2011/10/13 Paweł Sikora <pluto@xxxxxxxx>: > On Thursday 13 of October 2011 07:37:26 Hadi Aminzadeh wrote: >> 2011/10/12 Paweł Sikora <pluto@xxxxxxxx>: >> > On Wednesday 12 of October 2011 18:41:42 Hadi Aminzadeh wrote: >> >> On Tue, Oct 11, 2011 at 2:55 PM, Pawel Sikora <pluto@xxxxxxxx> wrote: >> >> > On Tuesday 11 of October 2011 14:35:30 Hadi Aminzadeh wrote: >> >> >> Hi Dear, >> >> >> >> >> >> I have a LPC2478 arm processor and want to use gcc to cross compile my >> >> >> code in x86 for LPC2478 >> >> >> I use arm-linux-gnueabi-gcc to do that but (I think) the output of gcc >> >> >> is an application that can be run in arm ported linux kernel but I >> >> >> need Intel HEX-like format that can be programmed to micro controller >> >> >> (I haven't any OS) >> >> >> I haven't any idea what to do or what keyword I must search. >> >> > >> >> > you basically need a proper linker script for small embedded device. >> >> > please, see an example at http://www.dreamislife.com/arm/ -> lpc2106_gcc.zip >> >> > and search arm groups for similar one tuned for LPC2478... >> >> > >> >> > >> >> >> >> Thanks for your replay >> >> I find a linker script for my device (that tested with my board) and >> >> used gnuarm pre-compiled binary and eclipse to compile my tested >> >> simple LED flasher program. but no success :-( >> >> you can see the output of eclipse. have any idea? >> >> >> >> make all >> >> Building file: ../main.c >> >> Invoking: GCC C Compiler >> >> /home/noBackup/arm/gnuarm-4.0.2/bin/arm-elf-gcc -O3 -g -Wall -c >> >> -fmessage-length=0 -mcpu=arm7tdmi-s -MMD -MP -MF"main.d" -MT"main.d" >> >> -o"main.o" "../main.c" >> >> Finished building: ../main.c >> >> >> >> Building target: lpc2478 >> >> Invoking: GCC C Linker >> >> /home/noBackup/arm/gnuarm-4.0.2/bin/arm-elf-gcc -mcpu=arm7tdmi-s >> >> -nostartfiles -T /home/hadi/workspace/lpc2478/LPC2478.ld -o"lpc2478" >> >> ./main.o >> >> Finished building target: lpc2478 >> >> >> >> make --no-print-directory post-build >> >> /home/noBackup/arm/gnuarm-4.0.2/bin/arm-elf-objcopy --output-target >> >> ihex lpc2478 lpc2478.hex >> >> >> > >> > please show the 'simple LED flasher' source and 'arm-elf-objdump -hw lpc2478'. >> > >> >> I attach all of them. >> Thanks for your time. >> > > > the delay_ms() function was optimized at compile time to plain 'return' > you can see this with -fdump-tree-optimized gcc option. > and finally the hexdump shows .debug* sections in binary - there's no need > to waste eeprom resources with debuginfo. > ok I disable the optimization ( -O0 ) but nothing happend :-( Is it possible to generate an lst file ? I think it can help to find problem. Regards, Aminzadeh
