Thanks for the explanation, My setup is the same as you have. Miguel
2009/8/12 Janos Sallai <[email protected]>: > It looks like a nesC bug. The parentheses are removed by nesC, so gcc > rightfully complains. > > The code in ConfigStorageP.nc (line 164 in function > 'ConfigStorageP__mountCrcDone) is correct: > if ((high[id].version > low[id].version) == isflipped) > > However, in the app.c file (line 8377 in my setup), a pair of parentheses is > removed: > if (__nesc_ntoh_uint32(ConfigStorageP__high[id].version.data) > > __nesc_ntoh_uint32(ConfigStorageP__low[id].version.data) == isflipped) > > You can discard the warning, though. The < has higher precedence than the > ==, so the code should run fine. > > My setup is: > > $ avr-gcc -v > Using built-in specs. > Target: avr > Configured with: ./configure --target=avr --enable-languages=c --disable-nls > --disable-libssp --prefix=/usr > Thread model: single > gcc version 4.1.2 > > $ nescc -v -gcc=avr-gcc > nescc: 1.3.0 > avr-gcc -_fnesc-gcc=avr-gcc -specs=/usr/lib/ncc/tdspecs > -_fnesc-include=nesc_nx -I/usr/lib/ncc -v -DNESC=130 > Using built-in specs. > Reading specs from /usr/lib/ncc/tdspecs > Target: avr > Configured with: ./configure --target=avr --enable-languages=c --disable-nls > --disable-libssp --prefix=/usr > Thread model: single > gcc version 4.1.2 > > Janos > > On Wed, Aug 12, 2009 at 12:51 PM, Miguel Torres <[email protected]> > wrote: >> >> Hello, >> >> I'm using the iris platform and when try to compile some test >> application that involve the ConfigStorageP.nc appear this warning: >> >> [mrtsi...@irisblue Config]$ pwd >> /opt/tinyos-2.x/apps/tests/storage/Config >> [mrtsi...@irisblue Config]$ make iris >> mkdir -p build/iris >> compiling RandRWAppC to a iris binary >> ncc -o build/iris/main.exe -Os -fnesc-separator=__ -Wall -Wshadow >> -Wnesc-all -target=iris -fnesc-cfile=build/iris/app.c -board=micasb >> -DDEFINED_TOS_AM_GROUP=0x22 --param max-inline-insns-single=100000 >> -Ibuild/iris -DIDENT_APPNAME=\"RandRWAppC\" >> -DIDENT_USERNAME=\"mrtsilva\" -DIDENT_HOSTNAME=\"irisblue\" >> -DIDENT_USERHASH=0xb6a8f65bL -DIDENT_TIMESTAMP=0x4a82ffbaL >> -DIDENT_UIDHASH=0xa857273aL -fnesc-dump=wiring >> -fnesc-dump='interfaces(!abstract())' >> -fnesc-dump='referenced(interfacedefs, components)' >> -fnesc-dumpfile=build/iris/wiring-check.xml RandRWAppC.nc -lm >> /opt/tinyos-2.x/tos/chips/at45db/ConfigStorageP.nc: In function >> 'ConfigStorageP__mountCrcDone': >> /opt/tinyos-2.x/tos/chips/at45db/ConfigStorageP.nc:164: warning: >> comparisons like X<=Y<=Z do not have their mathematical meaning >> compiled RandRWAppC to build/iris/main.exe >> 11640 bytes in ROM >> 2153 bytes in RAM >> avr-objcopy --output-target=srec build/iris/main.exe build/iris/main.srec >> avr-objcopy --output-target=ihex build/iris/main.exe build/iris/main.ihex >> writing TOS image >> >> The line 164 of ConfigStorageP have: >> if ((high[id].version > low[id].version) == isflipped) >> >> >> Is this warning critical? Or don't have any problem associated? >> >> Best Regards, >> -- >> Miguel Torres Silva >> _______________________________________________ >> Tinyos-help mailing list >> [email protected] >> https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > > -- Miguel Torres Silva _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
