[Qt-embedded-interest] Issue with running QT on Cirrus Logic board EDB9315A

[Ashish Vats]

Hello,
 
I have tried to port a simple qt application on Cirrus logic board EDB9315A and I Cross compiled linux and qt2.3.10 separately.
 
while compiling qt we have given following options.
./configure -xplatform linux-arm-g++ -depths v -no-thread -I $QTDIR/include -L $QTDIR/lib
and it got compiled successfully.
 
Copied qt library and one sample application (drawlines) to ramdisk, and tried to run application from the board. 
 
Tried following steps:

Step 1:
command:
./drawlines
 
Output on serial console:
QSocket::writeBlock: Socket is not open
QSocket::writeBlock: Socket is not open
QSocket::writeBlock: Socket is not open
QSocket::writeBlock: Socket is not open
No Qt/Embedded server appears to be running.
If you want to run drawlines as a server,
add the "-qws" command-line option.
 
 
Step 2:
Command: 
# ./drawlines -qws
 
Output on serial console:
EP93xx driver cannot connect
 
(Note : EP93xx is our board frame buffer driver)
 
 
Step 3: Set Linux kernel frame buffer as the target
Command: 
# export QWS_DISPLAY=LinuxFb:/dev/fb0
# ./drawlines -qws
 
Output on Serial Console:
Can't drive depth 16
 
 
 
Step 4: Set the vertical and horizontal resolution for display with bit depth 
Command:
# fbset -g 1024 768 1024 768 8
 
Out on LCD screen: 
Out frequency range set resolution lower or see monitor user guide
 
 
 
Step 5: Change resolution to VGA
Command :
fbset -fb /dev/fb0 640x480-60 
Out on LCD screen: Error disappears
 
Step 6: 
Command:
# ./drawlines -qws
Out on LCD screen:(no output on lcd screen)
 
 
Please suggest how to resolve this issue.
 
Regards
Ashish

Larsen & Toubro Limited
Electrical & Electronics Division - EBG
http://www.LNTEBG.com 

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