UPDATE: i accidently wrote msp430g2274 instead of msp430f2274 in the title of thread.I tried to change title by editing it using full editor but i can't.It gives me some error that thread key is not matched and it signs out.
Hey guys, I first changed boards.txt file under /hardware/msp430 by adding following code
lpmsp430fr5739.name=msp430f2274
lpmsp430fr5739.upload.protocol=rf2500
lpmsp430fr5739.upload.maximum_size=32768
lpmsp430fr5739.build.mcu=msp430f2274
lpmsp430fr5739.build.f_cpu=16000000L
lpmsp430fr5739.build.core=msp430
lpmsp430fr5739.build.variant=msp430f2274
and also added "pin