I changed my cable over to the wiggler2 form. I'm getting this error on
Linux.
Open On-Chip Debugger 0.4.0 (2010-09-10-01:36)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.berlios.de/doc/doxygen/bugs.html
parport port = 0x378
8 kHz
jtag_nsrst_delay: 100
jtag_ntrst_delay: 100
Info : clock speed 500 kHz
Error: JTAG scan chain interrogation failed: all zeroes
Error: Check JTAG interface, timings, target power, etc.
Error: JTAG scan chain interrogation failed: all zeroes
Error: Check JTAG interface, timings, target power, etc.
Command handler execution failed
Warn : jtag initialization failed; try 'jtag init' again.
Error: JTAG scan chain interrogation failed: all zeroes
Error: Check JTAG interface, timings, target power, etc.
error: -100
Command handler execution failed
I downloaded openocd-0.4 for Windows and managed to succesfully download
the firmware. I'm compiling openocd from source since my distro doesn't
provide this version yet. These are the flags:
# ./configure --prefix="/usr" --enable-parport --enable-maintainer-mode
Am I missing something here ?
On 09/06/2010 10:52 PM, Mike Dunn wrote:
On 09/06/2010 09:20 AM, Teratux wrote:
I get the following error:
Open On-Chip Debugger 0.4.0 (2010-08-31-15:56)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.berlios.de/doc/doxygen/bugs.html
parport port = 0x0
1000 kHz
jtag_nsrst_delay: 100
jtag_ntrst_delay: 100
Info : clock speed 500 kHz
Error: JTAG scan chain interrogation failed: all zeroes
One suggestion for a starting point: use a slow clock, e.g.,
adapter_khz 50
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