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18:51:02 <CIA-32> EMC: 03rayh 07TRUNK * 10emc2/docs/src/common/Glossary.lyx: edits and a couple added words
20:34:40 <alex_joni> hmm.. I should try wubi one of these days...
20:42:43 <jepler> of all the things they shouldn't have wasted their time on </mho>
20:45:57 <alex_joni> yeah, but it could make emc2 much more attractive as an alternative to other win-blows systems
21:08:04 <CIA-32> EMC: 03jepler 07TRUNK * 10emc2/docs/src/hal/comp.lyx: make the 'constant' example compile
21:08:29 <CIA-32> EMC: 03jepler 07v2_2_branch * 10emc2/docs/src/hal/comp.lyx: from TRUNK: make the 'constant' example compile
21:08:52 <skunkworks_> jepler: did you get a chance to see if the 8255 was dead?
21:09:21 <jepler> skunkworks_: a chance ? I had plenty of time this weekend when I *could have* tried to do something with it, but I did not.
21:09:28 <skunkworks_> heh :)
21:09:54 <jepler> that and the laundry, the two great undone tasks of the weekend :-P
21:09:58 <jepler> oh, and the dishes on sunday
21:10:03 <jepler> sigh
21:10:06 <jepler> bbl
21:10:56 <skunkworks_> you're just a procrastinator. :)
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23:05:32 <jepler> wallygl: http://www.cnc-workshop.com/ http://www.cnc-workshop.com/map.htm
23:05:46 <jepler> wallygl: it's more effective to ask your questions in the channel then in private message
23:06:05 <jepler> * jepler wanders off again
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23:46:41 <jepler> that guy did not understand how to use irc (he thanked me in private too)
23:48:23 <jepler> data point: with the driver on the 8.04 live cd and a different computer, adding the read function crashes the system
23:48:43 <jepler> data point: after removing two DIP 74hct245 chips (bus transceivers), adding the read function does *not* crash the system
23:48:55 <jepler> this effectively has disconnected the tiger320 chip from the 8255 chips
23:50:04 <jepler> the tiger320 internal configuration registers are now reading again, though I didn't check today before removing the chips (their values are only printed in my build, not in 2.2.5)
23:52:53 <jepler> it appears that one of the '245s is used to level-shift the address and control signals to 5V from the voltage the tiger320 uses, probably 3.3v.
23:53:14 <jepler> the other is used to either gate the data from the tiger320 data bus onto the 8255 data bus or vice versa
23:54:08 <jepler> it seems to me that if the logic of the '245 direction register isn't right, it might be driving one of the buses at the wrong time
23:59:17 <jmkasunich> the 245 doesn't have a direction register, just a dir pin
23:59:27 <jmkasunich> do you know what drives the pin?
23:59:59 <jmkasunich> btw, that certainly could explain the results you've seen - bus contention if the 8255 side is driving the tiger side a the same time as the tiger is trying to drive back