3.3.4 has a bug when dealing with bitfields in structs. The msp430/telos/eyesIFX ADC components will NOT work properly!!!. Please don't use this version!
Vlado On Friday 29 October 2004 17:20, Remy Blank wrote: > Steve Underwood wrote: > > Don't use 3.3.anything. The mspgcc patches for those versions are not > > maintained any more, because they offer nothing interesting in code size > > or speed. 3.2.3 is the version most people use for mspgcc right now. > > Funny you should mention that. I just compiled gcc-3.3.4, recompiled > msp430-libc (had to remove a few part types that are not supported in > the CVS patch), and I am able to compile the TinyOS application. With a > load of warnings, though. The application still doesn't work on the > target, but it is possible that this is a problem on my end. > > I forgot to mention in my original post that I was using gcc-3.2.3. > > The warnings are attached below, in case anybody has a suggestion as to > what they mean (I don't know what 'strict-aliasing' means). > > -- Remy > > > > ncc -o build/wsnbase/main.exe -Os > -I/home/joe/src/wsn/tinyos/tos/platform/wsnbase > -I/home/joe/src/wsn/tinyos/tos/lib/XE1205Radio -fnesc-target=msp430 > -gcc=msp430-gcc -mmcu=msp430x149 -Wall -Wshadow -DDEF_TOS_AM_GROUP=0x7d > -Wnesc-all -target=wsnbase -fnesc-cfile=build/wsnbase/app.c -board= > -DIDENT_PROGRAM_NAME="SenseBase" > -DIDENT_PROGRAM_NAME_BYTES="83,101,110,115,101,66,97,115,101,0" > -DIDENT_USER_HASH=0L -DIDENT_UNIX_TIME=0x41825d5aL SenseBase.nc -lm > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc:661:2: warning: > #warning "This version of gcc might contain a bug which results in false > accessing of bitfields in structs (MSP430ADC12M.nc will fail). Version > 3.2.3 is known to be safe (3.3.2 is known to contain the bug)." > /opt/tinyos-1.x/tos/platform/msp430/HPLADC12M.nc: In function > `HPLADC12M$HPLADC12$setControl1': > /opt/tinyos-1.x/tos/platform/msp430/HPLADC12M.nc:55: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc: In function > `MSP430ADC12M$MSP430ADC12Advanced$getSingleDataRepeat': > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc:407: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc:414: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc:415: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc: In function > `MSP430TimerM$ControlA0$getControl': > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc:180: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc: In function > `MSP430TimerM$ControlA1$getControl': > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc:181: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc: In function > `MSP430TimerM$ControlA2$getControl': > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc:182: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc: In function > `MSP430TimerM$ControlB0$getControl': > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc:322: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc: In function > `MSP430TimerM$ControlB1$getControl': > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc:323: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc: In function > `MSP430TimerM$ControlB2$getControl': > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc:324: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc: In function > `MSP430TimerM$ControlB3$getControl': > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc:325: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc: In function > `MSP430TimerM$ControlB4$getControl': > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc:326: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc: In function > `MSP430TimerM$ControlB5$getControl': > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc:327: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc: In function > `MSP430TimerM$ControlB6$getControl': > /opt/tinyos-1.x/tos/platform/msp430/MSP430TimerM.nc:328: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc: In function > `MSP430ADC12M$checkQueue': > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc:717: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc:718: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/HPLADC12M.nc: In function > `HPLADC12M$HPLADC12$setControl0_IgnoreRef': > /opt/tinyos-1.x/tos/platform/msp430/HPLADC12M.nc:59: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/HPLADC12M.nc:62: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/HPLADC12M.nc: In function > `HPLADC12M$HPLADC12$setMemControl': > /opt/tinyos-1.x/tos/platform/msp430/HPLADC12M.nc:77: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc: In function > `MSP430ADC12M$internalGetSequenceData': > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc:513: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc:522: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc:523: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc: In function > `MSP430ADC12M$MSP430ADC12Basic$getSingleData': > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc:217: warning: > dereferencing type-punned pointer will break strict-aliasing rules > /opt/tinyos-1.x/tos/platform/msp430/MSP430ADC12M.nc:218: warning: > dereferencing type-punned pointer will break strict-aliasing rules > compiled SenseBase to build/wsnbase/main.exe > 11856 bytes in ROM > 426 bytes in RAM > > > > > ------------------------------------------------------- > This Newsletter Sponsored by: Macrovision > For reliable Linux application installations, use the industry's leading > setup authoring tool, InstallShield X. Learn more and evaluate > today. http://clk.atdmt.com/MSI/go/ins0030000001msi/direct/01/ > _______________________________________________ > Mspgcc-users mailing list > Mspgcc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/mspgcc-users
