On Sunday 07 June 2009 01:51:21 Duane Ellis wrote: > Patrick Wieland wrote: > >> (I added some ultra high speed level shifters > > FYI - the XVERVE -signalyzer has this "built in", as does many of the > SEGGER dongles, do check, you can screw up a target board easily enough. > > http://www.signalyzer.com/ > > Warning: the signalyzer *LITE* version - is 3.3/5.0V only! > > > You said I'd have to set jtag clock speed to zero, to enable adaptive > > clocking, ok, but my problem is how to tell OpenOCD what the current > > target speed is. > > You don't need to tell it anything other then "0". > > ARM has a nice diagram, see the OPENOCD "Users manual" - Chapter 23, > FAQ #1 - "*RTCK, also known as: Adaptive Clocking - What is it?" it > explains this in more detail.* > > http://openocd.berlios.de/doc/html/FAQ.html#FAQ > > It has a link to: > > http://www.arm.com/support/faqdev/4170.html > > In the ARM diagram, Look at the TCK synchronizer and the RTCK signal to > the TAP in the block diagram on the ARM site. > > -Duane.
Argh.. sorry for the double posting, seems like I am too stupid to use my mail client ;-) Maybe I don't understand how adaptive clocking works... Thank's for the links. I have to read more about it and then, maybe, I'll come up with new questions. Thank you very much! _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
