return Values
Pointer to first pixel of frame raster.
Properties
Prototyped in file ”DirectLCD.h”
Implemented in file “DirectLCD_SBF.c” for H8S family or “DirectLCD_XBCFT.c” for H8SX family.
Implemented in file “DirectLCD_SBF.c” for H8S family or “DirectLCD_XBCFT.c” for H8SX family.
Description
Request the current vertical refresh rate of the LCD panel.
Note that LCDSetActiveRaster, LCDSetRasterOffset and LCDSetLineSource are similar in function and
interact.
Note that LCDSetActiveRaster, LCDSetRasterOffset and LCDSetLineSource are similar in function and
interact.
Example
uI16 frame_request;
uI16* select_buffer;
……
frame_request = 1; /* Select frame 1 to display */
select_buffer = LCDSetActiveRaster(frame_request); /* switch buffer */
select_buffer = LCDSetActiveRaster(frame_request); /* switch buffer */
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