Using mspdebug to flash a firmware in ez430

mspdebug

sudar@sudar-desktop:~/code/watch/openchronos-ng-modular$ mspdebug rf2500
MSPDebug version 0.18 - debugging tool for MSP430 MCUs
Copyright (C) 2009-2011 Daniel Beer <dlbeer@gmail.com>
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Trying to open interface 1 on 002
rf2500: warning: can't detach kernel driver: No data available
Initializing FET...
FET protocol version is 30001000
Configured for Spy-Bi-Wire
Set Vcc: 3000 mV
Device ID: 0x6137
Device: CC430F6137
Code memory starts at 0x8000
Number of breakpoints: 3
fet: FET returned NAK
fet: warning: message 0x30 failed

Available commands:
    =         delbreak  gdb       load      opt       reset     simio     
    alias     dis       help      locka     prog      run       step      
    break     erase     hexout    md        read      set       sym       
    cgraph    exit      isearch   mw        regs      setbreak  

Available options:
    color           gdb_loop        iradix          
    fet_block_size  gdbc_xfer_size  quiet           

Type "help <topic>" for more information.
Press Ctrl+D to quit.

(mspdebug) prog openchronos.
openchronos.c    openchronos.dep  openchronos.elf  openchronos.h    openchronos.o    openchronos.txt  
(mspdebug) prog openchronos.txt 
Erasing...
Programming...
Writing 4096 bytes to 8000...
Writing 4096 bytes to 9000...
Writing  702 bytes to a000...
Writing  128 bytes to ff80...
(mspdebug) 

Thank you so much. Lost the RF transceiver and thought I was out of luck in flashing a firmware.