On Wed, Apr 21, 2010 at 5:47 PM, <manjanna.ma...@wipro.com> wrote:
> Hi All,
>
> As I have to port INTEL broad which include Display driver and
> DirectFB driver. As in the Intel architecture, DirectFB module is top of
> display driver and graphic driver. I have to write HAL for the ATSC
> middleware. Related to this I would like to ask you few query on this,
> would you help me out,
>
>
>
> There are couple of query :
>
> 1. DirectFB API can be used for the implementation of HAL layer :
>
Go through www.directfb.org
Directfb is a complete hardware abstraction layer with software fallbacks
for every graphics operation.
> 2. Can we use DirectFBAPI for the Implementation of HAL Layer and Give
> example for basic implementation of Direct API.
>
yes, link is http//www.directfb.org/docs/DirectFB_Tutorials/
> 3. DirectFB Dirver is depend on the Display driver.. …as my understanding
> that ..Display driver is installed , configure and top of this I would
> able to used DirectFB API.
>
> yes
>
>
>
> Thanks,
>
> Madhukumar.
>
>
>
>
>
>
>
> *From:* directfb-dev-boun...@directfb.org [mailto:
> directfb-dev-boun...@directfb.org] *On Behalf Of *Shivakumar Mishra
> *Sent:* Wednesday, April 21, 2010 3:09 PM
>
> *To:* Ujjal Saha
> *Cc:* Amit Pandya; directfb-dev@directfb.org
> *Subject:* Re: [directfb-dev] DirectFB/core/system: No system found!
>
>
>
> comment out this line
> // DFBCHECK (dfb->SetCooperativeLevel (dfb, DFSCL_FULLSCREEN));
> and check it It should work.
>
> On Wed, Apr 21, 2010 at 2:48 PM, Ujjal Saha <ujjals...@tataelxsi.co.in>
> wrote:
>
> I am running a Test Code from DFBTutorials-0.5.0.
>
> Filename: Simple.c
>
>
>
> Code Snippet follows:
>
>
>
> int main (int argc, char **argv)
>
> {
>
> DFBSurfaceDescription dsc;
>
> DFBCHECK (DirectFBInit (&argc, &argv));
>
> DFBCHECK (DirectFBCreate (&dfb));
>
> DFBCHECK (dfb->SetCooperativeLevel (dfb, DFSCL_FULLSCREEN));
>
> dsc.flags = DSDESC_CAPS;
>
> dsc.caps = DSCAPS_PRIMARY | DSCAPS_FLIPPING;
>
> DFBCHECK (dfb->CreateSurface( dfb, &dsc, &primary ));
>
> DFBCHECK (primary->GetSize (primary, &screen_width, &screen_height));
>
> DFBCHECK (primary->FillRectangle (primary, 0, 0, screen_width,
> screen_height));
>
> DFBCHECK (primary->SetColor (primary, 0x80, 0x80, 0xff, 0xff));
>
> DFBCHECK (primary->DrawLine (primary, 0, screen_height / 2,
>
> screen_width - 1, screen_height / 2));
>
> DFBCHECK (primary->Flip (primary, NULL, 0));
>
> sleep (5);
>
> primary->Release( primary );
>
> dfb->Release( dfb );
>
> return 23;
>
> }
>
> Program is crashing on DFBCHECK (DirectFBCreate (&dfb));
>
>
>
>
>
> Regards,
> Ujjal
>
> ----- Original Message -----
>
> *From:* Shivakumar Mishra <shivajeeku...@gmail.com>
>
> *To:* Ujjal Saha <ujjals...@tataelxsi.co.in>
>
> *Cc:* directfb-dev@directfb.org ; Amit Pandya <amitpan...@tataelxsi.co.in>
>
> *Sent:* Wednesday, April 21, 2010 2:29 PM
>
> *Subject:* Re: [directfb-dev] DirectFB/core/system: No system found!
>
>
>
>
> which application you are running and tell me your surface description flag
> and cooperative level of your application
>
> On Wed, Apr 21, 2010 at 2:23 PM, Ujjal Saha <ujjals...@tataelxsi.co.in>
> wrote:
>
>
>
> I have successfully cross compiled Directfb for TI DaVinci DM365.
>
>
>
> But when I try to run Directfb Tutorial example applications on board .I am
> getting the following errors.......
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~| DirectFB 1.2.0 |~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> (c) 2001-2008 The world wide DirectFB Open Source Community
>
> (c) 2000-2004 Convergence (integrated media) GmbH
>
> ----------------------------------------------------------------
>
> (*) DirectFB/Core: Single Application Core. (2010-04-21 05:54)
>
> (!) DirectFB/core/system: No system found!
>
> simple.c <96>:
>
> (#) DirectFBError [DirectFBCreate (&dfb)]: No (suitable) implementation
> found!
>
>
>
> Hello,
>
>
>
> For cross compilation, I am doing following steps
>
>
>
> 1) configure
>
>
>
> ./configure CC=arm_v5t_le-gcc
> LDFLAGS="-L/opt/mv_pro_5.0/montavista/pro/devkit/arm/v5t_le/target/lib/"
> CFLAGS="-I/opt/mv_pro_5.0/montavista/pro/devkit/arm/v5t_le/include/"
> PKG_CONFIG=/home/Harris/workdir/filesys/usr/lib/pkgconfig/
> --prefix=/home/Harris/workdir/filesys/usr
> --exec-prefix=/home/Harris/workdir/filesys/usr --build=i686 --host=arm-linux
> --enable-x11=no --with-gfxdrivers=davinci --with-inputdrivers=none
> --enable-fbdev=yes --enable-png=no --enable-freetype=no --enable-jpeg=no
>
> where, /home/Harris/workdir/filesys is out target file system.
>
>
>
> 2) make ; make install
>
>
>
> I have also checked putting data on /dev/fb0 [echo "aaaaaaaaaaaaaaaaaaaa"
> >/dev/fb0]
>
> I am able to see the data after wrinting on int. [cat /dev/fb0]
>
>
>
>
>
> Please Help...!!!
>
>
>
>
>
> Thanks,
>
> Ujjal
>
>
>
>
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>
>
>
>
> --
> "The best way to find yourself is to lose yourself in the service of
> others".
>
> Shiva The Great
>
>
>
>
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>
>
>
>
> --
> "The best way to find yourself is to lose yourself in the service of
> others".
>
> Shiva The Great
>
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