Hi,
Erratic behaviour with the debug tools, especially erasing and writing
flash, is usually due to inadequate power. It is more common with the
flash operations, as they require a higher voltage.
Depending which revision of the FG439 you have, you may need the newer
version of msp430-gdbproxy available at ftp.opencall.org. The current
one is dated July 22nd. However, if you use an older version it should
not give erratic results. It should just say it does not recognise the
device.
Regards,
Steve
Arnd-Hendrik Mathias wrote:
Hi everybody,
has anyone some experience with debugging an FG439. The new
msp430-gdbproxy version supports the FG439 by being sometimes (!!!)
able to identify the target (at least after a couple of resets and/or
pulling off and re-plugging the JTAG-interface). But generally the
most frequent responses I'm dealing with are masses of
- "Could not reset device (11)",
- "Could not read device memory (6)" and
- "Could not preserve/restore device memory (12)"
usually followed by debugger's attempts "Trying to regain control of
the target...". In fact I haven't managed to "monitor erase ..."
anything until now. "monitor reset/dump/vcc" seem to work properly and
so do regular gdb commands (as far as target connection is "stable").
Can anyone tell me what I'm doin' wrong? I have no idea.
Arnd-Hendrik
SysInfo: I'm working with
- a Linux (S.u.S.E. 9.1) PC (Celeron 233MHz) on a
- msp430fg439 (TI's "Retro-Watch") via
- parallel port JTAG interface (Olimex) using
- the new version of msp430-gdbproxy (build: 2004/04/15 but with the
same version "0.7.1" as the old one!),
- msp430-gdb (basis: gdb 5.1.1)
...
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