nobo...@web.de wrote:
Hi,
i´ve got another problem: I have to read out the flash but most of
the tries produce "Can't open interface". With some diveces it is
nearly impossible to read some bytes, especially when i try to read
out complete:
python ./jtag.py --upload=0 --size=65536 > out.txt
flash starts at 0x1000...
I found out it depends a little on the mainboard and on the version
of the interface board (1.3 is a little better than 1.4). What can i
do to get rid of "Can't open interface"? Do i need special parallel
port options or do i have to modify the board?
i suspect that it is a timing issue. some pulses in our jtag sources
seem to be too fast in some circumstances.
another point is that the separate jtag module does no clock adjustment
when programming flash, but uses the default clock of the DCO. i think
that should be accurate enough, but one never knows... (the gdbproxy
does a DCO adjustment each time)
And where can i find msp430-jtag?
windows: installer with a py2exe converted jtag.py
at some point i should probably make a new download or get it added to
the main installer..
linux/unix:
ln -s /somewhere/jtag.py /usr/local/bin/msp430-jtag
chmod a+x /usr/local/bin/msp430-jtag
It was hard to find jtag.py. I
could only find it a debian download site.
it is in the mspgcc.sf.net CVS repository...
chris
Regards
Rolf F.
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