Hello,
I'm fairly new to the world of MSP430s therefore this might be a simple
case for more experienced users. However I don't know how to explain or
fix the following behaviour.
But first things first. I use a Fedora 15 x86 installation as a host
system. I installed mspgcc from source using the mspgcc-20110716.tar.bz2
tar-ball from SourceForge. As far as I can tell everything worked out
fine. In addition to the mspgcc-toolchain I installed mspdebug from
Fedora repositories.
My goal is to run a simple example on an CC430F6137 MCU. Compilation and
Linking seems to work fine as I can not find any warnings or errors in
the output (see attached file).
However if I try to run my binary on the MCU nothing happens. mspdebug
displays the following output while flashing:
Erasing...
Programming...
Writing 156 bytes to 8000...
Writing 32 bytes to ff80...
I then compiled the same code using IAR and found out that when I flash
the IAR-binary using mspdebug everything works out fine and I can run
the code. In addition I noticed that mspgdebug does not write 32 bytes
in the vector table but only 2 bytes to position 0xfffe.
I then read those last two bytes out of the table and saw that it was
00 at 0xfffe
80 at 0xffff
Now the interesting part: If I flash my mspgcc binary to the MCU, set
the last two bytes manually and reset the MCU, then I can run the mspgcc
binary!
Is this a bug in mspgcc or am I doing something wrong?
Kind Regards,
Valentin
**** Build of configuration Debug for project Scrap_3 ****
make all
Building file: ../src/msp430x6xx_fet_1.c
Invoking: Cross GCC Compiler
msp430-gcc -I/opt/toolchains/msp430/include
-I/opt/toolchains/msp430/msp430/include -O0 -g3 -Wall -c -fmessage-length=0
-mmcu=cc430f6137 -v -MMD -MP -MF"src/msp430x6xx_fet_1.d"
-MT"src/msp430x6xx_fet_1.d" -o"src/msp430x6xx_fet_1.o"
"../src/msp430x6xx_fet_1.c"
Using built-in specs.
Reading specs from
/opt/toolchains/msp430/lib/gcc/msp430/4.5.3/../../../../msp430/lib/msp430mcu.spec
COLLECT_GCC=msp430-gcc
COLLECT_LTO_WRAPPER=/opt/toolchains/msp430/libexec/gcc/msp430/4.5.3/lto-wrapper
Target: msp430
Configured with: ../gcc-4.5.3/configure --target=msp430
--enable-languages=c,c++ --prefix=/opt/toolchains/msp430
Thread model: single
gcc version 4.5.3 (GCC)
COLLECT_GCC_OPTIONS='-I/opt/toolchains/msp430/include'
'-I/opt/toolchains/msp430/msp430/include' '-O0' '-g3' '-Wall' '-c'
'-fmessage-length=0' '-mmcu=cc430f6137' '-v' '-MMD' '-MP'
'-MFsrc/msp430x6xx_fet_1.d' '-MTsrc/msp430x6xx_fet_1.d' '-o'
'src/msp430x6xx_fet_1.o' '-mcpu=430xv2' '-mmpy=32dw' '-mivcnt=64'
/opt/toolchains/msp430/libexec/gcc/msp430/4.5.3/cc1 -quiet -v
-I/opt/toolchains/msp430/include -I/opt/toolchains/msp430/msp430/include
-imultilib mcpu-430x/mmpy-16 -MMD src/msp430x6xx_fet_1.d
-MFsrc/msp430x6xx_fet_1.d -MP -MTsrc/msp430x6xx_fet_1.d -MQ
src/msp430x6xx_fet_1.o -dD -D__CC430F6137__ ../src/msp430x6xx_fet_1.c
-mcpu=430xv2 -mmpy=32dw -mivcnt=64 -quiet -dumpbase msp430x6xx_fet_1.c
-mmcu=cc430f6137 -mcpu=430xv2 -mmpy=32dw -mivcnt=64 -auxbase-strip
src/msp430x6xx_fet_1.o -g3 -O0 -Wall -version -fmessage-length=0 -o
/tmp/ccqSv0lW.s
GNU C (GCC) version 4.5.3 (msp430)
compiled by GNU C version 4.6.0 20110603 (Red Hat 4.6.0-10), GMP
version 4.3.2, MPFR version 3.0.0, MPC version 0.8.3-dev
Finished building: ../src/msp430x6xx_fet_1.c
Building target: Scrap_3
Invoking: Cross GCC Linker
msp430-gcc -L/opt/toolchains/msp430/lib
-L/opt/toolchains/msp430/msp430/lib/ldscripts/cc430f6137
-L/opt/toolchains/msp430/msp430/lib -o"Scrap_3" ./src/msp430x6xx_fet_1.o
GGC heuristics: --param ggc-min-expand=97 --param ggc-min-heapsize=127243
ignoring nonexistent directory
"/opt/toolchains/msp430/lib/gcc/msp430/4.5.3/../../../../msp430/sys-include"
Finished building target: Scrap_3
ignoring duplicate directory "/opt/toolchains/msp430/msp430/include"
as it is a non-system directory that duplicates a system directory
#include "..." search starts here:
#include <...> search starts here:
/opt/toolchains/msp430/include
/opt/toolchains/msp430/lib/gcc/msp430/4.5.3/include
/opt/toolchains/msp430/lib/gcc/msp430/4.5.3/include-fixed
/opt/toolchains/msp430/lib/gcc/msp430/4.5.3/../../../../msp430/include
End of search list.
GNU C (GCC) version 4.5.3 (msp430)
compiled by GNU C version 4.6.0 20110603 (Red Hat 4.6.0-10), GMP
version 4.3.2, MPFR version 3.0.0, MPC version 0.8.3-dev
GGC heuristics: --param ggc-min-expand=97 --param ggc-min-heapsize=127243
Compiler executable checksum: 350bb2154de32d523968c7a528f0c64e
COLLECT_GCC_OPTIONS='-I/opt/toolchains/msp430/include'
'-I/opt/toolchains/msp430/msp430/include' '-O0' '-g3' '-Wall' '-c'
'-fmessage-length=0' '-mmcu=cc430f6137' '-v' '-MMD' '-MP'
'-MFsrc/msp430x6xx_fet_1.d' '-MTsrc/msp430x6xx_fet_1.d' '-o'
'src/msp430x6xx_fet_1.o' '-mcpu=430xv2' '-mmpy=32dw' '-mivcnt=64'
/opt/toolchains/msp430/lib/gcc/msp430/4.5.3/../../../../msp430/bin/as
-mcpu=430xv2 -mmcu=cc430f6137 -o src/msp430x6xx_fet_1.o /tmp/ccqSv0lW.s
COMPILER_PATH=/opt/toolchains/msp430/libexec/gcc/msp430/4.5.3/:/opt/toolchains/msp430/libexec/gcc/msp430/4.5.3/:/opt/toolchains/msp430/libexec/gcc/msp430/:/opt/toolchains/msp430/lib/gcc/msp430/4.5.3/:/opt/toolchains/msp430/lib/gcc/msp430/:/opt/toolchains/msp430/lib/gcc/msp430/4.5.3/../../../../msp430/bin/
LIBRARY_PATH=/opt/toolchains/msp430/lib/gcc/msp430/4.5.3/mcpu-430x/mmpy-16/:/opt/toolchains/msp430/lib/gcc/msp430/4.5.3/../../../../msp430/lib/mcpu-430x/mmpy-16/:/opt/toolchains/msp430/lib/gcc/msp430/4.5.3/:/opt/toolchains/msp430/lib/gcc/msp430/4.5.3/../../../../msp430/lib/
COLLECT_GCC_OPTIONS='-I/opt/toolchains/msp430/include'
'-I/opt/toolchains/msp430/msp430/include' '-O0' '-g3' '-Wall' '-c'
'-fmessage-length=0' '-mmcu=cc430f6137' '-v' '-MMD' '-MP'
'-MFsrc/msp430x6xx_fet_1.d' '-MTsrc/msp430x6xx_fet_1.d' '-o'
'src/msp430x6xx_fet_1.o' '-mcpu=430xv2' '-mmpy=32dw' '-mivcnt=64'
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