0000726: Exception in CEDDK when using bootscreen and display initialization is disabled in WinCE.

ID	Project	Category	View Status	Date Submitted	Last Update

0000726	PicoCOM4	Display	public	2011-08-04 08:00	2011-08-04 09:09

Reporter	~~Kiepfer~~	Assigned To
Priority	normal	Severity	minor	Reproducibility	have not tried
Status	resolved	Resolution	fixed
Product Version	V1.1
Target Version	V1.2	Fixed in Version	V1.2

Summary	0000726: Exception in CEDDK when using bootscreen and display initialization is disabled in WinCE.
Description	LCD: GetLCDcontrast: read contrast value: 0x0 LCD: GetLCDcontrast: dwDefaultContrast=0x0, contrast=0x0 LCD: SetContrast: new=0x0 old=0x1 Exception 'Data Abort' (4): Thread-Id=03c10006(pth=8210d998), Proc-Id=00400002(pprc=814a1308) 'NK.EXE', VM-active=00400002(pprc=814a1308) 'NK.EXE' PC=c03f3978(k.ceddk.dll+0x00003978) RA=c097ba7c(s3c2450_disp.dll+0x0003ba7c) SP=d0c1f5d8, BVA=0000001c

Fixed Driver Version
Forum Link
Found Driver Version

~~Kiepfer~~ 2011-08-04 08:05 developer ~0000489	Problem is that FS LCD common library already calls some hw dependend functions (e.g. LCD_Contrast) before this library has been initialized. Hence pointers to PWM and GPIO registers are not initialized correctly.