Dear TI.
We want to use OMAP-L138 to create some lines and display these lines on the TFT LCD. The painter program is based on QT library.
But recently we found that it took too long (about 10ms) to create these lines. Could you please kindly help me to find the reason?
The code are as belows, it took about 10ms to execute the code which are marked in the code.
The execute results:
Blow are CPU and OS information:
CPU Clock = 456MHz
LINUX VERSION 2.6.33-RC4 (TL@TL-DESKTOP) (GCC VERSION 4.3.3 (SOURCERY G++ LITE 2009Q1-203) ) #32 PREEMPT FRI SEP 13 00:16:13 HKT 2013
libQtCore.so.4.7.0: ELF 32-bit LSB shared object, ARM, version 1 (SYSV), dynamically linked (uses shared libs), stripped
libQtGui.so.4.7.0: ELF 32-bit LSB shared object, ARM, version 1 (SYSV), dynamically linked, stripped
arm-2009q1/bin/arm-none-linux-gnueabi-gcc-4.3.3: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.2.5, stripped